A53DP25D Crydom - Relays

A53DP25D Description

The A53DP25D is a solid state relay made by Crydom. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.

USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the A53DP25D 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

Target Applications

Crydom A53DP25D is used for three-phase switching of industrial heaters and furnaces, plastic processing machines, process heating and motor loads.

Key Specifications

Crydom A53DP25D is a two-phase panel-mount solid state relay (53DP Series, 2 controlled + 1 linked phase), 25 A per phase @ 48-530 VAC, SCR output, AC control 90-280 VAC, zero voltage turn-on, LED input indicator. The datasheet marks this series obsolete. Source: Crydom 53DP Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-530 Vrms
Maximum load current	25 Arms
Minimum load current	0.05 Arms
Transient overvoltage	1200 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)	1.02 °C/W
Maximum I²t for fusing (8.3 ms)	260 A²s
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Switching type	zero voltage turn-on
Input
Control voltage range	90-280 VAC
Minimum turn-on / turn-off voltage	90 / 10 Vrms
Typical input current	2.2 mA @ 120 Vrms, 4.4 mA @ 240 Vrms
Nominal input impedance	54.8 kOhm
Maximum turn-on / turn-off time	10 ms / 40 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	10.3 oz (315 g)

Technical document (PDF)  |  Request a quote for A53DP25D (reply within 24 hours)