TN2540-12G-TR STMicroelectronics SCR (Other) In Stock
STMicroelectronics TN2540-12G-TR is a single SCR thyristor in D²PAK package rated at 25 A continuous current and 1200 V repetitive peak off-state voltage. Gate trigger current max is 40 mA with 1500 V/µs critical dV/dt rating. Available from stock worldwide with competitive pricing.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- TN2540-12G-TR Datasheet PDF
- Category
- SCR
- Price
- From $0.9500(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TN2540-12G-TR?
- 25 A continuous on-state current with 314 A non-repetitive peak surge capability
- 1200 V repetitive peak off-state voltage for high-voltage AC power control
- 1500 V/µs minimum critical rate of rise of off-state voltage (dV/dt) for robust noise immunity
- D²PAK surface-mount package with anode case connection for efficient thermal management
- 40 mA maximum gate trigger current and 1.3 V gate trigger voltage for easy drive interface
What is TN2540-12G-TR used for?
The TN2540-12G-TR is suited for AC power control applications including motor speed regulation, light dimmers, and industrial heating systems operating at mains voltages up to 1200 V. Its high surge current rating of 314 A makes it reliable in inrush-current-prone environments such as transformer switching and capacitor bank charging. The D²PAK surface-mount footprint enables compact, high-power PCB designs in appliance controls and power conditioning equipment.
What are the specifications of TN2540-12G-TR?
| YTEOL | 7 |
| Case Connection | ANODE |
| Configuration | SINGLE |
| Critical Rate of Rise of Off-State Voltage-Min | 1500V/us |
| DC Gate Trigger Current-Max | 40mA |
| DC Gate Trigger Voltage-Max | 1.3V |
| Holding Current-Max | 80mA |
| JESD-30 Code | R-PSSO-G2 |
| JESD-609 Code | e3 |
| Non-Repetitive Pk On-state Cur | 314A |
| Number of Elements | 1 |
| On-state Current-Max | 1200A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 |
| RMS On-state Current-Max | 25A |
| Repetitive Peak Off-state Leakage Current-Max | 10 µA |
| Repetitive Peak Off-state Voltage | 1200V |
| Repetitive Peak Reverse Voltage | 1200V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Position | SINGLE |
| Trigger Device Type | SCR |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8541.30.00.80 |
| Country of Origin | Mainland China |
Where can I find the TN2540-12G-TR datasheet?
TN2540-12G-TR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for TN2540-12G-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What continuous on-state current and repetitive peak voltage does TN2540-12G-TR support?
The TN2540-12G-TR supports 25 A continuous on-state current (IT(RMS)) and a 1200 V repetitive peak off-state voltage (VDRM/VRRM), making it suitable for demanding AC mains power control circuits with high voltage rails.
How does the 1500 V/µs dV/dt rating affect circuit design for TN2540-12G-TR?
With a minimum critical rate of rise of off-state voltage of 1500 V/µs, the TN2540-12G-TR provides strong immunity to spurious triggering caused by fast voltage transients on the anode, reducing the need for large RC snubber networks and simplifying PCB layout in 50/60 Hz power control applications.
Which industrial applications benefit most from the TN2540-12G-TR's 314 A surge current rating?
Applications with high inrush currents benefit most: transformer primary switching, capacitor bank pre-charging, and motor soft-start circuits can experience surge currents many times the rated load. The 314 A non-repetitive peak on-state current ensures the SCR survives these transients without damage in industrial heating and drive systems.
Is TN2540-12G-TR a drop-in replacement for through-hole TO-220 SCRs in new compact PCB designs?
Not a direct mechanical drop-in — TN2540-12G-TR uses the D²PAK (TO-263) surface-mount package rather than TO-220 through-hole. However, the 25 A / 1200 V ratings match many TO-220 SCRs, so with a footprint redesign it replaces them while offering better board-level thermal resistance and solder-joint reliability in automated assembly.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $2.0600 | $20.60 |
| 25+ | $1.8400 | $46.00 |
| 100+ | $1.4700 | $147.00 |
| 500+ | $1.2500 | $625.00 |
| 1000+ | $1.0900 | $1090.00 |
| 2000+ | $0.9500 | $1900.00 |
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