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                      1. Home
                      2. Circuit Protection

                      Circuit Protection:

                      33,860 Products Found
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                      Packaging
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                      Circuit Protection

                      (33,860)

                    • Circuit Breakers (2,842)
                    • ESD Protection Devices (3,265)
                    • Fuses & Fuse Accessories (9,068)
                    • Gas Discharge Tubes - GDT (675)
                    • Line Conditioners (14)
                    • Line Reactors (163)
                    • Surge Protectors (364)
                    • TVS - Transient Voltage Suppressors (14,205)
                    • Thermistors (3,264)
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                      ComparePrice ForQuantity
                      AF2-2.50V125TM
                      AEM AF2-2.50V125TM
                      3701378

                      Data Sheet

                      RoHS

                      AEM
                      1. Fuse
                      2. Surface Mount
                      3. 2.5 A
                      4. Fast Acting
                      5. 125 VAC
                      6. 125 VDC
                      7. 2410 [6125 Metric]
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      Packaging Options
                      5+
                      HK$2.880
                      Min: 5 / Mult: 5
                      AirMatrix AF2 Series
                      MCVZ1206M380AGT
                      MULTICOMP PRO MCVZ1206M380AGT
                      2449682

                      Data Sheet

                      RoHS

                      MULTICOMP PRO
                      1. TVS Varistor
                      2. 30 V
                      3. 38 V
                      4. MCVZ1206
                      5. 77 V
                      6. 1206 [3216 Metric]
                      7. Multilayer Varistor (MLV)
                      Each (Supplied on Full Reel)
                      Full Reel
                      Packaging Options
                      3000+
                      HK$0.819
                      15000+
                      HK$0.744
                      Min: 3000 / Mult: 3000
                      MCVZ1206
                      AF2-2.50V125TM
                      AEM AF2-2.50V125TM
                      3701378RL

                      Data Sheet

                      RoHS

                      AEM
                      1. Fuse
                      2. Surface Mount
                      3. 2.5 A
                      4. Fast Acting
                      5. 125 VAC
                      6. 125 VDC
                      7. 2410 [6125 Metric]
                      Each (Supplied on Cut Tape)
                      Re-Reel
                      Packaging Options
                      5+
                      HK$2.880
                      Min: 100 / Mult: 5
                      AirMatrix AF2 Series
                      SMDJ20CA
                      LITTELFUSE SMDJ20CA
                      3930092

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. TVS Diode
                      2. SMDJ Series
                      3. Bidirectional
                      4. 20 V
                      5. 41.86 V
                      6. DO-214AB (SMC)
                      7. 2 Pins
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      Packaging Options
                      1+
                      HK$4.440
                      10+
                      HK$3.830
                      Min: 1 / Mult: 1
                      SMDJ Series
                      RF2946-000
                      LITTELFUSE RF2946-000
                      3930101

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. ESD Protection Device
                      2. 9.2 V
                      3. 0402 [1005 Metric]
                      4. 3 Pins
                      5. 7 V
                      6. SPA SESD Series
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      Packaging Options
                      1+
                      HK$3.750
                      10+
                      HK$2.690
                      100+
                      HK$2.060
                      Min: 1 / Mult: 1
                      SPA SESD Series
                      SMDJ20CA
                      LITTELFUSE SMDJ20CA
                      3930092RL

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. TVS Diode
                      2. SMDJ Series
                      3. Bidirectional
                      4. 20 V
                      5. 41.86 V
                      6. DO-214AB (SMC)
                      7. 2 Pins
                      Each (Supplied on Cut Tape)
                      Re-Reel
                      Packaging Options
                      10+
                      HK$3.830
                      Min: 100 / Mult: 1
                      SMDJ Series
                      RF2946-000
                      LITTELFUSE RF2946-000
                      3930101RL

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. ESD Protection Device
                      2. 9.2 V
                      3. 0402 [1005 Metric]
                      4. 3 Pins
                      5. 7 V
                      6. SPA SESD Series
                      Each (Supplied on Cut Tape)
                      Re-Reel
                      Packaging Options
                      100+
                      HK$2.060
                      Min: 100 / Mult: 1
                      SPA SESD Series
                      MF-RHS500-0
                      BOURNS MF-RHS500-0
                      4313406

                      Data Sheet

                      RoHS

                      BOURNS
                      1. Resettable Fuse
                      2. PPTC
                      3. MF-RHS Series
                      4. 16 V
                      5. 5 A
                      6. 10 A
                      7. 5.8 s
                      8. Rectangular
                      Each
                      1+
                      HK$3.130
                      50+
                      HK$2.510
                      Min: 1 / Mult: 1
                      -
                      0217.500MXP
                      LITTELFUSE 0217.500MXP
                      1354567

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. Fuse
                      2. Cartridge
                      3. Fast Acting
                      4. 500 mA
                      5. 250 V
                      6. 5mm x 20mm
                      7. 0.2" x 0.79"
                      8. 217
                      Each
                      10+
                      HK$2.410
                      50+
                      HK$2.130
                      100+
                      HK$1.950
                      500+
                      HK$1.660
                      Min: 10 / Mult: 10
                      217
                      SLVU2.8-4.TBT
                      SEMTECH SLVU2.8-4.TBT
                      1456390

                      Data Sheet

                      RoHS

                      SEMTECH
                      1. ESD Protection Device
                      2. TVS
                      3. 15 V
                      4. SOIC
                      5. 8 Pins
                      6. 2.8 V
                      7. 400 W
                      8. SLVU2
                      Each
                      1+
                      HK$33.300
                      10+
                      HK$23.350
                      100+
                      HK$18.250
                      500+
                      HK$13.300
                      Min: 1 / Mult: 1
                      SLVU2
                      SL32 10015
                      AMETHERM SL32 10015
                      1653459

                      Data Sheet

                      RoHS

                      AMETHERM
                      1. Thermistor
                      2. ICL NTC
                      3. 10 ohm
                      4. -20% to +20%
                      5. Radial Leaded
                      6. SL32 Series
                      Each
                      1+
                      HK$20.800
                      10+
                      HK$19.210
                      100+
                      HK$14.680
                      500+
                      HK$12.080
                      1000+
                      HK$11.250
                      More Pricing...
                      Min: 1 / Mult: 1
                      SL32
                      70-065-63 10A
                      SIBA 70-065-63 10A
                      1175122

                      Data Sheet

                      RoHS

                      SIBA
                      1. Fuse
                      2. Cartridge
                      3. Fast Acting
                      4. 10 A
                      5. 500 V
                      6. 6.3mm x 32mm
                      7. 1/4" x 1-1/4"
                      Each
                      10+
                      HK$7.300
                      50+
                      HK$6.430
                      100+
                      HK$5.870
                      250+
                      HK$5.460
                      Min: 10 / Mult: 10
                      -
                      SRV05-4.TCT
                      SEMTECH SRV05-4.TCT
                      1456415

                      Data Sheet

                      RoHS

                      SEMTECH
                      1. ESD Protection Device
                      2. TVS
                      3. 17.5 V
                      4. SOT-23
                      5. 6 Pins
                      6. 5 V
                      7. 300 W
                      8. RailClamp SR Series
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      Packaging Options
                      1+
                      HK$7.470
                      10+
                      HK$5.900
                      100+
                      HK$5.050
                      500+
                      HK$4.920
                      1000+
                      HK$4.790
                      More Pricing...
                      Min: 1 / Mult: 1
                      RailClamp SR Series
                      0031.8201
                      SCHURTER 0031.8201
                      1162740

                      Data Sheet

                      RoHS

                      SCHURTER
                      1. Fuseholder
                      2. Open Design
                      3. 500V
                      4. 10A
                      5. 5 x 20mm
                      6. Through Hole
                      7. Black
                      Each
                      10+
                      HK$6.830
                      50+
                      HK$5.810
                      100+
                      HK$5.710
                      250+
                      HK$5.150
                      Min: 10 / Mult: 10
                      OGN
                      MST 2.5A 250V
                      MULTICOMP PRO MST 2.5A 250V
                      1566104

                      Data Sheet

                      RoHS

                      MULTICOMP PRO
                      1. Fuse
                      2. PCB Leaded
                      3. PV
                      4. EV
                      5. New Energy
                      6. 2.5 A
                      7. 250 VAC
                      8. MST
                      9. Slow Blow
                      10. Radial Leaded
                      Each
                      10+
                      HK$2.050
                      50+
                      HK$1.650
                      100+
                      HK$1.500
                      250+
                      HK$1.350
                      500+
                      HK$1.100
                      Min: 10 / Mult: 10
                      MST
                      0215010.TXP
                      LITTELFUSE 0215010.TXP
                      1354617

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. Fuse
                      2. Cartridge
                      3. Time Delay
                      4. 10 A
                      5. 250 V
                      6. 5mm x 20mm
                      7. 0.2" x 0.79"
                      8. 215
                      Each
                      10+
                      HK$11.200
                      50+
                      HK$9.300
                      100+
                      HK$8.550
                      500+
                      HK$7.060
                      Min: 10 / Mult: 10
                      215
                      MCCQ-121
                      MULTICOMP PRO MCCQ-121
                      1586596

                      Data Sheet

                      RoHS

                      MULTICOMP PRO
                      1. Fuseholder
                      2. PCB Mount
                      3. Automotive
                      4. 250V
                      5. 15A
                      6. ATO
                      7. Solder
                      8. Through Hole
                      Each
                      1+
                      HK$6.870
                      15+
                      HK$4.980
                      100+
                      HK$3.970
                      500+
                      HK$3.530
                      Min: 1 / Mult: 1
                      -
                      S505-2-R
                      EATON BUSSMANN S505-2-R
                      1123118

                      Data Sheet

                      RoHS

                      EATON BUSSMANN
                      1. Fuse
                      2. Cartridge
                      3. Time Delay
                      4. 2 A
                      5. 250 V
                      6. 5mm x 20mm
                      7. 0.2" x 0.79"
                      8. S505
                      Each
                      10+
                      HK$2.890
                      2500+
                      HK$2.820
                      12500+
                      HK$2.320
                      Min: 10 / Mult: 10
                      S505
                      60-033-05/20A
                      SIBA 60-033-05/20A
                      607782

                      Data Sheet

                      SIBA
                      1. Fuse
                      2. Semiconductor
                      3. URZ Series
                      4. 20 A
                      5. Very Fast Acting
                      6. 10mm x 38mm
                      7. 13/32" x 1-1/2"
                      Each
                      1+
                      HK$98.500
                      5+
                      HK$92.410
                      10+
                      HK$84.640
                      20+
                      HK$82.090
                      50+
                      HK$79.390
                      Min: 1 / Mult: 1
                      URZ Series
                      SP0503BAHTG
                      LITTELFUSE SP0503BAHTG
                      1827633

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. ESD Protection Device
                      2. TVS
                      3. 8.5 V
                      4. SOT-143
                      5. 4 Pins
                      6. 5.5 V
                      7. SPA SP05 Series
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      Packaging Options
                      1+
                      HK$5.190
                      10+
                      HK$4.360
                      100+
                      HK$3.490
                      500+
                      HK$3.080
                      1000+
                      HK$2.830
                      More Pricing...
                      Min: 1 / Mult: 1
                      SPA SP05 Series
                      ESD9L5.0ST5G
                      ONSEMI ESD9L5.0ST5G
                      1651639

                      Data Sheet

                      RoHS

                      ONSEMI
                      1. ESD Protection Device
                      2. 9.8 V
                      3. SOD-923
                      4. 2 Pins
                      5. 5 V
                      6. 150 mW
                      7. ESD9L
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      Packaging Options
                      5+
                      HK$1.850
                      10+
                      HK$1.280
                      100+
                      HK$0.563
                      500+
                      HK$0.487
                      8000+
                      HK$0.378
                      More Pricing...
                      Min: 5 / Mult: 5
                      ESD9L
                      0218.500MXP
                      LITTELFUSE 0218.500MXP
                      1271689

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. Fuse
                      2. Cartridge
                      3. Time Delay
                      4. 500 mA
                      5. 250 V
                      6. 5mm x 20mm
                      7. 0.2" x 0.79"
                      8. 218
                      Each
                      10+
                      HK$7.360
                      50+
                      HK$5.390
                      100+
                      HK$4.850
                      500+
                      HK$3.830
                      1000+
                      HK$3.640
                      More Pricing...
                      Min: 10 / Mult: 10
                      218
                      RXEF010
                      LITTELFUSE RXEF010
                      1175857

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. Resettable Fuse
                      2. PPTC
                      3. PolySwitch RXEF
                      4. 60 VDC
                      5. 100 mA
                      6. 200 mA
                      7. 4 s
                      8. Round
                      Each
                      1+
                      HK$2.880
                      10+
                      HK$1.950
                      50+
                      HK$1.860
                      100+
                      HK$1.760
                      200+
                      HK$1.670
                      More Pricing...
                      Min: 1 / Mult: 1
                      PolySwitch RXEF
                      MINISMDC110F/24-2
                      LITTELFUSE MINISMDC110F/24-2
                      1345925

                      Data Sheet

                      RoHS

                      LITTELFUSE
                      1. Resettable Fuse
                      2. PPTC
                      3. 1812 (4532 Metric)
                      4. PolySwitch miniSMDC Series
                      5. 24 VDC
                      6. 1.1 A
                      7. 2.2 A
                      Each (Supplied on Cut Tape)
                      Cut Tape
                      1+
                      HK$4.200
                      50+
                      HK$3.200
                      100+
                      HK$2.950
                      250+
                      HK$2.400
                      500+
                      HK$2.350
                      More Pricing...
                      Min: 1 / Mult: 1
                      PolySwitch miniSMDC Series
                      B72210S0271K101
                      EPCOS B72210S0271K101
                      1004390

                      Data Sheet

                      RoHS

                      EPCOS
                      1. TVS Varistor
                      2. MOV
                      3. 275 V
                      4. 350 V
                      5. B722 Series
                      6. 710 V
                      7. Radial Leaded
                      8. Metal Oxide Varistor (MOV)
                      Each
                      1+
                      HK$4.710
                      10+
                      HK$2.400
                      50+
                      HK$2.190
                      100+
                      HK$1.980
                      200+
                      HK$1.770
                      More Pricing...
                      Min: 1 / Mult: 1
                      B722 Series
                      ComparePrice ForQuantity
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                      An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.
                      e絡盟 is a trading name of eluomeng Limited.
                      Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.