TS1220-700B

Scrs Overview

The TS1220-700B is a sensitive gate silicon-controlled rectifier (SCR) manufactured by STMicroelectronics. It features a repetitive peak off-state voltage of 700 V and an on-state RMS current rating of 12 A at a case temperature of 105 °C. The device operates within a junction temperature range of -40 °C to +125 °C. Key electrical characteristics include a maximum gate trigger current of 200 µA, a maximum gate trigger voltage of 0.8 V, and a maximum on-state voltage of 1.6 V. It is housed in a DPAK surface-mount package.

Scrs Feature Summary

• Sensitive gate triggering capability for low-power control applications
• High surge current tolerance with defined non-repetitive peak ratings
• Robust dV/dt immunity suitable for noisy environments

Scrs Applications

• Overvoltage crowbar protection circuits
• Motor control circuits in power tools and kitchen aids
• Inrush current limiting circuits
• Capacitive discharge ignition systems
• Voltage regulation circuits

Scrs Procurement Notes

Verify the specific ordering code suffix against the manufacturer's official documentation to confirm the exact voltage rating and packaging configuration. Ensure that the selected component meets the required thermal management specifications for the intended operating environment. Confirm compliance with relevant environmental directives such as RoHS before finalizing procurement decisions.

Scrs Selection Notes

Select this component when a low gate trigger current is required for efficient control logic interfacing. Consider the thermal resistance values provided in the datasheet to determine appropriate heatsinking requirements. Evaluate the dV/dt immunity characteristics relative to the circuit's switching speed and noise levels to ensure reliable operation without false triggering.

Scrs Part Context

This SCR belongs to the TS1220 series, which offers sensitive gate variants alongside standard gate options like the TN1215. The series provides flexibility for various control modes in compact surface-mount or through-hole packages. It is designed to replace older discrete solutions while maintaining compatibility with existing circuit topologies requiring high voltage blocking capabilities.

Scrs Replacement Considerations

Compatible substitutes include the TS1220-600B for lower voltage applications and the TN1215-700B for standard gate sensitivity requirements. Verify pinout compatibility and thermal performance metrics when transitioning between sensitive and standard gate variants within the same current rating family.

Scrs FAQ

What is the maximum gate trigger current for the TS1220-700B?

The maximum gate trigger current (IGT) is specified as 200 µA under standard test conditions.

Does the TS1220-700B support surface mount assembly?

Yes, the TS1220-700B is available in the DPAK package, which is designed for surface mount technology.

What is the critical rate of rise of on-state current (dI/dt) for this device?

The critical rate of rise of on-state current is 50 A/µs at a junction temperature of 125 °C.