Overview
The T2550-12G is a 25 A, 1200 V Snubberless Triac produced by STMicroelectronics. This component is available in the D²PAK package and is part of the T2550-12x series, which also includes TO-220AB and TO-220AB insulated packages. The T2550-12G is designed for high-voltage applications, particularly in 3-phase industrial settings, due to its 1200 V blocking voltage. It features high noise immunity and dynamic commutation, making it suitable for controlling inductive, capacitive, or resistive loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| On-state RMS current (IT(rms)) | 25 | A |
| Blocking voltage (VDRM/VRRM) | 1200 | V |
| Triggering gate current (IGT) | 50 | mA |
| Non-repetitive surge peak on-state current (ITSM) | 252 (tp = 16.7 ms), 240 (tp = 20 ms) | A |
| I²t value for fusing | 380 | A²s |
| Critical rate of rise of on-state current (dI/dt) | 100 | A/µs |
| Operating junction temperature range (Tj) | -40 to +125 | °C |
| Storage junction temperature range (Tstg) | -40 to +150 | °C |
| Junction to case thermal resistance (Rth(j-c)) | 0.8 | °C/W |
| Junction to ambient thermal resistance (Rth(j-a)) | 60 | °C/W |
Key Features
- On-state RMS current: 25 A
- Blocking voltage: 1200 V
- High static and dynamic commutation
- Triggering gate current (IGT): 50 mA
- High endurance reliability
- Compact high voltage device
- UL recognized component: UL1557 standard
- Noise immunity and dynamic commutation suitable for inductive, capacitive, or resistive load control
Applications
- Industrial motor control circuits
- Industrial heating control circuits
- 3-phase industrial applications
- Control of inductive, capacitive, or resistive loads
Q & A
- What is the on-state RMS current of the T2550-12G Triac?
The on-state RMS current of the T2550-12G Triac is 25 A.
- What is the blocking voltage of the T2550-12G Triac?
The blocking voltage of the T2550-12G Triac is 1200 V.
- What is the triggering gate current (IGT) of the T2550-12G Triac?
The triggering gate current (IGT) of the T2550-12G Triac is 50 mA.
- What are the operating and storage temperature ranges for the T2550-12G Triac?
The operating junction temperature range is -40 to +125 °C, and the storage junction temperature range is -40 to +150 °C.
- Is the T2550-12G Triac UL recognized?
- What types of loads can the T2550-12G Triac control?
The T2550-12G Triac can control inductive, capacitive, or resistive loads due to its high noise immunity and dynamic commutation.
- What are the typical applications of the T2550-12G Triac?
The T2550-12G Triac is typically used in industrial motor control circuits, industrial heating control circuits, and 3-phase industrial applications.
- What is the I²t value for fusing of the T2550-12G Triac?
The I²t value for fusing of the T2550-12G Triac is 380 A²s.
- What is the critical rate of rise of on-state current (dI/dt) for the T2550-12G Triac?
The critical rate of rise of on-state current (dI/dt) for the T2550-12G Triac is 100 A/µs.
- What are the thermal resistance values for the T2550-12G Triac?
The junction to case thermal resistance (Rth(j-c)) is 0.8 °C/W, and the junction to ambient thermal resistance (Rth(j-a)) is 60 °C/W.
- In what packages is the T2550-12G Triac available?
The T2550-12G Triac is available in the D²PAK package, as well as TO-220AB and TO-220AB insulated packages.
