CTA30-800B Crydom - TRIAC

CTA30-800B Description

Crydom makes the CTA30-800B, 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 sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the CTA30-800B, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom CTA30-800B is used for AC switching and phase control in heaters, lighting dimmers, motor speed control, appliances and solid state relays.

Key Specifications

Crydom CTA30-800B is a 30 A, 800 V TRIAC in a TO-220AB isolated package, standard (4 quadrant) type. Source: Crydom CTA30/CTB35 TRIAC datasheet. Values at 25°C unless noted.

Parameter	Value
RMS on-state current (full sine wave)	30 A (Tc = 70°C)
Repetitive peak off-state voltage (VDRM/VRRM)	800 V
Type	Standard (4 quadrants)
Gate trigger current IGT (max, VD = 12 V)	50 mA (QI-III), 100 mA (QIV)
Holding current IH (max)	75 mA
Critical rate of rise of off-state voltage dv/dt (min, Tj = 125°C)	500 V/µs
Non-repetitive surge peak on-state current	335 A (50 Hz) / 350 A (60 Hz)
I²t for fusing (10 ms)	500 A²s
On-state voltage VT (max)	1.55 V @ ITM = 48 A
Thermal resistance junction to case	1.7 °C/W
Isolation voltage	2500 Vrms
Package	TO-220AB isolated

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