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Bourns PWR221T304R00F TO-220 Power Resistor
Bourns PWR221T-30 series power resistors are designed for demanding applications requiring high power dissipation and reliability. These resistors, housed in a TO-220 package, leverage thick film technology on an alumina ceramic substrate to deliver robust performance. They are commonly used in power supplies for telecom and industrial applications, as well as in motor drives and test equipment. The resistors are AEC-Q200 compliant, ensuring suitability for automotive environments, and offer a power rating of 30W with low inductance and high thermal resistance. Available with ±1% or ±5% tolerance, these resistors provide a versatile solution for current limiting, capacitor discharge, and current measurement needs.
Bourns PWR221T304R00F 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 (HBM): 3B
- Packaging: 50 pcs./tube
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Frequently Asked Questions
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How do I troubleshoot issues or seek technical support for part PWR221T304R00F?
You can download the PWR221T304R00F datasheet or visit the Bourns website for support.
Who is the manufacturer of PWR221T304R00F?
Bourns