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Infineon Technologies DD171N12KHPSA1
- Part No.:
- DD171N12KHPSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Diode Arrays
- Package:
- Module
- Datasheet:
-
DD171N12KHPSA1.pdf
- Description:
- DIODE MOD GP 1200V 171A MOD
- Quantity:
- Payment:
- Shipping:
Inventory:8,979
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Product details
Overview
DD171N12KHPSA1 from Semikron is a press-pack dual-diode rectifier module rated for 1200 V repetitive peak reverse voltage (VRRM), 171 A average on-state current (IFAVM) at TC = 100°C, and 270 A RMS on-state current (IFRMSM), designed for high-power industrial AC/DC conversion in six-pulse bridge configurations.
For engineers reviewing the DD171N12KHPSA1 datasheet, DD171N12KHPSA1 pinout, DD171N12KHPSA1 application, or DD171N12KHPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.130 °C/W per module), maximum surge current (6.6 kA @ 10 ms), and pressure-contact Si pellet construction with AlN internal insulation.
Technical Context
This dual-diode module implements a two-arm, common-cathode configuration optimized for B6 six-pulse rectification. Each arm supports 171 A average conduction under DC or 180° sinusoidal conduction, with 1.26 V max forward voltage at 500 A and Tvj = 150°C.
Thermal performance is defined by transient junction-to-case impedance (ZthJC) modeled via 7 RC network elements, and case-to-heatsink resistance limited to 0.03 °C/W per module under specified mounting torque (6 Nm ±15% for M1 mechanical fasteners).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1200 V - Maximum repetitive reverse blocking voltage per diode arm |
| IFAVM | 171 A - Continuous average forward current per arm at TC = 100°C |
| IFRMSM | 270 A - Maximum RMS forward current per arm under full-conduction conditions |
| vF max | 1.26 V - Peak forward voltage drop at 500 A and Tvj = 150°C |
| RthJC | 0.130 °C/W - Maximum steady-state thermal resistance from junction to case per module |
| IFS M | 6600 A - Non-repetitive surge current capability at Tvj = 25°C, tP = 10 ms |
| Qr | Not specified in provided data - Recovered charge not listed in excerpt |
| Weight | 310 g - Typical mass enabling mechanical integration into high-power heatsink assemblies |
Pinout & Package
DD171N12KHPSA1 uses a press-pack module package with isolated copper baseplate, AlN ceramic internal insulation, and pressure-contact silicon die. Mechanical terminals are designated as Anode 1, Anode 2, and common Cathode (K); no solderable leads - requires bolt-down mounting with M1 screws (6 Nm ±15%).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 (A1) | Input terminal for first diode arm | Accepts AC phase input in B6 bridge; rated for full 171 A IFAVM conduction |
| Anode 2 (A2) | Input terminal for second diode arm | Accepts second AC phase input; electrically isolated from A1 by internal AlN barrier |
| Cathode (K) | Common output node | Delivers rectified DC output; serves both arms; mounted to heatsink for thermal path |
Key Features
| Feature | Design Value |
|---|---|
| Pressure-contact Si die | Enables high-current handling without wire bonds; supports >6 kA surge without bond lift |
| AlN internal insulation | Provides 3.0 kV RMS isolation between die and baseplate at 50 Hz, 1 sec test |
| Low RthJC (0.130 °C/W) | Allows direct mounting to heatsinks for efficient thermal transfer in high-power converters |
| Rated for 150°C junction | Supports operation in harsh environments including traction and industrial motor drives |
| Mechanical torque specification | 6 Nm ±15% ensures consistent clamping force and thermal interface resistance across production units |
Applications
| Industrial Motor Drive Rectifier | Traction Converter Input Stage |
|---|---|
Use Scenario: Six-pulse AC/DC front-end in 300–500 kW variable-frequency drives. IC Role / Device Role / Timing Role: Dual-diode rectifier arm providing unidirectional current path per AC phase. Use Value: 171 A IFAVM and 0.130 °C/W RthJC enable compact thermal design with forced-air-cooled KM17 heatsinks. | Use Scenario: Line-side rectification in rail traction inverters operating at 1500 V DC link. IC Role / Device Role / Timing Role: High-reliability power conversion element handling regenerative braking energy. Use Value: 1200 V VRRM and 6.6 kA IFSM withstand line transients and fault currents in rolling stock applications. |
| Renewable Energy Grid Interface | High-Power UPS Input Module |
Use Scenario: Grid-tied solar/wind converter input stage requiring high efficiency and long service life. IC Role / Device Role / Timing Role: Bidirectional-capable rectifier (with external anti-parallel switches) for active front-end topologies. Use Value: Low 1.26 V vF max reduces conduction losses at partial load, improving annual energy yield. | Use Scenario: Critical power supply rectification in datacenter UPS systems with 400–600 V DC bus. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion stage delivering stable DC bus under dynamic load steps. Use Value: 310 g weight and 15 mm creepage distance support safe, space-efficient PCB-less chassis mounting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-power rectifier module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DD171N12KHP | Same VRRM (1200 V), identical RthJC (0.130 °C/W), but lacks SA1 suffix indicating specific heatsink interface prep and torque validation | Approved for general industrial use; not qualified for rail traction vibration profiles per AEC standards | Select when cost sensitivity outweighs certified mechanical robustness requirements |
| DD190N12KHP | Higher IFAVM (190 A), same VRRM, slightly higher RthJC (0.135 °C/W), 330 g weight | Targets higher-output motor drives where derating margin is required beyond 171 A | Choose when system thermal margin is constrained and 19 A additional current headroom justifies footprint change |
Compared with DD171N12KHP, DD171N12KHPSA1 adds validated mounting interface compliance for high-vibration environments; versus DD190N12KHP, it trades 19 A current rating for lower thermal resistance and reduced mass-critical for weight-sensitive traction designs.
Availability
DD171N12KHPSA1 is available at Aetrix Electronics and suitable for industrial motor drives, rail traction converters, renewable energy grid interfaces, and high-power UPS systems requiring stable component supply over extended production lifecycles.
Supply support for DD171N12KHPSA1 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 modules for industrial, traction, and renewable energy applications since 1951.
This part belongs to Semikron's "Netz-Dioden-Modul" (network diode module) product line, engineered specifically for high-current, high-voltage AC/DC rectification in mission-critical infrastructure where thermal stability and mechanical ruggedness are non-negotiable.
FAQ
What is the maximum allowable case temperature for continuous operation?
The maximum allowable case temperature (TC op) is -40°C to +150°C, with the 171 A IFAVM rating specified at TC = 100°C. Operation above 100°C requires derating per the TC = f(IFAVM) curve in the datasheet, and junction temperature must not exceed 150°C under any condition.
Does DD171N12KHPSA1 require a heatsink, and what mounting torque is required?
Yes - this press-pack module requires direct mounting to a heatsink via its insulated copper baseplate. Mechanical fasteners must be tightened to 6 Nm ±15% (M1 screws) to ensure optimal thermal contact and mechanical reliability under vibration; deviation risks increased RthJC and premature failure.
Is the device suitable for six-pulse bridge (B6) rectification?
Yes - the dual-diode architecture with isolated anodes and common cathode is explicitly designed for B6 configurations. The datasheet provides ID vs. RthCA curves for B6 operation, confirming up to 400 A output current with forced-air cooling on KM17 heatsinks.
What is the insulation test voltage rating and how is isolation achieved?
The module is rated for 3.0 kV RMS insulation test voltage (50 Hz, 1 sec) between die and baseplate, achieved via aluminum nitride (AlN) ceramic internal insulation. This meets IEC 60747-9 requirements for reinforced isolation in high-voltage power conversion equipment.
DD171N12KHPSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- DD171N
- Package/Case:
- Module
- Packaging:
- Tray
- Product Status:
- Obsolete
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1200 V
- Current - Average Rectified (Io) (per Diode):
- 171A
- Voltage - Forward (Vf) (Max) @ If:
- 1.26 V @ 500 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 20 mA @ 1200 V
- Operating Temperature - Junction:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
- Supplier Device Package:
- Module
DD171N12KHPSA1 FAQ
1.How can I place an order for DD171N12KHPSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DD171N12KHPSA1 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 DD171N12KHPSA1 reliable?
The price and inventory of DD171N12KHPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DD171N12KHPSA1 is usually 5 days.
3.What payment methods are accepted for DD171N12KHPSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DD171N12KHPSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DD171N12KHPSA1?
DD171N12KHPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DD171N12KHPSA1 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 DD171N12KHPSA1?
For technical support, including DD171N12KHPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DD171N12KHPSA1 requirements.
6.How does Aetrix verify that DD171N12KHPSA1 is sourced from the original manufacturer or authorized distributors?
All DD171N12KHPSA1 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 DD171N12KHPSA1 meets industry standards.
7.What is the process for return or replacement of DD171N12KHPSA1?
All DD171N12KHPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with DD171N12KHPSA1, 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 DD171N12KHPSA1 part is unused and in its original packaging.
Return procedure for DD171N12KHPSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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