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Beijing Silk Road Enterprise Management Services Co., Ltd.

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China Current detecting flat chip resistor KOA SR732ATTDR470F low resistance type with
China Current detecting flat chip resistor KOA SR732ATTDR470F low resistance type with

  1. China Current detecting flat chip resistor KOA SR732ATTDR470F low resistance type with

Current detecting flat chip resistor KOA SR732ATTDR470F low resistance type with

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Power(Watts) 330mW
Resistance 470mΩ
Temperature Coefficient ±100ppm/℃
Operating Temperature -55℃~+150℃
Type Thick Film Resistor
Tolerance ±1%
Description 470mΩ ±1% 330mW 0805 Thick Film Resistor
Mfr. Part # SR732ATTDR470F
Package 0805
Model Number SR732ATTDR470F

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Product Specification

Power(Watts) 330mW Resistance 470mΩ
Temperature Coefficient ±100ppm/℃ Operating Temperature -55℃~+150℃
Type Thick Film Resistor Tolerance ±1%
Description 470mΩ ±1% 330mW 0805 Thick Film Resistor Mfr. Part # SR732ATTDR470F
Package 0805 Model Number SR732ATTDR470F

Product Overview

The SR73 series are low resistance flat chip resistors designed for current detection in power supply and motor circuits. They offer high reliability and performance with a resistance tolerance of 0.5% and a temperature coefficient of 10010-6/K. These resistors are suitable for both reflow and flow soldering and meet EU-RoHS requirements for lead-free termination. Many models are AEC-Q200 qualified.

Product Attributes

  • Brand: KOA (implied by www.koaglobal.com)
  • Product Line: SR73
  • Type: Low Resistance Flat Chip Resistors (Current Detecting Chip Resistors)
  • Certifications: EU-RoHS compliant (for lead-free termination), AEC-Q200 qualified (Exemption 1H)
  • Material: Ceramic substrate (Alumina)
  • Construction: Protective coating, Resistive film, Inner electrode, Ni plating, Solder plating
  • Coating Color: Black (1H), Indigo (1E, 1J, 2A, 2B, 2E, W2H, W3A, W3A2)
  • Reference Standards: IEC 60115-8, JIS C 5201-8, EIAJ RC-2134C

Technical Specifications

Type (Inch Size Code) Dimensions (mm) L x W x t Power Rating (W) Rated Ambient Temp. (C) Rated Terminal Part Temp. (C) Resistance Tolerance T.C.R. (10-6/K) Resistance Range () Taping & Qty /Reel (pcs) Weight (g/1000pcs)
1H (0201) 0.6 x 0.3 x 0.23 0.1 70 D:0.5%, F:1%, G:2%, J:5% 0+4000 (0+5000) 110 (0.2710, 0.180.24, 0.10.18) TCM: 15,000 0.14
1E (0402) 1.0 x 0.5 x 0.35 0.166 70 125 D:0.5%, F:1%, G:2%, J:5% 2000, 3000, 5000 0.5110.0 (0.20.47, 0.10.18) TPL: 20,000, TP: 10,000 0.68
1J (0603) 1.6 x 0.8 x 0.45 0.2 70 125 D:0.5%, F:1%, G:2%, J:5% 2000 1.110. (0.11) TP: 10,000, 5,000 2.14
2A (0805) 2.0 x 1.25 x 0.5 0.33 (0.5 5) 70 (70 5) 125 (105 5) D:0.5%, F:1%, G:2%, J:5% 1000, 2000, 5000, 8000 0.1510 (0.110., 0.0510.091, 0.030.047) TP: 10,000, 5,000, 4,000 4.54
2B (1206) 3.2 x 1.6 x 0.6 0.33 (0.5 5) 70 (70 5) 125 (110 5) D:0.5%, F:1%, G:2%, J:5% 1000, 2000, 5000, 8000 0.1510 (0.110., 0.0560.091, 0.030.051) 5,000, 4,000 9.14
2E (1210) 2.6 x 1.6 x 0.6 0.5 (0.66 5) 70 (70 5) 125 (110 5) D:0.5%, F:1%, G:2%, J:5% 1000, 2000, 5000, 1000 0.110. (0.04710.00, 0.0360.043, 0.0240.033) 5,000, 4,000 15.50
W2H (2010) 5.0 x 2.5 x 0.65 0.75 70 125 D:0.5%, F:1%, G:2%, J:5% 1000, 2000, 5000, 8000 0.110. (0.110., 0.0560.091, 0.0330.051) 4,000 24.30
W3A (2512) 6.3 x 3.1 x 0.7 1.0 70 125 D:0.5%, F:1%, G:2%, J:5% 1000, 2000, 5000, 8000 0.110. (0.110., 0.0560.091, 0.0390.051) 4,000 37.10
W3A2 (2512) 6.3 x 3.1 x 0.7 2.0 95 D:0.5%, F:1%, G:2%, J:5% 1000, 2000, 5000, 8000 0.110. (0.110., 0.0560.091, 0.0390.051) 4,000 37.10

Applications

  • Current detecting resistors for power supply, motor circuits, etc.
  • Car electronics, Computers, HDDs, Cellular-telephones, Power supplies, and Motor circuits, etc.

Features

  • High reliability and performance with resistance tolerance 0.5%, T.C.R. 10010-6/K.
  • Suitable for both reflow and flow solderings.
  • Products with lead free termination meet EU-RoHS requirements.
  • AEC-Q200 qualified (Exemption 1H).

Derating Curve

For resistors operated at an ambient temperature of 70 or above, a power rating shall be derated in accordance with the derating curve. For resistors operated at terminal part temperature of described for each size or above, a power rating shall be derated in accordance with derating curve.

Precautions for Use

  • Cracks may occur at the solder connection due to thermal stress from differences in thermal expansion coefficients between the chip resistor substrate (alumina) and the mounting board, especially with larger types (W2H, W3A, W3A2) due to larger thermal expansion and self-heating. Design carefully when significant ambient temperature changes or load ON/OFF cycles are expected.
  • The resistance value after soldering may change depending on the size of the pad pattern or the amount of solder. Confirm the effect of resistance value changes before designing the equipment.

2410121322_KOA-SR732ATTDR470F_C186589.pdf

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer

  • Year Established:

    2009

  • Employee Number:

    >>300

  • Ecer Certification:

    Verified Supplier

Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an... Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...

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  • Beijing Silk Road Enterprise Management Services Co., Ltd.
  • 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
  • https://www.icpassive.com/

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