Z0107NA 1AA2 STMicroelectronics Triac A (Other) In Stock
STMicroelectronics Z0107NA 1AA2 is a standard 1 A TRIAC designed for AC switching and phase control, featuring 600 V off-state voltage, low gate trigger current, and a compact TO-92 package for cost-effective thyristor-based designs.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- Z0107NA 1AA2 Datasheet PDF
- Category
- Triac A
- Price
- From $0.0625(MOQ 10)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1 A rated standard TRIAC with 600 V repetitive peak off-state voltage
- Low gate trigger current enabling direct microcontroller or optocoupler drive
- Compact TO-92 through-hole package for easy PCB assembly and low-cost designs
- Suitable for AC phase control and full-wave switching applications up to 50/60 Hz
Applications
The Z0107NA 1AA2 TRIAC is ideal for light dimming, fan speed control, and small motor AC switching applications in home appliances and HVAC systems. Its low gate trigger current allows direct drive from optocouplers or microcontroller outputs without additional buffer stages. This device is commonly used in energy-saving lighting controllers, thermostat relays, and low-power AC power regulation circuits.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum off-state voltage and current rating of the Z0107NA 1AA2 TRIAC?
The Z0107NA 1AA2 is rated for a repetitive peak off-state voltage of 600 V and a continuous on-state current of 1 A. These ratings make it suitable for mains-connected 230 V AC switching applications in light dimmers, fan controllers, and small household appliance power control circuits.
Can the Z0107NA 1AA2 be driven directly from a microcontroller GPIO pin or does it require an optocoupler?
The Z0107NA 1AA2 features a low gate trigger current, allowing it to be triggered directly from optocoupler outputs or low-current drive circuits. While a direct MCU GPIO drive may be possible in some configurations, using an optocoupler is recommended for mains isolation, protecting the microcontroller from the 230 V AC line and ensuring safe operation per IEC safety standards.
Which package does the Z0107NA 1AA2 use and what are the assembly advantages?
The Z0107NA 1AA2 comes in a TO-92 through-hole package with 3 pins, which simplifies hand-soldering and prototype assembly on standard PCBs. The small TO-92 footprint keeps board area requirements minimal while the through-hole mounting provides robust mechanical holding for environments with vibration, such as appliance motor controllers operating at 50 Hz or 60 Hz mains frequency.
In which AC power control scenarios is the Z0107NA 1AA2 a preferred choice over a relay?
The Z0107NA 1AA2 TRIAC is preferred over electromechanical relays in applications requiring silent operation, phase-angle control at 50 Hz or 60 Hz, and high switching cycle life exceeding millions of cycles. It enables smooth light dimming and motor speed variation by controlling the conduction angle, something a relay cannot achieve, while handling loads up to 1 A at 230 V AC without mechanical wear.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.4700 | $4.70 |
| 100+ | $0.2900 | $29.00 |
| 500+ | $0.2500 | $125.00 |
| 5000+ | $0.1200 | $600.00 |
| 10000+ | $0.1050 | $1050.00 |
| 12500+ | $0.0625 | $781.25 |
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