The BT137 Series triacs from Jiangsu Weida Semiconductor are designed for middle and small resistance type power load applications. They feature low holding and latching current, making them ideal for various power control scenarios.
| Parameter | Symbol | Value | Unit | Notes |
| RMS On-State Current | IT(RMS) | 8 | A | |
| Repetitive Peak Off-State Voltage | VDRM | 600/800 | V | (Tj=25) |
| Repetitive Peak Reverse Voltage | VRRM | 600/800 | V | (Tj=25) |
| Non-Repetitive Surge Peak On-State Current | ITSM | 65 | A | (full cycle, F=50Hz) |
| I2t Value for Fusing | I2t | 21 | A2s | (tp=10ms) |
| Critical Rate of Rise of On-State Current | dI/dt | 50 | A/s | (IG=2IGT, Quadrants --) |
| Critical Rate of Rise of On-State Current | dI/dt | 10 | A/s | (IG=2IGT, Quadrant ) |
| Peak Gate Current | IGM | 2 | A | |
| Average Gate Power Dissipation | PG(AV) | 0.5 | W | |
| Peak Gate Power | PGM | 5 | W | |
| On-State Voltage (Max) | VTM | 1.6 | V | (ITM=10A, Tj=25) |
| Off-State Current (Max) | IDRM/IRRM | 5 | A | (VDRM=VRRM, Tj=25) |
| Off-State Current (Max) | IDRM/IRRM | 0.5 | mA | (VDRM=VRRM, Tj=125) |
| Gate Trigger Current (Max) IGT | IGT | 5/10/25/50 | mA | (VD=12V, RL=33, Quadrants --, specific values depend on package/variant) |
| Gate Trigger Current (Max) IGT | IGT | 10/25/70/100 | mA | (VD=12V, RL=33, Quadrant , specific values depend on package/variant) |
| Gate Trigger Voltage (Max) VGT | VGT | 1.3 | V | (---) |
| Gate Non-Trigger Voltage (Min) VGD | VGD | 0.2 | V | (VD=VDRM, ---) |
| Holding Current (Max) IH | IH | 10/20/40/60 | mA | (IT=100mA, specific values depend on package/variant) |
| Latching Current (Max) IL | IL | 10/30/50/70 | mA | (IG=1.2IGT, Quadrants --, specific values depend on package/variant) |
| Latching Current (Max) IL | IL | 20/40/70/100 | mA | (IG=1.2IGT, Quadrant , specific values depend on package/variant) |
| Critical Rate of Rise of Commutation (Min) dV/dt | dV/dt | 20/50/100/200 | V/s | (VD=0.66VDRM, Tj=125, Gate open, specific values depend on package/variant) |
| Storage Junction Temperature Range | Tstg | -40~150 | ||
| Operating Junction Temperature Range | Tj | -40~125 | ||
| Junction to Case Thermal Resistance (Rth(j-c)) | Rth(j-c) | 1.8/2.0/2.8/3.0 | /W | (Package dependent: TO-220B/C, TO-252-4R, TO-220F, TO-263) |