2.1kohm Chip SMD Resistors:

115 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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2094993RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$1.420
500+
HK$1.190
Min: 100 / Mult: 10
2.1kohm
± 0.1%
250mW
1206 [3216 Metric]
Metal Film (Thin Film)
High Reliability
ERA-8A Series
± 25ppm/°C
150V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
2094993

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Each (Supplied on Cut Tape)
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10+
HK$2.070
100+
HK$1.420
500+
HK$1.190
Min: 10 / Mult: 10
2.1kohm
± 0.1%
250mW
1206 [3216 Metric]
Metal Film (Thin Film)
High Reliability
ERA-8A Series
± 25ppm/°C
150V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
2339890

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Each (Supplied on Full Reel)
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5000+
HK$1.050
25000+
HK$0.895
50000+
HK$0.885
Min: 5000 / Mult: 5000
2.1kohm
± 0.1%
125mW
0805 [2012 Metric]
Thin Film
Precision
-
± 10ppm/°C
100V
2.01mm
1.25mm
-55°C
155°C
-
2338118

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10+
HK$1.580
100+
HK$1.280
500+
HK$0.970
1000+
HK$0.860
2500+
HK$0.765
Min: 10 / Mult: 10
2.1kohm
± 0.1%
125mW
0805 [2012 Metric]
Thin Film
Precision
-
± 10ppm/°C
100V
2.01mm
1.25mm
-55°C
155°C
-
3495578

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10+
HK$0.074
100+
HK$0.066
500+
HK$0.054
2500+
HK$0.042
5000+
HK$0.041
Min: 10 / Mult: 10
2.1kohm
± 1%
62.5mW
0402 [1005 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
50V
1mm
0.5mm
-55°C
155°C
-
2563476

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HK$0.716
100+
HK$0.576
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HK$0.527
2500+
HK$0.502
5000+
HK$0.444
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Min: 10 / Mult: 10
2.1kohm
± 0.1%
62.5mW
0402 [1005 Metric]
Metal Film (Thin Film)
High Reliability
ERA-2A Series
± 25ppm/°C
50V
1.02mm
0.5mm
-55°C
155°C
AEC-Q200
2694767

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HK$0.050
100+
HK$0.048
500+
HK$0.045
1000+
HK$0.037
2500+
HK$0.031
Min: 10 / Mult: 10
2.1kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
-
± 100ppm/°C
75V
1.6mm
0.85mm
-55°C
155°C
-
3495791

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10+
HK$0.074
100+
HK$0.058
500+
HK$0.050
1000+
HK$0.042
2500+
HK$0.041
Min: 10 / Mult: 10
2.1kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
75V
1.6mm
0.8mm
-55°C
155°C
-
4007527RL

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100+
HK$7.480
250+
HK$7.110
Min: 100 / Mult: 1
2.1kohm
± 0.1%
1W
0805 [2012 Metric]
Thin Film
High Power, Precision
RA73 Series
± 25ppm/°C
100V
2mm
1.25mm
-55°C
155°C
-
4007231RL

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100+
HK$7.930
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HK$7.230
500+
HK$6.690
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HK$6.680
5000+
HK$6.640
More Pricing...
Min: 100 / Mult: 1
2.1kohm
± 0.1%
500mW
0603 [1608 Metric]
Thin Film
High Power, Precision
RA73 Series
± 25ppm/°C
75V
1.55mm
0.8mm
-55°C
155°C
-
4007231

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1+
HK$16.120
50+
HK$9.050
100+
HK$7.930
250+
HK$7.230
500+
HK$6.690
More Pricing...
Min: 1 / Mult: 1
2.1kohm
± 0.1%
500mW
0603 [1608 Metric]
Thin Film
High Power, Precision
RA73 Series
± 25ppm/°C
75V
1.55mm
0.8mm
-55°C
155°C
-
4007527

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1+
HK$15.240
50+
HK$8.570
100+
HK$7.480
250+
HK$7.110
Min: 1 / Mult: 1
2.1kohm
± 0.1%
1W
0805 [2012 Metric]
Thin Film
High Power, Precision
RA73 Series
± 25ppm/°C
100V
2mm
1.25mm
-55°C
155°C
-
2302671

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10+
HK$0.241
100+
HK$0.121
500+
HK$0.094
2500+
HK$0.057
5000+
HK$0.055
Min: 10 / Mult: 10
2.1kohm
± 1%
100mW
0402 [1005 Metric]
Thick Film
Precision
ERJ-2RK Series
± 100ppm/°C
50V
1.02mm
0.5mm
-55°C
155°C
AEC-Q200
1653100

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HK$0.403
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HK$0.222
500+
HK$0.157
1000+
HK$0.132
2500+
HK$0.122
More Pricing...
Min: 10 / Mult: 10
2.1kohm
± 1%
250mW
1206 [3216 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
200V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
1160155

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HK$3.330
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HK$1.840
100+
HK$1.630
250+
HK$1.420
500+
HK$1.220
More Pricing...
Min: 1 / Mult: 1
2.1kohm
± 0.1%
100mW
0805 [2012 Metric]
Thin Film
Precision
PCF Series
± 25ppm/°C
100V
2.01mm
1.25mm
-55°C
125°C
-
3539789

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HK$0.198
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HK$0.099
1000+
HK$0.050
5000+
HK$0.033
12500+
HK$0.032
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Min: 10 / Mult: 10
2.1kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
Precision
RK73H Series
± 100ppm/K
75V
1.6mm
0.85mm
-55°C
155°C
AEC-Q200
2073426

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HK$0.082
500+
HK$0.070
1000+
HK$0.059
2500+
HK$0.041
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Min: 10 / Mult: 10
2.1kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
Sulfur Resistant
-
± 100ppm/°C
75V
1.6mm
0.85mm
-55°C
155°C
AEC-Q200
2138945RL

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500+
HK$0.140
1000+
HK$0.107
2500+
HK$0.105
Min: 500 / Mult: 10
2.1kohm
± 1%
125mW
0805 [2012 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
150V
2mm
1.25mm
-55°C
155°C
AEC-Q200
2331108RL

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Packaging Options
100+
HK$1.520
250+
HK$1.410
500+
HK$1.290
Min: 100 / Mult: 10
2.1kohm
± 0.1%
62.5mW
0603 [1608 Metric]
Thin Film
Precision Low TCR
CPF Series
± 25ppm/°C
50V
1.6mm
0.85mm
-55°C
155°C
-
2138945

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Each (Supplied on Cut Tape)
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Packaging Options
10+
HK$0.247
100+
HK$0.173
500+
HK$0.140
1000+
HK$0.107
2500+
HK$0.105
Min: 10 / Mult: 10
2.1kohm
± 1%
125mW
0805 [2012 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
150V
2mm
1.25mm
-55°C
155°C
AEC-Q200
2072768

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Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$0.075
100+
HK$0.064
500+
HK$0.055
2500+
HK$0.031
5000+
HK$0.024
Min: 10 / Mult: 10
2.1kohm
± 1%
62.5mW
0402 [1005 Metric]
Thick Film
Sulfur Resistant
-
± 100ppm/°C
50V
1.02mm
0.5mm
-55°C
155°C
AEC-Q200
1160155RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$1.630
250+
HK$1.420
500+
HK$1.220
1000+
HK$1.010
Min: 100 / Mult: 1
2.1kohm
± 0.1%
100mW
0805 [2012 Metric]
Thin Film
Precision
PCF Series
± 25ppm/°C
100V
2.01mm
1.25mm
-55°C
125°C
-
2331108

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
1+
HK$2.220
50+
HK$1.610
100+
HK$1.520
250+
HK$1.410
500+
HK$1.290
Min: 1 / Mult: 1
2.1kohm
± 0.1%
62.5mW
0603 [1608 Metric]
Thin Film
Precision Low TCR
CPF Series
± 25ppm/°C
50V
1.6mm
0.85mm
-55°C
155°C
-
1653100RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.157
1000+
HK$0.132
2500+
HK$0.122
5000+
HK$0.113
Min: 500 / Mult: 10
2.1kohm
± 1%
250mW
1206 [3216 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
200V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
2327100

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$0.777
100+
HK$0.587
500+
HK$0.493
1000+
HK$0.469
2500+
HK$0.432
More Pricing...
Min: 10 / Mult: 10
2.1kohm
± 1%
660mW
1206 [3216 Metric]
Thick Film
High Power, Anti-Surge
ERJ-P08 Series
± 100ppm/°C
500V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
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