CTD-2425 Crydom - Solid State Relay

CTD-2425 Description

Crydom CTD-2425 is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the CTD-2425, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Crydom CTD-2425 is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.

Key Specifications

Crydom CTD2425 is a 25 A panel-mount solid state relay with TRIAC output (Series CT, 24-280 VAC), zero voltage switching, internal snubber, DC control 3-32 VDC. Source: Crydom Series CT datasheet (1995, scanned). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	24-280 Vrms
Load current range	0.25-25 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	250 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Thermal resistance junction to case (Rjc)	1.1 °C/W
Maximum I²t for fusing (8.3 ms)	260 A²s
Maximum off-state leakage @ rated voltage	10 mA
Minimum off-state dv/dt	200 V/µs
Input
Control voltage range	3-32 VDC
Turn-on / turn-off voltage	3.0 / 1.0 VDC
Typical input current	7 mA @ 5 VDC
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input/output	4000 Vrms

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