Bridge Rectifier Diode 35A 1000V for Air Conditioner and Welding Machine

$4.58 USD

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GBPC3510W Single-Phase Bridge Rectifier — 35A 1000V, 2pcs, Air Conditioner & Welding Machine

The GBPC3510W is a single-phase full-wave bridge rectifier module rated at 35A continuous forward current and 1000V peak repetitive reverse voltage (VRRM), in a GBPC (bolt-down) package with wire leads. It converts single-phase AC input to DC output using four internal rectifier diodes in a full-wave bridge configuration. Widely used in air conditioner compressor drive circuits, electric welding machine power supplies, industrial motor drives, and high-current DC power supplies. Supplied as a 2-piece pack.

Technical Specifications

Parameter	Symbol	Value
Average Forward Current	I_F(AV)	35A
Peak Repetitive Reverse Voltage	V_RRM	1000V
Peak Forward Surge Current	I_FSM	400A (8.3ms)
Forward Voltage Drop	V_F	1.1V per diode at rated current
Operating Temperature	T_J	−40°C to +150°C (junction)
Package	—	GBPC (bolt-down, wire leads)
Pack Quantity	—	2pcs
Certification	—	CE, RoHS

DC Output Reference

AC Input (RMS)	DC Output (No Load)	Application
220V AC	~311V DC	Air conditioner compressor VFD DC bus
110V AC	~155V DC	North American 110V equipment
36V AC	~50V DC	Welding machine output rectifier
24V AC	~34V DC	Industrial power supply

Typical Applications

Air Conditioner: Rectifier bridge in split-type and window air conditioner compressor drive circuits, converting 220V AC mains to DC bus for the inverter drive
Electric Welding Machine: Output rectifier in MMA (stick) and MIG welding machine power supplies for AC-to-DC conversion of the transformer secondary output
Industrial Motor Drive: Input rectifier in variable frequency drive (VFD) and servo drive power stages for single-phase 220V input applications
Industrial Power Supply: High-current AC-to-DC rectifier for industrial DC power supplies, battery chargers, and electroplating power supplies
UPS Systems: Rectifier bridge in single-phase UPS and power conditioning equipment

Installation Notes

Mount the GBPC3510W to a heatsink using thermal compound and an M4 bolt for adequate heat dissipation at rated current
Connect AC input to the two AC terminals (marked ∼) and DC output from the + and − terminals
Add a bulk electrolytic capacitor across DC+ and DC− to reduce output ripple
Ensure heatsink thermal resistance is adequate to keep junction temperature below 150°C at rated load

FAQ

Q: Does the GBPC3510W require a heatsink?
A: Yes. At rated 35A current, the GBPC3510W dissipates approximately 77W (4 diodes × 1.1V × 17.5A each). A heatsink with thermal resistance ≤1.5°C/W is required for full-load operation.