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Bourns PWR221T302R20J TO-220 Power Resistor
The Bourns PWR221T-30 series power resistor is a robust solution for demanding applications requiring high power dissipation and reliability. Constructed with thick film on alumina ceramic technology, these resistors are housed in a TO-220 package and offer a power rating of 30W. They are AEC-Q200 compliant, ensuring suitability for automotive environments, and RoHS compliant. Common applications include power supplies, motor drives, and test and measurement equipment where current limiting, capacitor discharge, or current measurement are required. The resistor's low inductance and thermal resistance contribute to efficient heat dissipation and stable performance.
Bourns PWR221T302R20J TO-220 Power Resistor Specifications:
- Resistance: 0.02Ω to 130KΩ
- Power Rating @25˚C CaseTemperature: 30W
- Tolerance: ±1%, ±5%
- TCR: ±100 PPM/˚C (0.100Ω<R<130.0KΩ), ±300 PPM/˚C (0.050Ω<R<0.100Ω), ±600PPM/˚C (0.020 Ω<R<0.050 Ω)
- Thermal Resistance- Rthj: 4.2 ˚C/W
- Inductance: 0.1µH maximum
- Operating Voltage: √P*R with a maximum of 250V
- Dielectric Strength: 2 KV AC
- Insulation Resistance: 10 GΩ
- Operating Temperature: -55˚C to +150˚C
- Short Term Overload: ΔR ±0.25 % (2x Pr for R < 2Ω, 1.6x Pr for R≥2Ω, V<1.5xOperatingVoltage)
- Load Life: ΔR ±1.0 % (2000 hours at rated power)
- Thermal Shock: ΔR ±0.5 % (-55˚C to 155˚C, 5 cycles)
- Resistance to Soldering Heat: ΔR ±0.5 % (10 seconds at 270˚C)
- Vibration: ΔR ±0.25 % (20 G 10-2000Hz .06” D.A.)
- Terminal Strength: ΔR ±0.2 % (MIL-STD-202, Method 211 Test A1)
- Shock: ΔR ±0.5 % (Saw Tooth: 100 g/6ms)
- Humidity: ΔR ±0.5 % (Steady State 1000hrs.85°C/85 %RH)
- High Temperature Exposure: ΔR ±0.5 % (100hrs- 40 %Pr@+125°C)
- Material Characteristics - Resistor: Thick film
- Material Characteristics - Substrate: Alumina (AL203)
- Material Characteristics - Housing: Epoxy
- Material Characteristics - Pins: Tinned Copper (Sn/Cu)
- Material Characteristics - Flammability: Conforms to UL-94V0
- Material Characteristics - Moisture Sensitivity Level: 1
- Material Characteristics - ESD Classification: 3B
- Packaging: 50 pcs./tube
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Frequently Asked Questions
Where can I buy Bourns PWR221T302R20J?
You can click on the BUY or RFQ button to purchase PWR221T302R20J from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part PWR221T302R20J?
You can download the PWR221T302R20J datasheet or visit the Bourns website for support.
Who is the manufacturer of PWR221T302R20J?
Bourns