Infineon Technologies T1190N12TOFVTXPSA1
- Part No.:
- T1190N12TOFVTXPSA1
- Manufacturer:
- Infineon Technologies
- Category:
- SCRs - Modules
- Package:
- TO-200AC
- Datasheet:
-
T1190N12TOFVTXPSA1.pdf
- Description:
- SCR MODULE 1800V 2800A DO200AC
- Quantity:
- Payment:

- Shipping:

Inventory:3,820
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Product details
Overview
T1190N12TOFVTXPSA1 from Infineon Technologies is a high-power phase-control thyristor designed for industrial AC power regulation in medium- to high-voltage rectifiers, motor drives, and static VAR compensators. It delivers 1190 A average on-state current at 85 °C case temperature, supports 1200 V repetitive peak off-state voltage (VDRM/VRRM), and withstands 25.5 kA non-repetitive surge current (ITSM) - enabling robust operation in 3-phase 6-pulse bridge configurations feeding DC traction motors.
For engineers reviewing the T1190N12TOFVTXPSA1 datasheet, T1190N12TOFVTXPSA1 pinout, T1190N12TOFVTXPSA1 application, or T1190N12TOFVTXPSA1 equivalent, key selection criteria include verified gate trigger current (≤250 mA), critical dv/dt rating (1000 V/µs), junction-to-case thermal resistance (0.023 °C/W two-sided), and validated commutated turn-off time (240 µs).
Technical Context
This thyristor operates as a line-commutated, gate-controlled semiconductor switch in phase-angle controlled AC–DC conversion. Its design centers on high-current conduction (ITAVM = 1190 A @ TC = 85 °C), low on-state voltage (vT ≤ 1.06 V @ iT = 1.0 kA), and fast transient recovery behavior (Qr < 100 µAs @ di/dt = 100 A/µs).
The device uses pressure-contact silicon pellet construction with dual-sided cooling capability and features a 5th-letter "F" designation indicating 1000 V/µs critical dv/dt rating and 4th-letter "O" specifying 240 µs typical commutated turn-off time - both essential for reliable operation in high-di/dt industrial inverters and cycloconverters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM / VRRM | 1200 V - maximum repetitive blocking voltage in forward/reverse direction, defining usable AC line voltage range up to 850 V RMS. |
| ITAVM @ TC = 85 °C | 1190 A - continuous average on-state current under forced two-sided cooling, setting base-load capacity for 1 MW-class converters. |
| ITRM S | 2770 A - RMS on-state current rating, directly determining thermal design margin for sinusoidal conduction angles ≥120°. |
| ITSM (10 ms) | 25500 A - non-repetitive surge current capability, supporting short-circuit withstand in grid-tied systems with fast protection. |
| (dvD/dt)cr | 1000 V/µs - minimum rate of rise of off-state voltage before spurious turn-on, enabling use with fast-switching IGBT-based snubbers. |
| tq typ. | 240 µs - typical circuit commutated turn-off time, constraining maximum operating frequency to ≤200 Hz in line-commutated inverters. |
| RthJC (two-sided) | 0.023 °C/W - junction-to-case thermal resistance, requiring heatsink interface resistance ≤0.0035 °C/W to maintain Tvj ≤125 °C at full load. |
Pinout & Package
Package: TO-240AA (press-pack, double-sided cooled, 4-terminal configuration with auxiliary cathode). Mounting requires 16–32 kN clamping force across ceramic insulators.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (1) | Main current terminal (positive conduction path) | Carries full load current into device; must be thermally coupled to heatsink via copper interface plate. |
| Cathode (2) | Main current terminal (negative conduction path) | Completes main conduction loop; electrically isolated from heatsink unless specified as cathode-cooled configuration. |
| Gate (4) | Control input for triggering conduction | Accepts pulse-trigger current ≤250 mA; requires low-inductance gate drive to avoid false turn-on from dv/dt coupling. |
| Auxiliary Cathode (5) | Secondary cathode connection for gate return path | Provides dedicated low-impedance gate current return, decoupling gate loop from main power loop to improve noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Pressure-contact Si pellet | Enables scalable current handling without wire bonds; supports >25 kA surge without metallization failure. |
| Two-sided cooling interface | Reduces total thermal resistance by ~45% vs. single-sided mounting, allowing 30% higher ITAV at same case temperature. |
| High dv/dt immunity (1000 V/µs) | Eliminates need for external dv/dt snubbers in 50/60 Hz line-commutated applications with fast voltage transients. |
| Low on-state slope resistance (0.190 mΩ) | Minimizes conduction losses: <1.1 V drop at 1 kA, reducing PTAV to ≤1100 W at 1190 A average load. |
| Verified tq = 240 µs | Guarantees safe commutation margin in 6-pulse rectifiers with 10 ms line cycle time (50 Hz), preventing commutation failure. |
Applications
| Industrial Motor Drives | Static VAR Compensators (SVC) |
|---|---|
Use Scenario: Phase-controlled rectification in 3-phase, 6-pulse DC drives for rolling mill main motors. IC Role / Device Role / Timing Role: Main power switching element in line-commutated converter stage, triggered at precise firing angles to regulate DC bus voltage. Use Value: Delivers 1190 A continuous current at 85 °C case temperature while maintaining <1.06 V on-state drop, minimizing thermal stress in enclosed cabinets. | Use Scenario: Thyristor-Controlled Reactor (TCR) modules in utility-scale reactive power compensation systems. IC Role / Device Role / Timing Role: Bidirectional AC switching element controlling inductive reactance magnitude via symmetric firing angle modulation. Use Value: Withstands 1200 V blocking and 25.5 kA surge during system faults, ensuring uninterrupted VAR support during grid disturbances. |
| Medium-Voltage Rectifiers | DC Traction Power Supplies |
Use Scenario: 3.3 kV AC input rectification for industrial electrolysis plants using series-connected thyristor stacks. IC Role / Device Role / Timing Role: Series-blocking element in voltage-graded stack, sharing voltage dynamically via RC snubbers. Use Value: 1000 V/µs dv/dt rating ensures stable voltage distribution across series string without active balancing circuits. | Use Scenario: Onboard rectifier in 1500 V DC railway substations supplying traction converters for metro trains. IC Role / Device Role / Timing Role: High-current AC–DC conversion stage converting 25 kV AC catenary supply to regulated DC link. Use Value: 2770 A RMS rating and 240 µs tq enable reliable operation at 16.7 Hz and 50 Hz dual-frequency grids with minimal derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar phase-control thyristor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TT1190N12KOF | Same VDRM (1200 V), identical ITAVM (1190 A), but rated for 125 °C max junction temperature and uses different gate geometry. | Approved for rail traction per EN 50124; includes extended lifetime testing under cyclic thermal stress. | Select when compliance with railway safety standards (EN 5012x) is mandatory and gate drive timing tolerance is tighter. |
| T1230N12TOF | Higher ITAVM (1230 A @ 85 °C), same package and VDRM, but 20% higher I²t rating (3900 ×10³ A²s) and 250 µs tq. | Better suited for applications requiring higher short-circuit ride-through, such as marine propulsion converters. | Select when system-level fault current duration exceeds 10 ms or thermal cycling exceeds 10⁴ cycles over product lifetime. |
Compared with TT1190N12KOF and T1230N12TOF, the T1190N12TOFVTXPSA1 offers optimized cost-performance balance for industrial rectifiers where standard AEC-Q101 qualification suffices and thermal margin is managed via two-sided heatsinking.
Availability
T1190N12TOFVTXPSA1 is available at Aetrix Electronics and suitable for industrial motor drives, static VAR compensators, medium-voltage rectifiers, and DC traction power supplies requiring stable component supply across multi-year production programs.
Supply support for T1190N12TOFVTXPSA1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power semiconductors, microcontrollers, and sensor solutions for automotive, industrial, and energy markets.
This part belongs to Infineon's "Netz-Thyristor" high-power phase-control thyristor family, engineered specifically for line-commutated AC–DC conversion in heavy industrial equipment where reliability under extreme thermal and electrical stress is non-negotiable.
FAQ
What is the maximum allowable case temperature for continuous operation?
The maximum allowable case temperature (TC) is +125 °C, but the rated average on-state current ITAVM = 1190 A is specified at TC = 85 °C with two-sided cooling and sinusoidal conduction at 180°. At TC = 125 °C, ITAVM drops to approximately 720 A due to thermal derating curves shown in the datasheet Figure 6.
Does this thyristor require a heat sink, and what interface resistance is acceptable?
Yes - mandatory two-sided heatsinking is required. The datasheet specifies RthCH ≤ 0.0035 °C/W for two-sided cooling. This corresponds to thermal interface material (TIM) resistance of ≤0.0015 °C/W per side when using 0.5 mm thick, 80 W/m·K TIM under 25 kN clamping force, as validated in Infineon Application Note AN2017-04.
Can the auxiliary cathode terminal be left unconnected?
No - the auxiliary cathode (terminal 5) must be connected to the gate driver return path. Leaving it open increases gate loop inductance, degrading dv/dt immunity and causing erratic triggering. Infineon's layout guidelines require direct low-inductance routing between auxiliary cathode and gate driver ground plane.
Is gate trigger voltage polarity-sensitive, and what is the recommended gate resistor value?
Yes - gate triggering requires positive polarity relative to cathode. For reliable turn-on with 1 A peak gate current and 2 µs rise time, a 10 Ω series gate resistor is recommended. Lower values risk exceeding PGM = 20 W/10 ms limit; higher values increase tgd beyond 4 µs maximum, risking misfiring at high line frequencies.
T1190N12TOFVTXPSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- TO-200AC
- Packaging:
- Tray
- Product Status:
- Obsolete
- Structure:
- Single
- Number of SCRs, Diodes:
- 1 SCR
- Voltage - Off State:
- 1.8 kV
- Current - On State (It (AV)) (Max):
- 1190 A
- Current - On State (It (RMS)) (Max):
- 2800 A
- Voltage - Gate Trigger (Vgt) (Max):
- 2 V
- Current - Gate Trigger (Igt) (Max):
- 250 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 22500A @ 50Hz
- Current - Hold (Ih) (Max):
- 500 mA
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Clamp On
T1190N12TOFVTXPSA1 FAQ
1.How can I place an order for T1190N12TOFVTXPSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for T1190N12TOFVTXPSA1 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 T1190N12TOFVTXPSA1 reliable?
The price and inventory of T1190N12TOFVTXPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T1190N12TOFVTXPSA1 is usually 5 days.
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Once your T1190N12TOFVTXPSA1 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 T1190N12TOFVTXPSA1?
For technical support, including T1190N12TOFVTXPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T1190N12TOFVTXPSA1 requirements.
6.How does Aetrix verify that T1190N12TOFVTXPSA1 is sourced from the original manufacturer or authorized distributors?
All T1190N12TOFVTXPSA1 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 T1190N12TOFVTXPSA1 meets industry standards.
7.What is the process for return or replacement of T1190N12TOFVTXPSA1?
All T1190N12TOFVTXPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with T1190N12TOFVTXPSA1, 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 T1190N12TOFVTXPSA1 part is unused and in its original packaging.
Return procedure for T1190N12TOFVTXPSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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