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. 919-0480
Mfr. Part No.ERJP06J222V
BrandPanasonic
kr 0,144
Each (On a Reel of 5000)
Units
2.2 kΩ 0805 (2012M) Thick Film ±5% 0.5W ±200ppm/°C - - - - - ERJP06 -55°C +155°C
RS Stock No. 153-747
Mfr. Part No.ERJP06J222V
BrandPanasonic
kr 0,195
Each (In a Pack of 500)
Units
2.2 kΩ 0805 (2012M) Thick Film ±5% 0.5W ±200ppm/°C AEC-Q200 - - - - ERJP06 -55°C +155°C
RS Stock No. 122-9292
Mfr. Part No.ERJ3EKF3601V
BrandPanasonic
kr 0,05
Each (On a Reel of 5000)
Units
3.6 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - ERJ -55°C +155°C
RS Stock No. 106-5958
Mfr. Part No.ERJ3EKF4701V
BrandPanasonic
kr 0,05
Each (On a Reel of 5000)
Units
4.7 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C AEC-Q200 - - - - ERJ3EK -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
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. 182-6666
Mfr. Part No.ERA3AEB2801V
BrandPanasonic
kr 0,977
Each (On a Reel of 250)
Units
- - - - - - - - - - - - - -
RS Stock No. 106-8925
Mfr. Part No.ERA3AEB2801V
BrandPanasonic
kr 0,234
Each (On a Reel of 5000)
Units
2.8 kΩ 0603 (1608M) Metal Film ±0.1% 0.1W ±25ppm/°C - - - - - ERA -55°C +155°C
RS Stock No. 169-1052
Mfr. Part No.ERJ3RBD5600V
BrandPanasonic
kr 0,131
Each (On a Reel of 5000)
Units
560 Ω 0603 (1608M) Thick Film ±0.5% 0.1W ±50ppm/°C AEC-Q200 - - - - ERJ -55°C +125°C
RS Stock No. 814-5889
Mfr. Part No.ERJ-3EKF1001V
BrandPanasonic
kr 0,195
Each (In a Bag of 100)
Units
1 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C AEC-Q200 - - - - ERJ3EK -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. 810-2286
Mfr. Part No.ERJ3RBD5600V
BrandPanasonic
kr 0,246
Each (In a Bag of 100)
Units
560 Ω 0603 (1608M) Thick Film ±0.5% 0.1W ±50ppm/°C AEC-Q200 - - - - ERJ -55°C +125°C
RS Stock No. 122-9279
Mfr. Part No.ERJ3EKF3303V
BrandPanasonic
kr 0,098
Each (On a Reel of 5000)
Units
330 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - ERJ -55°C +155°C
RS Stock No. 732-5520
Mfr. Part No.ERJ2RKF4703X
BrandPanasonic
kr 0,035
Each (On a Reel of 10000)
Units
470 kΩ 0402 (1005M) Thick Film ±1% 0.1W ±100ppm/°C AEC-Q200 - - - - ERJ2RK -55°C +155°C
RS Stock No. 708-7565
Mfr. Part No.ERA3AEB2801V
BrandPanasonic
kr 0,26
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. 810-2101
Mfr. Part No.ERJ3RBD1101V
BrandPanasonic
kr 0,195
Each (In a Bag of 100)
Units
1.1 kΩ 0603 (1608M) Thick Film ±0.5% 0.1W ±50ppm/°C AEC-Q200 - - - - ERJ -55°C +125°C
RS Stock No. 873-9226
Mfr. Part No.ERJU03F1002V
BrandPanasonic
kr 0,297
Each (In a Bag of 100)
Units
10 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - ERJU03 -55°C +155°C
RS Stock No. 110-1100
Mfr. Part No.ERA3AEB2801V
BrandPanasonic
kr 0,358
Each (On a Reel of 5000)
Units
2.8 kΩ 0603 (1608M) Metal Film ±0.1% 0.1W ±25ppm/°C - - - - - ERA -55°C +155°C
RS Stock No. 172-4242
Mfr. Part No.ERJU03F1002V
BrandPanasonic
kr 0,148
Each (On a Reel of 5000)
Units
10 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - ERJU03 -55°C +155°C
RS Stock No. 122-9264
Mfr. Part No.ERJ3EKF3003V
BrandPanasonic
kr 0,05
Each (On a Reel of 5000)
Units
300 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - ERJ -55°C +155°C