51kohm Chip SMD Resistors:

364 Products Found
We offer a wide range of Metal Film, Metal Foil, and Thick Film chip SMD resistors, with resistance values from 0.003Ω to 50GΩ and power ratings from 30mW to 50W.

How do I choose a chip SMD resistor?

Chip SMD resistors are commonly used for pull-up/pull-down operations to ensure a signal is at valid logic level when external devices are removed, voltage divisions, current limiting, and filtering signals at certain frequencies in high-pass/low-pass/band-pass filters. You can use 0Ω resistors as jumpers to disable a sub-section of a circuit. There are three kinds of Chip SMD Resistors:

  1. Thin Film or Metal Film resistors are used in high precision applications like audio, medical, or test equipment. They have lower variation (0.1%-2%), a lower temperature coefficient (5 ppm/K), and are less noisy compared to thick film resistors. However, they are more expensive.
  2. Thick Film resistors are the most common type of resistor, and are used for most applications. They have higher variation (1%-5%), a higher temperature coefficient (50 ppm/K), and are noisier than thin film resistors. If there are no specific performance requirements, thick film resistors are usually the preferred choice.
  3. There are also Metal Foil resistors which provide high rated power and excellent load life stability along with extremely low Temperature Coefficient of Resistance (TCR).

SMD resistor sizes

The shape and size of chip SMD resistors are standardized, with most manufacturers using the JEDEC standards. The size of chip SMD resistors is indicated by a numerical code, such as 0603. This code contains the length and width of the package. So, the imperial code 0603 indicates a length of 0.060" and a width of 0.030".

Although SMD package codes can be given in either imperial or metric units, the imperial code is used more often to indicate the package size. Confusingly, even when the imperial naming convention is used, the metric dimensions are often used during the design of the printed circuit boards (PCBs). In general, you can assume the code is in imperial units, but the dimensions used are in mm. The SMD resistor size used depends primarily on the required power rating, the minimum feature size of the PCB manufacturing, and the limitations of the pick-and-place equipment.

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1469822

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10+
HK$0.261
100+
HK$0.135
500+
HK$0.127
1000+
HK$0.110
2500+
HK$0.108
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Min: 10 / Mult: 10
51kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
75V
1.55mm
0.85mm
-55°C
155°C
AEC-Q200
2447393

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10+
HK$0.049
100+
HK$0.047
500+
HK$0.044
1000+
HK$0.036
2500+
HK$0.030
Min: 10 / Mult: 10
51kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
-
± 100ppm/°C
75V
1.6mm
0.85mm
-55°C
155°C
-
1458806

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10+
HK$0.058
100+
HK$0.050
500+
HK$0.042
2500+
HK$0.033
5000+
HK$0.032
Min: 10 / Mult: 10
51kohm
± 1%
62.5mW
0402 [1005 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
50V
1mm
0.5mm
-55°C
155°C
-
1458806RL

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HK$0.042
2500+
HK$0.033
5000+
HK$0.032
Min: 500 / Mult: 10
51kohm
± 1%
62.5mW
0402 [1005 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
50V
1mm
0.5mm
-55°C
155°C
-
1469822RL

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500+
HK$0.127
1000+
HK$0.110
2500+
HK$0.108
5000+
HK$0.106
Min: 500 / Mult: 10
51kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
75V
1.55mm
0.85mm
-55°C
155°C
AEC-Q200
2447393RL

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500+
HK$0.044
1000+
HK$0.036
2500+
HK$0.030
Min: 500 / Mult: 10
51kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
-
± 100ppm/°C
75V
1.6mm
0.85mm
-55°C
155°C
-
4151042

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10000+
HK$0.006
Min: 10000 / Mult: 10000
51kohm
± 5%
63mW
0402 [1005 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
50V
1mm
0.5mm
-55°C
155°C
-
2802509

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HK$1.250
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HK$0.665
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HK$0.630
2000+
HK$0.510
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Min: 10 / Mult: 10
51kohm
± 1%
333.3mW
1210 [3225 Metric]
Thick Film
High Voltage
KTR Series
± 100ppm/°C
600V
3.2mm
2.5mm
-55°C
155°C
AEC-Q200
2824653

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4000+
HK$0.750
20000+
HK$0.645
Min: 4000 / Mult: 4000
51kohm
± 5%
1W
2512 [6432 Metric]
Thick Film
High Voltage
-
± 100ppm/°C
3kV
6.35mm
3.1mm
-55°C
155°C
-
2802509RL

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4000+
HK$0.385
20000+
HK$0.378
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Min: 500 / Mult: 10
51kohm
± 1%
333.3mW
1210 [3225 Metric]
Thick Film
High Voltage
KTR Series
± 100ppm/°C
600V
3.2mm
2.5mm
-55°C
155°C
AEC-Q200
3230674RL

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100+
HK$4.510
500+
HK$3.670
Min: 100 / Mult: 10
51kohm
± 1%
4W
2817 [7143 Metric]
Thick Film
High Power
3540 Series
± 100ppm/°C
250V
7.1mm
4.2mm
-55°C
155°C
-
3380949RL

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HK$179.740
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HK$178.130
40+
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HK$174.910
500+
HK$173.300
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Min: 10 / Mult: 1
51kohm
± 0.02%
500mW
2010 [5025 Metric]
Metal Foil
Precision
FRSM Series
± 0.2ppm/°C
187V
5.03mm
2.46mm
-
-
AEC-Q200
3380949

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HK$184.860
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HK$182.300
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HK$179.740
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HK$178.130
40+
HK$176.520
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Min: 1 / Mult: 1
51kohm
± 0.02%
500mW
2010 [5025 Metric]
Metal Foil
Precision
FRSM Series
± 0.2ppm/°C
187V
5.03mm
2.46mm
-
-
AEC-Q200
3230674

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HK$5.070
100+
HK$4.510
500+
HK$3.670
Min: 10 / Mult: 10
51kohm
± 1%
4W
2817 [7143 Metric]
Thick Film
High Power
3540 Series
± 100ppm/°C
250V
7.1mm
4.2mm
-55°C
155°C
-
3828965RL

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100+
HK$11.690
300+
HK$9.090
Min: 100 / Mult: 1
51kohm
± 5%
7W
SMD
Metal Film
High Power
SM Series
± 100ppm/°C
750V
-
-
-55°C
200°C
-
3828965

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HK$14.210
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HK$13.810
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HK$13.390
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HK$11.690
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Min: 1 / Mult: 1
51kohm
± 5%
7W
SMD
Metal Film
High Power
SM Series
± 100ppm/°C
750V
-
-
-55°C
200°C
-
4009379

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HK$0.159
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Min: 10 / Mult: 10
51kohm
± 1%
250mW
0603 [1608 Metric]
Thick Film
Anti-Surge
ESR Series
± 100ppm/°C
150V
1.6mm
0.8mm
-55°C
155°C
AEC-Q200
4009379RL

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25000+
HK$0.119
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Min: 500 / Mult: 10
51kohm
± 1%
250mW
0603 [1608 Metric]
Thick Film
Anti-Surge
ESR Series
± 100ppm/°C
150V
1.6mm
0.8mm
-55°C
155°C
AEC-Q200
4009499RL

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500+
HK$0.271
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HK$0.238
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HK$0.190
5000+
HK$0.141
25000+
HK$0.139
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Min: 500 / Mult: 10
51kohm
± 1%
400mW
0805 [2012 Metric]
Thick Film
Anti-Surge
ESR Series
± 100ppm/°C
150V
2mm
1.25mm
-55°C
155°C
AEC-Q200
4009499

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10+
HK$0.489
100+
HK$0.304
500+
HK$0.271
1000+
HK$0.238
2500+
HK$0.190
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Min: 10 / Mult: 10
51kohm
± 1%
400mW
0805 [2012 Metric]
Thick Film
Anti-Surge
ESR Series
± 100ppm/°C
150V
2mm
1.25mm
-55°C
155°C
AEC-Q200
4137264RL

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500+
HK$0.470
1000+
HK$0.432
2500+
HK$0.374
5000+
HK$0.316
25000+
HK$0.279
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Min: 500 / Mult: 10
51kohm
± 1%
250mW
0508 [1220 Metric]
Thick Film
High Power, Anti-Surge
LTR Series
± 100ppm/°C
150V
1.2mm
2mm
-55°C
155°C
AEC-Q200
4206912

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1+
HK$0.394
50+
HK$0.283
100+
HK$0.246
250+
HK$0.230
500+
HK$0.201
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Min: 1 / Mult: 1
51kohm
± 1%
1W
0508 Wide [1220 Metric]
Thick Film
High Power
3430 Series
± 100ppm/°C
200V
1.25mm
2mm
-55°C
155°C
AEC-Q200
4207879RL

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100+
HK$3.760
250+
HK$3.420
500+
HK$3.070
1000+
HK$2.730
Min: 100 / Mult: 1
51kohm
± 1%
3W
1225 Wide [3264 Metric]
Thick Film
High Power
3430 Series
± 100ppm/°C
200V
3.2mm
6.4mm
-55°C
155°C
AEC-Q200
4207235

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HK$3.790
50+
HK$2.090
100+
HK$1.280
250+
HK$1.130
500+
HK$0.962
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Min: 1 / Mult: 1
51kohm
± 1%
1.5W
0612 Wide [1632 Metric]
Thick Film
High Power
3430 Series
± 100ppm/°C
200V
1.55mm
3mm
-55°C
155°C
AEC-Q200
4207235RL

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Packaging Options
500+
HK$0.962
1000+
HK$0.855
Min: 500 / Mult: 1
51kohm
± 1%
1.5W
0612 Wide [1632 Metric]
Thick Film
High Power
3430 Series
± 100ppm/°C
200V
1.55mm
3mm
-55°C
155°C
AEC-Q200
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