Beijing Silk Road Enterprise Management Services Co., Ltd.
| Type | Thick Film Resistor |
| Resistance | 220mΩ |
| Power(Watts) | 50W |
| Temperature Coefficient | ±100ppm/℃ |
| Tolerance | ±1% |
| Operating Temperature | -55℃~+150℃ |
| Description | Thick Film Resistor 220mΩ 50W ±100ppm/℃ ±1% TO-220 Through Hole Resistors RoHS |
| Mfr. Part # | PWR221T-50-R220F |
| Package | TO-220 |
| Model Number | PWR221T-50-R220F |
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Product Specification
| Type | Thick Film Resistor | Resistance | 220mΩ |
| Power(Watts) | 50W | Temperature Coefficient | ±100ppm/℃ |
| Tolerance | ±1% | Operating Temperature | -55℃~+150℃ |
| Description | Thick Film Resistor 220mΩ 50W ±100ppm/℃ ±1% TO-220 Through Hole Resistors RoHS | Mfr. Part # | PWR221T-50-R220F |
| Package | TO-220 | Model Number | PWR221T-50-R220F |
The Bourns PWR221T-50 Series is a high-power resistor designed with a TO-220 style housing and a ceramic backplane, offering low inductance and a high power rating of 50W. Manufactured using thick film on alumina ceramic technology, this resistor is ideal for current limiting, capacitor discharge, and current measurement circuits. Its robust construction and RoHS compliance make it suitable for demanding applications in power supplies, motor drives, test and measurement equipment, and rectifiers within telecom and industrial sectors.
| Parameter | Value(s) |
|---|---|
| Resistance | 0.02 to 130 K (See Popular Resistance Values table) |
| Power Rating @ 25 C Case Temperature | 50 W(1) |
| Tolerance | 1%(2), 5% |
| Hot TCR (0.100 R 130.0 K) | 100 PPM/C |
| Hot TCR (0.050 R 0.100 ) | 300 PPM/C |
| Hot TCR (0.020 R 0.050 ) | 600 PPM/C |
| Thermal Resistance - Rthj | 2.5 C/W |
| Inductance | 0.1 H maximum |
| Operating Voltage | P*R with a maximum of 250 V |
| Dielectric Strength | 2 KV AC |
| Insulation Resistance | 10 G |
| Operating Temperature | -55 C to +150 C |
| Short Term Overload R | 0.25 % |
| Load Life (2000 hours at rated power) R | 1.0 % |
| Thermal Shock R | 0.5 % |
| Resistance to Soldering Heat R | 0.5 % |
| Vibration R | 0.25 % |
| Terminal Strength R | 0.2 % |
| Shock R | 0.5 % |
| Humidity (Steady State) R | 0.5 % |
| High Temperature Exposure R | 0.5 % |
| Power rating free to air (no heat sink) | 2.25 W(1) |
| Power dissipation on FR4 board @ 25 C | 2.8 W |
| Model Breakdown: PWR221T-50-10R0F | PWR = Power Resistor, 221 = TO-220 Style, T = Through-hole, 50 = 50 W, 10R0 = 10 , F = 1% Tolerance |
| Part Marking: | 221 50 R500 1% YYWW COSTA RICA (Example for R500, 1% tolerance) |
(1) Power rating of 2.25 W when mounted free to air (no heat sink).
(2) Available for most values. Check Popular Resistance Values table.
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>>300
Ecer Certification：
Verified Supplier
Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an... Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...
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