Surface Mount Fixed Resistors

pResistors 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). /p pSome common package sizes are 0201,0402,0603,0805,1206,1210,2020,2512/p p 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./p h2SMD Fixed Resistors/h2 pSurface 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/p strongpTypes of surface mount fixed resistors/p/strong ulliThin Film Resistors have a higher precision than the thick film/li liThick Film Resistors are used for general use due to a lower price point./li liMoulded Wirewound Resistors offer higher power/li liFoil Resistors for ultra-high precision and really low-Temperature coefficient of resistance/li liShunts (current sense) Low ohmic values for where current measurement is critical/li liMelf (cylindrical) offering superb pulse load capability/li/ul pstrongWhat are surface mount fixed resistors used for?/strong/p pSMD 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. /p pstrongHigh Power / Surge / pulse protection/strong/p pMany 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./p pstrongWhat is the difference between Thin Film Resistors and Thick Film Resistors?/strong/p pThe 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./p

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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. 668-8564
Mfr. Part No.ACPP0805180RBE
BrandArcol
HK$2.53
Each (In a Pack of 5)
units
180 Ω 0805 (2012M) Metal Film ±0.1% 0.1W ±25ppm/°C - - - - - ACPP -55°C +155°C
RS Stock No. 809-8976
Mfr. Part No.RWS5 100R J B
BrandArcol
HK$8.56
Each
units
100 Ω - Wire Wound ±5% 5W ±20ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 668-8454
Mfr. Part No.ACPP06034K7BE
BrandArcol
HK$2.50
Each (In a Pack of 5)
units
4.7 kΩ 0603 (1608M) Metal Film ±0.1% 0.063W ±25ppm/°C - - - - - ACPP -55°C +155°C
RS Stock No. 668-8473
Mfr. Part No.ACPP060362RBE
BrandArcol
HK$2.50
Each (In a Pack of 5)
units
62 Ω 0603 (1608M) Metal Film ±0.1% 0.063W ±25ppm/°C - - - - - ACPP -55°C +155°C
RS Stock No. 809-8888
Mfr. Part No.RWS5 R33 J B
BrandArcol
HK$8.56
Each
units
330 mΩ 0805 (2012M) Wire Wound ±5% 5W ±90ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 809-8872
Mfr. Part No.RWS5 R18 J B
BrandArcol
HK$8.56
Each
units
180 mΩ - Wire Wound ±5% 5W ±90ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 172-2137
Mfr. Part No.RWS7 R1 J
BrandArcol
HK$10.192
Each (In a Bag of 100)
units
100 mΩ - Wire Wound ±5% 7W ±90ppm/°C - - - - - RWS -55°C +275°C
RS Stock No. 809-8941
Mfr. Part No.RWS5 18R J B
BrandArcol
HK$8.56
Each
units
18 Ω 0805 (2012M) Wire Wound ±5% 5W ±20ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 172-2110
Mfr. Part No.ACPP06037K5BE
BrandArcol
HK$1.497
Each (On a Reel of 5000)
units
7.5 kΩ 0603 (1608M) Thin Film ±0.1% 0.063W ±25ppm/°C - - - - - ACPP -55°C +125°C
RS Stock No. 809-8973
Mfr. Part No.RWS5 150R J B
BrandArcol
HK$8.56
Each
units
150 Ω - Wire Wound ±5% 5W ±20ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 809-8967
Mfr. Part No.RWS5 82R J B
BrandArcol
HK$8.56
Each
units
82 Ω 0805 (2012M) Wire Wound ±5% 5W ±20ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 172-2142
Mfr. Part No.RWS7 470R J
BrandArcol
HK$10.192
Each (In a Bag of 100)
units
470 Ω - Wire Wound ±5% 7W ±20ppm/°C - - - - - RWS -55°C +275°C
RS Stock No. 809-8838
Mfr. Part No.RWS5 39R F B
BrandArcol
HK$8.73
Each
units
39 Ω 0805 (2012M) Wire Wound ±1% 5W ±20ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 866-5343
Mfr. Part No.CRS1050 R001 F 60PPM TR
BrandArcol
HK$8.96
Each (In a Bag of 5)
units
1 mΩ 1050 Metal Strip ±1% 4W ±60ppm/°C - - - - - CRS -55°C +170°C
RS Stock No. 668-8325
Mfr. Part No.ACPP060316KBE
BrandArcol
HK$2.50
Each (In a Pack of 5)
units
16 kΩ 0603 (1608M) Metal Film ±0.1% 0.063W ±25ppm/°C - - - - - ACPP -55°C +155°C
RS Stock No. 172-2093
Mfr. Part No.ACPP06032K0BE
BrandArcol
HK$1.497
Each (On a Reel of 5000)
units
2 kΩ 0603 (1608M) Thin Film ±0.1% 0.063W ±25ppm/°C - - - - - ACPP -55°C +125°C
RS Stock No. 781-1292
Mfr. Part No.RWS7 20R J
BrandArcol
HK$14.20
Each
units
20 Ω - Wire Wound ±5% 7W ±20ppm/°C - - - - - RWS -55°C +275°C
RS Stock No. 668-8401
Mfr. Part No.ACPP0603360RBE
BrandArcol
HK$2.68
Each (In a Pack of 5)
units
360 Ω 0603 (1608M) Metal Film ±0.1% 0.063W ±25ppm/°C - - - - - ACPP -55°C +155°C
RS Stock No. 809-2697
Mfr. Part No.RWS3 2R7 F B
BrandArcol
HK$10.08
Each
units
2.7 Ω - Wire Wound ±1% 3W ±50ppm/°C - - - - - RWS -55°C +155°C
RS Stock No. 809-8806
Mfr. Part No.RWS5 3R9 F B
BrandArcol
HK$8.73
Each
units
3.9 Ω 0805 (2012M) Wire Wound ±1% 5W ±50ppm/°C - - - - - RWS -55°C +155°C