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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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. 812-1657
FabrikantnummerCRCW040233R0FKEDHP
FabrikantVishay
€ 0,055
Each (In a Bag of 100)
Aantal stuks
33 Ω 0402 (1005M) Thick Film ±1% 0.2W ±100ppm/K - - - - - CRCW -55°C +155°C
RS-stocknr. 169-4570
FabrikantnummerCRCW0805200KFKEA
FabrikantVishay
€ 0,006
Each (On a Reel of 5000)
Aantal stuks
200 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS-stocknr. 684-1649
FabrikantnummerY14870R10000B9R
€ 6,06
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Aantal stuks
100 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
RS-stocknr. 679-1064
FabrikantnummerCRCW0805200KFKEA
FabrikantVishay
€ 0,015
Each (In a Pack of 50)
Aantal stuks
200 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS-stocknr. 126-0366
FabrikantnummerFC4L64R010FER
FabrikantArcol Ohmite
€ 1,31
Each (In a Bag of 5)
Aantal stuks
10 mΩ 2512 (6432M) Metal Foil ±1% 2W ±50ppm/°C - - - - - FC4L -55°C +155°C
RS-stocknr. 679-1897
FabrikantnummerCRCW12061R00FKEA
FabrikantVishay
€ 0,048
Each (In a Pack of 50)
Aantal stuks
1 Ω 1206 (3216M) Thick Film ±1% 0.25W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS-stocknr. 167-4476
FabrikantnummerCRA2512-FZ-R010ELF
FabrikantBourns
€ 0,167
Each (On a Reel of 4000)
Aantal stuks
10 mΩ 2512 (6432M) - ±1% 3W ±75ppm/°C AEC-Q200 - - - - CRA -55°C +170°C
RS-stocknr. 684-1490
FabrikantnummerY1625250R000T9R
€ 45,84
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Aantal stuks
250 Ω 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°C
RS-stocknr. 134-5468
FabrikantnummerCRG0805F330R
FabrikantTE Connectivity
€ 0,005
Each (On a Reel of 5000)
Aantal stuks
330 Ω 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRG -55°C +125°C
RS-stocknr. 173-2929
FabrikantnummerY162410K0000T9R
€ 10,622
Each (On a Tape of 100)
Aantal stuks
10 kΩ 0805 (2012M) Metal Foil ±0.01% 0.2W ±0.2ppm/°C - - - - - VSMP -65°C +150°C
RS-stocknr. 678-9670
FabrikantnummerCRCW06030000Z0EB
FabrikantVishay
€ 0,009
Each (In a Pack of 50)
Aantal stuks
0 Ω 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS-stocknr. 182-3616
FabrikantnummerCRCW06030000Z0EB
FabrikantVishay
€ 0,007
Each (On a Reel of 1000)
Aantal stuks
0 Ω 0603 (1608M) Thick Film - 0.1W - AEC-Q200 - - - - CRCW -55°C +155°C
RS-stocknr. 180-4216
FabrikantnummerCMB02070X4700GB200
FabrikantVishay
€ 0,18
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Aantal stuks
470 Ω Melf 0207 Thin Film ±2% 0.4W - AEC-Q200 - - - - CMB -55°C +125°C
RS-stocknr. 922-9279
FabrikantnummerERJT14J103U
FabrikantPanasonic
€ 0,034
Each (On a Reel of 5000)
Aantal stuks
10 kΩ 1210 (3225M) Thick Film ±5% 0.5W ±200ppm/°C - - - - - ERJT14 -55°C +155°C
RS-stocknr. 870-2530
FabrikantnummerWSHM2818R0330FEB
FabrikantVishay
€ 1,562
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Aantal stuks
33 mΩ - NiCr Alloy ±1% 7W ±75ppm/°C - - - - - WSHM2818 -65°C +170°C
RS-stocknr. 173-1395
FabrikantnummerWSHM2818R0330FEB
FabrikantVishay
€ 0,573
Each (On a Reel of 3500)
Aantal stuks
33 mΩ 2616 NiCr Alloy ±1% 7W ±75ppm/°C - - - - - WSHM2818 -65°C +170°C
RS-stocknr. 180-4511
FabrikantnummerCMB02070X4700GB200
FabrikantVishay
€ 0,258
Each (On a Reel of 500)
Aantal stuks
470 Ω Melf 0207 Thin Film ±2% 0.4W - AEC-Q200 - - - - CMB -55°C +125°C
RS-stocknr. 223-0354
FabrikantnummerCRG0805F330R
FabrikantTE Connectivity
€ 0,043
Each (In a Pack of 50)
Aantal stuks
330 Ω 0805 Thick Film ±1% 0.125W ±100ppm/°C - 2 x 0.5mm 2mm 1.25mm 0.5mm CRG -55°C +125°C
RS-stocknr. 804-9000
FabrikantRS PRO
€ 0,001
Each (On a Reel of 5000)
Aantal stuks
100 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - - -55°C +155°C
RS-stocknr. 182-3570
FabrikantnummerCRCW06030000Z0EAHP
FabrikantVishay
€ 0,023
Each (On a Reel of 1000)
Aantal stuks
0 Ω 0603 (1608M) Thick Film - 0.25W - AEC-Q200 - - - - CRCW-HP -55°C +155°C
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