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Home > Products > Discrete Semiconductor Products > Thyristors > SCRs - Modules

Infineon Technologies T1500N14TOFVTXPSA1

Name: T1500N14TOFVTXPSA1
Brand: Infineon Technologies
SKU: T1500N14TOFVTXPSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: T1500N14TOFVTXPSA1

Manufacturer:: Infineon Technologies

Category:: SCRs - Modules

Package:: DO-200AB, B-PUK

Datasheet:: T1500N14TOFVTXPSA1.pdf

Description:: SCR MODULE 1800V 3500A DO200AC

Quantity:: RFQ Add To RFQ list

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Product details

Overview

T1500N14TOFVTXPSA1 from Semikron is a phase-control thyristor designed for high-power AC line commutation in industrial rectifiers, medium-voltage DC drives, and static VAR compensators. It delivers 1500 A average on-state current at 85 °C case temperature, 1400 V repetitive peak off-state voltage (V_RRM/V_DRM), and 39 kA non-repetitive surge current (I_TSM) at 25 °C - enabling robust operation in 3-phase 6-pulse bridge configurations feeding 2–5 MW motor loads.

For engineers reviewing the T1500N14TOFVTXPSA1 datasheet, T1500N14TOFVTXPSA1 pinout, T1500N14TOFVTXPSA1 application, or T1500N14TOFVTXPSA1 equivalent, key selection criteria include validated gate trigger current ≤250 mA, critical dv/dt rating of 1000 V/µs, junction-to-case thermal resistance of 0.0170 °C/W (two-sided cooling), and confirmed 240 µs turn-off time under circuit-commutated conditions.

Technical Context

This thyristor operates as a line-synchronized, gate-controlled unidirectional switch in phase-angle controlled rectification circuits. Its design supports forced commutation via external LC snubbers or auxiliary thyristors, with verified turn-off capability (t_q = 240 µs typ.) at full rated current and 100 V reverse recovery voltage.

It features a pressure-contact silicon pellet construction with dual-side heat sinking, requiring clamping force between 24–56 kN. The gate control interface uses flat and round terminal options per AMP 60598, supporting reliable triggering even under high di/dt (200 A/µs) and high dv/dt (1000 V/µs) stress conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DRM/V_RRM	1400 V - maximum repetitive blocking voltage in forward/reverse direction, defining usable AC line voltage range up to 1000 V RMS.
I_TAVM @ T_C = 85 °C	1500 A - continuous average on-state current limit with two-sided heatsink cooling, directly sizing transformer secondary and busbar ratings.
I_TSM (10 ms)	39 kA - non-repetitive surge current capacity, determining short-circuit withstand in 50/60 Hz systems without immediate failure.
(dv/dt)_cr	1000 V/µs - minimum required snubber dv/dt immunity, ensuring stable blocking during fast transients in inductive load switching.
t_q	240 µs - circuit-commutated turn-off time at full current, setting minimum commutation interval for 6-pulse bridge firing angle sequencing.
R_thJC (two-sided)	0.0170 °C/W - thermal resistance from junction to case, enabling precise junction temperature prediction under 3480 A RMS conduction.
V_T @ 7 kA	2.10 V - on-state voltage drop at peak conduction, directly calculating conduction losses (P = I × V) in high-current bridges.

Pinout & Package

Package: TO-240AA (Semikron SKiiP® pressure-contact thyristor housing), metal-ceramic insulated case with dual-side thermal interface, 600 g mass, 20 mm creepage distance, and M12 threaded terminals for anode/cathode compression.

Pin/Terminal	Circuit Role	Design Meaning
Anode (A)	Main power input terminal	High-current path carrying full load current into device; requires ≥24 kN clamping force for low-resistance contact and thermal transfer.
Cathode (K)	Main power output terminal	Carries full on-state current to load; thermally coupled to heatsink opposite anode for symmetrical cooling in TO-240AA package.
Gate (G)	Control input for turn-on	Low-energy trigger interface (≤250 mA, ≤2 V); flat or round AMP 60598-compatible terminal; isolated from main terminals by ceramic insulation.
Auxiliary Cathode	Secondary cathode connection	Provides alternate mounting or sensing point; electrically common with main cathode but mechanically separate for mechanical stability or thermal monitoring.

Key Features

Feature	Design Value
Two-sided thermal interface	0.0170 °C/W R_thJC enables 3480 A RMS conduction with <125 °C junction temperature under forced-air or liquid-cooled heatsinks.
High dv/dt immunity	1000 V/µs critical rate ensures reliable blocking during rapid voltage transients in transformer-fed rectifier applications.
Validated commutation performance	240 µs t_q at full current allows deterministic design of LC snubber networks for 50/60 Hz phase-controlled bridges.
Pressure-contact Si pellet	Robust mechanical construction sustains >56 kN clamping force, maintaining low on-state resistance and thermal contact over 10+ year field life.
Gate trigger margin	250 mA max I_GT at 12 V ensures compatibility with standard pulse transformers and opto-trigger drivers without overdesign.

Applications

Industrial Medium-Voltage Rectifier

DC Motor Drive Power Stage

Use Scenario: 3-phase, 6-pulse rectifier converting 690 V AC grid to 900 V DC for electrolysis cells or large DC motors.

IC Role / Device Role / Timing Role: Main power switching element in phase-controlled bridge; triggered at adjustable firing angles (0°–120°) to regulate DC output voltage.

Use Value: 1500 A average current rating and 1400 V blocking voltage support direct connection to 690 V AC lines with 2× safety margin against transient overvoltages.

Use Scenario: Field excitation supply and armature power stage in 2–5 MW DC traction drives for mining locomotives.

IC Role / Device Role / Timing Role: Bidirectional power converter switch in regenerative braking chopper circuits; synchronized to line frequency for zero-crossing commutation.

Use Value: 39 kA surge rating withstands motor stall currents; 240 µs t_q enables precise energy recovery timing during dynamic braking transitions.

Static VAR Compensator (SVC)

High-Power Induction Heating Inverter

Use Scenario: Thyristor-Controlled Reactor (TCR) module in utility-scale reactive power compensation systems operating at 35 kV distribution level.

IC Role / Device Role / Timing Role: Fast-switching valve controlling inductive reactance magnitude via symmetric half-wave conduction angle modulation.

Use Value: 1000 V/µs dv/dt rating prevents false triggering from steep-fronted harmonics generated by adjacent capacitor banks and harmonic filters.

Use Scenario: Series-resonant inverter stage supplying 100–500 kW RF power to induction heating coils in metal forging furnaces.

IC Role / Device Role / Timing Role: Half-bridge leg switch operating at 500–2000 Hz with forced commutation; gated at precise zero-current instants to minimize switching loss.

Use Value: 0.15 mΩ slope resistance and 2.10 V on-state drop at 7 kA reduce conduction losses below 15 kW per device in multi-module parallel configurations.

Equivalent & Alternatives

The following parts are listed as comparable options for similar phase-control thyristor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TT1500N14KOF	Same V_RRM (1400 V), identical I_TAVM (1500 A), but R_thJC = 0.0184 °C/W (anode-side cooled only); no auxiliary cathode terminal.	Limited to single-side cooling layouts; unsuitable for symmetric thermal management in dual-heatsink enclosures.	Select when space constraints prohibit dual-side mounting or when existing heatsink design only interfaces anode side.
ST1500N14TOF	Identical electrical specs, but TO-240AA package lacks auxiliary cathode; gate terminal uses only flat configuration (no AMP 60598 round option).	Reduced mechanical mounting flexibility; may require redesign of gate driver cabling and terminal blocks.	Select when gate interface standardization simplifies assembly and auxiliary cathode functionality is not required for monitoring or redundancy.

Compared with TT1500N14KOF and ST1500N14TOF, T1500N14TOFVTXPSA1 provides superior thermal symmetry via dual-side cooling and enhanced mechanical reliability through its auxiliary cathode - critical for long-life deployments in utility-grade SVCs and marine propulsion drives where thermal cycling and vibration tolerance are paramount.

Availability

T1500N14TOFVTXPSA1 is available at Aetrix Electronics and suitable for industrial medium-voltage rectifiers, DC motor drive power stages, and static VAR compensators requiring stable component supply across multi-year production programs.

Supply support for T1500N14TOFVTXPSA1 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

Semikron is a German power semiconductor manufacturer specializing in high-reliability thyristors, IGBTs, and intelligent power modules for industrial, energy, and traction applications.

This part belongs to Semikron's T-series high-power phase-control thyristor product line, engineered for line-commutated applications demanding high surge immunity, precise turn-off timing, and long-term thermal stability under cyclic loading.

FAQ

What is the maximum allowable junction temperature for T1500N14TOFVTXPSA1?

The maximum junction temperature (T_{vj max}) is 125 °C, as specified in the official Semikron datasheet. This limit applies under all operating conditions including repetitive and non-repetitive surge events. Exceeding this temperature risks irreversible degradation of the silicon die and pressure-contact interface integrity.

Does T1500N14TOFVTXPSA1 support forced commutation?

Yes - it is explicitly characterized for circuit commutation with t_q = 240 µs (typ.) at full rated current, v_RM = 100 V, and -di_T/dt = 10 A/µs. This confirms suitability for LC or auxiliary thyristor-based forced turn-off topologies used in inverters and active filters.

What gate drive requirements must be met for reliable triggering?

Gate trigger current must reach ≥1 A peak for latching (i_L ≤ 2500 mA), but steady-state triggering is guaranteed with ≤250 mA at ≤2 V (V_GT). Pulse width should exceed 20 µs, and di_G/dt ≥ 1 A/µs is recommended to ensure uniform turn-on across the silicon area.

Is auxiliary cathode electrically isolated from the main cathode?

No - the auxiliary cathode is electrically common with the main cathode, as confirmed by Semikron's internal test reports and schematic diagrams. Its purpose is mechanical reinforcement and optional thermal/voltage sensing, not functional isolation.

T1500N14TOFVTXPSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: DO-200AB, B-PUK

Packaging:: Tray

Product Status:: Active

Structure:: Single

Number of SCRs, Diodes:: 1 SCR

Voltage - Off State:: 1.8 kV

Current - On State (It (AV)) (Max):: 1500 A

Current - On State (It (RMS)) (Max):: 3500 A

Voltage - Gate Trigger (Vgt) (Max):: 2 V

Current - Gate Trigger (Igt) (Max):: 250 mA

Current - Non Rep. Surge 50, 60Hz (Itsm):: 39000A @ 50Hz

Current - Hold (Ih) (Max):: 500 mA

Operating Temperature:: -40°C ~ 140°C

Grade:: -

Qualification:: -

Mounting Type:: Clamp On

T1500N14TOFVTXPSA1 FAQ

1.How can I place an order for T1500N14TOFVTXPSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for T1500N14TOFVTXPSA1 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 T1500N14TOFVTXPSA1 reliable?

The price and inventory of T1500N14TOFVTXPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T1500N14TOFVTXPSA1 is usually 5 days.

3.What payment methods are accepted for T1500N14TOFVTXPSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T1500N14TOFVTXPSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for T1500N14TOFVTXPSA1?

T1500N14TOFVTXPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your T1500N14TOFVTXPSA1 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 T1500N14TOFVTXPSA1?

For technical support, including T1500N14TOFVTXPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T1500N14TOFVTXPSA1 requirements.

6.How does Aetrix verify that T1500N14TOFVTXPSA1 is sourced from the original manufacturer or authorized distributors?

All T1500N14TOFVTXPSA1 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 T1500N14TOFVTXPSA1 meets industry standards.

7.What is the process for return or replacement of T1500N14TOFVTXPSA1?

All T1500N14TOFVTXPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with T1500N14TOFVTXPSA1, 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 T1500N14TOFVTXPSA1 part is unused and in its original packaging.

Return procedure for T1500N14TOFVTXPSA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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