18kohm 0201 [0603 Metric] Chip SMD Resistors:

499 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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9238638

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10+
HK$0.074
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HK$0.058
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HK$0.054
1000+
HK$0.045
2500+
HK$0.045
More Pricing...
Min: 10 / Mult: 10
18kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
75V
1.6mm
0.8mm
-55°C
155°C
-
9238638RL

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500+
HK$0.054
1000+
HK$0.045
2500+
HK$0.045
5000+
HK$0.043
12500+
HK$0.041
Min: 500 / Mult: 50
18kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
RC_L Series
± 100ppm/°C
75V
1.6mm
0.8mm
-55°C
155°C
-
2447584

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10+
HK$0.081
100+
HK$0.071
500+
HK$0.059
1000+
HK$0.050
2500+
HK$0.035
Min: 10 / Mult: 10
18kohm
± 1%
125mW
0805 [2012 Metric]
Thick Film
General Purpose
-
± 100ppm/°C
150V
2.01mm
1.25mm
-55°C
155°C
-
2447584RL

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500+
HK$0.059
1000+
HK$0.050
2500+
HK$0.035
Min: 500 / Mult: 10
18kohm
± 1%
125mW
0805 [2012 Metric]
Thick Film
General Purpose
-
± 100ppm/°C
150V
2.01mm
1.25mm
-55°C
155°C
-
2140874RL

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500+
HK$0.101
2500+
HK$0.085
5000+
HK$0.084
Min: 500 / Mult: 10
18kohm
± 1%
62.5mW
0402 [1005 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
50V
1mm
0.5mm
-55°C
155°C
AEC-Q200
2447269

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HK$0.049
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HK$0.046
1000+
HK$0.039
2500+
HK$0.032
Min: 10 / Mult: 10
18kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
MCWR Series
± 100ppm/°C
75V
1.6mm
0.85mm
-55°C
155°C
-
3393561

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5000+
HK$0.084
25000+
HK$0.064
Min: 5000 / Mult: 5000
18kohm
± 1%
250mW
1206 [3216 Metric]
Thick Film
General Purpose
-
± 100ppm/°C
200V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
2140874

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10+
HK$0.169
100+
HK$0.110
500+
HK$0.101
2500+
HK$0.085
5000+
HK$0.084
Min: 10 / Mult: 10
18kohm
± 1%
62.5mW
0402 [1005 Metric]
Thick Film
General Purpose
CRCW e3 Series
± 100ppm/K
50V
1mm
0.5mm
-55°C
155°C
AEC-Q200
2447269RL

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500+
HK$0.046
1000+
HK$0.039
2500+
HK$0.032
Min: 500 / Mult: 10
18kohm
± 1%
100mW
0603 [1608 Metric]
Thick Film
General Purpose
MCWR Series
± 100ppm/°C
75V
1.6mm
0.85mm
-55°C
155°C
-
2532087RL

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8000+
HK$2.640
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Min: 100 / Mult: 10
18kohm
± 5%
1.5W
2512 [6432 Metric]
Thick Film
Anti-Surge
CRGS Series
± 100ppm/°C
250V
6.35mm
3.2mm
-55°C
155°C
-
2532087

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10+
HK$5.870
100+
HK$5.360
500+
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2500+
HK$3.470
4000+
HK$2.880
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Min: 10 / Mult: 10
18kohm
± 5%
1.5W
2512 [6432 Metric]
Thick Film
Anti-Surge
CRGS Series
± 100ppm/°C
250V
6.35mm
3.2mm
-55°C
155°C
-
2861232

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HK$0.925
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HK$0.452
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HK$0.415
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Min: 10 / Mult: 10
18kohm
± 1%
750mW
1210 [3225 Metric]
Thick Film
Pulse Withstanding
CRGP Series
± 100ppm/°C
200V
3.2mm
2.5mm
-55°C
155°C
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2861232RL

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500+
HK$0.690
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HK$0.452
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HK$0.415
5000+
HK$0.378
25000+
HK$0.376
Min: 500 / Mult: 10
18kohm
± 1%
750mW
1210 [3225 Metric]
Thick Film
Pulse Withstanding
CRGP Series
± 100ppm/°C
200V
3.2mm
2.5mm
-55°C
155°C
-
3231075

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HK$10.440
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HK$6.100
250+
HK$5.620
500+
HK$4.760
1000+
HK$4.050
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Min: 5 / Mult: 5
18kohm
± 5%
5W
4320 [11050 Metric]
Thick Film
High Power
3550 Series
± 100ppm/°C
300V
11mm
5mm
-55°C
155°C
-
3230943

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5+
HK$5.570
50+
HK$5.240
Min: 5 / Mult: 5
18kohm
± 1%
5W
4320 [11050 Metric]
Thick Film
High Power
3550 Series
± 100ppm/°C
300V
11mm
5mm
-55°C
155°C
-
3230662

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10+
HK$6.910
100+
HK$5.580
500+
HK$4.460
1000+
HK$3.670
Min: 10 / Mult: 10
18kohm
± 1%
4W
2817 [7143 Metric]
Thick Film
High Power
3540 Series
± 100ppm/°C
250V
7.1mm
4.2mm
-55°C
155°C
-
3579813RL

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500+
HK$0.510
1000+
HK$0.334
Min: 500 / Mult: 10
18kohm
± 0.5%
250mW
0603 [1608 Metric]
Thick Film
Sulfur Resistant, Anti-Surge
ERJ-UP3 Series
± 100ppm/°C
150V
1.6mm
0.85mm
-55°C
155°C
AEC-Q200
3230943RL

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50+
HK$5.240
Min: 100 / Mult: 5
18kohm
± 1%
5W
4320 [11050 Metric]
Thick Film
High Power
3550 Series
± 100ppm/°C
300V
11mm
5mm
-55°C
155°C
-
3231225RL

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50+
HK$10.730
250+
HK$9.400
500+
HK$7.140
Min: 100 / Mult: 5
18kohm
± 1%
6W
4527 [11470 Metric]
Thick Film
High Power
3560 Series
± 100ppm/°C
300V
11.6mm
6.85mm
-55°C
155°C
-
3599842RL

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Packaging Options
500+
HK$0.570
1000+
HK$0.333
2500+
HK$0.308
5000+
HK$0.297
Min: 500 / Mult: 10
18kohm
± 1%
660mW
1206 [3216 Metric]
Thick Film
Sulfur Resistant, Anti-Surge
ERJ-UP8 Series
± 100ppm/°C
500V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
3599842

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Each (Supplied on Cut Tape)
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10+
HK$2.080
100+
HK$0.805
500+
HK$0.570
1000+
HK$0.333
2500+
HK$0.308
More Pricing...
Min: 10 / Mult: 10
18kohm
± 1%
660mW
1206 [3216 Metric]
Thick Film
Sulfur Resistant, Anti-Surge
ERJ-UP8 Series
± 100ppm/°C
500V
3.2mm
1.6mm
-55°C
155°C
AEC-Q200
3231225

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Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
5+
HK$13.840
50+
HK$10.730
250+
HK$9.400
500+
HK$7.140
Min: 5 / Mult: 5
18kohm
± 1%
6W
4527 [11470 Metric]
Thick Film
High Power
3560 Series
± 100ppm/°C
300V
11.6mm
6.85mm
-55°C
155°C
-
3231357

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Each (Supplied on Cut Tape)
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1+
HK$16.950
50+
HK$9.400
100+
HK$8.660
250+
HK$7.990
500+
HK$7.330
More Pricing...
Min: 1 / Mult: 1
18kohm
± 5%
6W
4527 [11470 Metric]
Thick Film
High Power
3560 Series
± 100ppm/°C
300V
11.6mm
6.85mm
-55°C
155°C
-
3230662RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$5.580
500+
HK$4.460
1000+
HK$3.670
Min: 100 / Mult: 10
18kohm
± 1%
4W
2817 [7143 Metric]
Thick Film
High Power
3540 Series
± 100ppm/°C
250V
7.1mm
4.2mm
-55°C
155°C
-
3231075RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
HK$6.100
250+
HK$5.620
500+
HK$4.760
1000+
HK$4.050
2000+
HK$3.890
Min: 100 / Mult: 5
18kohm
± 5%
5W
4320 [11050 Metric]
Thick Film
High Power
3550 Series
± 100ppm/°C
300V
11mm
5mm
-55°C
155°C
-
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