Overview
The T2550-12I is a 25 A, 1200 V Snubberless Triac produced by STMicroelectronics. This device is available in the TO-220AB insulated package, making it suitable for high-voltage applications. It is designed to offer high static and dynamic commutation, along with excellent noise immunity, which makes it ideal for controlling various types of loads, including inductive, capacitive, and resistive loads. The T2550-12I is particularly useful in 3-phase industrial applications due to its high blocking voltage and robust performance characteristics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| RMS On-state Current (IT(RMS)) | 25 | A |
| Repetitive Peak Off-state Voltage (VDRM/VRRM) | 1200 | V |
| Gate Trigger Current (IGT) | 2.5 - 50 | mA |
| Non Repetitive Surge Peak On-state Current (ITSM) | 240 A (tp = 20 ms), 252 A (tp = 16.7 ms) | A |
| Critical Rate of Rise of On-state Current (dI/dt) | 100 | A/µs |
| Peak Gate Current (IGM) | 4 | A |
| Peak Positive Gate Voltage (VGM) | 16 | V |
| Average Gate Power Dissipation (PG(AV)) | 1 | W |
| Storage Junction Temperature Range (Tstg) | -40 to +150 | °C |
| Operating Junction Temperature Range (Tj) | -40 to +125 | °C |
| Thermal Resistance Junction to Case (Rth(j-c)) | 1.7 | °C/W |
| Thermal Resistance Junction to Ambient (Rth(j-a)) | 60 | °C/W |
Key Features
- High static and dynamic commutation capabilities.
- Snubberless operation, reducing the need for external snubber circuits.
- High noise immunity, making it suitable for noisy industrial environments.
- Compact high-voltage device available in TO-220AB insulated package.
- UL recognized component, compliant with UL1557 standard.
- High endurance reliability and robust performance.
Applications
- Industrial motor control circuits.
- Industrial heating control circuits.
- 3-phase industrial applications.
- Control of inductive, capacitive, and resistive loads.
Q & A
- What is the maximum RMS on-state current of the T2550-12I? The maximum RMS on-state current is 25 A.
- What is the repetitive peak off-state voltage of the T2550-12I? The repetitive peak off-state voltage is 1200 V.
- What is the gate trigger current range for the T2550-12I? The gate trigger current range is 2.5 mA to 50 mA.
- What are the typical applications of the T2550-12I? Typical applications include industrial motor control circuits, industrial heating control circuits, and 3-phase industrial applications.
- What package is the T2550-12I available in? The T2550-12I is available in the TO-220AB insulated package.
- What is the critical rate of rise of on-state current for the T2550-12I? The critical rate of rise of on-state current is 100 A/µs.
- What is the average gate power dissipation of the T2550-12I? The average gate power dissipation is 1 W.
- What is the operating junction temperature range for the T2550-12I? The operating junction temperature range is -40 to +125 °C.
- Is the T2550-12I UL recognized? Yes, the T2550-12I is UL recognized, compliant with UL1557 standard.
- What are the thermal resistance values for the T2550-12I? The thermal resistance junction to case (Rth(j-c)) is 1.7 °C/W, and the thermal resistance junction to ambient (Rth(j-a)) is 60 °C/W.
