Overview
The BT137-600E,127 is a planar passivated sensitive gate four quadrant triac produced by WeEn Semiconductors. It is housed in a SOT78 (TO-220AB) plastic package, designed for general purpose bidirectional switching and phase control applications. This triac is particularly suited for interfacing directly with microcontrollers, logic integrated circuits, and other low power gate trigger circuits due to its sensitive gate characteristics.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VDRM (Repetitive Peak Off-State Voltage) | - | - | 600 | V | |
| ITSM (Non-Repetitive Peak On-State Current) | Full sine wave; Tj(init) = 25 °C; tp = 20 ms | - | - | 65 | A |
| IT(RMS) (RMS On-State Current) | Full sine wave; Tmb ≤ 102 °C | - | - | 8 | A |
| IGT (Gate Trigger Current) | VD = 12 V; IT = 0.1 A; T2- G-; Tj = 25 °C | 5 | - | 10 | mA |
| IH (Holding Current) | - | - | 20 | mA | |
| VGT (Gate Trigger Voltage) | VD = 400 V; IT = 0.1 A; Tj = 125 °C | 0.25 | 0.4 | - | V |
Key Features
- Direct triggering from low power drivers and logic ICs
- High blocking voltage capability
- Low holding current for low current loads and minimal EMI at commutation
- Planar passivated for voltage ruggedness and reliability
- Sensitive gate for easy triggering
- Triggering in all four quadrants
Applications
- General purpose motor control
- General purpose switching
- Industrial and home lighting
- Heating applications
- Static switching
Q & A
- What is the maximum repetitive peak off-state voltage of the BT137-600E,127?
The maximum repetitive peak off-state voltage is 600 V.
- What is the RMS on-state current rating of the BT137-600E,127?
The RMS on-state current rating is 8 A.
- What is the gate trigger current for the BT137-600E,127?
The gate trigger current is typically 5 to 10 mA.
- Can the BT137-600E,127 be used for motor control applications?
Yes, it is suitable for general purpose motor control applications.
- What is the holding current of the BT137-600E,127?
The holding current is 20 mA.
- Can the BT137-600E,127 be triggered directly from microcontrollers?
Yes, it can be triggered directly from low power drivers and logic ICs.
- What is the package type of the BT137-600E,127?
The package type is SOT78 (TO-220AB).
- What are the typical applications of the BT137-600E,127?
Typical applications include general purpose switching, motor control, industrial and home lighting, and heating applications.
- How much current can the BT137-600E,127 pass without a heat sink?
Without a heat sink, the long-term on-state current should not exceed 1 A, depending on the ambient temperature and natural heat dissipation.
- Can the BT137-600E,127 replace the BT136-600E?
Yes, the BT137-600E can replace the BT136-600E.
