BTA16-800B — 16A RMS, 800V Standard Triac (50mA Gate Sensitivity), TO-220AB Insulated Package
The BTA16-800B is a medium-current TRIAC from STMicroelectronics, suitable for general purpose mains power AC switching. It can be used as an ON/OFF function in applications such as static relays, heating regulation or induction motor starting circuits. It is also recommended for phase control operations in light dimmers and appliance motor speed controllers.
This is the insulated tab version (BTA series) featuring an internal ceramic pad, with the tab rated at 2500 VRMS, complying with UL standards. The “B” suffix denotes the standard sensitivity version (IGT = 50 mA) with 4-quadrant triggering capability.
Features
- Medium current Triac
- Low thermal resistance with clip bonding
- Low thermal resistance insulation ceramic for insulated BTA
- High commutation (4Q) capability
- Insulated tab rated at 2500 VRMS
Specifications
Product Summary
| Parameter | Value |
|---|---|
| IT(RMS) — RMS on-state current | 16 A |
| VDRM/VRRM — Repetitive peak off-state voltage | 800 V |
| IGT — Gate trigger current (standard) | 50 mA |
Absolute Maximum Ratings
| Symbol | Parameter | Conditions | Value | Unit |
|---|---|---|---|---|
| IT(RMS) | RMS on-state current (full sine wave) | TO-220AB Ins., TC = 86 °C | 16 | A |
| ITSM | Non-repetitive surge peak on-state current (full cycle, Tj initial = 25 °C) | f = 50 Hz, tp = 20 ms | 160 | A |
| ITSM | Non-repetitive surge peak on-state current | f = 60 Hz, tp = 16.7 ms | 168 | A |
| I²t | I²t value for fusing | tp = 10 ms | 144 | A²s |
| dI/dt | Critical rate of rise of on-state current | IG = 2 × IGT, tr ≤ 100 ns, f = 120 Hz, Tj = 125 °C | 50 | A/µs |
| VDSM/VVRSM | Non-repetitive surge peak off-state voltage | tp = 10 ms, Tj = 25 °C | VDRM/VRRM + 100 | V |
| IGM | Peak gate current | tp = 20 µs, Tj = 125 °C | 4 | A |
| PG(AV) | Average gate power dissipation | Tj = 125 °C | 1 | W |
| Tstg | Storage junction temperature range | — | -40 to +150 | °C |
| Tj | Operating junction temperature range | — | -40 to +125 | °C |
Static Electrical Characteristics
| Symbol | Test Conditions | Tj | Value | Unit |
|---|---|---|---|---|
| VT | ITM = 22.5 A, tp = 380 µs | 25 °C | Max. 1.55 | V |
| VTO | Threshold on-state voltage | 125 °C | Max. 0.85 | V |
| RD | Dynamic resistance | 125 °C | Max. 25 | mΩ |
| IDRM/IRRM | VDRM = VRRM | 25 °C | Max. 5 | µA |
| IDRM/IRRM | VDRM = VRRM | 125 °C | Max. 2 | mA |
Note: For both polarities of A2 referenced to A1.
Triggering Characteristics — Standard (4 Quadrants), Tj = 25 °C unless otherwise specified
| Symbol | Parameter | Quadrant | Value | Unit |
|---|---|---|---|---|
| IGT | Gate trigger current, VD = 12 V, RL = 33 Ω | I – II – III | Max. 50 | mA |
| IGT | Gate trigger current, VD = 12 V, RL = 33 Ω | IV | Max. 100 | mA |
| VGT | Gate trigger voltage | All | Max. 1.3 | V |
| VGD | Gate non-trigger voltage, VD = VDRM, RL = 3.3 kΩ, Tj = 125 °C | All | Min. 0.2 | V |
| IH | Holding current, IT = 500 mA | — | Max. 50 | mA |
| IL | Latching current, IG = 1.2 × IGT | I – III – IV | Max. 60 | mA |
| IL | Latching current, IG = 1.2 × IGT | II | Max. 120 | mA |
| dV/dt | VD = 67% VDRM, gate open, Tj = 125 °C | — | Min. 400 | V/µs |
| (dV/dt)c | (dI/dt)c = 7 A/ms, Tj = 125 °C | — | Min. 10 | V/µs |
Thermal Resistance
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| Rth(j-c) | Junction to case (AC), TO-220AB insulated | Max. 2.1 | °C/W |
| Rth(j-a) | Junction to ambient, TO-220AB ins. | 60 | °C/W |
Applications
- ON/OFF switching in static relays
- Phase angle control in light dimmers
- Appliance motor speed controllers
- Heating regulation
- Induction motor starting circuits
- General purpose mains power AC switching
Package Content
- 1 x BTA16-800B Triac 800V 16A TO-220AB