Trimmer Capacitors

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We offer radial leaded, through hole, and SMD trimmer capacitor types.

What is a trimmer capacitor?

Trimmer capacitors are variable capacitors which serve the purpose of initial calibration of equipment during manufacturing or servicing. They are not intended for end-user interaction. Trimmer capacitors are almost always mounted directly on the PCB (Printed Circuit Board), so the user does not have access to them, and set during manufacturing using a small screwdriver. Due to their nature, trimmer capacitors are cheaper than full sized variable capacitors and rated for many fewer adjustments.

Trimmer capacitors are used to initially set oscillator frequency values, latencies, rise and fall times and other variables in a circuit. Should the values drift over time, these trimmer capacitors allow repairmen to re-calibrate equipment when needed. There are two types of trimmer capacitors: air trimmer capacitor and ceramic trimmer capacitor.

Examples of our trimmer capacitors

We offer film dielectric trimmers for impedance matching circuits. These allow for easy adjustment of resistance values through physical manipulation Applications include medical, consumer electronics, and industrial.

Another example is a radial leaded film dielectric trimmer capacitor with top and bottom adjustment. The Vishay BFC2 809 080 series assists energy conversion while providing low losses, high efficiency and long life. Plastic film trimmers reduce microphony effects and are suited for impedance matching RF circuits.

They consist of a polysulphone housing, brass rotor and plated brass stator with PTFE film as the dielectric. The stator plate tags are heat sealed to the housing. The rotor contact surfaces are plated to ensure a long life and a stable contact even under severe climatic conditions. A coloured dot indicates the maximum capacitance. Flux absorption between the vanes is prevented.

Applications include communications & networking, medical, and RF communications

Padder capacitors

A padder is a trimmer capacitor inserted in series with the oscillator tuning circuit of a superheterodyne receiver to control calibration at the low frequency end of a tuning range.

 
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BFC280905217
BFC280905217 - Trimmer Capacitor, 2 pF to 18 pF, 300 V, Radial Leaded

1215714

Trimmer Capacitor, 2 pF to 18 pF, 300 V, Radial Leaded

VISHAY

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2pF 18pF 300V - Screwdriver Slot - - 7.4mm 6.7mm 9mm Multicomp Pro RJ45 Adapter -40°C 125°C
LXRW19V330-050
LXRW19V330-050 - VARIABLE CAPACITOR, 16.5-33PF, SMD

3052316

VARIABLE CAPACITOR, 16.5-33PF, SMD

MURATA

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16.5pF 33pF - Surface Mount - SMD - 1.3mm 0.9mm 0.6mm LXRW -30°C 85°C
LXRW19V330-050
LXRW19V330-050 - VARIABLE CAPACITOR, 16.5-33PF, SMD

3052316RL

VARIABLE CAPACITOR, 16.5-33PF, SMD

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16.5pF 33pF - Surface Mount - SMD - 1.3mm 0.9mm 0.6mm LXRW -30°C 85°C
LXRW0YV600-054
LXRW0YV600-054 - VARIABLE CAPACITOR, 30-60PF, SMD

3052318

VARIABLE CAPACITOR, 30-60PF, SMD

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3052318RL in Re-reel

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30pF 60pF - - - - - 0.6mm 0.3mm 0.6mm - -30°C 85°C
LXRW19V201-058
LXRW19V201-058 - VARIABLE CAPACITOR, 100-200PF, SMD

3052322

VARIABLE CAPACITOR, 100-200PF, SMD

MURATA

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100pF 200pF 5.3V - - - - 0.9mm 0.4mm 1.3mm - -40°C 85°C
LXRW19V600-055
LXRW19V600-055 - VARIABLE CAPACITOR, 30-60PF, SMD

3052319

VARIABLE CAPACITOR, 30-60PF, SMD

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Suggested replacement for:3052319
3052319RL in Re-reel

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30pF 60pF - Surface Mount - SMD - 1.3mm 0.9mm 0.6mm LXRW -30°C 85°C
LXRW0YV600-054
LXRW0YV600-054 - VARIABLE CAPACITOR, 30-60PF, SMD

3052318RL

VARIABLE CAPACITOR, 30-60PF, SMD

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30pF 60pF - - - - - 0.6mm 0.3mm 0.6mm - -30°C 85°C
LXRW19V201-058
LXRW19V201-058 - VARIABLE CAPACITOR, 100-200PF, SMD

3052322RL

VARIABLE CAPACITOR, 100-200PF, SMD

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100pF 200pF 5.3V - - - - 0.9mm 0.4mm 1.3mm - -40°C 85°C
LXRW19V600-055
LXRW19V600-055 - VARIABLE CAPACITOR, 30-60PF, SMD

3052319RL

VARIABLE CAPACITOR, 30-60PF, SMD

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30pF 60pF - Surface Mount - SMD - 1.3mm 0.9mm 0.6mm LXRW -30°C 85°C
5641
5641 - CAPACITOR TRIMMER 1PF-30PF, 250V, SMD

1094713

CAPACITOR TRIMMER 1PF-30PF, 250V, SMD

JOHANSON MANUFACTURING

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1pF 30pF 250V Through Hole - Radial Leaded 7.49mm 23.36mm - - TUK SGACK902S Keystone Coupler -65°C 125°C
LXRW0YV330-056
LXRW0YV330-056 - VARIABLE CAPACITOR, 16.5-33PF, SMD

3052320

VARIABLE CAPACITOR, 16.5-33PF, SMD

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16.5pF 33pF - - - - - 0.6mm 0.6mm 0.3mm - -30°C 85°C
LXRW0YV330-056
LXRW0YV330-056 - VARIABLE CAPACITOR, 16.5-33PF, SMD

3052320RL

VARIABLE CAPACITOR, 16.5-33PF, SMD

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16.5pF 33pF - - - - - 0.6mm 0.6mm 0.3mm - -30°C 85°C
BFC280832659
BFC280832659 - Trimmer Capacitor, 5.5 pF to 65 pF, 150 V, Radial Leaded

1215712

Trimmer Capacitor, 5.5 pF to 65 pF, 150 V, Radial Leaded

VISHAY

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5.5pF 65pF 150V Through Hole Screwdriver Slot Radial Leaded - - - 11mm BFC2 808 -40°C 70°C
BFC280811229
BFC280811229 - Trimmer Capacitor, 2 pF to 22 pF, 150 V, Radial Leaded

1215709

Trimmer Capacitor, 2 pF to 22 pF, 150 V, Radial Leaded

VISHAY

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2pF 22pF 150V Through Hole Screwdriver Slot Radial Leaded 10mm - - 10mm Multicomp Pro RJ45 Adapter -40°C 70°C
LXRW0YV201-059
LXRW0YV201-059 - Variable Capacitor, 100 pF to 200 pF, 50 VAC, SMD

3524034

Variable Capacitor, 100 pF to 200 pF, 50 VAC, SMD

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100pF 200pF - Surface Mount Variable SMD - 0.6mm 0.6mm 0.3mm LXRW -25°C 85°C
BFC280908003
BFC280908003 - Trimmer Capacitor, 5 pF to 57 pF, 300 V, Radial Leaded

1215716

Trimmer Capacitor, 5 pF to 57 pF, 300 V, Radial Leaded

VISHAY

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5pF 57pF 250V Through Hole Screwdriver Slot Radial Leaded - 10.9mm 10.5mm 11mm BFC2 809 080 -40°C 125°C
BFC280908003
BFC280908003 - CAP, 5-57PF, 250V, TRIMMER, RADIAL

2925035

CAP, 5-57PF, 250V, TRIMMER, RADIAL

VISHAY

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5pF 57pF 250V Through Hole Screwdriver Slot Radial Leaded - 10.9mm 10.5mm 11mm BFC2 809 080 Series -40°C 125°C
BFC280905215
BFC280905215 - Trimmer Capacitor, 1 pF to 3.5 pF, 300 V, Radial Leaded

1215713

Trimmer Capacitor, 1 pF to 3.5 pF, 300 V, Radial Leaded

VISHAY

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1pF 3.5pF 300V - Screwdriver Slot - - 7.4mm 6.7mm 9mm - -40°C 125°C
LXRW0YV201-059
LXRW0YV201-059 - Variable Capacitor, 100 pF to 200 pF, 50 VAC, SMD

3524034RL

Variable Capacitor, 100 pF to 200 pF, 50 VAC, SMD

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100pF 200pF - Surface Mount Variable SMD - 0.6mm 0.6mm 0.3mm LXRW -25°C 85°C
BFC280823508
BFC280823508 - Trimmer Capacitor, 1.5 pF to 5 pF, 150 VDC, Through Hole

4143684

Trimmer Capacitor, 1.5 pF to 5 pF, 150 VDC, Through Hole

VISHAY

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1.5pF 5pF 150V - Screwdriver Slot - - 7.3mm 5.5mm 7mm - -40°C 70°C
BFC280800016
BFC280800016 - Trimmer Capacitor, 2 pF to 18 pF, 250 VDC, Through Hole

4143678

Trimmer Capacitor, 2 pF to 18 pF, 250 VDC, Through Hole

VISHAY

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2pF 18pF 250V - Screwdriver Slot - 8mm - - 10mm - -40°C 85°C
BFC280823109
BFC280823109 - Trimmer Capacitor, 3 pF to 10 pF, 150 VDC, Through Hole

4143682

Trimmer Capacitor, 3 pF to 10 pF, 150 VDC, Through Hole

VISHAY

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3pF 10pF 150V - Screwdriver Slot - - 7.3mm 5.5mm 7mm - -40°C 70°C
BFC280811339
BFC280811339 - Trimmer Capacitor, 3 pF to 33 pF, 250 VDC, Through Hole

4143679

Trimmer Capacitor, 3 pF to 33 pF, 250 VDC, Through Hole

VISHAY

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3pF 33pF 250V - Screwdriver Slot - 8mm - - 10mm - -40°C 70°C
BFC280800006
BFC280800006 - Trimmer Capacitor, 2.5 pF to 2.5 pF, 250 VDC, Through Hole

4143677

Trimmer Capacitor, 2.5 pF to 2.5 pF, 250 VDC, Through Hole

VISHAY

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2.5pF 22pF 250V - Screwdriver Slot - 8mm - - 10mm - -40°C 70°C
BFC280820209
BFC280820209 - Trimmer Capacitor, 4 pF to 20 pF, 150 VDC, Through Hole

4143680

Trimmer Capacitor, 4 pF to 20 pF, 150 VDC, Through Hole

VISHAY

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4pF 20pF 150V - Screwdriver Slot - - 7.3mm 5.5mm 8.8mm - -40°C 70°C