QTT2223ST1

$2.84

Description：OPTOISO 5KV PWR TRIAC 1CH 7-SMD
Series：QTX223
Mfr：QT Brightek (QTB)
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:e3e870f3ffa5 Category: Triac, SCR Output Optoisolators Brand: QT Brightek (QTB)

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Product introduction

QTT2223ST1 is listed in the Triac, SCR Output Optoisolators range at ChipApex. The manufacturer field lists QT Brightek (QTB). Its product description is OPTOISO 5KV PWR TRIAC 1CH 7-SMD. Review the specifications below when checking this part for your BOM.

Triac, SCR Output Optoisolators specifications for QTT2223ST1

Description：OPTOISO 5KV PWR TRIAC 1CH 7-SMD
Series：QTX223
Mfr：QT Brightek (QTB)
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Triac, Power
Zero Crossing Circuit：No
Number of Channels：1
Voltage - Isolation：5000Vrms
Voltage - Off State：600 V
Static dV/dt (Min)：200V/µs
Current - LED Trigger (Ift) (Max)：10mA
Current - On State (It (RMS)) (Max)：900 mA
Current - Hold (Ih)：25mA
Turn On Time：-
Voltage - Forward (Vf) (Typ)：1.3V (Max)
Current - DC Forward (If) (Max)：50 mA
Operating Temperature：-55°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：8-SMD (7 Leads), Gull Wing
Supplier Device Package：7-SMD
Approval Agency：UL, VDE

Triac, SCR Output Optoisolators datasheet and documents for QTT2223ST1

QTT2223ST1

Triac, SCR Output Optoisolators Overview

The QTT2223ST1 is a random-phase high-power triac output optoisolator manufactured by QT Brightek. It features a 7-SMD package and provides 5000Vrms isolation voltage between input and output circuits. The device supports an off-state voltage of 600V and includes one channel. It lacks a zero-crossing circuit, making it suitable for phase-angle control applications requiring precise timing.

Triac, SCR Output Optoisolators Feature Summary

Random-phase operation for flexible firing angle control
High power triac output capability
Robust 5000Vrms electrical isolation
Compact 7-SMD surface mount packaging

Triac, SCR Output Optoisolators Applications

Industrial motor speed control systems
Solid state relay modules
AC power switching circuits
Heating element regulation

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix ST1 against the official QT Brightek datasheet to confirm pinout and thermal characteristics. Ensure compatibility with your PCB footprint design. Check RoHS compliance status as indicated in current manufacturer documentation before finalizing procurement orders.

Triac, SCR Output Optoisolators Selection Notes

Select this component when random-phase triggering is required rather than zero-crossing. Confirm that the 600V off-state voltage meets your circuit's peak voltage requirements. Evaluate the 7-SMD package constraints against your assembly capabilities and thermal management needs for high-power triac outputs.

Triac, SCR Output Optoisolators Part Context

This part belongs to the QTX223 series of optoisolators from QT Brightek. It is designed for industrial applications requiring reliable isolation and high-power switching. The series focuses on providing robust performance in compact packages for AC load control scenarios.

Triac, SCR Output Optoisolators Replacement Considerations

Consult official substitution guides for equivalent random-phase triac optoisolators with matching 5000Vrms isolation and 600V blocking voltage. Verify pin compatibility and thermal resistance specifications before replacing.