B512-2T Crydom - Power Transistor Module
Also written as: B5122T
B512-2T Description
Crydom makes the B512-2T, a solid state relay. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.
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Summary of Features
Crydom B512-2T is a B-2T Series power module (B5, 25 A), circuit type 1, 240 VAC line, standard case, for AC or DC variable voltage output.
Target Applications
Crydom B512-2T 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 B512-2T is a B-2T Series power module (B5, 25 A), circuit type 1, 240 VAC line, standard case, 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) | 25 A |
| AC line input voltage | 240 Vrms (600 VRRM) |
| Circuit type | 1 (see datasheet schematic) |
| Maximum voltage drop (VF) | 1.65 V @ 25 A |
| Maximum non-repetitive surge current (1/2 cycle, 60 Hz) | 250 A |
| Maximum I²t for fusing (8.3 ms) | 260 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) | 60 mA / 2.5 V |
| Average gate power | 0.5 W |
| Maximum peak reverse gate voltage | 5.0 V |
| Maximum thermal resistance, junction to ceramic base per chip | 0.9 °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 B512-2T (reply within 24 hours)
Related Part Numbers
| B531-2T 1.65V, 100A | B532-2T 240V / 25A | B533-2T 1.65V, 100A | B544-2T 1.65V, 100A |
| B551-2T 1.65V, 100A | B552-2T 1.65V, 100A | B554-2T 1.65V, 100A | B611-2T 1.65V, 100A |
| B512-2 | B512-2T-YDA | B512F-2 | B512F-2-YEC |
| B512F-2T | B512F-2T-8511 | B512F-2T-YDA | B512F-2T-YEA |

