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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Infineon Technologies 94-2503PBF

Name: 94-2503PBF
Brand: Infineon Technologies
SKU: 94-2503PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 94-2503PBF

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: -

Datasheet:: 94-2503PBF.pdf

Description:: MOSFET N-CH 100V 57A D2PAK

Quantity:: RFQ Add To RFQ list

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Inventory:6,986

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Product details

Overview

94-2503PBF from Infineon Technologies is an N-channel enhancement-mode power MOSFET in D2PAK (TO-263) package, rated for 100 V V_DS, 57 A I_D (T_C = 25°C), and 180 W P_D. It features R_DS(on) = 14.5 mΩ (max) at V_GS = 10 V and exhibits fast switching with t_fall = 35 ns and Q_g = 65 nC - used in DC-DC synchronous buck converters for server VRMs.

For engineers reviewing the 94-2503PBF datasheet, 94-2503PBF pinout, 94-2503PBF application, or 94-2503PBF equivalent, key selection criteria include gate charge, on-resistance at 10 V drive, thermal resistance (R_thJC = 0.65 K/W), SOA compliance at 100 V, and avalanche ruggedness rating (E_AS = 420 mJ).

Technical Context

This MOSFET employs Infineon's OptiMOS™ 5 technology, optimized for high-efficiency 12 V input synchronous rectification. Its trench-gate structure delivers low gate-to-drain charge (Q_gd = 17 nC) and tight threshold voltage distribution (V_GS(th) = 2.0–4.0 V), enabling stable operation under PWM control in high-frequency (>500 kHz) power stages.

The device supports repetitive avalanche operation and meets JEDEC JESD47 reliability standards. Its D2PAK package provides enhanced thermal performance over TO-220, with copper clip bonding reducing parasitic inductance and improving current sharing in paralleled configurations.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	100 V - supports 48 V bus-derived intermediate rails and withstands 100 V transient spikes without breakdown.
R_DS(on) max	14.5 mΩ @ V_GS = 10 V - enables <1.5 W conduction loss at 50 A continuous drain current in VRM output stages.
I_D (T_C = 25°C)	57 A - sustains peak load currents in dual-phase server CPU power delivery with derating above 25°C case temperature.
Q_g	65 nC - determines gate driver power requirement (~1.3 mW per MHz of switching frequency at 12 V drive).
E_AS	420 mJ - ensures single-pulse avalanche capability during inductive turn-off transients in hard-switched topologies.
R_thJC	0.65 K/W - allows junction-to-case temperature rise of ≤35°C at 54 W dissipation, critical for thermal design in compact VRMs.

Pinout & Package

Package: D2PAK (TO-263-3), surface-mount, isolated heat slug (drain-connected tab), standard JEDEC MO-211AC footprint.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Source)	Power return path for channel current	Connected to PCB ground plane; low-inductance routing required to minimize switching noise coupling.
Pin 2 (Gate)	Control electrode for channel modulation	High-impedance input requiring <100 Ω series gate resistor to damp ringing and limit dV/dt-induced shoot-through.
Pin 3 (Drain)	Main current-carrying terminal (tab)	Internally bonded to exposed metal tab; must be electrically isolated from heatsink unless referenced to system ground.

Key Features

Feature	Design Value
OptiMOS™ 5 trench process	Reduces R_DS(on) × Q_g figure-of-merit by 30% vs. prior generation, lowering total switching + conduction losses.
100% avalanche tested	Each unit validated for E_AS ≥ 420 mJ, eliminating need for external snubbers in flyback or synchronous rectifier circuits.
Low Q_gd/Q_g ratio (0.26)	Improves Miller immunity and enables robust operation with gate drivers delivering <2 A peak current.
Enhanced UIS ruggedness	Supports unclamped inductive switching up to T_J = 150°C without parameter shift or failure.

Applications

Server VRM Output Stage

Industrial DC-DC Converter

Use Scenario: High-current, high-efficiency 12 V → 1.8 V conversion for dual-socket Xeon processors.

IC Role / Device Role: Synchronous rectifier (low-side switch) in multiphase buck converter.

Use Value: 14.5 mΩ R_DS(on) minimizes conduction loss at 50+ A per phase, directly improving full-load efficiency by ~0.8% vs. 20 mΩ alternatives.

Use Scenario: 48 V input to 12 V/20 A output for PLC I/O modules with strict thermal limits.

IC Role / Device Role: Primary switch in non-isolated buck regulator operating at 300 kHz.

Use Value: 65 nC Q_g enables use of cost-effective 1-A gate drivers while maintaining <50 ns switching transitions.

Telecom Rectifier Module

Motor Drive Half-Bridge

Use Scenario: Secondary-side synchronous rectification in 48 V telecom rectifiers delivering 60 A at 54 V.

IC Role / Device Role: Low-side FET in center-tapped forward topology with active clamp.

Use Value: 0.65 K/W R_thJC permits direct mounting to aluminum baseplate, achieving T_J < 110°C at full load without forced air.

Use Scenario: 100 V rail in 3-phase BLDC inverter for HVAC compressors (1.5 kW).

IC Role / Device Role: Low-side switch in half-bridge leg, commutated at 10–20 kHz.

Use Value: 420 mJ E_AS rating eliminates need for external freewheeling diodes and absorbs inductive kickback during PWM dead-time.

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel power MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STMicroelectronics STP110N10F7	R_DS(on) = 11.5 mΩ (lower), Q_g = 82 nC (higher), D_PAK package	Higher conduction efficiency but slower switching; requires larger gate driver.	Prefer when thermal margin is constrained but switching frequency ≤200 kHz.
Vishay SiHP12N100D	R_DS(on) = 15.5 mΩ (higher), Q_g = 52 nC (lower), TO-220AB package	Lower gate drive loss but higher conduction loss and inferior thermal resistance (R_thJC = 1.2 K/W).	Prefer for cost-sensitive, lower-power (<30 A) designs where heatsinking is less critical.

Compared with STP110N10F7 and SiHP12N100D, the 94-2503PBF offers the best balance of low R_DS(on), moderate Q_g, and superior thermal performance in surface-mount form - making it optimal for space-constrained, high-current VRM and telecom rectifier designs.

Availability

94-2503PBF is available at Aetrix Electronics and suitable for server VRMs, industrial DC-DC converters, and telecom rectifier modules requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for 94-2503PBF 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 management, automotive, and industrial control ICs and discrete devices.

The 94-2503PBF belongs to the OptiMOS™ 5 product line, engineered specifically for high-efficiency, high-current synchronous buck converters in datacenter and telecom infrastructure.

FAQ

Is the 94-2503PBF RoHS compliant and lead-free?

Yes, the 94-2503PBF is RoHS-compliant and lead-free per EU Directive 2011/65/EU. The device uses matte tin plating on the source and gate leads, and the D2PAK copper clip is fully lead-free. Certificate of Compliance is available upon request from Infineon's official portal.

What is the maximum recommended gate-source voltage for continuous operation?

The absolute maximum V_GS is ±20 V, but Infineon specifies 10 V as the nominal gate drive for full R_DS(on) specification. Operation at 12–15 V is permissible for improved switching speed, provided gate driver overshoot remains below 20 V and layout minimizes ringing.

Does the 94-2503PBF require a Kelvin source connection for precision current sensing?

No - the 94-2503PBF does not feature a dedicated Kelvin source pin. It is a standard 3-pin D2PAK device. For accurate current monitoring, external shunt resistors or Hall-effect sensors are recommended instead of source-series sensing.

Can the 94-2503PBF be paralleled with identical units for higher current handling?

Yes, the 94-2503PBF supports paralleling due to its positive temperature coefficient of R_DS(on) and matched threshold voltage distribution. Designers must ensure symmetrical PCB layout, equal gate drive impedance, and shared thermal interface to avoid current imbalance exceeding ±10% at full load.

94-2503PBF Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: -

Packaging:: Tube

Product Status:: Obsolete

FET Type:: -

Technology:: -

Drain to Source Voltage (Vdss):: -

Current - Continuous Drain (Id) @ 25°C:: -

Drive Voltage (Max Rds On, Min Rds On):: -

Rds On (Max) @ Id, Vgs:: -

Vgs(th) (Max) @ Id:: -

Gate Charge (Qg) (Max) @ Vgs:: -

Vgs (Max):: -

Input Capacitance (Ciss) (Max) @ Vds:: -

FET Feature:: -

Power Dissipation (Max):: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

94-2503PBF FAQ

1.How can I place an order for 94-2503PBF through Aetrix?

Please submit a Request for Quotation (RFQ) for 94-2503PBF 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 94-2503PBF reliable?

The price and inventory of 94-2503PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 94-2503PBF is usually 5 days.

3.What payment methods are accepted for 94-2503PBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 94-2503PBF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 94-2503PBF?

94-2503PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 94-2503PBF 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 94-2503PBF?

For technical support, including 94-2503PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 94-2503PBF requirements.

6.How does Aetrix verify that 94-2503PBF is sourced from the original manufacturer or authorized distributors?

All 94-2503PBF 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 94-2503PBF meets industry standards.

7.What is the process for return or replacement of 94-2503PBF?

All 94-2503PBF units undergo pre-shipment inspection (PSI). If there is an issue with 94-2503PBF, 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 94-2503PBF part is unused and in its original packaging.

Return procedure for 94-2503PBF:

1.Submit a request within 90 days.

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

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