Bourns PWR263S-20 series power resistors are designed for demanding applications requiring high power dissipation and reliability. Manufactured using thick film on alumina ceramic technology, these resistors offer low inductance and excellent thermal performance. They are AEC-Q200 qualified, ensuring suitability for automotive applications, and RoHS compliant. Common uses include current measurement, snubber, bleeder, and discharge circuits in power supplies, motor drives, and test equipment. The resistor is electrically isolated from the backplate, enhancing safety and performance. Available in a range of resistance values, the PWR263S-20 series provides a versatile solution for various power management and circuit protection needs.
Bourns PWR263S205R60F Power Resistor Specifications:
Applications: Power supplies, Motor drives, Test and measurement, Rectifiers
Features: D [2] PAK housing, Low inductance, Resistor electrically isolated from the backplate, High power rating, Compatible with lead free solder reflow temperatures, AEC-Q200 qualified, RoHS compliant
Resistance: 0.02Ω to 130 KΩ
Power Rating @25˚C CaseTemperature: 20W
Tolerance: ±1%, ±5%
TCR: ±100PPM/˚C
Thermal Resistance- Rthj: 6.5˚C/W
Inductance: 0.1µH maximum
OperatingVoltage: √P*R with a maximum of 250V
Dielectric Strength: 2 KV AC
Insulation Resistance: 10 GΩ
OperatingTemperature: -55˚C to 155˚C
Short Term Overload: ΔR ±0.25 %
LoadLife: ΔR ±1.0 %
ThermalShock: ΔR ±0.5 %
Resistance to Soldering Heat: ΔR ±0.5 %
Vibration: ΔR ±0.25 %
Moisture SensitivityLevel: 1
Resistance Material: Thick film
Substrate Material: Alumina (AL203)
Housing Material: Epoxy
Pin Material: Tinned Copper (Sn/Cu)
Flammability: Conforms to UL-94V0
Packaging: Tape & Reel
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