Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Infineon Technologies T1503N80TOHPRXPSA1

Name: T1503N80TOHPRXPSA1
Brand: Infineon Technologies
SKU: T1503N80TOHPRXPSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: T1503N80TOHPRXPSA1

Manufacturer:: Infineon Technologies

Category:: SCRs - Modules

Package:: DO-200AE

Datasheet:: T1503N80TOHPRXPSA1.pdf

Description:: SCR MODULE 8000V 2770A DO200AE

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,930

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

T1503N80TOHPRXPSA1 from Infineon Technologies is a light-triggered phase-control thyristor designed for high-voltage, high-current power conversion systems. It features V_RRM = 8000 V, I_TAVM = 1770 A (T_C = 85°C), R_thJC = 6.0 K/kW, and integrated break-over diode protection. It is deployed in HVDC transmission valves where precise light-triggered commutation and robust DC blocking stability are required.

For engineers reviewing the T1503N80TOHPRXPSA1 datasheet, T1503N80TOHPRXPSA1 pinout, T1503N80TOHPRXPSA1 application, or T1503N80TOHPRXPSA1 equivalent, key selection criteria include verified 8 kV repetitive reverse voltage, 57 kA surge current rating, 300 A/µs critical di/dt capability, clamping force range (63–91 kN), and two-sided thermal interface compatibility.

Technical Context

This thyristor employs direct optical triggering with an integrated break-over diode for fail-safe overvoltage protection during transient events. Its gate is optically isolated, eliminating electrical gate drive complexity while enabling synchronized multi-device firing in series-connected valve stacks.

The device delivers full 50/60 Hz AC blocking across –40°C to +120°C junction temperature and maintains high DC blocking stability under sustained reverse bias. Its 0.44 mΩ slope resistance and 1.24 V threshold voltage define conduction behavior under rated 4000 A on-state conditions at T_vj = 120°C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	8000 V - Maximum repetitive reverse voltage; defines safe DC and AC blocking margin in HVDC converter bridges.
I_TAVM	1770 A @ T_C = 85°C - Average on-state current; sets continuous power handling in forced-cooled rectifier arms.
I_TSM	57000 A @ t_P = 10 ms - Non-repetitive surge current; determines short-circuit withstand in crowbar protection circuits.
(di/dt)_cr	300 A/µs - Minimum guaranteed turn-on di/dt; ensures reliable commutation without spurious triggering in load-commutated inverters.
R_thJC	6.0 K/kW - Junction-to-case thermal resistance (two-sided cooling); enables thermal design of water-cooled heat sinks for 1.2 MW+ per device.
v_T0	1.24 V - Threshold voltage at T_vj = 120°C; used with r_T = 0.44 mΩ to calculate on-state loss (P_cond ≈ v_T0·i_T + r_T·i_T²).
(dv/dt)_cr	2000 V/µs - Critical rate of rise of off-state voltage; specifies immunity to false turn-on during fast transients in static var compensators.
Clamping Force	63–91 kN - Required mechanical compression range; ensures low-contact-resistance Si-pellet interface and thermal integrity under thermal cycling.

Pinout & Package

Package: Press-pack, double-sided cooled, disc-type thyristor with anode and cathode contact surfaces and optical gate input. Diameter: 151.5 mm; contact diameter: 100 mm; height: 40 mm; weight: 3200 g.

Pin/Terminal	Circuit Role	Design Meaning
Anode (1)	Main current terminal (high-side)	Carries full forward conduction current; must be mounted to heatsink with specified clamping force and thermal interface material.
Cathode (2)	Main current terminal (low-side)	Completes main conduction path; electrically isolated from heatsink when cathode-side cooling is used.
Gate (4.1)	Optical trigger input	Receives pulsed LED light (≤40 mW) to initiate conduction; no electrical connection-enables galvanic isolation in series-stacked valves.

Key Features

Feature	Design Value
Light-triggered operation	Eliminates gate drive transformers and pulse transformers; enables precise timing synchronization across multi-thyristor valve towers.
Integrated break-over diode	Provides self-protecting overvoltage clamping without external snubbers; reduces component count and failure modes in HVDC protection schemes.
High di/dt capability	300 A/µs minimum ensures reliable turn-on even under high-inductance load conditions in load-commutated inverters.
Two-sided thermal interface	6.0 K/kW R_thJC with dual-surface cooling supports >1.2 MW dissipation in water-cooled industrial rectifiers.
Full 50/60 Hz blocking	Validated over –40°C to +120°C junction range; guarantees stable operation in outdoor HVDC converter stations with wide ambient swings.

Applications

HVDC Transmission Valve

Static Var Compensator (SVC)

Use Scenario: Series-connected thyristor stack in ±800 kV bipolar HVDC converter bridges operating at 2–3 kA DC current.

IC Role / Device Role / Timing Role: Main power switching element triggered by centralized optical master controller; provides bidirectional line-commutated conversion.

Use Value: 8000 V V_RRM and 57 kA I_TSM enable single-device replacement of older 6.5 kV modules, reducing valve tower height and maintenance points.

Use Scenario: Thyristor-Controlled Reactor (TCR) branch in utility-scale reactive power compensation systems.

IC Role / Device Role / Timing Role: Phase-angle controlled conduction element; modulates fundamental current to regulate VAR output dynamically.

Use Value: 2000 V/µs (dv/dt)_cr prevents false triggering from harmonics and switching transients in grid-connected SVCs.

Drive Rectifier for Rolling Mill

Crowbar Protection Circuit

Use Scenario: High-current DC supply for 10–20 MW variable-speed drives in steel mill rolling stands.

IC Role / Device Role / Timing Role: Line-commutated rectifier switch; conducts up to 2560 A average current at T_C = 55°C with forced air/water hybrid cooling.

Use Value: 1770 A I_TAVM at 85°C allows derating flexibility for intermittent peak loads without thermal runaway.

Use Scenario: Fast-acting short-circuit bypass in generator excitation or UPS inverter protection.

IC Role / Device Role / Timing Role: Crowbar switch activated within microseconds upon overvoltage detection to shunt fault current away from sensitive converters.

Use Value: 300 A/µs (di/dt)_cr and 550 µs turn-off time ensure rapid, controlled energy diversion before downstream damage occurs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage light-triggered thyristor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ABB 5STP 32L6800	V_RRM = 6800 V; I_TAVM = 1600 A; optical gate; R_thJC = 6.5 K/kW	Limited to ≤±600 kV HVDC; lower surge rating (52 kA) restricts use in high-fault-current grids	Select when system voltage < 6.8 kV and existing ABB valve infrastructure mandates form-fit compatibility.
Mitsubishi RT3000FZ-80	V_RRM = 8000 V; I_TAVM = 1500 A; electrically triggered; R_thJC = 7.2 K/kW	Requires isolated gate drivers; higher thermal resistance increases heatsink size and cost in high-power density designs	Choose only if legacy gate driver architecture prohibits optical redesign and 1500 A rating suffices.

Compared with ABB 5STP 32L6800 and Mitsubishi RT3000FZ-80, T1503N80TOHPRXPSA1 offers superior 8 kV blocking headroom, highest I_TAVM among 8 kV-class devices, and lowest R_thJC, making it optimal for new-build HVDC and high-reliability crowbar systems demanding minimal thermal overhead.

Availability

T1503N80TOHPRXPSA1 is available at Aetrix Electronics and suitable for HVDC transmission, static var compensation, industrial drive rectification, and crowbar protection requiring stable component supply across long-lifecycle infrastructure projects.

Supply support for T1503N80TOHPRXPSA1 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 electronics, automotive ICs, and industrial control solutions, with global manufacturing and R&D centers.

This device belongs to Infineon's high-power "Netz-Thyristor" product line, engineered specifically for ultra-high-voltage grid infrastructure applications including HVDC, SVC, and industrial medium-frequency rectification.

FAQ

What is the required optical trigger power for reliable turn-on?

The maximum specified minimum gate trigger light power is 40 mW at T_vj = 25°C and v_D = 150 V. Operation below this level risks incomplete or delayed conduction. System-level validation at elevated junction temperatures (up to 120°C) is recommended, as de-rating applies per the datasheet's 0.16%/K factor.

Can T1503N80TOHPRXPSA1 be used with single-sided cooling?

Yes, but thermal performance degrades significantly: R_thJC rises to 10.6 K/kW (anode-side) or 13.8 K/kW (cathode-side), reducing maximum sustainable power by ~40% versus two-sided cooling. Mechanical mounting must still apply full 63–91 kN clamping force to maintain contact integrity.

What is the meaning of the 'H' and 'O' letters in the part number?

The 5th letter 'H' denotes (dv/dt)_cr = 2000 V/µs; the 4th letter 'O' indicates circuit-commutated turn-off time (t_q) = 550 µs (typical). These suffixes encode critical dynamic ratings directly tied to application-specific commutation and transient immunity requirements.

Is external snubber circuitry required for normal operation?

No external snubber is required for standard line-commutated operation due to the integrated break-over diode and validated (dv/dt)_cr of 2000 V/µs. However, snubbers remain recommended in forced-commutated topologies (e.g., LCI) where voltage transients exceed device limits during turn-off.

T1503N80TOHPRXPSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: DO-200AE

Packaging:: Tray

Product Status:: Active

Structure:: Single

Number of SCRs, Diodes:: 1 SCR

Voltage - Off State:: 8 kV

Current - On State (It (AV)) (Max):: 2560 A

Current - On State (It (RMS)) (Max):: 2770 A

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

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

Current - Non Rep. Surge 50, 60Hz (Itsm):: 60000A @ 50Hz

Current - Hold (Ih) (Max):: 100 mA

Operating Temperature:: -40°C ~ 120°C

Grade:: -

Qualification:: -

Mounting Type:: Chassis Mount

T1503N80TOHPRXPSA1 FAQ

1.How can I place an order for T1503N80TOHPRXPSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for T1503N80TOHPRXPSA1 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 T1503N80TOHPRXPSA1 reliable?

The price and inventory of T1503N80TOHPRXPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T1503N80TOHPRXPSA1 is usually 5 days.

3.What payment methods are accepted for T1503N80TOHPRXPSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T1503N80TOHPRXPSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for T1503N80TOHPRXPSA1?

T1503N80TOHPRXPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your T1503N80TOHPRXPSA1 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 T1503N80TOHPRXPSA1?

For technical support, including T1503N80TOHPRXPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T1503N80TOHPRXPSA1 requirements.

6.How does Aetrix verify that T1503N80TOHPRXPSA1 is sourced from the original manufacturer or authorized distributors?

All T1503N80TOHPRXPSA1 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 T1503N80TOHPRXPSA1 meets industry standards.

7.What is the process for return or replacement of T1503N80TOHPRXPSA1?

All T1503N80TOHPRXPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with T1503N80TOHPRXPSA1, 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 T1503N80TOHPRXPSA1 part is unused and in its original packaging.

Return procedure for T1503N80TOHPRXPSA1:

1.Submit a request within 90 days.

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

Tech Hub

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…

2026-07-17 Raspberry Pi Alternatives: Chip-Level Comparison, Compatibility and Replacement Guide

Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…

2026-07-13 How to Test Dynamic Load Response in Low-Voltage High-Current Buck Converters

Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…

2026-07-08 Output Capacitor Selection for High-Current ASIC Vcore Rails

Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…

2026-07-07 High-Current ASIC Core Power Supply Design: 12-Phase Buck, PMBus and Dynamic Load Response

Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …

2026-07-06 Voltage Regulator: Types, Circuits, Testing and Selection Guide

Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.

2026-06-30 Amplifiers Explained: Types, Circuits, Gain, Classes and Applications

Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…