CYNA25-1000 Crydom - SCR (Thyristor)

CYNA25-1000 Description

The CYNA25-1000 from Crydom is a solid state relay with a 1000 V / 25 A rating. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the CYNA25-1000, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom CYNA25-1000 is used for controlled rectification and AC phase control in motor drives, heater control, power supplies, battery chargers and crowbar protection.

Key Specifications

Crydom CYNA25-1000 is a 25 A, 1000 V SCR (thyristor) in a TO-220AB isolated package. Source: Crydom CYNA/CYNB25 SCR datasheet. Values at 25°C unless noted.

Parameter	Value
RMS on-state current	25 A (Tc = 75°C)
Average on-state current	16 A (Tc = 75°C)
Repetitive peak off-state voltage (VDRM/VRRM)	1000 V
Non-repetitive surge peak on-state current	320 A (50 Hz) / 350 A (60 Hz)
I²t for fusing (10 ms)	510 A²s
Gate trigger current IGT (max, VD = 12 V)	40 mA
Holding current IH (max)	50 mA
Critical rate of rise of off-state voltage dv/dt (min, Tj = 125°C)	1000 V/µs
On-state voltage VTM (max)	1.6 V @ ITM = 50 A
Thermal resistance junction to case	1.9 °C/W
Isolation voltage	2500 Vrms
Operating junction temperature	-40 to 125°C
Package	TO-220AB isolated

Technical document (PDF)  |  Request a quote for CYNA25-1000 (reply within 24 hours)