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. 678-7163
Mfr. Part No.MMA02040C1003FB300
BrandVishay
HK$0.725
Each (In a Pack of 25)
units
100 kΩ Melf 0204 Thin Film ±1% 0.25W ±50ppm/°C - - - - - MMA0204 -55°C +125°C
RS Stock No. 679-0314
Mfr. Part No.CRCW06033K32FKEA
BrandVishay
HK$0.124
Each (In a Pack of 50)
units
3.32 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 224-0294
Mfr. Part No.3520150RJT
HK$1.204
Each (In a Pack of 10)
units
150 Ω 2512 (6432M) Thick Film ±5% 1W ±200ppm/°C - - - - - 3520 -55°C +125°C
RS Stock No. 169-4693
Mfr. Part No.CRCW0805470KFKEA
BrandVishay
HK$186.72
1 Reel of 5000
Reel(s)
470 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 763-7189
Mfr. Part No.Y14870R05000B9R
HK$60.33
Each
units
50 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
RS Stock No. 169-4372
Mfr. Part No.CRCW06033K32FKEA
BrandVishay
HK$0.027
Each (On a Reel of 5000)
units
3.32 kΩ 0603 (1608M) Thick Film ±1% 0.1W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 117-947
Mfr. Part No.RMC1/10K222FTP
BrandKamaya
HK$1.706
Each (In a Pack of 100)
units
2.2 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - RMC -55°C +155°C
RS Stock No. 169-1565
Mfr. Part No.ERA2AEB301X
BrandPanasonic
HK$3,980.00
1 Reel of 10000
Reel(s)
300 Ω 0402 (1005M) Metal Film ±0.1% 0.063W ±25ppm/°C AEC-Q200 - - - - ERA -55°C +155°C
RS Stock No. 812-3394
Mfr. Part No.CRCW0805150RFKEAHP
BrandVishay
HK$16.33
1 Tape of 25
Tape(s)
150 Ω 0805 (2012M) Thick Film ±1% 0.5W ±100ppm/K - - - - - CRCW -55°C +155°C
RS Stock No. 847-0182
Mfr. Part No.WSL2512R2500FEK
BrandVishay
HK$5.83
Each
units
250 mΩ 2512 (6432M) Metal Strip ±1% 1W ±75ppm/°C - - - - - WSL -65°C +170°C
RS Stock No. 679-1112
Mfr. Part No.CRCW080522R0FKEA
BrandVishay
HK$0.136
Each (In a Pack of 50)
units
22 Ω 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 168-8163
Mfr. Part No.MMA02040C1003FB300
BrandVishay
HK$523.11
1 Reel of 3000
Reel(s)
100 kΩ Melf 0204 Thin Film ±1% 0.25W ±50ppm/K AEC-Q200 - - - - MMA -55°C +125°C
RS Stock No. 164-4818
Mfr. Part No.3521220RFT
HK$3,978.00
1 Reel of 4000
Reel(s)
220 Ω 2512 (6432M) Thick Film ±1% 2W ±100ppm/°C - - - - - 3521 -55°C +155°C
RS Stock No. 169-1072
Mfr. Part No.ERJ3RED1203V
BrandPanasonic
HK$575.26
1 Reel of 5000
Reel(s)
120 kΩ 0603 (1608M) Thick Film ±0.5% 0.1W ±100ppm/°C AEC-Q200 - - - - ERJ -55°C +125°C
RS Stock No. 683-6606
Mfr. Part No.WSL2512R2500FEA
BrandVishay
HK$4.58
Each (In a Pack of 5)
units
250 mΩ 2512 (6432M) Metal Strip ±1% 1W ±75ppm/°C - - - - - WSL -65°C +170°C
RS Stock No. 679-1424
Mfr. Part No.CRCW0805470KFKEA
BrandVishay
HK$0.227
Each (In a Pack of 50)
units
470 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 679-1351
Mfr. Part No.CRCW08053K30FKEA
BrandVishay
HK$0.38
Each (In a Pack of 50)
units
3.3 kΩ 0805 (2012M) Thick Film ±1% 0.125W ±100ppm/°C - - - - - CRCW -55°C +155°C
RS Stock No. 180-3712
Mfr. Part No.MMA02040C1003FB300
BrandVishay
HK$0.226
Each (On a Reel of 500)
units
100 kΩ Melf 0204 Thin Film ±1% 0.25W ±50ppm/K AEC-Q200 - - - - MMA -55°C +125°C
RS Stock No. 182-5272
Mfr. Part No.CRCW08053K30FKEA
BrandVishay
HK$0.101
Each (On a Reel of 1000)
units
- - - - - - - - - - - - - -
RS Stock No. 684-1649
Mfr. Part No.Y14870R10000B9R
HK$52.71
Each
units
100 mΩ 2512 (6432M) Metal Strip ±0.1% 1W ±15ppm/°C - - - - - CSM -65°C +170°C
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