Surface Mount Fixed Resistors

Resistors are referred to as a Passive Component. Surface Mount Resistors are more commonly known as SMD (surface mount device) or SMT (Surface mount technology) Resistors. These resistors offer advantages in space saving on Printed Circuit Boards (PCBs).

Some common package sizes are 0201,0402,0603,0805,1206,1210,2020,2512

SMD Resistors are used in large volumes and are the preferred choice in electronics equipment due to their small size and high reliability. SMD resistors are particularly used in telecommunication, automotive (AEC Q200 qualified) and medical equipment, they also found in personal devices, displays and advanced technology research instruments.

SMD Fixed Resistors

Surface mount fixed resistors are the most widely used resistors as they reduce the flow of the electrical current in circuits. Similar to water flowing along a pipe, the tap controls the flow of water, a resistor controls the flow of current. They work to a fixed value the resistance does not change in temperature or voltage. The most commonly used fixed resistors values are 100KΩ,10kΩ,100Ω, 10Ω

Types of surface mount fixed resistors

  • Thin Film Resistors have a higher precision than the thick film
  • Thick Film Resistors are used for general use due to a lower price point.
  • Moulded Wirewound Resistors offer higher power
  • Foil Resistors for ultra-high precision and really low-Temperature coefficient of resistance
  • Shunts (current sense) Low ohmic values for where current measurement is critical
  • Melf (cylindrical) offering superb pulse load capability

What are surface mount fixed resistors used for?

SMD fixed resistors are very compact and used in most electronic board design. Due to their compact size and the continuous development of ever smaller footprints, this has allowed for the development of ever smaller PCB designs and the ability to get more from the board. The resistors can assist in the reduction of component count on the board.

High Power / Surge / pulse protection

Many manufacturers offer a higher power alternative for the various packages they have available. As an example the 0603 resistor package can vary from 0.1W to 0.25W (rated dissipation 70°C). The higher power alternatives can be used in applications where there is a need to protect against surges / pulses.

What is the difference between Thin Film Resistors and Thick Film Resistors?

The main difference being that the thick film resistors have a paste fired on to the manufacturers chosen substrate. Thin film resistors as the name suggests has an extremely thin metal film that is generally vacuum deposited on to the manufacturers chosen substrate.


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Description Price Resistance Package/Case Technology Tolerance Power Rating Temperature Coefficient Automotive Standard Dimensions Length Depth Height Series Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 169-4899
Mfr. Part No.CRCW12063K30FKEA
BrandVishay
kr 0,06
Each (On a Reel of 5000)
Units
3.3 kΩ 1206 (3216M) Thick Film ±1% 0.25W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 134-5522
Mfr. Part No.CRG1206F4K7
kr 0,065
Each (On a Reel of 5000)
Units
4.7 kΩ 1206 (3216M) Thick Film ±1% 0.25W ±100ppm/°C - - - - - CRG -55°C +125°C
RS Stock No. 169-4243
Mfr. Part No.CRCW0603150KFKEA
BrandVishay
kr 0,05
Each (On a Reel of 5000)
Units
150 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 678-9715
Mfr. Part No.CRCW0603120KFKEA
BrandVishay
kr 0,347
Each (In a Pack of 50)
Units
120 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 182-5165
Mfr. Part No.CRCW08054K70FKEA
BrandVishay
kr 0,119
Each (On a Reel of 1000)
Units
- - - - - - - - - - - - - -
RS Stock No. 679-2382
Mfr. Part No.CRCW2010100RFKEF
BrandVishay
kr 2,684
Each (In a Pack of 25)
Units
100 Ω 2010 (5025M) Thick Film ±1% 0.75W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 922-8957
Mfr. Part No.ERJP14F22R0U
BrandPanasonic
kr 0,566
Each (On a Reel of 5000)
Units
22 Ω 0603 (1608M) Thick Film ±1% 0.5W ±100ppm/°C - - - - - ERJP14 -55°C +155°C
RS Stock No. 134-5429
Mfr. Part No.CRG0603F10R
kr 0,043
Each (On a Reel of 5000)
Units
10 Ω 0603 (1608M) Thick Film ±1% 0.1W ±200ppm/°C - - - - - CRG -55°C +125°C
RS Stock No. 708-7565
Mfr. Part No.ERA3AEB2801V
BrandPanasonic
kr 0,248
Each (In a Pack of 5)
Units
2.8 kΩ 0603 (1608M) Metal Film ±0.1% 0.1W ±25ppm/°C AEC-Q200 - - - - ERA -55°C +155°C
RS Stock No. 678-9128
Mfr. Part No.CRCW04022M20FKED
BrandVishay
kr 0,347
Each (In a Pack of 50)
Units
2.2 MΩ 0402 (1005M) Thick Film ±1% 0.063W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 701-6522
Mfr. Part No.RN73C1E2K67B
kr 17,886
Each (In a Pack of 5)
Units
2.67 kΩ 0402 (1005M) Thin Film ±0.1% 0.063W ±10ppm/°C - - - - - RN73 -55°C +155°C
New
RS Stock No. 199-5849
Mfr. Part No.RC1206FR-0739RL
BrandYageo
kr 0,389
Each (On a Tape of 100)
Units
- 1206 (3216M) Thick Film ± 1% 0.25 W, 0.5 W - - - - - - - - -
RS Stock No. 161-4466
Mfr. Part No.35205R6JT
kr 0,587
Each (On a Reel of 4000)
Units
5.6 Ω 2512 (6432M) Thick Film ±5% 1W ±350ppm/°C - - - - - 3520 -55°C +125°C
RS Stock No. 684-2796
Mfr. Part No.D2TO035C22R00FTE3
BrandVishay
kr 126,92
Each
Units
22 Ω TO-263 Thick Film ±1% 35W ±150ppm/°C - - - - - D2TO35 -55°C +175°C
RS Stock No. 721-8019
Mfr. Part No.ERJP14F22R0U
BrandPanasonic
kr 6,062
Each (In a Pack of 5)
Units
22 Ω 1210 (3225M) Thick Film ±1% 0.5W ±100ppm/°C AEC-Q200 - - - - ERJP14 -55°C +155°C
RS Stock No. 678-9780
Mfr. Part No.CRCW0603150KFKEA
BrandVishay
kr 0,116
Each (In a Pack of 50)
Units
150 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 169-4227
Mfr. Part No.CRCW0603120KFKEA
BrandVishay
kr 0,048
Each (On a Reel of 5000)
Units
120 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 807-1189
Mfr. Part No.CRGH1206J22R
kr 0,236
Each (In a Bag of 100)
Units
22 Ω 1206 (3216M) Thick Film ±5% 0.5W ±200ppm/°C - - - - - CRGH -55°C +155°C
RS Stock No. 763-0526
Mfr. Part No.RP73PF1J200RBTDF
kr 1,315
Each (On a Reel of 1000)
Units
200 Ω 0603 (1608M) Thin Film ±0.1% 0.16W ±25ppm/°C - - - - - RP73 -55°C +155°C
RS Stock No. 169-0995
Mfr. Part No.ERJ3RBD1101V
BrandPanasonic
kr 0,14
Each (On a Reel of 5000)
Units
1.1 kΩ 0603 (1608M) Thick Film ±0.5% 0.1W ±50ppm/°C AEC-Q200 - - - - ERJ -55°C +125°C
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