CTA24-1000B Crydom - TRIAC

CTA24-1000B Description

Crydom makes the CTA24-1000B, a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

Request a quote for the CTA24-1000B and our team will get back to you with price, quantity available and lead time. We ship worldwide. As with any power device, please check the manufacturer's datasheet to confirm it matches your design.

Summary of Features

Target Applications

Crydom CTA24-1000B is used for AC switching and phase control in heaters, lighting dimmers, motor speed control, appliances and solid state relays.

Key Specifications

Crydom CTA24-1000B is a 25 A, 1000 V TRIAC in a TO-220AB isolated package, standard (4 quadrants) type. Source: Crydom CTA/CTB24 TRIAC datasheet. Values at 25°C unless noted.

Parameter	Value
RMS on-state current (full sine wave)	25 A (Tc = 75°C)
Repetitive peak off-state voltage (VDRM/VRRM)	1000 V
Type	Standard (4 quadrants)
Gate trigger current IGT (max, VD = 12 V)	50 mA (QI-III), 100 mA (QIV)
Gate trigger voltage VGT (max)	1.3 V
Holding current IH (max)	80 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	250 A (50 Hz) / 260 A (60 Hz)
I²t for fusing (10 ms)	340 A²s
On-state voltage VT (max)	1.55 V @ ITM = 35 A
Thermal resistance junction to case	1.7 °C/W
Isolation voltage	2500 Vrms
Operating junction temperature	-40 to 125°C
Package	TO-220AB isolated

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