Overview
The BTA12-800BW3G is a high-performance triac designed by Littelfuse Inc. for full-wave AC control applications. It is particularly suited for scenarios requiring high noise immunity and commutating di/dt. This triac is widely used in various industrial and consumer electronics, especially in white goods and other applications where reliable and efficient AC power control is essential.
Key Specifications
| Property | Value |
|---|---|
| On-State Current (Itrms) | 12 A |
| V DRM | 800 V |
| I GTMAX | 50 mA |
| I TSM 60Hz | 105 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.1 V |
| Package | TO-220AB |
| High Commutating dI/dt | 2.5 A/ms minimum at 125°C |
| Internal Isolation | 2.5 kV rms |
| Lead-free | Yes |
| UL Registered | File #E69369 |
Key Features
- High noise immunity and commutating di/dt
- Uniform gate trigger currents in three quadrants
- High immunity to dV/dt (2000 V/µs minimum at 125°C)
- Minimizes snubber networks for protection
- Industry standard TO-220AB package
- Internally isolated to 2.5 kV rms
- Lead-free and UL registered (File #E69369)
- Low leakage at high voltage
Applications
The BTA12-800BW3G triac is primarily used in AC motor control applications, particularly for controlling bi-directional motors. It is commonly found in white goods such as washing machines, transport belts, and other equipment that require operation in both forward and reverse directions.
- AC Motor control
- Bi-directional motor control in washing machines and transport belts
- Other industrial and consumer electronics requiring reliable AC power control
Q & A
- What is the on-state current rating of the BTA12-800BW3G triac?
The on-state current rating of the BTA12-800BW3G triac is 12 A rms at 80°C.
- What is the maximum blocking voltage of the BTA12-800BW3G triac?
The maximum blocking voltage (V DRM) of the BTA12-800BW3G triac is 800 V.
- What is the gate trigger current (I GTMAX) of the BTA12-800BW3G triac?
The gate trigger current (I GTMAX) of the BTA12-800BW3G triac is 50 mA.
- What is the high commutating dI/dt of the BTA12-800BW3G triac?
The high commutating dI/dt of the BTA12-800BW3G triac is 2.5 A/ms minimum at 125°C.
- Is the BTA12-800BW3G triac internally isolated?
Yes, the BTA12-800BW3G triac is internally isolated to 2.5 kV rms.
- What package type does the BTA12-800BW3G triac use?
The BTA12-800BW3G triac uses the industry standard TO-220AB package.
- Is the BTA12-800BW3G triac lead-free and UL registered?
Yes, the BTA12-800BW3G triac is lead-free and UL registered (File #E69369).
- What are some common applications of the BTA12-800BW3G triac?
The BTA12-800BW3G triac is commonly used in AC motor control, particularly for bi-directional motors in white goods and other industrial equipment.
- How does the BTA12-800BW3G triac compare to mechanical relays in motor control?
The BTA12-800BW3G triac offers several advantages over mechanical relays, including reliable control, quiet operation, long life span, small size, light weight, and fast operation.
- What protective measures are recommended when using the BTA12-800BW3G triac in motor control applications?
It is recommended to use optocouplers for isolation, MOVs for high voltage transient protection, and snubber networks to protect against dV/dt conditions. Additionally, an overload protector is advised to protect against overload conditions.
