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Product Detailed Parameters
- Description：TRIAC SENS GATE 800V 1A SOT223
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：1:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：8A, 8.5A
- Current - Gate Trigger (Igt) (Max)：10 mA
- Current - Hold (Ih) (Max)：10 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SOT-223
- Grade：-
- Qualification：-
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Overview
The Z0109NN 5AA4 is a bidirectional triac manufactured by STMicroelectronics, designed for AC power switching applications. It features an RMS on-state current (It RMS) of 1 A and a non-repetitive peak on-state current of 8.5 A. The device supports a rated repetitive off-state voltage (VDRM) of 800 V with a maximum off-state leakage current of 5 uA at VDRM. Key electrical parameters include an on-state voltage of 1.56 V, a maximum holding current (Ih) of 10 mA, a gate trigger voltage (Vgt) of 1.3 V, and a gate trigger current (Igt) of 10 mA. It operates within a temperature range of -40°C to +125°C and is housed in a surface-mount SOT-223 package.
Feature Summary
- High voltage blocking capability suitable for mains-powered circuits
- Logic-level sensitive gate triggering for direct microcontroller interface
- Compact surface-mount packaging for automated assembly
Applications
- Lighting control systems
- Motor speed regulation
- Heating element control
Procurement Notes
Verify the specific suffix '5AA4' against the manufacturer's latest datasheet to confirm pinout and marking consistency. Ensure the ordering quantity matches the required reel or cut-tape specifications. Confirm RoHS compliance status through official documentation before finalizing procurement orders.
Selection Notes
Select this component when an 800 V rating is required instead of lower voltage alternatives like the Z0109MN. Verify that the 10 mA gate trigger current aligns with the driving circuit's output capabilities. Consider thermal management requirements given the 1 A RMS current rating in the SOT-223 package.
Part Context
This part belongs to the Z01 series of triacs from STMicroelectronics. It shares the same physical package and basic current ratings as other variants but differs in voltage rating and gate sensitivity. It is distinct from the Z0107NN which has a higher gate trigger current requirement.
Replacement Considerations
Z0109MN 5AA4 offers similar current handling but with a lower 600 V rating. Z0109NN6AA4 is a variant with different packaging options. Verify voltage derating requirements if substituting with lower voltage parts.
