Overview
The BTA12-700SWRG is a medium current triac produced by STMicroelectronics. It is part of the BTA12, BTB12, and T12xx triac series, which are designed for general purpose mains power AC switching. These triacs are available in both through-hole and surface mount packages, making them versatile for various applications. The BTA12-700SWRG is particularly suited for use in static relays, heating regulation, induction motor starting circuits, and phase control operations in light dimmers and appliance motor speed controllers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| IT(RMS) | 12 | A |
| VDRM/VRRM | 700 | V |
| ITSM (Non repetitive surge peak on-state current) | 120 A (f = 50 Hz, t = 20 ms) | A |
| IGT (Gate trigger current) | 5 / 10 / 35 / 50 mA (Snubberless) | mA |
| VGT (Gate trigger voltage) | 1.3 | V |
| IH (Holding current) | 10 / 15 / 35 / 50 mA | mA |
| dV/dt (Critical rate of rise of off-state voltage) | 20 / 40 / 500 / 1000 V/µs | V/µs |
| Rth(j-c) (Junction to case thermal resistance) | 1.4 (D²PAK / TO-220AB), 2.3 (TO-220AB insulated) | °C/W |
| Tstg (Storage junction temperature range) | -40 to +150 | °C |
| Tj (Operating junction temperature range) | -40 to +125 | °C |
Key Features
- Medium current triac suitable for general purpose mains power AC switching.
- Available in through-hole and surface mount packages (TO-220AB, TO-220AB insulated, D²PAK).
- Low thermal resistance with clip bonding and insulated ceramic for insulated BTA.
- High commutation (4Q) or very high commutation (3Q) capability.
- UL1557 certified (file ref: 81734) and RoHS (2011/65/EU) compliant.
- Snubberless™ versions recommended for inductive loads due to high commutation performance.
- Logic Level versions (e.g., BTA12-600TW and BTA12-600SW) offer low holding current, ideal for light dimmers for LED lamps.
Applications
- Static relays.
- Heating regulation.
- Induction motor starting circuits.
- Phase control operations in light dimmers.
- Appliance motor speed controllers.
Q & A
- What is the maximum RMS on-state current of the BTA12-700SWRG?
The maximum RMS on-state current is 12 A.
- What are the typical package types for the BTA12-700SWRG?
The BTA12-700SWRG is available in TO-220AB, TO-220AB insulated, and D²PAK packages.
- What is the gate trigger current for the Snubberless™ version of the BTA12-700SWRG?
The gate trigger current for the Snubberless™ version ranges from 5 to 50 mA.
- Is the BTA12-700SWRG UL certified?
- What is the operating junction temperature range for the BTA12-700SWRG?
The operating junction temperature range is -40 to +125 °C.
- Can the BTA12-700SWRG be used for inductive loads?
- What is the maximum non-repetitive surge peak on-state current for the BTA12-700SWRG?
The maximum non-repetitive surge peak on-state current is 120 A (f = 50 Hz, t = 20 ms).
- Is the BTA12-700SWRG RoHS compliant?
- What are some common applications for the BTA12-700SWRG?
- What is the storage junction temperature range for the BTA12-700SWRG?
The storage junction temperature range is -40 to +150 °C.
