CS202-4B CS202-4D CS202-4M CS202-4N w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR CS202-4B series type is an epoxy molded silicon controlled rectifier designed for sensing circuit applications and control systems. 4.0 AMP SCR 200 THRU 800 VOLTS MARKING: FULL PART NUMBER TO-202 CASE MAXIMUM RATINGS: (TC=25°C unless otherwise noted) Peak Repetitive Off-State Voltage RMS On-State Current (TC=85°C) Peak One Cycle Surge (t=10ms) I2t Value for Fusing (t=10ms) Peak Gate Power (tp=20μs) SYMBOL VDRM, VRRM IT(RMS) CS202 -4B 200 CS202 -4D 400 CS202 -4M 600 CS202 -4N 800 4.0 ITSM I2t UNITS V A 30 A 4.5 A2s PGM PG(AV) IGM 3.0 W 0.2 W 1.2 A Critical Rate of Rise of On-State Current di/dt 50 A/μs Storage Temperature Tstg TJ -40 to +150 °C -40 to +125 °C ΘJA ΘJC 80 °C/W 7.5 °C/W Average Gate Power Dissipation Peak Gate Current (tp=20μs) Junction Temperature Thermal Resistance Thermal Resistance ELECTRICAL SYMBOL IDRM, IRRM IDRM, IRRM IGT IH CHARACTERISTICS: (TC=25°C unless otherwise noted) TEST CONDITIONS MIN Rated VDRM, VRRM, RGK=1.0KΩ Rated VDRM, VRRM, RGK=1.0KΩ, TC=125°C VD=12V, RL=10Ω 20 TYP MAX 10 UNITS μA 200 μA 38 200 μA 0.25 2.0 mA VGT IT=50mA, RGK=1.0KΩ VD=12V, RL=10Ω 0.55 0.8 V VTM ITM=8.0A, tp=380μs 1.6 1.8 V dv/dt VD=⅔ VDRM, RGK=1.0KΩ, TC=125°C 10 V/μs R4 (23-January 2012) CS202-4B CS202-4D CS202-4M CS202-4N 4.0 AMP gSCR 200 THRU 800 VOLTS TO-202 CASE - MECHANICAL OUTLINE LEAD CODE: 1) Cathode 2) Anode 3) Gate Tab is common to pin 2 MARKING: FULL PART NUMBER R4 (23-January 2012) w w w. c e n t r a l s e m i . c o m