STMicroelectronics STTN6050H-12M1Y
- Part No.:
- STTN6050H-12M1Y
- Manufacturer:
- STMicroelectronics
- Category:
- SCRs
- Package:
- 9-PowerSMD
- Datasheet:
-
STTN6050H-12M1Y.pdf
- Description:
- 60 A 1200 V THYRISTOR CONTROLLED
- Quantity:
- Payment:

- Shipping:

Inventory:193
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Product details
Overview
STTN6050H-12M1Y from STMicroelectronics is an AEC-Q101-qualified, 1200 V, 60 A RMS thyristor-controlled bridge leg in ACEPACK SMIT module form, embedding two TN6050HP-12 dies in series. It delivers 75 AAV DC output and handles 85 ARMS AC line current, with 1000 V/µs static dV/dt immunity at 150 °C junction temperature, enabling use in automotive on-board chargers and industrial three-phase PFC topologies.
For engineers reviewing the STTN6050H-12M1Y datasheet, STTN6050H-12M1Y pinout, STTN6050H-12M1Y application, or STTN6050H-12M1Y equivalent, key selection criteria include symmetrical 1200 V blocking, top-cooled isolated tab (4 kV insulation), dual SCR gate drive capability, and AQG324-compliant qualification for traction-grade power conversion.
Technical Context
This device implements a fully controlled, dual-thyristor bridge leg optimized for high-reliability AC/DC conversion. Its series-connected SCR topology enables precise phase-angle control in totem-pole PFC and solid-state relay switching, with gate trigger current (IGT) specified at 10–50 mA and latching current (IL) ≤125 mA at 25 °C.
The ACEPACK SMIT package integrates isolated top-side cooling, 6.6 mm minimum pin-to-pin creepage, and UL-recognized 4 kV RMS tab-to-lead insulation. Thermal resistance Rth(j-c) is 0.75 °C/W per SCR, supporting stable operation up to Tj = 150 °C under forced convection or heatsink mounting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM/VRRM | 1200 V - Symmetrical off-state blocking voltage ensures safe operation across full AC line cycles in 600 VAC systems. |
| IT(RMS) | 60 A - Continuous RMS current rating per SCR defines thermal design margin for 85 ARMS AC input handling. |
| IT(AV) | 75 A - Average DC output current capability supports high-efficiency rectification in on-board chargers and UPS systems. |
| dV/dt (static) | 1000 V/µs at Tj = 150 °C - High noise immunity prevents false triggering in noisy motor drive or industrial grid environments. |
| VDSM/VRSM | 1400 V - Non-repetitive surge voltage rating provides robustness against transient overvoltages during line recovery. |
| Rth(j-c) | 0.75 °C/W per SCR - Enables accurate junction temperature prediction using case temperature measurement for thermal protection. |
| VINS | 4 kV RMS (1 min) - Tab-to-lead insulation meets reinforced isolation requirements for functional safety in EV charging systems. |
Pinout & Package
ACEPACK SMIT is a surface-mount, isolated-top-cooled power module with 9-terminal layout. The insulated metal tab enables direct heatsink mounting opposite the PCB side, supporting automated assembly and low-profile stack-up.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | C2 | T2 cathode drive terminal - Provides low-inductance return path for gate-triggered conduction of second SCR. |
| 2 | NC | No connection - Unused pad; must remain unconnected per datasheet. |
| 3 | G2 | T2 gate - Controls turn-on of second SCR; requires ≥10 mA IGT pulse with <1 µs tGT. |
| 4 | G1 | T1 gate - Controls turn-on of first SCR; synchronized gating enables full-wave AC phase control. |
| 5 | NC | No connection - Unused pad; must remain unconnected per datasheet. |
| 6 | C1 | T1 cathode drive terminal - Completes gate loop for first SCR; critical for fast, low-loss triggering. |
| 7 | DC1 | DC output 1 - One arm of full-wave DC output; connects to positive rail of PFC or motor drive bus. |
| 8 | DC2 | DC output 2 - Second arm of full-wave DC output; forms low-side return path for bidirectional current flow. |
| 9 | AC | AC line input - Common AC terminal shared by both SCRs; interfaces directly to mains or generator output. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain applications including on-board chargers and traction inverters. |
| Top-cooled isolated tab | Enables automatic PCB-to-heatsink stacking with 50 N recommended clamping force and no thermal interface layer required. |
| Series-connected dual-SCR architecture | Delivers full-controlled bridge leg functionality in single-module footprint, eliminating discrete layout complexity. |
| ECOPACK2 compliance | Lead-free terminations and halogen-free molding compound meet RoHS and ELV environmental directives. |
| AQG324 module qualification | Meets automotive-grade reliability standards for power cycling, humidity, and mechanical shock in traction systems. |
Applications
| On-Board EV Charger | Totem-Pole PFC |
|---|---|
|
Use Scenario: High-power AC-to-DC conversion in battery electric vehicles, where space and thermal constraints demand compact, high-efficiency front-end rectification. IC Role / Device Role / Timing Role: Dual-thyristor bridge leg performing phase-controlled rectification and pre-charge sequencing via gate angle modulation. Use Value: Replaces NTC thermistors and relays with active inrush limiting, achieving zero-flicker startup and 150 °C continuous operation. |
Use Scenario: High-efficiency, high-power-factor AC/DC conversion in server PSUs and industrial SMPS, requiring >99% efficiency at full load. IC Role / Device Role / Timing Role: Controlled switch in totem-pole configuration, replacing diodes with actively gated SCRs for bidirectional conduction control. Use Value: Enables soft-switching and zero-current turn-off, reducing EMI and conduction losses versus silicon diode bridges. |
| Industrial Solid-State Relay | UPS Bypass Switch |
|
Use Scenario: Contactless AC load switching in heating controllers and motor starters, where long service life and zero-arcing are mandatory. IC Role / Device Role / Timing Role: Bidirectional AC switch implementing zero-crossing turn-on/turn-off for lamp dimming and resistive load control. Use Value: Delivers >107 switching cycles without degradation, eliminating contact wear and electromagnetic interference from arcing. |
Use Scenario: Seamless transfer between inverter and utility power in online UPS systems during grid failure or maintenance. IC Role / Device Role / Timing Role: Back-to-back SCR pair acting as bidirectional, phase-synchronized bypass switch for uninterrupted AC output. Use Value: Supports <10 ms transfer time with no output interruption, meeting IEC 62040-3 Class 1 requirements for critical loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar thyristor-based AC/DC switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTN6050H-12M2Y | Same die and rating, but dual-leg ACEPACK SMIT module (two independent bridge legs). | Supports full three-phase bridge or dual-single-phase systems without paralleling modules. | Select when designing multi-phase converters or needing redundancy without board-level duplication. |
| STTH120R04DJF | 1200 V, 120 A SiC Schottky diode - unidirectional, no gate control, lower VF but no phase control. | Suitable only for passive rectification; cannot replace STTN6050H-12M1Y in active pre-charge or SSR roles. | Choose only for fixed-voltage, high-frequency rectification where gate control and zero-crossing switching are unnecessary. |
Compared with STTN6050H-12M1Y, the M2Y variant doubles system integration density while retaining identical per-leg performance, whereas the SiC diode offers superior efficiency in static rectification but lacks the phase-control capability essential for inrush limiting and SSR functions.
Availability
STTN6050H-12M1Y is available at Aetrix Electronics and suitable for on-board EV chargers, industrial UPS systems, and three-phase motor drives requiring stable component supply, automotive-grade qualification, and high-temperature reliability.
Supply support for STTN6050H-12M1Y includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in power, analog, MCU, and sensor technologies for automotive, industrial, and consumer markets.
This part belongs to ST's high-voltage thyristor portfolio designed specifically for automotive traction and industrial energy conversion, emphasizing AEC-Q101 reliability, high-temperature operation, and modular packaging for system-level thermal and electrical optimization.
FAQ
What is the maximum gate trigger current (IGT) specification for STTN6050H-12M1Y?
The maximum gate trigger current is 50 mA at Tj = 25 °C, with a minimum of 10 mA under same conditions. This range ensures reliable turn-on across temperature and manufacturing variation while allowing gate driver design headroom. Gate pulses must exceed 100 mA peak for surge testing compliance, but steady-state triggering remains within the 10–50 mA window.
Can STTN6050H-12M1Y be used in single-phase applications?
Yes - it is explicitly validated for single-phase full-wave SCR bridge rectifiers and totem-pole PFC topologies. Its dual-SCR architecture supports both half-wave and full-wave control, and the datasheet provides gate timing diagrams and pre-charge algorithms for smooth capacitor voltage ramp-up without NTC thermistors.
Is the 4 kV insulation rating sufficient for reinforced isolation in EV charging systems?
Yes - the 4 kV RMS (1 minute) tab-to-lead insulation meets IEC 62109 and UL 62368-1 requirements for reinforced isolation in secondary circuits of EVSE systems. Combined with 6.6 mm creepage and AQG324 qualification, it satisfies functional safety requirements for DC-link isolation in 400 V and 800 V architectures.
How does the top-cooled package affect PCB layout and thermal management?
The isolated top-cooled tab requires no thermal vias or copper pours on the PCB side; instead, it mounts directly to an external heatsink with 50 N clamping force. This eliminates thermal bottlenecks through the board, reduces overall system height, and simplifies assembly - but mandates precise heatsink flatness and interface material selection per AN5384 guidelines.
STTN6050H-12M1Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 9-PowerSMD
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Off State:
- 1.2 kV
- Voltage - Gate Trigger (Vgt) (Max):
- -
- Current - Gate Trigger (Igt) (Max):
- -
- Voltage - On State (Vtm) (Max):
- -
- Current - On State (It (AV)) (Max):
- -
- Current - On State (It (RMS)) (Max):
- 60 A
- Current - Hold (Ih) (Max):
- -
- Current - Off State (Max):
- -
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 600A
- SCR Type:
- Standard Recovery
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 9-ACEPACK SMIT
STTN6050H-12M1Y FAQ
1.How can I place an order for STTN6050H-12M1Y through Aetrix?
Please submit a Request for Quotation (RFQ) for STTN6050H-12M1Y on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STTN6050H-12M1Y reliable?
The price and inventory of STTN6050H-12M1Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STTN6050H-12M1Y is usually 5 days.
3.What payment methods are accepted for STTN6050H-12M1Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STTN6050H-12M1Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STTN6050H-12M1Y?
STTN6050H-12M1Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STTN6050H-12M1Y order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STTN6050H-12M1Y?
For technical support, including STTN6050H-12M1Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STTN6050H-12M1Y requirements.
6.How does Aetrix verify that STTN6050H-12M1Y is sourced from the original manufacturer or authorized distributors?
All STTN6050H-12M1Y products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STTN6050H-12M1Y meets industry standards.
7.What is the process for return or replacement of STTN6050H-12M1Y?
All STTN6050H-12M1Y units undergo pre-shipment inspection (PSI). If there is an issue with STTN6050H-12M1Y, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STTN6050H-12M1Y part is unused and in its original packaging.
Return procedure for STTN6050H-12M1Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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