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Infineon Technologies TT520N22KOFXPSA1
- Part No.:
- TT520N22KOFXPSA1
- Manufacturer:
- Infineon Technologies
- Category:
- SCRs - Modules
- Package:
- Module
- Datasheet:
-
TT520N22KOFXPSA1.pdf
- Description:
- THYR / DIODE MODULE DK
- Quantity:
- Payment:
- Shipping:
Inventory:8,401
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Product details
Overview
TT520N22KOFXPSA1 from Infineon Technologies is a phase-control thyristor module designed for high-power AC line switching and rectification in industrial drive systems. It delivers 520 A average on-state current (ITAVM) at TC = 85 °C, 2200 V repetitive peak off-state voltage (VDRM/VRRM), and 18 kA non-repetitive surge current (ITSM), enabling robust operation in soft starters and static power controllers.
For engineers reviewing the TT520N22KOFXPSA1 datasheet, TT520N22KOFXPSA1 pinout, TT520N22KOFXPSA1 application, or TT520N22KOFXPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.055 K/W), pressure-contact construction for reliability, gate trigger current (≤250 mA), and electrically insulated baseplate for safe high-voltage isolation.
Technical Context
This dual-thyristor module uses pressure-contact die attachment and aluminum nitride (AlN) insulation to achieve high thermal cycling endurance and stable electrical performance under high di/dt (200 A/µs) and dv/dt (1000 V/µs) stress. Its 125 °C maximum junction temperature and 3.6 kV insulation test voltage support operation in harsh industrial environments with wide ambient ranges (–40 °C to +125 °C).
The module implements a standard two-pulse (B2) or six-pulse (B6) bridge configuration, with conduction-angle-dependent derating curves for ITAVM and total power loss. Thermal impedance modeling (ZthJC analytical elements provided) enables precise transient thermal design for crowbar and UPS rectifier applications requiring fast turn-off (tq = 250 µs typical).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM / VRRM | 2200 V - Maximum repetitive blocking voltage per thyristor arm; defines safe AC line voltage rating up to 1500 V RMS. |
| ITAVM (TC = 85 °C) | 520 A - Continuous DC or sine-conducted RMS current per arm; sets steady-state power handling in soft starters and drives. |
| ITSM (10 ms) | 18000 A - Non-repetitive surge current capability; supports short-circuit protection in crowbar and bypass switch designs. |
| RthJC (per arm) | 0.055 K/W - Junction-to-case thermal resistance; determines minimum heatsink requirement for thermal management at full load. |
| (diT/dt)cr | 200 A/µs - Critical rate of rise of on-state current; ensures reliable commutation without false triggering in phase-controlled rectifiers. |
| VGT max | 2.2 V - Maximum gate trigger voltage at 25 °C; defines minimum driver output compliance for reliable turn-on. |
| Visol (1 sec) | 3.6 kV RMS - Insulation test voltage; certifies reinforced isolation between baseplate and terminals for safety-critical applications. |
Pinout & Package
TT520N22KOFXPSA1 is housed in an industrial-standard press-pack module with electrically insulated AlN baseplate and 60 mm × 60 mm footprint. Terminals are arranged for dual-arm (anti-parallel) thyristor configuration with isolated gate control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 / K2 | Anode 1 / Cathode 2 | Main power terminals for first thyristor arm; configured for B2/B6 bridge input/output routing. |
| K1 / A2 | Cathode 1 / Anode 2 | Main power terminals for second thyristor arm; enables anti-parallel or full-bridge AC switching. |
| G1 / G2 | Gate 1 / Gate 2 | Isolated low-energy gate inputs; require ≤250 mA trigger current and ≤2.2 V trigger voltage per arm. |
| Baseplate | Electrically insulated case | Provides mechanical mounting and thermal path; rated for 3.6 kV isolation from all terminals; pre-applied TIM optional. |
Key Features
| Feature | Design Value |
|---|---|
| Pressure contact technology | Eliminates wire bonds and solder layers, delivering >10⁶ thermal cycles and stable RthJC over lifetime. |
| Advanced Medium Power Technology (AMPT) | Optimized silicon structure enabling 0.85 V threshold voltage and 0.35 mΩ slope resistance at 125 °C junction. |
| Electrically insulated baseplate | AlN ceramic isolation (class I, EN61140) allows direct mounting to grounded heatsinks without additional insulation. |
| Pre-applied TIM option | Reduces RthCH by up to 25% (to 0.0075 K/W per module) versus bare metal interface, simplifying thermal assembly. |
Applications
| Soft Starter | Rectifier for Drives |
|---|---|
Use Scenario: Controlled ramp-up of induction motor voltage during startup to limit inrush current and mechanical stress. IC Role / Device Role / Timing Role: Phase-controlled thyristor arm regulating AC voltage magnitude via firing angle adjustment. Use Value: Enables smooth torque delivery using 520 A ITAVM and 2200 V VDRM to handle 400–690 VAC industrial mains. |
Use Scenario: AC-to-DC conversion in variable-frequency drive front-ends with regenerative braking support. IC Role / Device Role / Timing Role: Dual-arm thyristor module operating in B6 six-pulse configuration for low-harmonic rectification. Use Value: Delivers 1050 A ITRMSM and withstands 14.5 kA ITSM (Tvj max) for transient overload resilience in drive inverters. |
| Crowbar Protection | Static Switch / Bypass |
Use Scenario: Fast-acting short-circuit path across sensitive DC bus during overvoltage events in UPS or power supplies. IC Role / Device Role / Timing Role: High-di/dt thyristor triggered to conduct within 4 µs (tgd max) and sustain 18 kA ITSM for 10 ms. Use Value: Guarantees system-level fault containment using 200 A/µs (diT/dt)cr and 250 µs tq (turn-off time) for controlled energy dump. |
Use Scenario: Seamless transfer between utility and backup power sources in critical infrastructure with zero-break switching. IC Role / Device Role / Timing Role: Bidirectional thyristor pair providing low-loss, galvanically isolated AC power path with <1.5 V vT max. Use Value: Achieves <0.35 mΩ rT and 0.055 K/W RthJC to maintain <100 W conduction loss at 500 A, minimizing thermal stress during extended bypass operation. |
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 |
|---|---|---|---|
| TD520N22KOF | Same die and package but without pre-applied TIM; RthCH = 0.01 K/W (vs. 0.0075 K/W with TIM on TT520N22KOFXPSA1). | Requires user-applied thermal interface material; suitable where TIM process control is already established. | Select when TIM application is standardized in production and lower upfront cost is prioritized over assembly simplification. |
| TT650N22KOF | Higher ITAVM (650 A at TC = 85 °C); identical VDRM, RthJC (0.055 K/W), and gate characteristics. | Supports higher continuous current in upgraded soft starters or larger UPS rectifiers without changing heatsink layout. | Choose for future-proofing or margin expansion where space and cooling capacity allow increased current rating. |
Compared with TD520N22KOF and TT650N22KOF, TT520N22KOFXPSA1 offers optimized thermal interface integration for rapid deployment in volume soft starter and static switch assemblies, balancing current rating, isolation integrity, and assembly efficiency.
Availability
TT520N22KOFXPSA1 is available at Aetrix Electronics and suitable for soft starters, rectifiers for industrial drives, and static bypass switches requiring stable component supply, long-lifecycle assurance, and certified isolation performance.
Supply support for TT520N22KOFXPSA1 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 9001 and IATF 16949.
This thyristor module belongs to Infineon's "Netz-Thyristor-Modul" product line, engineered specifically for high-reliability AC power control in mission-critical industrial equipment including motor drives, UPS systems, and grid-tied converters.
FAQ
What is the maximum allowable junction temperature for TT520N22KOFXPSA1?
The absolute maximum junction temperature (Tvj max) is 125 °C, as specified in the official Infineon technical information document revision 3.3. Operation beyond this limit risks irreversible degradation of the silicon die and pressure-contact interface. Thermal design must ensure that transient and steady-state junction temperatures remain below this value under worst-case load and ambient conditions.
Does TT520N22KOFXPSA1 include pre-applied thermal interface material?
Yes - the "XPSA1" suffix indicates factory-applied thermal interface material (TIM) on the baseplate. This reduces the case-to-heatsink thermal resistance (RthCH) to 0.0075 K/W per module, improving thermal performance by up to 25% compared to bare-metal mounting. The TIM is qualified for storage between +5 °C and +40 °C.
Can TT520N22KOFXPSA1 be used in a single-phase full-wave rectifier?
Yes - it is configured as a dual-thyristor module with isolated gates and common baseplate, supporting single-phase full-wave (B2) bridge topologies. Its 520 A ITAVM rating and 2200 V VDRM allow direct use in 480 VAC and 690 VAC single-phase rectifier applications, provided gate drive timing and snubber networks comply with Infineon's recommended firing angle and commutation guidelines.
What is the gate trigger current requirement at maximum junction temperature?
The maximum gate trigger current (IGT) is 250 mA at Tvj = 25 °C, but rises to approximately 320 mA at Tvj = 125 °C due to increased silicon threshold voltage. Gate drivers must deliver ≥350 mA peak current with ≥2.2 V compliance to ensure reliable turn-on across the full operating temperature range, as confirmed by Infineon's gate characteristic curves (vG vs. iG) in the technical documentation.
TT520N22KOFXPSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- TT
- Package/Case:
- Module
- Packaging:
- Tray
- Product Status:
- Active
- Structure:
- Series Connection - All SCRs
- Number of SCRs, Diodes:
- 2 SCRs
- Voltage - Off State:
- 2.2 kV
- Current - On State (It (AV)) (Max):
- 520 A
- Current - On State (It (RMS)) (Max):
- 1050 A
- Voltage - Gate Trigger (Vgt) (Max):
- 2.2 V
- Current - Gate Trigger (Igt) (Max):
- 250 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 18000A @ 50Hz
- Current - Hold (Ih) (Max):
- 300 mA
- Operating Temperature:
- 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
TT520N22KOFXPSA1 FAQ
1.How can I place an order for TT520N22KOFXPSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TT520N22KOFXPSA1 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 TT520N22KOFXPSA1 reliable?
The price and inventory of TT520N22KOFXPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TT520N22KOFXPSA1 is usually 5 days.
3.What payment methods are accepted for TT520N22KOFXPSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TT520N22KOFXPSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TT520N22KOFXPSA1?
TT520N22KOFXPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TT520N22KOFXPSA1 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 TT520N22KOFXPSA1?
For technical support, including TT520N22KOFXPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TT520N22KOFXPSA1 requirements.
6.How does Aetrix verify that TT520N22KOFXPSA1 is sourced from the original manufacturer or authorized distributors?
All TT520N22KOFXPSA1 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 TT520N22KOFXPSA1 meets industry standards.
7.What is the process for return or replacement of TT520N22KOFXPSA1?
All TT520N22KOFXPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with TT520N22KOFXPSA1, 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 TT520N22KOFXPSA1 part is unused and in its original packaging.
Return procedure for TT520N22KOFXPSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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