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 (PCB’s).


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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Omschrijving Prijs Resistance Package/Case Technology Tolerance Power Rating Temperature Coefficient Automotive Standard Dimensions Length Depth Height Series Minimum Operating Temperature Maximum Operating Temperature
RS-stocknr. 164-5554
FabrikantnummerRL73H2BR10FTD
FabrikantTE Connectivity
0,07 €
Each (On a Reel of 5000)
Aantal stuks
100 mΩ 1206 (3216M) Thick Film ±1% 0.25W ±100ppm/°C - - - - - RL73 -55°C +155°C
RS-stocknr. 807-7196
FabrikantnummerRL73H2BR10FTD
FabrikantTE Connectivity
0,463 €
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Aantal stuks
100 mΩ 1206 (3216M) Metal Strip ±1% 0.25W ±100ppm/°C - - - - - RL73 -55°C +155°C
RS-stocknr. 134-5496
FabrikantnummerCRG0805F150K
FabrikantTE Connectivity
0,008 €
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Aantal stuks
150 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRG -55°C +125°C
RS-stocknr. 662-1252
FabrikantnummerERA6ARW103V
FabrikantPanasonic
0,694 €
Each (In a Pack of 5)
Aantal stuks
10 kΩ 0805 (2012M) Metal Film ±0.05% 0.125W ±10ppm/°C AEC-Q200 - - - - ERA -55°C +155°C
RS-stocknr. 820-6776
FabrikantnummerCRCW06031K00FKEAHP
FabrikantVishay
0,174 €
Each (In a Bag of 25)
Aantal stuks
1 kΩ 0603 (1608M) Thick Film ±1% 0.25W ±100ppm/K - - - - - CRCW -55°C +155°C
RS-stocknr. 651-7431
FabrikantnummerMCT06030D1002BP500
FabrikantVishay
0,217 €
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Aantal stuks
10 kΩ 0603 (1608M) Thin Film ±0.1% 0.1W ±25ppm/°C - - - - - MCT -55°C +155°C
RS-stocknr. 122-9550
FabrikantnummerCPF0603B576KE1
FabrikantTE Connectivity
0,157 €
Each (In a Bag of 20)
Aantal stuks
576 kΩ 0603 (1608M) Thin Film ±0.1% 0.063W ±25ppm/°C - - - - - CPF -55°C +155°C
RS-stocknr. 721-9908
FabrikantnummerERJP08F1002V
FabrikantPanasonic
0,212 €
Each (In a Pack of 5)
Aantal stuks
10 kΩ 1206 (3216M) Thick Film ±1% 0.66W ±100ppm/°C AEC-Q200 - - - - ERJP08 -55°C +155°C
RS-stocknr. 161-4941
Fabrikantnummer3520470RJT
FabrikantTE Connectivity
0,043 €
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Aantal stuks
470 Ω 2512 (6432M) Thick Film ±5% 1W ±200ppm/°C - - - - - 3520 -55°C +125°C
RS-stocknr. 164-6114
Fabrikantnummer352210RFT
FabrikantTE Connectivity
0,255 €
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Aantal stuks
10 Ω 2512 (6432M) Thick Film ±1% 3W - - - - - - 3522 -55°C +155°C
RS-stocknr. 224-0367
Fabrikantnummer3520470RJT
FabrikantTE Connectivity
0,121 €
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Aantal stuks
470 Ω 2512 (6432M) Thick Film ±5% 1W ±200ppm/°C - - - - - 3520 -55°C +125°C
RS-stocknr. 740-8978
FabrikantnummerCR0805-FX-1000ELF
FabrikantBourns
0,013 €
Each (In a Pack of 50)
Aantal stuks
100 Ω 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CR0805 -55°C +155°C
RS-stocknr. 807-1322
FabrikantnummerCRGH2512J120R
FabrikantTE Connectivity
0,304 €
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Aantal stuks
120 Ω 2512 (6432M) Thick Film ±5% 2W ±200ppm/°C - - - - - CRGH -55°C +155°C
RS-stocknr. 164-5521
FabrikantnummerCRGH2512J120R
FabrikantTE Connectivity
0,093 €
Each (In a Bag of 4000)
Aantal stuks
120 Ω 2512 (6432M) Thick Film ±5% 2W ±200ppm/°C - - - - - CRGH -55°C +155°C
RS-stocknr. 181-7977
FabrikantnummerCRCW06031K00FKEAHP
FabrikantVishay
0,024 €
Each (On a Reel of 1000)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 170-1994
FabrikantnummerCRCW06031K00FKEAHP
FabrikantVishay
0,015 €
Each (On a Reel of 5000)
Aantal stuks
1 kΩ 0603 (1608M) Thick Film ±1% 0.25W ±100ppm/K - - - - - CRCW -55°C +155°C
RS-stocknr. 167-4707
FabrikantnummerCR0805-FX-1000ELF
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100 Ω 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CR0805 -55°C +155°C
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10 kΩ 2512 (6432M) Thick Film ±1% 1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS-stocknr. 223-2401
FabrikantnummerCRG1206F12K
FabrikantTE Connectivity
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RS-stocknr. 181-8079
FabrikantnummerCRCW06034K70FKEA
FabrikantVishay
0,005 €
Each (On a Reel of 1000)
Aantal stuks
- - - - - - - - - - - - - -