Surface Mount Resistors

Surface mount resistors, also reffered to as SMD, 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.

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.

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.

Types of surface mount 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 critica
  • 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.

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.

47893 Products showing for Surface Mount Resistors

In Stock
RS PRO TCS 500 mΩ, 0805 Thin Film Surface Mount Resistor ±0.5 % 0.125 W
  • RS stock no. 241-4908P
Subtotal 10 units (supplied on a continuous strip)
R 24,62(exc. VAT)
R 2,462/unit
In Stock
RS PRO RS 470 Ω, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W
  • RS stock no. 804-8827
Subtotal (1 reel of 5000 units)
R 335,00(exc. VAT)
R 0,067/unit
In Stock
RS PRO RS 3.6 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W
  • RS stock no. 804-8895
Subtotal (1 reel of 5000 units)
R 230,00(exc. VAT)
R 0,046/unit
In Stock
RS PRO RS 100 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W
  • RS stock no. 802-9784
Subtotal (1 reel of 5000 units)
R 695,00(exc. VAT)
R 0,139/unit
In Stock
RS PRO RS 1 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W
  • RS stock no. 804-8845
Subtotal (1 reel of 5000 units)
R 330,00(exc. VAT)
R 0,066/unit
In Stock
RS PRO RS 10 kΩ, 0805 Thick Film Surface Mount Resistor ±5 % 0.125 W
  • RS stock no. 713-7011
Subtotal (1 reel of 5000 units)
R 390,00(exc. VAT)
R 0,078/unit
In Stock
RS PRO RS 4.7 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W
  • RS stock no. 804-8909
Subtotal (1 reel of 5000 units)
R 330,00(exc. VAT)
R 0,066/unit
In Stock
RS PRO RS 100 Ω, 1206 Thick Film Surface Mount Resistor ±5 % 0.25 W
  • RS stock no. 713-1300
Subtotal (1 reel of 5000 units)
R 520,00(exc. VAT)
R 0,104/unit
In Stock
RS PRO RS 1 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % 0.125 W
  • RS stock no. 804-6449
Subtotal (1 reel of 5000 units)
R 225,00(exc. VAT)
R 0,045/unit
In Stock
RS PRO RS 1 kΩ, 0805 Thick Film Surface Mount Resistor ±5 % 0.125 W
  • RS stock no. 713-6939
Subtotal (1 reel of 5000 units)
R 390,00(exc. VAT)
R 0,078/unit
In Stock
RS PRO RS 120 Ω, 0603 Thick Film Surface Mount Resistor ±5 % 0.1 W
  • RS stock no. 713-4116
Subtotal (1 reel of 5000 units)
R 260,00(exc. VAT)
R 0,052/unit
In Stock
RS PRO RSTN 10 kΩ, 0805 Thin Film Resistor 0.1 % 0.4 W
  • RS stock no. 243-0652P
Subtotal 10 units (supplied on a continuous strip)
R 92,92(exc. VAT)
R 9,292/unit
In Stock
RS PRO RS 180 kΩ, 0402 Thick Film Surface Mount Resistor ±1 % 0.063 W
  • RS stock no. 804-7303
Subtotal (1 reel of 10000 units)
R 430,00(exc. VAT)
R 0,043/unit
In Stock
RS PRO RS 330 Ω, 0805 Thick Film Surface Mount Resistor ±1 % 0.125 W
  • RS stock no. 804-6401
Subtotal (1 reel of 5000 units)
R 440,00(exc. VAT)
R 0,088/unit
In Stock
RS PRO RSTN 10 kΩ, 0603 Thin Film Resistor 0.1 % 0.06 W
  • RS stock no. 243-0480P
Subtotal 100 units (supplied on a continuous strip)
R 117,80(exc. VAT)
R 1,178/unit
Temporarily out of stock
RS PRO RSTN 100 kΩ, 0603 Thin Film Resistor 0.1 % 0.06 W
  • RS stock no. 243-0483
Subtotal (1 tape of 100 units)
R 116,60(exc. VAT)
R 1,166/unit
In Stock
RS PRO 1 mΩ, 2512 Thick Film Resistor 1 % 1 W - RSPHVRC12FTET1004
  • RS stock no. 257-3063
Subtotal (1 tape of 10 units)
R 57,02(exc. VAT)
R 5,702/unit
Currently unavailable
RS PRO 8.2 mΩ, 2512 Thick Film Resistor 1 % 1 W - RSPHVRC12FTET8204
  • RS stock no. 257-3126
Subtotal (1 tape of 10 units)
R 62,53(exc. VAT)
R 6,253/unit
Currently unavailable
RS PRO 1.8 mΩ, 1206 Thin Film Resistor ±0.1 % 1.8 W - RSPARM06BTC1804A
  • RS stock no. 256-7539
Subtotal (1 tape of 5 units)
R 19,64(exc. VAT)
R 3,928/unit
In Stock
RS PRO 100 mΩ, 2512 Thick Film Resistor ±5 % 1 W - RSPHVR12JTHT1006
  • RS stock no. 256-7843
Subtotal (1 tape of 25 units)
R 489,85(exc. VAT)
R 19,594/unit
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