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. 684-1484
FabrikantnummerY162410K0000T9R
€ 15,08
Each
Aantal stuks
10 kΩ 0805 (2012M) Metal Foil ±0.01% 0.2W ±0.2ppm/°C - - - - - VSMP -55°C +125°C
RS-stocknr. 173-2895
FabrikantnummerY14870R10000B9R
€ 5,174
Each (On a Tape of 100)
Aantal stuks
100 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
RS-stocknr. 684-1490
FabrikantnummerY1625250R000T9R
€ 45,84
Each
Aantal stuks
250 Ω 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°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. 684-1649
FabrikantnummerY14870R10000B9R
€ 6,06
Each
Aantal stuks
100 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
RS-stocknr. 173-2903
FabrikantnummerY1625250R000T9R
€ 15,11
Each (On a Tape of 50)
Aantal stuks
250 Ω 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°C
RS-stocknr. 684-1526
FabrikantnummerY162520K0000T9R
€ 26,85
Each
Aantal stuks
20 kΩ 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°C
RS-stocknr. 173-2920
FabrikantnummerY162520K0000T9R
€ 16,68
Each (On a Tape of 50)
Aantal stuks
20 kΩ 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°C
RS-stocknr. 763-7224
FabrikantnummerY1745100R000T9R
€ 13,53
Each
Aantal stuks
100 Ω - Metal Foil ±0.01% 0.25W ±0.2ppm/°C - - - - - SMR1DZ -55°C +125°C
RS-stocknr. 763-7189
FabrikantnummerY14870R05000B9R
€ 6,94
Each
Aantal stuks
50 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
RS-stocknr. 173-2891
FabrikantnummerY14870R05000B9R
€ 5,918
Each (On a Tape of 100)
Aantal stuks
50 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
RS-stocknr. 173-2924
FabrikantnummerY16245K00000T9R
€ 15,965
Each (On a Tape of 100)
Aantal stuks
5 kΩ 0805 (2012M) Metal Foil ±0.01% 0.2W ±0.2ppm/°C - - - - - VSMP -65°C +150°C
RS-stocknr. 173-2935
FabrikantnummerY1745100R000T9R
€ 11,186
Each (On a Tape of 100)
Aantal stuks
100 Ω - Metal Foil ±0.01% 0.25W ±0.2ppm/°C - - - - - SMR1DZ -55°C +125°C
RS-stocknr. 684-1481
FabrikantnummerY16245K00000T9R
€ 17,73
Each
Aantal stuks
5 kΩ 0805 (2012M) Metal Foil ±0.01% 0.2W ±0.2ppm/°C - - - - - VSMP -55°C +125°C
RS-stocknr. 684-1475
FabrikantnummerY1624500R000T9R
€ 32,54
Each
Aantal stuks
500 Ω 0805 (2012M) Metal Foil ±0.01% 0.2W ±0.2ppm/°C - - - - - VSMP -55°C +125°C
RS-stocknr. 173-2911
FabrikantnummerY1624500R000T9R
€ 14,798
Each (On a Tape of 100)
Aantal stuks
500 Ω 0805 (2012M) Metal Foil ±0.01% 0.2W ±0.2ppm/°C - - - - - VSMP -65°C +150°C
RS-stocknr. 684-1529
FabrikantnummerY162525K0000T9R
€ 19,37
Each
Aantal stuks
25 kΩ 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°C
RS-stocknr. 173-2965
FabrikantnummerY162525K0000T9R
€ 21,785
Each (On a Tape of 50)
Aantal stuks
25 kΩ 1206 (3216M) Metal Foil ±0.01% 0.33W ±0.2ppm/°C - - - - - VSMP -55°C +150°C
RS-stocknr. 346-8443
FabrikantnummerSMR1D 10K
€ 26,23
Each
Aantal stuks
10 kΩ - Metal Foil ±0.01% 0.25W ±2ppm/°C - - - - - SMR1DZ -55°C +125°C
RS-stocknr. 172-7727
FabrikantnummerSMR1D 10K
€ 23,61
Each (In a Box of 25)
Aantal stuks
10 kΩ - Metal Foil ±0.01% 0.25W ±2ppm/°C - - - - - SMR1DZ -55°C +125°C