High Power and Ultra-High Power Resistor Brands and Series Recommendations

High Power and Ultra-High Power Resistor Brands and Series Recommendations

I. International Brands

1. Bourns

Bourns offers a comprehensive high-power resistor portfolio covering multiple package types from SMD to flange-mounted designs.

• BRF Series (Precision Power Foil Resistors) : Designed for high-energy pulse applications, featuring up to 2500 W power rating and TCR as low as ±15 ppm/°C. Available in 2-terminal and 4-terminal options with terminal current rating up to 150 A. Suitable for power converters, battery energy storage systems, industrial power supplies, inverters, and motor drives.

• PF2472 Series (TO-247 Thick Film Resistors) : Delivers up to 100 W with heatsink, maximum operating voltage of 700 V, resistance range 0.1 Ω to 20 kΩ, tolerance ±1%, ultra-low inductance <50 nH.

• PF2270 Series (TO-227 Thick Film Resistors) : Dissipates up to 300 W with heatsink, resistance range 100 mΩ to 100 kΩ, operating temperature up to +175 °C.

• PSD Series (TO-Package Power Resistors) : Available in TO-126, TO-220, TO-227, and SMD DPAK packages, power ratings from 25 W to 200 W.

• PWR Series (SMD Wirewound Resistors) : Includes PWR6927/8030/8937/A247/B053 models, up to 10 W power rating with high pulse withstand capability.

• CHP-Q Series (Automotive Ultra-High Power Chip Resistors) : AEC-Q200 compliant, five sizes from 0603 to 1206, power ratings 0.33 to 0.75 W.

2. Vishay

• DCRF Series (Direct Water-Cooled Wirewound Resistors) : Delivers up to 9000 W power dissipation in six compact sizes from 38 mm × 178 mm to 38 mm × 410 mm.

• RX Series (High-Power Flanged Resistors) : Input power range 20 W to 1200 W, flange mount, resistance range 10 Ω to 1 kΩ, tolerance ±5%.

• RCEC2000 Series (Thick Film Power Resistors) : Scheduled for Q3 2026 release, 2000 W power rating.

• CRCW-HP e3 Series (Pulse-Proof High-Power Thick Film Chip Resistors) : 0603 package rated at 0.25 W, equivalent to standard 1206 power level.

3. TE Connectivity

• BDS Series (Thick Film High-Power Resistors) : Delivers 1000 W and 2000 W power dissipation in a 76 mm × 76 mm easy-mount case, resistance range 500 mΩ to 1000 Ω.

• HS Series (Aluminum-Housed Power Resistors) : Designed for direct heatsink mounting.

4. Ohmite

• 270 Series (Vitreous Enamel Power Resistors) : Power ratings from 12 W to 1000 W with lug terminals.

• 280 Series (Corrib Fixed/Adjustable Resistors) : Designed for motor starting and dynamic braking applications.

• TAP650 Series : Delivers 650 W for power conditioning and control applications.

• ALX Series (Thin Film Chips) : Up to 6 W power dissipation in 1206 and 2512 packages.

5. ARCOL (now part of Ohmite)

• HS Series (Aluminum-Housed Resistors) : MIL 18546 and IEC 115 compliant, power range 10 W to 300 W.

• AP101 Series (TO-247 High-Power Resistors) : 100 W, resistance range 0.005 Ω to 100 kΩ.

6. KOA

• BGRV / BSRV / BWRV Series : Designed for high inrush currents in EV pre-charge and discharge circuits.

• WK73S Series (Wide Terminal Chip Resistors) : High-power long-side electrode resistors, up to 3 W, AEC-Q200 compliant.

II. Domestic Brands

1. UNI ROYAL

• HP Series (High-Power Thick Film Chip Resistors) : Covers 0402 to 2512 packages, AEC-Q200 compliant options available.

• SP Series (Ultra-High Power Thick Film Chip Resistors) : Includes SP10, SP12, SP17, SP20, SP27, up to 6 W power rating.

• HQ Series (Automotive High-Power Resistors) : AEC-Q200 compliant.

2. FOJAN

• FCM Series (Bare-Chip High-Power Alloy Resistors) : Covers 2512, 3920, 5930 packages, power rating 3 W to 15 W, resistance 0.1 mΩ to 5 mΩ. TCR as low as ±50 ppm/°C,精度 ±0.5%, AEC-Q200 compliant.

3. Ever Ohms

• CRH Series (High-Power Thick Film Chip Resistors) : 2512 standard package, 2 W power rating at 70 °C, short-term overload up to 5 W.

Shenzhen Shunhai Technology Co., Ltd. is an authorized distributor of Ever Ohms, maintaining long-term inventory of CRH series and other high-power resistor products. Huanian Mall is the official online authorized platform of Ever Ohms, offering the full product line with real-time inventory inquiry, tiered pricing, and datasheet downloads.

III. Selection Guide

The brands and series listed above cover the full power spectrum from watt-level SMD resistors to kilowatt-level flanged/water-cooled resistors. Engineers should consider actual power requirements, package constraints, thermal solutions, and cost budgets when selecting. Shenzhen Shunhai Technology Co., Ltd. and Huanian Mall both provide genuine products and technical support for selected brands above.