Beijing Silk Road Enterprise Management Services Co., Ltd.
                                                                                                           
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Alloy patch resistor JIERR RE2512F3R020 featuring ultra low resistance values and rated power of 2W to 4W

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Product Description

Product Overview

High-power alloy patch resistors designed for current sensing applications. Featuring ultra-low resistance values, excellent temperature coefficient characteristics, and high power ratings up to 3W. Suitable for SMD mounting and compliant with AEC-Q200 standards, RoHS, and REACH certifications. Ideal for automotive electronics, power supplies, battery chargers, and consumer electronics.

Product Attributes

  • Product Type: Alloy Patch Resistor
  • Certifications: AEC-Q200, RoHS, REACH

Technical Specifications

SizeTypeRated Power (W)Resistance ToleranceResistance Range (m)MaterialTCR (ppm/)Operating Temperature RangeInsulation Resistance
2512Large Electrode2W/3WF:1%, G:2%, J:5%<0.45m (R000)MnCu350ppm/-55~+170100M
2512Small Electrode3W/4WF:1%, G:2%, J:5%0.5mR4m (R0005 to R004)MnCu50ppm/
2512Small Electrode2W/3WF:1%, G:2%, J:5%1mR220m (R001 to R220)MnCu350ppm/ (1mR1.5m)
50ppm/ (2mR150m)
-55~+170100M
2512Small Electrode2WF:1%, G:2%, J:5%220mR500m (R220 to R500)CuNi (150mR220m)
CuNi (220mR400m)
Kama (400mR500m)
50ppm/
1206EmbossN/AN/AN/AN/AN/AN/AN/A
0805EmbossN/AN/AN/AN/AN/AN/AN/A
SizeTypeLength L(mm)Width W(mm)Thickness T(mm)Electrode Width E(mm)
2512Large Electrode6.40.23.20.20.80.082.20.2
2512Small Electrode6.40.23.20.20.80.081.00.2
ItemTest MethodConditionsSpecification
Short Time OverloadIEC60115-1 4.13Applied 5.0 times of rated power for 5 seconds.R% 1%
Temperature CoefficientIEC60115-1 4.8Resistance at room temperature, +125 or +155.Refer to Spec.
Temperature CyclingJESD22 Method JA-1041000 Cycles (-55 to +125). Measurement 244 hours after test conclusion.R% 1%
High Temperature ExposureMIL-STD-202 Method 1081000 hrs @ T=125. Measurement 244 hours after test conclusion.R% 1%
Low Temperature OperationIEC60115-1 4.23.445 min. @ T=-55. Measurement after test conclusion.R% 1%
Biased HumidityMIL-STD-202 METHOD 1031000 hours 85/85%RH. 10% of operating power. Measurement 244 hours after test conclusion.R% 1%
SolderabilityJ-STD-002B test BDip into soldering bath at 245 5 for 2~3 sec.Min 95% coverage
Operational LifeMIL-STD-202 METHOD 108702, rated current for 1.5H, rest for 0.5H, repeated for 1000 +48/-0 hours.R% 1%
Resistance to VibrationMIL-STD-202 METHOD 2045g's for 20min, 12 cycles, 10-2000Hz.R% 1%
Resistance to Solder HeatIEC60115-1 4.18Dip into soldering bath at 260 5 for 101 sec.R% 1%
Terminal BendingAEC-Q200-005Min 2mm deflection, 60 sec.R% 1%
Mechanical ShockMIL-STD-202 METHOD 213100g's, 6ms, half sine shock pulse.R% 1%
Terminal StrengthAEC-Q200-006Applied 17.7N (1.8Kg) for 601 seconds.R% 1%
Thermal ShockMIL-STD-202 METHOD 107-55/+125, 300 cycles, 20 seconds max transfer time, 15 minutes dwell time.R% 1%
FlammabilityUL-94V-0 or V-1 acceptable. Electrical test not required.N/A
ESD TestAEC-Q200-0022KV, 2 times/1s.R% 1%

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Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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