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Bourns PWR221T30R100J TO-220 Power Resistor

The Bourns PWR221T-30 Series is a TO-220 style power resistor designed for demanding applications. Constructed using thick film on alumina ceramic technology, it delivers robust performance and reliability. This resistor is well-suited for current limiting, capacitor discharge, and current measurement circuits in power supplies for telecom and industrial applications. Its AEC-Q200 compliance makes it suitable for automotive environments, ensuring high-quality performance under varying conditions. The resistor offers a power rating of 30W and a wide range of resistance values, making it a versatile choice for various circuit designs.

Authorized Distributors
Source:DigiKey
Part No:PWR221T-30-R100J
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.1148
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Part No:PWR221T-30-R100J
Stock:302
Inv Date:05-29-2026
Price: Unit price: $9.22
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Part No:PWR221T-30-R100J
Stock:378
Inv Date:05-28-2026
Price: Unit price: $3.34
Buy/RFQ:
Part No:PWR221T-30-R100J
Stock:378
Inv Date:05-28-2026
Price: Unit price: $3.34
Buy/RFQ:

Bourns PWR221T30R100J TO-220 Power Resistor Specifications:

  • Resistance: 0.02Ω to 130KΩ
  • Power Rating @ 25˚C Case Temperature: 30W
  • Tolerance: ±1%, ±5%
  • TCR (0.100Ω<R<130.0KΩ): ±100 PPM/˚C
  • TCR (0.050Ω<R<0.100Ω): ±300 PPM/˚C
  • TCR (0.020 Ω<R<0.050 Ω): ±600PPM/˚C
  • 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 (2x Pr for R < 2Ω,<br>1.6x Pr for R≥2Ω,V<1.5xOperatingVoltage): ΔR ±0.25 %
  • Load Life (2000 hours at rated power): ΔR ±1.0 %
  • Thermal Shock (-55˚C to 155˚C, 5 cycles): ΔR ±0.5 %
  • Resistance to Soldering Heat (10 seconds at 270˚C): ΔR ±0.5 %
  • Vibration (20 G 10-2000Hz .06” D.A.): ΔR ±0.25 %
  • Terminal Strength (MIL-STD-202, Method 211 Test A1): ΔR ±0.2 %
  • Shock (Saw Tooth: 100 g/6ms): ΔR ±0.5 %
  • Humidity (Steady State) 1000hrs.85°C/85 %RH: ΔR ±0.5 %
  • High Temperature Exposure (100hrs- 40 %Pr@+125°C): ΔR ±0.5 %
  • 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
  • Moisture Sensitivity Level: 1
  • ESD Classification (HBM): 3B
  • Packaging: 50 pcs./tube

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