L522F Crydom - Power Transistor Module
L522F Description
Crydom makes the L522F, a 240 V, 25 A solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.
USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the L522F and we will reply with price, condition and lead time. Please check the manufacturer's datasheet to confirm ratings, package and pin-out before you order.
Summary of Features
Crydom L522F is an L Series low-profile PCB-mount SCR/diode power module, 25 A, circuit type 2, 240 VAC line, with free wheeling diode.
Target Applications
Crydom L522F 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 L522F is an L Series low-profile PCB-mount SCR/diode power module, 25 A, circuit type 2, 240 VAC line, with free wheeling diode. Source: Crydom L 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 | 2 (see datasheet schematic) |
| Maximum voltage drop (VF) | 1.65 V @ 25 A |
| Maximum non-repetitive surge current (1/2 cycle, 60 Hz) | 300 A |
| Maximum I²t for fusing (8.3 ms) | 375 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) | 0.5 oz (14.4 g) |
Technical document (PDF) | Request a quote for L522F (reply within 24 hours)

