L411FCrydom - Power Transistor Module
L411F Description
The Crydom L411F is a power semiconductor module rated at 120 V and 20 A. Typical applications for this type of component include motor drives, power conversion and industrial control equipment.
USComponent specializes in sourcing power modules and industrial electronic components, including legacy and hard-to-find parts for repair and maintenance. Please confirm ratings, package and pin-out against the manufacturer's datasheet before ordering, and request a quote for current pricing and lead time on the L411F.
Summary of Features
Crydom L411F is a Series L SCR/diode power module (ceramic base), L4 (20 A), circuit 1, 120 VAC line (400 PIV), with free wheeling diode.
Target Applications
Crydom L411F 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 L411F is a Series L SCR/diode power module (ceramic base), L4 (20 A), circuit 1, 120 VAC line (400 PIV), with free wheeling diode. Source: Crydom Series L power modules datasheet (scanned). Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Maximum DC output current (Tc = 85°C, ceramic full bridge) | 20 A |
| Maximum output current (Tc = 85°C, circuit 5) | 22 Arms |
| AC line input voltage | 120 VAC (400 PIV) |
| Circuit | 1 (see datasheet diagram) |
| Maximum SCR voltage drop | 2.2 V @ 20 A |
| Maximum holding current | 100 mA |
| Critical rate of rise of on-state current (Tj = 125°C) | 100 A/µs |
| Critical rate of rise of off-state voltage (Tj = 125°C) | 200 V/µs |
| Maximum non-repetitive surge current | 250 A |
| Maximum I²t for fusing (8.3 ms) | 260 A²s |
| Maximum required gate current / voltage to trigger (25°C) | 100 mA / 2.5 V |
| Maximum peak gate current | 3.0 A |
| Maximum thermal resistance to sink | 0.1 °C/W |
| Typical thermal resistance junction to ceramic base per device | 0.5 °C/W |
| Operating junction temperature | -25 to 125°C |

