B653-2 Crydom - Power Transistor Module
B653-2 Description
Crydom makes the B653-2, a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.
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Summary of Features
Crydom B653-2 is a B-2 Series power module (B6, 42.5 A), circuit type 5, 280 VAC line, case with isolation barriers, for AC or DC variable voltage output.
Target Applications
Crydom B653-2 is used for AC/DC power conversion and control: controlled rectifiers, DC motor drives, heater and power control, battery chargers and power supplies.
Key Specifications
Crydom B653-2 is a B-2 Series power module (B6, 42.5 A), circuit type 5, 280 VAC line, case with isolation barriers, for AC or DC variable voltage output. Source: Crydom B-2T, B-2 Series datasheet (Rev 121411). Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Maximum DC output current (Tc = 85°C) | 42.5 A |
| AC line input voltage | 280 Vrms (800 VRRM) |
| Circuit type | 5 (see datasheet schematic) |
| Maximum voltage drop (VF) | 1.65 V @ 42.5 A |
| Maximum non-repetitive surge current (1/2 cycle, 60 Hz) | 600 A |
| Maximum I²t for fusing (8.3 ms) | 1500 A²s |
| Critical rate of rise of on-state current (Tj = 125°C) | 100 A/µs |
| Critical rate of rise of off-state voltage | 500 V/µs |
| Gate trigger current / voltage (25°C) | 80 mA / 3.0 V |
| Average gate power | 0.5 W |
| Maximum peak reverse gate voltage | 5.0 V |
| Maximum thermal resistance, junction to ceramic base per chip | 0.7 °C/W |
| Operating junction temperature | -40 to 125°C |
| Isolation voltage | 2500 Vrms |
| Weight (typical) | 1.5 oz (42.5 g) |
Technical document (PDF) | Request a quote for B653-2 (reply within 24 hours)

