BT138-600E Triac Logic Level
13,00 EGP
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Description
The BT138-600E is a logic-level TRIAC designed for general-purpose switching and phase control of AC loads. Rated for 600V and up to 12A RMS on-state current, it is ideal for dimmer circuits, AC motor control, heater regulation, and solid-state relays.
What sets this variant apart is its low gate trigger current, which allows direct interfacing with microcontrollers (such as Arduino, ESP32, or STM32) without the need for a driver transistor—making it perfect for logic-level control applications.
Packaged in a TO-220 case, the BT138-600E offers good thermal performance and ease of mounting in PCB and heat sink configurations.
Key Features
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Logic-level gate trigger – directly driven by microcontrollers
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High voltage capability: 600V
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Continuous on-state current: 12A
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Compact TO-220 package for efficient heat dissipation
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Suitable for resistive and inductive loads
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Ideal for phase control, switching, and SSR applications
Specifications
| Parameter | Value |
|---|---|
| Device Type | TRIAC (Logic-Level) |
| Part Number | BT138-600E |
| Repetitive Peak Off-State Voltage | 600V |
| RMS On-State Current | 12A |
| Surge Peak On-State Current | 80A (20 ms) |
| Gate Trigger Current | < 10mA (logic-level compatible) |
| Holding Current | 5mA – 15mA |
| Package Type | TO-220 (Through-hole) |
| Applications | AC switching, light dimming, fan speed control, SSRs |
Package Includes
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1 × BT138-600E Triac (TO-220 Package)
Specification
General
| WeightWeight | 0,002 g |
|---|---|
 Dimensions | 1,5 × 1 × 0,4 cm |
| Product Name | BT138-600E Triac Logic Level |
| Device Type | TRIAC |
| Model | BT138-600E |
| Repetitive Peak Off-State Voltage (VDRM) | 600 V |
| RMS On-State Current (IT(RMS)) | 12 A |
| Gate Trigger Type | Logic Level |
| Gate Trigger Current (IGT) | Low |
| Surge Current (ITSM) | 95 A |
| Package Type | TO-220 |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C to +125°C |
| Isolation | Non-Isolated |
| Application | AC Power Control, Light Dimmers, Motor Speed Control, Solid State Relays |
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