BTA40-600B TRIAC 600V 40A RD91 Insulated
The BTA40-600B TRIAC 600V 40A RD91 Insulated is a rugged, high-current silicon TRIAC supplied in an insulated RD91 package and designed for mains AC switching and phase-control applications, offering 600V repetitive peak off-state voltage, 40A RMS continuous on-state capability, high non-repetitive surge rating, robust dv/dt immunity and low junction-to-case thermal resistance for reliable heatsink mounting and industrial operation.
Features
- 600V repetitive peak off-state voltage for mains-rated applications.
- 40A RMS on-state current capability for continuous AC conduction.
- High non-repetitive surge on-state current for inrush and transient tolerance.
- Low on-state voltage (VTM) for efficient conduction and reduced power dissipation.
- High commutation capability and low dynamic resistance for robust switching.
- High dv/dt immunity to minimise false triggering on inductive loads.
- Insulated RD91 package with low junction-to-case thermal resistance for predictable thermal design.
- RoHS-compliant epoxy package with UL94 V-0 flammability rating for safe handling and PCB mounting.
Specifications
| Parameter | Value |
|---|---|
| Part Number | BTA40-600B |
| Product Type | TRIAC |
| Package | RD-91 (TOP3 Insulated) |
| Mounting Type | Through Hole |
| Repetitive Peak Off-State Voltage (VDRM) | 600V |
| Repetitive Peak Reverse Voltage (VRRM) | 600V |
| RMS On-State Current (IT(RMS)) | 40A |
| Non-Repetitive Surge Current (ITSM) | 400A (20ms), 420A (16.7ms) |
| I²t Value | 800A²s |
| Peak Gate Power Dissipation (PGM) | 40W |
| Average Gate Power Dissipation (PG(AV)) | 1W |
| Peak Gate Current (IGM) | 4A |
| Gate Trigger Current (IGT) | 50mA (QI-QIII), 100mA (QIV) |
| Gate Trigger Voltage (VGT) | 1.5V(Max) |
| Holding Current (IH) | 80mA(Max) |
| Latching Current (IL) | 120mA(Max) |
| On-State Voltage (VTM) | 1.55V(Typ), 1.85V(Max) |
| Critical Rate of Rise of On-State Current (di/dt) | 50A/µs |
| Critical Rate of Rise of Off-State Voltage (Static dV/dt) | 500V/µs |
| Critical Rate of Rise of Commutating Voltage ((dV/dt)c) | 10V/µs |
| Operating Junction Temperature | -40°C~+125°C |
| Storage Temperature | -40°C~+150°C |
| Maximum Junction Temperature | 125°C |
| Isolation Voltage | 2500VRMS |
PINOUT
Applications
- Phase-angle control and light-dimming circuits for mains AC sources.
- Motor speed controllers, soft-start circuits and static relays.
- Inrush-current handling and transient-tolerant switching in industrial equipment.
- AC power switching in heating regulation and induction motor starting.
- General-purpose mains switching where insulated tab and high current are required.