STMicroelectronics – High-temperature Thyristors (SCR)
High-temperature silicon-controlled rectifiers (SCRs), or thyristors, are designed to improve the reliability of applications such as overvoltage crowbar protection and motor control circuits in power tools and kitchen aids, inrush current-limiters, capacitive discharge ignition systems and voltage regulators. Perfectly suited for automotive stationary battery chargers, uninterruptible power supplies, industrial power supplies, motorbike voltage regulators and motor drive applications, they help reduce costs by using smaller heatsinks.
Their voltage robustness up to 1200V, high noise immunity and power dissipation performance at 150°C Tj are key features for functions such as AC switches, AC phasing inverters, and AC-DC controlled rectifier bridges.
Available in SMD as well as through-hole-isolated and non-isolated packages, ST’s high-Tj SCRs feature:
• a very low gate-triggering current (600V SCRs only)
• a peak off-state voltage (blocking voltage) from 600V up to 1200V
• a maximum on-state current from 12A to 50A
• a maximum junction temperature of 150°C