Automotive IGBT Gate Resistor | Thin Film Resistor Manufacturer | FIRSTOHM

The gate resistors can decide the IGBT switching time and losses, EMI, dv/dt, di/dt…, It has to be selected and optimized very carefully by the individual application parameters. The gate resistors must meet certain performance requirements and have certain features in order to withstand the substantial load that occurs in the application. FIRSTOHM is a high performance MELF resistors, SMD resistors, metal film resistors, surge resistors, wire wound resistors, precision resistors, High voltage resistors, high Power resistors, metal oxide resistor, thin film resistors, fixed resistors manufacturer from Taiwan since 1969. FIRSTOHM is one of the few companies who is able to design thin-film MELF resistors according to customer's requirements with high quality and reliability. We’re specialized in thin-film resistors since 1969, ISO9001/14001 certificated manufacturer. Over 50 years of industry experience for resistors design and manufacturing facility.

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The gate resistors (Rg) control IGBT switching ON/OFF | Automotive-Grade Resistors Manufacturer | FIRSTOHM

Gate resistor of IGBT driver on Electric Vehicle | More than 50 years of resistor manufacture experience

Gate resistor of IGBT driver on Electric Vehicle

Automotive IGBT Gate Resistor

The gate resistors (Rg) control IGBT switching ON/OFF

The gate resistors can decide the IGBT switching time and losses, EMI, dv/dt, di/dt…, It has to be selected and optimized very carefully by the individual application parameters.
The gate resistors must meet certain performance requirements and have certain features in order to withstand the substantial load that occurs in the application.


Circuit of IGBT Gate Resisto

The following shows the main key features of a gate resistor as the best suitable resistor.

KEY Features of SFP(V) :
✓ AEC-Q200 Compliant.
✓ Low temperature coefficient and tolerances.
✓ Excellent stability in different environmental conditions.
✓ Superior power handling & surge proof.
✓ Lead (Pb)-free and RoHS-compliant.
General Specification
Type Power Rating (at 70℃) Maximum Working Voltage Maximum Overload Voltage Minimum Resistance Maximum Resistance Resistance Tolerance
MM204V 1/4W 200V 400V 0.47Ω 10MΩ ±1%~±5%
MM52V 1/2W 300V 500V 0.47Ω 10MΩ ±1%~±5%
SFP204V 0.4W 200V 400V 0.22Ω 1MΩ ±1%~±5%
SFP101V 1W 350V 700V 0.5Ω 1MΩ ±1%~±5%
SFP201V 2W 400V 800V 0.5Ω 1MΩ ±1%~±5%
SFP301V 3W 400V 800V 0.5Ω 1MΩ ±1%~±5%
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Metal Film MELF Resistor, Vehicle Grade
Metal Film MELF Resistor, Vehicle Grade

AEC-Q200 compliance, superior reliability and stability, excellent in heat dissipation than chip resistor and stronger mechanical structure to endure vibration...

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Vehicle Grade Stabilized Film Power MELF Resistor
Vehicle Grade Stabilized Film Power MELF Resistor

AEC-Q200 certificated. The specification is disigned by tight tolerance and excellent stability after long term usage.

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Automotive IGBT Gate Resistor | Surge Resistant MELF Resistor Manufacturer | FIRSTOHM

Located in Taiwan since 1969, First resistor & condenser Co. Ltd. has been a manufacturer of MELF resistors manufacturer. Their main thin film MELF resistors include, automotive grade resistors, surface mount resistors, fusible resistors, SMD resistors, chip resistors, fixed resistors and fusible thin film resistors, which are being widely used in industrial applications such as power supply, smart meter, solar inverter, energy storage device, electric vehicle, communication equipment, and medical device.

FIRSTOHM is one of the few companies who is able to design thin-film MELF resistors according to customer's requirements with high quality and reliability. We’re specialized in thin-film resistors since 1969, ISO9001/14001 certificated manufacturer.

FIRSTOHM has been providing customers with high quality carbon film and metal film resistors since 1969, with both advanced technology and 50 years of experience, FIRSTOHM ensures that each customer's demands are met.