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Precision Resistor Isabellenhuette SMT-R025-1.0 for in Switch Mode Power Supplies and Control Systems

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Precision Resistor Isabellenhuette SMT-R025-1.0 for in Switch Mode Power Supplies and Control Systems

Power(Watts) : 7W

Resistance : 25mΩ

Temperature Coefficient : ±50ppm/K

Operating Temperature : -55℃~+170℃

Tolerance : ±1%

Description : 7W 25mΩ ±50ppm/K ±1% 2817 Chip Resistor - Surface Mount RoHS

Mfr. Part # : SMT-R025-1.0

Model Number : SMT-R025-1.0

Package : 2817

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Product Overview

The ISA-PLAN 2817 is a precision Surface Mount Technology (SMT) resistor designed for demanding power hybrid applications. It offers excellent long-term stability, high pulse power handling, and is AEC-Q200 qualified. Ideal for control systems in the automotive market, power modules, frequency converters, and switch mode power supplies, this resistor provides reliable current sensing up to 35 A with a low resistance of 4 mOhm.

Product Attributes

  • Brand: ISA-PLAN
  • Manufacturer: Isabellenhtte Heusler GmbH & Co. KG
  • Mounting Type: SMT (Surface Mount Technology)
  • Soldering Methods: Reflow-soldering, IR-soldering
  • Certifications: AEC-Q200 qualified, RoHS 2011/65/EU compliant
  • Material: Manganin resistors (implied by temperature dependence graph title)

Technical Specifications

Specification Details
Product Series ISA-PLAN
Resistor Type Precision Resistors SMT
Size 2817
Power Rating (P105 C) 5 W for < 1 ; 3 W for 1
Power Rating (P70 C) 7 W for < 1 ; 5 W for 1
Constant Current Rating Up to 35 A (at 4 mOhm)
Resistance Values 0.004 to 4
Tolerance 0.5%, 1%, 2%, 5%
Temperature Coefficient (20-60 C) <50 ppm/K for 10 m; <100 ppm/K for <10 m
Applicable Temperature Range -55 C to +170 C
Internal Heat Resistance (Rthi) <13 K/W for <1 ; <22 K/W for 1
Dielectric Withstanding Voltage 200 V AC/DC
Inductance <3 nH
Stability (at rated power, 2000h) <0.5% (TK = 75 C); <1.0% (TK = 105 C)
Recommended Soldering Temperature (Peak) 260 C (40 sec)
Recommended Soldering Temperature (Time @ 255 C) 90 sec
Recommended Soldering Temperature (Time @ 217 C) 40 sec
Tape Width 12 mm
Reel Size 13 inch
Parts per Reel 5000 pcs
Packaging Weight 494 g
Test Conditions (Temperature Cycling) 2000 cycles (-55 C to +150 C)
Resistance Change (Temperature Cycling) 0.5%
Test Conditions (Low Temperature Storage/Operation) -65 C for 24 h
Resistance Change (Low Temperature Storage/Operation) 0.1%
Test Conditions (Resistance to Soldering Heat) 260 C for 10 sec / 8h steam aging
Resistance Change (Resistance to Soldering Heat) 0.3%
Test Conditions (Moisture Resistance) MIL-STD-202 method 106
Resistance Change (Moisture Resistance) 0.1%
Test Conditions (Mechanical Shock) 100 g, 6 ms half sine
Resistance Change (Mechanical Shock) 0.1%
Test Conditions (Vibration, High Frequency) 20 g, 10-2000 Hz
Resistance Change (Vibration, High Frequency) 0.1%
Test Conditions (Operational Life) 2000 h, TK max at rated power
Resistance Change (Operational Life) 1.0%
Test Conditions (High Temperature Exposure) 2000 h / 170 C
Resistance Change (High Temperature Exposure) 1.0%
Test Conditions (Bias Humidity) +85 C, 85 r.F., 1000 h
Resistance Change (Bias Humidity) 0.5%

2410121805_Isabellenhuette-SMT-R025-1-0_C2688866.pdf


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