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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Infineon Technologies D1481N62TXPSA1

Name: D1481N62TXPSA1
Brand: Infineon Technologies
SKU: D1481N62TXPSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: D1481N62TXPSA1

Manufacturer:: Infineon Technologies

Category:: Single Diodes

Package:: DO-200AC, K-PUK

Datasheet:: D1481N62TXPSA1.pdf

Description:: DIODE GEN PURP 6.2KV 2200A

Quantity:: RFQ Add To RFQ list

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Inventory:2,597

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Product details

Overview

D1481N62TXPSA1 from Infineon Technologies is a high-power, hermetically sealed ceramic-packaged press-pack rectifier diode designed for medium-voltage converter and crowbar applications. It delivers V_RRM = 6800 V, I_FAVM = 1590 A (T_C = 100 °C), I_FSM = 28 kA, V_T0 = 0.75 V, and r_T = 0.42 mΩ, operating reliably across –40 °C to +160 °C junction temperature range.

For engineers reviewing the D1481N62TXPSA1 datasheet, D1481N62TXPSA1 pinout, D1481N62TXPSA1 application, or D1481N62TXPSA1 equivalent, key selection criteria include clamping force (15–36 kN), two-sided thermal resistance (R_thJC = 14 K/kW), reverse recovery charge (Q_r = 11 mAs), and case non-rupture current capability in pulsed power systems.

Technical Context

This device is a silicon press-pack diode with double-sided cooling interface and pressure-contact die assembly, enabling high-current conduction and robust surge handling without solder interconnects. Its design supports DC blocking stability up to 6800 V and maintains low forward voltage drop (v_F ≤ 1.80 V at 2500 A) even at T_vj = 160 °C.

The diode exhibits controlled reverse recovery behavior: Q_r = 7.2 mAs (typ.) and I_RM = 210 A (typ.) under 100 V reverse bias, with I_RM rising to 300 A (max.) at 1000 V - critical for snubberless crowbar and drive rectifier designs where dI/dt stress exceeds 10 A/µs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	6800 V - maximum repetitive reverse voltage; enables use in 6.3 kV-class medium-voltage converters
I_FAVM	1590 A @ T_C = 100 °C - average on-state current rating defines continuous DC output capability
I_FSM	28000 A @ t_P = 10 ms - peak non-repetitive surge current withstand for short-circuit protection
V_T0 / r_T	0.75 V / 0.42 mΩ - threshold voltage and slope resistance determine forward conduction loss at high current
R_thJC	14 K/kW (two-sided) - junction-to-case thermal resistance sets minimum heatsink requirement for thermal management
Q_r	11 mAs (max) @ V_R = 1000 V - recovered charge directly impacts switching losses and snubber sizing in hard-commutated circuits
Clamping Force	15–36 kN - mechanical compression range required to maintain low contact resistance and thermal interface integrity

Pinout & Package

Hermetically sealed ceramic press-pack package with two metal terminals: Anode (Terminal 1) and Cathode (Terminal 2). Diameter: 76 mm; Contact diameter: 50 mm; Height: 26 mm; Weight: ~600 g. Requires external mechanical clamping for electrical and thermal contact.

Pin/Terminal	Circuit Role	Design Meaning
Anode (Terminal 1)	Current entry point during forward conduction	Must be mounted to heatsink with defined clamping force (15–36 kN); polarity-sensitive for series/parallel stacking
Cathode (Terminal 2)	Current exit point during forward conduction	Electrically isolated mounting surface; used for cathode-side cooling or series connection in multi-diode stacks

Key Features

Feature	Design Value
Hermetic ceramic packaging	Enables operation in harsh environments (humidity, dust, vacuum) without encapsulation degradation
Two-sided cooling interface	Supports symmetric heat extraction from both anode and cathode, reducing thermal gradient across Si die
High case non-rupture current	Withstands mechanical stress from high di/dt-induced Lorentz forces without housing fracture
Full 50/60 Hz blocking over –40 °C to +160 °C	Validated DC and AC blocking stability across full industrial temperature range without derating

Applications

Drive Rectifier

Medium Voltage Converter

Use Scenario: Three-phase AC/DC front-end in high-power motor drives (e.g., traction inverters, industrial extruders).

IC Role / Device Role / Timing Role: Main-line rectifier conducting >1500 A RMS, handling regenerative energy during braking.

Use Value: Low r_T (0.42 mΩ) minimizes conduction loss at rated current; high I_FSM ensures fault ride-through during grid transients.

Use Scenario: Input stage of 3.3–6.5 kV modular multilevel converters (MMC) for renewable energy integration.

IC Role / Device Role / Timing Role: Uncontrolled rectification in series-stacked valve modules requiring voltage sharing and thermal symmetry.

Use Value: 6800 V V_RRM and two-sided cooling enable scalable, parallelable architecture with <14 K/kW R_thJC.

Crowbar Protection

Pulsed Power System

Use Scenario: Overvoltage protection in particle accelerator magnet supplies or fusion plasma control systems.

IC Role / Device Role / Timing Role: Fast-acting crowbar switch that shorts faulted DC bus to trigger upstream breaker tripping.

Use Value: High I_FSM (28 kA) and low Q_r (11 mAs) ensure reliable conduction initiation without thermal runaway during microsecond-scale faults.

Use Scenario: Pulse-forming network (PFN) charging and discharge switching in radar modulators and laser drivers.

IC Role / Device Role / Timing Role: High-current freewheeling diode managing inductive kickback in repetitive pulse cycles.

Use Value: Hermetic ceramic housing prevents outgassing in vacuum chambers; creepage distance ≥30 mm supports high-voltage isolation in compact layouts.

Availability

D1481N62TXPSA1 is available at Aetrix Electronics and suitable for medium voltage converters, drive rectifiers, crowbar protection circuits, and pulsed power systems requiring stable component supply with long-term industrial lifecycle support.

Supply support for D1481N62TXPSA1 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, automotive ICs, and security solutions, with global manufacturing and R&D infrastructure.

This part belongs to Infineon's high-power press-pack diode product line, engineered for reliability in mission-critical industrial power conversion where solder-free mechanical interconnects and hermetic sealing are mandatory.

FAQ

What is the recommended clamping force range for D1481N62TXPSA1?

The device requires mechanical clamping between 15 kN and 36 kN to ensure optimal thermal contact and low-resistance current path. Below 15 kN, contact resistance rises sharply; above 36 kN risks ceramic housing fracture. Force must be applied uniformly using calibrated torque tools per Infineon's mounting guidelines.

Does D1481N62TXPSA1 support single-sided cooling?

Yes - it supports anode-sided, cathode-sided, or two-sided cooling configurations. Thermal resistance varies: R_thJC = 27.0 K/kW (anode-only), 29.0 K/kW (cathode-only), and 14.0 K/kW (two-sided). Two-sided is strongly recommended for rated current operation to avoid localized hot spots.

How does reverse recovery performance vary with voltage?

At 100 V reverse bias, Q_r = 7.2 mAs (typ.) and I_RM = 210 A (typ.); at 1000 V, Q_r increases to 11 mAs (max.) and I_RM to 300 A (max.). This voltage-dependent behavior reflects carrier lifetime modulation and must be accounted for in snubber design.

Can D1481N62TXPSA1 be paralleled with other diodes?

Yes - but only with matched units (same lot, identical V_F and Q_r characteristics) and symmetrical mechanical/electrical layout. Parallel operation requires individual current-sharing resistors or forced-air-cooled heatsinks with <±2 K temperature uniformity across all devices.

D1481N62TXPSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: DO-200AC, K-PUK

Packaging:: Bulk

Product Status:: Obsolete

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 6200 V

Current - Average Rectified (Io):: 2200A

Voltage - Forward (Vf) (Max) @ If:: 1.8 V @ 2500 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 50 mA @ 6200 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Clamp On

Supplier Device Package:: -

Operating Temperature - Junction:: -40°C ~ 160°C

D1481N62TXPSA1 FAQ

1.How can I place an order for D1481N62TXPSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for D1481N62TXPSA1 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 D1481N62TXPSA1 reliable?

The price and inventory of D1481N62TXPSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D1481N62TXPSA1 is usually 5 days.

3.What payment methods are accepted for D1481N62TXPSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1481N62TXPSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for D1481N62TXPSA1?

D1481N62TXPSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your D1481N62TXPSA1 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 D1481N62TXPSA1?

For technical support, including D1481N62TXPSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1481N62TXPSA1 requirements.

6.How does Aetrix verify that D1481N62TXPSA1 is sourced from the original manufacturer or authorized distributors?

All D1481N62TXPSA1 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 D1481N62TXPSA1 meets industry standards.

7.What is the process for return or replacement of D1481N62TXPSA1?

All D1481N62TXPSA1 units undergo pre-shipment inspection (PSI). If there is an issue with D1481N62TXPSA1, 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 D1481N62TXPSA1 part is unused and in its original packaging.

Return procedure for D1481N62TXPSA1:

1.Submit a request within 90 days.

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

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