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

Infineon Technologies TT104N14KOFHPSA1

Name: TT104N14KOFHPSA1
Brand: Infineon Technologies
SKU: TT104N14KOFHPSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TT104N14KOFHPSA1

Manufacturer:: Infineon Technologies

Category:: SCRs - Modules

Package:: Module

Datasheet:: TT104N14KOFHPSA1.pdf

Description:: SCR MODULE 1.4KV 160A MODULE

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TT104N14KOFHPSA1 from Infineon Technologies is a phase-control thyristor module with dual 1400 V V_DRM/V_RRM, 102 A average on-state current (T_C = 85°C), 2050 A non-repetitive surge current, 0.85 V threshold voltage, and 2.43 mΩ slope resistance. It uses pressure-contact technology for high reliability in industrial power control circuits such as soft starters and static transfer switches.

For engineers reviewing the TT104N14KOFHPSA1 datasheet, TT104N14KOFHPSA1 pinout, TT104N14KOFHPSA1 application, or TT104N14KOFHPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.35 K/W), gate trigger current (≤120 mA), critical dv/dt rating (1000 V/µs), and electrically insulated base plate for safe mounting in high-voltage rectifier and crowbar systems.

Technical Context

This dual-thyristor module implements line-synchronized phase-angle control in AC power regulation. Its pressure-contact die attachment ensures stable thermal performance under repetitive surge conditions (I²t = 21,000 A²s at T_vj = 25°C) and supports commutation with t_q = 150 µs typical turn-off time.

The module integrates two inverse-parallel thyristor arms in a single industrial-standard package with basic insulation (IEC 61140 Class 1) and 2.5 kV RMS isolation test voltage. Gate drive requirements are defined by V_GT ≤ 1.4 V and I_GT ≤ 120 mA at 25°C, enabling compatibility with standard pulse transformers and optocoupled drivers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DRM/V_RRM	1400 V - Maximum repetitive blocking voltage per arm; defines usable AC line voltage range up to 1000 V RMS.
I_TAVM	102 A @ T_C = 85°C - Continuous DC-equivalent current rating per arm; determines heatsink sizing for steady-state conduction.
I_TSM	2050 A @ t_P = 10 ms - Non-repetitive surge capability; supports motor starting and fault-current limiting in crowbar applications.
R_thJC	0.35 K/W per module - Junction-to-case thermal resistance; enables thermal modeling of power dissipation under load.
V_T0	0.85 V - Threshold voltage; sets minimum forward voltage drop at low current, critical for low-loss operation at partial conduction angles.
(dv/dt)_cr	1000 V/µs - Critical rate of rise of off-state voltage; determines snubber design requirements to prevent false triggering.
I_GT	≤120 mA @ 25°C - Maximum gate trigger current; defines driver output capability needed for reliable turn-on.

Pinout & Package

TT104N14KOFHPSA1 is housed in an industrial-standard press-pack module with electrically insulated base plate (AlN ceramic), M1/M2 terminal torque specifications (4 Nm), and 2.8 × 0.8 mm DIN 46244 A control terminals. The module contains two inverse-parallel thyristor arms sharing a common heatsink interface.

Pin/Terminal	Circuit Role	Design Meaning
A1 / K2	Anode of Arm 1 / Cathode of Arm 2	Main power terminal for one thyristor arm; connected to AC line or load in bridge configurations.
K1 / A2	Cathode of Arm 1 / Anode of Arm 2	Main power terminal for second arm; forms complementary switching path in full-wave phase control.
G1	Gate of Arm 1	Isolated low-power control input; requires ≤1.4 V and ≤120 mA to trigger conduction.
G2	Gate of Arm 2	Independent gate input for second arm; enables synchronized or complementary firing in B2/B6 rectifiers.
Base Plate	Thermal & Electrical Reference	Electrically insulated (2.5 kV RMS) mounting surface; provides primary thermal path to heatsink.

Key Features

Feature	Design Value
Pressure-contact die attachment	Eliminates wire bonds and solder layers, delivering stable R_thJC and high-cycle fatigue resistance under thermal cycling.
Electrically insulated base plate	AlN ceramic isolation enables direct mounting to grounded heatsinks without additional insulators or thermal pads.
High dv/dt immunity	1000 V/µs critical rate ensures robust operation in noisy industrial environments with fast-switching adjacent loads.
Low conduction loss	0.85 V V_T0 and 2.43 mΩ r_T minimize on-state losses across 30–100% conduction angle range.
Standardized mechanical interface	M1/M2 terminal torque specs (±15%/±10%) and DIN 46244 A control terminals ensure repeatable assembly in production.

Applications

Soft Starters

Rectifiers for UPS

Use Scenario: Controlled ramp-up of motor voltage during startup to limit inrush current and mechanical stress.

IC Role / Device Role / Timing Role: Dual-arm phase-controlled thyristor module regulating AC voltage amplitude via firing-angle delay.

Use Value: Enables smooth acceleration with <102 A continuous current handling and 2050 A surge tolerance for locked-rotor conditions.

Use Scenario: AC-to-DC conversion in uninterruptible power supplies requiring high efficiency and fault ride-through.

IC Role / Device Role / Timing Role: Six-pulse (B6) bridge rectifier arm providing regulated DC bus with bidirectional conduction control.

Use Value: Supports >1000 V line operation with 1400 V blocking rating and 0.35 K/W thermal resistance for compact heatsink integration.

Crowbar Applications

Static Transfer Switches

Use Scenario: Fast short-circuit protection in generator or inverter outputs during overvoltage or islanding events.

IC Role / Device Role / Timing Role: High-current thyristor pair triggered to bypass load and clamp voltage within microseconds.

Use Value: Delivers 2050 A surge current and 150 µs turn-off time (t_q) to safely divert fault energy before system damage.

Use Scenario: Seamless source switching between utility and backup power in critical infrastructure with zero-break transfer.

IC Role / Device Role / Timing Role: Bidirectional thyristor module enabling synchronous make-before-break or break-before-make transitions.

Use Value: Achieves sub-cycle (<20 ms) transfer using precise gate timing and 1000 V/µs dv/dt immunity to prevent misfiring during transients.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TD104N14KOFHPSA1	Same die and package but rated for 1200 V V_DRM/V_RRM; lower blocking voltage with identical thermal and surge ratings.	Suitable for 690 V AC systems where 1400 V margin is unnecessary; reduces cost without compromising current or thermal performance.	Select when operating voltage ≤690 V RMS and space-constrained thermal design favors same-footprint downgrade.
TT104N12KOFHPSA1	Identical construction with 1200 V V_DRM/V_RRM and 0.37 K/W R_thJC (per arm); slightly higher thermal resistance than TT104N14KOFHPSA1.	Used in legacy 400–600 V drive rectifiers where proven field reliability outweighs marginal voltage headroom.	Prefer for retrofit projects matching existing TD/TT1200-series designs and where 1200 V blocking suffices.

Compared with TD104N14KOFHPSA1 and TT104N12KOFHPSA1, TT104N14KOFHPSA1 delivers highest voltage margin (1400 V) and lowest thermal resistance (0.35 K/W), making it optimal for new 1000 V-class industrial drives and UPS systems requiring maximum design headroom.

Availability

TT104N14KOFHPSA1 is available at Aetrix Electronics and suitable for soft starters, static transfer switches, and UPS rectifiers requiring stable component supply, long lifecycle support, and traceable sourcing for industrial OEM programs.

Supply support for TT104N14KOFHPSA1 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 industrial, automotive, and energy applications.

This part belongs to Infineon's high-power thyristor module product line, engineered for robust phase-angle control in heavy-duty AC power conditioning, motor control, and grid-protection systems.

FAQ

What is the maximum allowable junction temperature for TT104N14KOFHPSA1?

The maximum junction temperature (T_{vj max}) is 140°C, as specified in the thermal characteristics section. This rating governs derating curves for I_TAVM versus case temperature and must be maintained using appropriate heatsinking and airflow to avoid thermal runaway during sustained conduction.

Does TT104N14KOFHPSA1 require external snubbers in standard AC line applications?

Yes-due to its 1000 V/µs critical dv/dt rating, external RC snubbers are recommended for inductive loads or long cable runs where voltage transients exceed this threshold. Snubber design must limit peak dv/dt across the device to prevent spurious turn-on during the off-state.

Can TT104N14KOFHPSA1 be used in a single-phase full-wave bridge configuration?

Yes-it is configured as two inverse-parallel thyristor arms and is explicitly rated for B2 (two-pulse) bridge operation. Each arm handles one half-cycle, enabling full-wave AC phase control with proper gate timing and isolation between G1 and G2 drive circuits.

What is the creepage distance and insulation class of the base plate?

The creepage distance is 12.5 mm, and the base plate provides basic insulation per IEC 61140 Class 1. The module passes 2.5 kV RMS insulation testing at 50 Hz for 1 minute, confirming suitability for reinforced insulation in grounded-heatsink mounting configurations.

TT104N14KOFHPSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: Module

Packaging:: Bulk

Product Status:: Active

Structure:: Series Connection - All SCRs

Number of SCRs, Diodes:: 2 SCRs

Voltage - Off State:: 1.4 kV

Current - On State (It (AV)) (Max):: 104 A

Current - On State (It (RMS)) (Max):: 160 A

Voltage - Gate Trigger (Vgt) (Max):: 1.4 V

Current - Gate Trigger (Igt) (Max):: 120 mA

Current - Non Rep. Surge 50, 60Hz (Itsm):: 2050A @ 50Hz

Current - Hold (Ih) (Max):: 200 mA

Operating Temperature:: -40°C ~ 140°C

Grade:: -

Qualification:: -

Mounting Type:: Chassis Mount

TT104N14KOFHPSA1 FAQ

1.How can I place an order for TT104N14KOFHPSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TT104N14KOFHPSA1 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 TT104N14KOFHPSA1 reliable?

The price and inventory of TT104N14KOFHPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TT104N14KOFHPSA1 is usually 5 days.

3.What payment methods are accepted for TT104N14KOFHPSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TT104N14KOFHPSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TT104N14KOFHPSA1?

TT104N14KOFHPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TT104N14KOFHPSA1 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 TT104N14KOFHPSA1?

For technical support, including TT104N14KOFHPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TT104N14KOFHPSA1 requirements.

6.How does Aetrix verify that TT104N14KOFHPSA1 is sourced from the original manufacturer or authorized distributors?

All TT104N14KOFHPSA1 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 TT104N14KOFHPSA1 meets industry standards.

7.What is the process for return or replacement of TT104N14KOFHPSA1?

All TT104N14KOFHPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with TT104N14KOFHPSA1, 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 TT104N14KOFHPSA1 part is unused and in its original packaging.

Return procedure for TT104N14KOFHPSA1:

1.Submit a request within 90 days.

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

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