Infineon Technologies TD240N32KOFHPSA1
- Part No.:
- TD240N32KOFHPSA1
- Manufacturer:
- Infineon Technologies
- Category:
- SCRs - Modules
- Package:
- Module
- Datasheet:
-
TD240N32KOFHPSA1.pdf
- Description:
- SCR MODULE 3800V 700A MODULE
- Quantity:
- Payment:

- Shipping:

Inventory:5,460
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Product details
Overview
TD240N32KOFHPSA1 from Infineon Technologies is a phase-control thyristor module rated for 3200 V repetitive peak off-state voltage (VDRM/VRRM), 240 A average on-state current (ITAVM) at TC = 85°C, and 700 A RMS on-state current (ITRMSM), designed for high-power AC line commutation in industrial rectifier and motor control systems.
For engineers reviewing the TD240N32KOFHPSA1 datasheet, TD240N32KOFHPSA1 pinout, TD240N32KOFHPSA1 application, or TD240N32KOFHPSA1 equivalent, key selection criteria include critical dv/dt rating (1000 V/µs), gate trigger current (≤250 mA), junction-to-case thermal resistance (0.0373 °C/W per module), and forced-cooling-compatible mounting torque (12 Nm).
Technical Context
This dual-thyristor module implements a B6 six-pulse bridge configuration with pressure-contact silicon pellets and aluminum nitride (AlN) internal insulation. It supports natural or forced cooling and operates across -40°C to +125°C case temperature range.
Its circuit commutated turn-off time (tq) is 350 µs at Tvj max, with critical di/dt capability of 100 A/µs and holding current ≤300 mA. The module requires gate triggering with ≤1.5 V and ≥1 A pulse under specified diG/dt conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM / VRRM | 3200 V - Maximum repetitive blocking voltage in forward/reverse direction, defining AC line voltage class compatibility (e.g., 3.3 kV AC systems) |
| ITAVM @ TC=85°C | 240 A - Continuous DC-equivalent conduction current per arm, determining steady-state power handling in rectifier bridges |
| ITRMSM | 700 A - RMS current rating, used for thermal design under sinusoidal or rectangular load waveforms |
| (dvD/dt)cr | 1000 V/µs - Critical rate-of-rise of off-state voltage, specifying snubber requirements to prevent false turn-on |
| RthJC (per module) | 0.0373 °C/W - Junction-to-case thermal resistance under DC conditions, enabling heatsink sizing for forced-air cooling |
| vT max @ iT=1200 A | 3.43 V - Maximum on-state voltage drop, directly impacting conduction loss (PTAV ≈ vT × ITAV) |
| IGT max | 250 mA - Maximum gate trigger current required, defining driver stage output capability |
Pinout & Package
TD240N32KOFHPSA1 is housed in a press-pack module package with isolated terminals and AlN ceramic baseplate. Mechanical mounting uses M2 screws (12 Nm torque); electrical terminals conform to DIN 46244 A (2.8 × 0.8 mm).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1, K1 | Anode 1 / Cathode 1 | Thyristor arm 1 main terminals - carry full load current in one half-bridge leg of B6 configuration |
| A2, K2 | Anode 2 / Cathode 2 | Thyristor arm 2 main terminals - complete second half-bridge leg for full six-pulse operation |
| G1, K1 | Gate 1 / Cathode 1 | Gate control input for arm 1 - referenced to its cathode; requires isolated gate drive due to floating potential |
| G2, K2 | Gate 2 / Cathode 2 | Gate control input for arm 2 - independently referenced to cathode 2, enabling phase-shifted firing |
Key Features
| Feature | Design Value |
|---|---|
| Pressure-contact Si pellet construction | Enables high-current density and low contact resistance without wire bonding, supporting >700 A RMS operation |
| AlN internal isolation | Provides 3.6 kV RMS insulation test voltage (1 sec), ensuring safety in high-voltage industrial enclosures |
| Low RthJC (0.0373 °C/W) | Allows efficient heat transfer to heatsink, reducing thermal derating in forced-air cooled systems |
| High (dv/dt)cr (1000 V/µs) | Reduces need for external snubbers in fast-switching AC line applications like dynamic braking circuits |
| 180° conduction angle support | Enables full-wave rectification and continuous DC output in motor field supplies and electroplating systems |
Applications
| Industrial AC Motor Drives | DC Power Supplies for Electroplating |
|---|---|
Use Scenario: Phase-controlled speed regulation of large induction motors in mining conveyors and rolling mills. IC Role / Device Role / Timing Role: Thyristor arm in B6 six-pulse bridge, switching at line frequency with precise firing-angle control. Use Value: Delivers 240 A average current at 3200 V blocking, enabling direct connection to medium-voltage 3.3 kV AC distribution lines without step-down transformers. | Use Scenario: High-stability DC current source for metal finishing baths requiring ripple-free output. IC Role / Device Role / Timing Role: Main rectifying element in transformer-coupled, phase-controlled DC converter. Use Value: Low on-state voltage (3.43 V max) minimizes conduction loss, improving energy efficiency and reducing cooling requirements in 24/7 plating operations. |
| Dynamic Braking Systems | DC Excitation for Synchronous Generators |
Use Scenario: Regenerative braking of traction motors in rail vehicles, dissipating kinetic energy as heat in resistor banks. IC Role / Device Role / Timing Role: Line-commutated switch controlling resistor bank connection timing during deceleration. Use Value: 6100 A non-repetitive surge rating handles short-duration braking transients without failure, ensuring system reliability under overload. | Use Scenario: Field excitation supply for utility-scale synchronous generators, requiring stable, adjustable DC current. IC Role / Device Role / Timing Role: Adjustable-phase thyristor in controlled rectifier feeding rotor winding. Use Value: Tight gate trigger threshold (≤1.5 V, ≤250 mA) enables compatibility with standard industrial gate drivers and optocouplers, simplifying control interface design. |
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 |
|---|---|---|---|
| TT240N32KOFHPSA1 | Same package and electrical ratings; differs only in prefix (TT vs TD), indicating identical die and construction per Infineon documentation | No functional difference; both qualified for B6 bridge use with same thermal and gate drive specs | Select TT240N32KOFHPSA1 only if legacy BOM specifies TT prefix; otherwise TD variant is current production part |
| TD240N36KOFHPSA1 | Higher VDRM/VRRM (3600 V); identical ITAVM, ITRMSM, and thermal parameters | Suitable for 3.6 kV AC systems or designs requiring margin against transient overvoltage | Choose when operating in environments with elevated line surges or where future voltage-class upgrade is anticipated |
Compared with TT240N32KOFHPSA1, TD240N32KOFHPSA1 offers identical performance but reflects updated manufacturing traceability; versus TD240N36KOFHPSA1, it trades 400 V blocking margin for tighter cost and footprint control in 3.2 kV-rated installations.
Availability
TD240N32KOFHPSA1 is available at Aetrix Electronics and suitable for industrial AC motor drives, DC power supplies for electroplating, and dynamic braking systems requiring stable component supply and long-term lifecycle support.
Supply support for TD240N32KOFHPSA1 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 quality certification to ISO/TS 16949 and IECQ QC 080000.
This part belongs to Infineon's "Netz-Thyristor-Modul" product line, engineered specifically for high-reliability, high-current phase-control applications in heavy industrial infrastructure including traction, metallurgy, and energy conversion.
FAQ
What is the maximum allowable case temperature for continuous operation?
The maximum allowable case temperature (TC op) is +125°C, verified per datasheet section "Thermische Eigenschaften". Operation above this limit risks irreversible degradation of the AlN isolation and silicon die. Thermal design must ensure TC remains ≤125°C under worst-case ambient and load conditions, using the provided RthJC and RthCH values.
Does TD240N32KOFHPSA1 require an external snubber circuit?
Snubbers are recommended when applied dv/dt exceeds 1000 V/µs - the device's critical (dvD/dt)cr rating. In typical 50/60 Hz B6 rectifiers with standard line reactors, snubbers may be omitted. However, for fast-rising transients (e.g., capacitor-switching events), RC snubbers sized per Infineon Application Note AN2003 are advised to prevent spurious turn-on.
Can TD240N32KOFHPSA1 be used in a single-phase bridge configuration?
Yes - it supports B2 two-pulse bridge operation per datasheet page 8. Each arm handles full load current, so ITAVM remains 240 A per arm. Derating is required: maximum output current drops to ~400 A at TA = 40°C with RthCA = 0.04 °C/W, as shown in the B2 ID vs RthCA graph.
What is the gate drive power requirement for reliable triggering?
Gate drive must deliver ≥1 A peak current with ≤1.5 V forward voltage and minimum 20 µs pulse width (per tgd ≤4.5 µs spec). Total gate energy per pulse is ~15 mJ. Isolated gate drivers with ≥2 W peak output (e.g., Infineon 1ED020I12-F2) meet this requirement while maintaining creepage distance (>19 mm) and insulation integrity.
TD240N32KOFHPSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- Module
- Packaging:
- Tray
- Product Status:
- Obsolete
- Structure:
- Series Connection - SCR/Diode
- Number of SCRs, Diodes:
- 1 SCR, 1 Diode
- Voltage - Off State:
- 3.8 kV
- Current - On State (It (AV)) (Max):
- 446 A
- Current - On State (It (RMS)) (Max):
- 700 A
- Voltage - Gate Trigger (Vgt) (Max):
- 1.5 V
- Current - Gate Trigger (Igt) (Max):
- 250 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 6100A @ 50Hz
- Current - Hold (Ih) (Max):
- 300 mA
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
TD240N32KOFHPSA1 FAQ
1.How can I place an order for TD240N32KOFHPSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TD240N32KOFHPSA1 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 TD240N32KOFHPSA1 reliable?
The price and inventory of TD240N32KOFHPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TD240N32KOFHPSA1 is usually 5 days.
3.What payment methods are accepted for TD240N32KOFHPSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TD240N32KOFHPSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TD240N32KOFHPSA1?
TD240N32KOFHPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TD240N32KOFHPSA1 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 TD240N32KOFHPSA1?
For technical support, including TD240N32KOFHPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TD240N32KOFHPSA1 requirements.
6.How does Aetrix verify that TD240N32KOFHPSA1 is sourced from the original manufacturer or authorized distributors?
All TD240N32KOFHPSA1 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 TD240N32KOFHPSA1 meets industry standards.
7.What is the process for return or replacement of TD240N32KOFHPSA1?
All TD240N32KOFHPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with TD240N32KOFHPSA1, 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 TD240N32KOFHPSA1 part is unused and in its original packaging.
Return procedure for TD240N32KOFHPSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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