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

Infineon Technologies 94-2335

Name: 94-2335
Brand: Infineon Technologies
SKU: 94-2335
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 94-2335

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Datasheet:: 94-2335.pdf

Description:: MOSFET N-CH 55V 28A DPAK

Quantity:: RFQ Add To RFQ list

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Inventory:5,916

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Product details

Overview

IRLR2705 from International Rectifier is a logic-level N-channel Power MOSFET in TO-252AA (D-Pak) package, rated for 55 V V_DS, 28 A continuous drain current at 25°C, and 0.040 Ω R_DS(on) at V_GS = 10 V. It features ultra-low on-resistance, fast switching, full avalanche rating, and surface-mount compatibility-used in DC-DC converters, motor drivers, and load-switching circuits.

For engineers reviewing the 94-2335 datasheet, 94-2335 pinout, 94-2335 application, or 94-2335 equivalent, key selection criteria include verified R_DS(on) at 4.0–5.0 V gate drive, junction-to-case thermal resistance of 2.2 °C/W, avalanche energy rating of 110 mJ, and confirmed TO-252AA lead assignment (G-D-S-D).

Technical Context

This fifth-generation HEXFET uses advanced silicon processing to minimize R_DS(on) per die area while maintaining rugged unclamped inductive switching capability. Its gate threshold voltage (1.0–2.0 V) enables direct drive from 3.3 V/5 V logic, and its low Q_g (25 nC) and Q_gd (14 nC) support high-frequency PWM operation up to several hundred kHz.

The device integrates a robust body diode with t_rr = 76–110 ns and Q_rr = 190–290 nC under defined di/dt conditions. Thermal design is enabled by validated R_θJC = 2.2 °C/W and R_θJA = 50 °C/W (PCB mount), supporting power dissipation up to 68 W at T_C = 25°C with linear derating of 0.45 W/°C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	55 V - Maximum blocking voltage before avalanche; supports 24 V and 48 V bus systems with margin
R_DS(on) @ V_GS = 10 V	0.040 Ω - Confirmed static on-resistance enabling ≤1.1 W conduction loss at 17 A
I_D Continuous @ T_C = 25°C	28 A - Verified package-limited current; derates to 20 A at 100°C case temperature
E_AS	110 mJ - Single-pulse avalanche energy rating; supports unclamped inductive switching in motor control
Q_g	25 nC - Total gate charge measured at V_DS = 44 V, I_D = 16 A; determines driver strength requirement
t_r/t_f	100/29 ns - Rise/fall times at V_DD = 28 V, R_G = 6.5 Ω; defines minimum practical switching period
R_θJC	2.2 °C/W - Junction-to-case thermal resistance; enables direct heatsink mounting for high-power density designs

Pinout & Package

Package: TO-252AA (D-Pak), JEDEC-compliant surface-mount outline with exposed drain pad for thermal and electrical connection.

Pin/Terminal	Circuit Role	Design Meaning
1	Gate	Control terminal; requires <2.0 V threshold to turn on; driven directly by 3.3 V/5 V microcontrollers
2	Drain	Main high-side switching node; electrically connected to exposed backside pad for thermal path
3	Source	Power return path; referenced to ground in low-side configurations; carries full load current
4	Drain	Second drain connection; paralleled with Pin 2 to reduce package inductance and improve thermal spreading

Key Features

Feature	Design Value
Logic-level gate drive	Operates fully enhanced at V_GS = 4.0 V (R_DS(on) = 0.065 Ω), eliminating need for gate boosters in 5 V systems
Fully avalanche-rated	Withstands 110 mJ single-pulse avalanche energy without failure-critical for relay replacement and inductive load switching
Ultra-low R_DS(on)	0.040 Ω at 10 V ensures <1.2 W conduction loss at 17 A, reducing thermal footprint in compact PCB layouts
Fast switching	29 ns fall time and 14 nC Miller charge enable >500 kHz PWM in synchronous buck regulators
Surface-mount optimized	TO-252AA package supports vapor-phase and wave soldering; 2.2 °C/W R_θJC allows direct copper pour heatsinking

Applications

DC-DC Synchronous Buck Converter

Brushed DC Motor Driver

Use Scenario: High-efficiency 12 V input → 3.3 V/5 V output power stage in embedded controllers.

IC Role / Device Role: Low-side synchronous rectifier replacing Schottky diode to reduce conduction loss.

Use Value: 0.040 Ω R_DS(on) cuts rectifier loss by >60% vs. 0.5 V diode drop at 10 A, improving efficiency by ~3% at full load.

Use Scenario: H-bridge driver for 24 V brushed motors in industrial actuators and robotics.

IC Role / Device Role: Low-side switch controlling motor direction and PWM speed regulation.

Use Value: 110 mJ avalanche rating safely clamps inductive kickback during PWM turn-off, eliminating external snubbers.

Hot-Swap Load Switch

LED Constant-Current Driver

Use Scenario: Inrush-limited 48 V supply rail enabling safe board insertion into live backplanes.

IC Role / Device Role: High-current series pass element with controlled gate ramp for soft-start.

Use Value: 28 A continuous rating and 2.2 °C/W R_θJC support 20 A steady-state loads with minimal heatsink area.

Use Scenario: Dimmable constant-current driver for high-brightness LED strings in signage and lighting.

IC Role / Device Role: PWM-controlled current sink regulating LED string current up to 17 A.

Use Value: 76 ns reverse recovery time and low Q_rr minimize switching losses and EMI during high-frequency dimming.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP55NF06L	R_DS(on) = 0.018 Ω @ 10 V; higher capacitance (C_iss = 1900 pF); TO-220 package	Requires through-hole layout and larger heatsink; better for lower-frequency, higher-current linear regulation	Select when lower R_DS(on) outweighs surface-mount constraint and switching speed needs
IRLZ44N	R_DS(on) = 0.028 Ω @ 5 V; lower ID rating (47 A pulsed, 29 A continuous); same TO-252AA package	Higher gate charge (38 nC) limits max PWM frequency; less avalanche ruggedness (E_AS = 78 mJ)	Choose for cost-sensitive 5 V logic-driven apps where 110 mJ avalanche margin is not required

Compared with STP55NF06L and IRLZ44N, 94-2335 offers optimal balance of surface-mount compatibility, 0.040 Ω R_DS(on) at 10 V, 110 mJ avalanche rating, and 25 nC gate charge-making it preferred for space-constrained, high-reliability 24–48 V switching applications.

Availability

94-2335 is available at Aetrix Electronics and suitable for DC-DC converters, motor drivers, and hot-swap load switches requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for 94-2335 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

International Rectifier (now part of Infineon Technologies) is a pioneer in power semiconductor innovation, specializing in high-efficiency MOSFETs, IGBTs, and driver ICs for industrial and automotive markets.

The HEXFET family-including the IRLR2705-is engineered for high-power-density switching applications demanding low conduction loss, fast transition times, and rugged transient handling in compact surface-mount formats.

FAQ

What is the maximum gate-to-source voltage rating for 94-2335?

The absolute maximum V_GS is ±16 V. Operation beyond this risks permanent gate oxide damage. For reliable 3.3 V or 5 V microcontroller drive, the device's 1.0–2.0 V threshold and 0.065 Ω R_DS(on) at 4.0 V ensure full enhancement without overvoltage stress.

Can 94-2335 be used in avalanche mode repeatedly?

No-while rated for 110 mJ single-pulse avalanche energy, repetitive avalanche is limited to 6.8 mJ per pulse (E_AR). Repeated unclamped inductive switching must stay within this limit and respect thermal constraints; use external clamping if frequent transients occur.

Is the TO-252AA package lead-free and RoHS compliant?

Yes-per International Rectifier documentation, the IRLR2705 (94-2335) is manufactured with lead-free terminations and complies with RoHS Directive 2011/65/EU. The package uses matte tin plating and meets JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1).

How does the dual-drain pin configuration affect PCB layout?

Pins 2 and 4 are internally connected to the same drain node and the exposed backside pad. Routing both pins to a common large copper pour improves thermal conduction and reduces source inductance (L_S = 7.5 nH), critical for minimizing voltage overshoot during fast switching.

94-2335 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: HEXFET®

Package/Case:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 55 V

Current - Continuous Drain (Id) @ 25°C:: 28A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 4V, 10V

Rds On (Max) @ Id, Vgs:: 40mOhm @ 17A, 10V

Vgs(th) (Max) @ Id:: 2V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 25 nC @ 5 V

Vgs (Max):: ±16V

Input Capacitance (Ciss) (Max) @ Vds:: 880 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 68W (Tc)

Operating Temperature:: -55°C ~ 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TO-252AA (DPAK)

94-2335 FAQ

1.How can I place an order for 94-2335 through Aetrix?

Please submit a Request for Quotation (RFQ) for 94-2335 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 94-2335 reliable?

The price and inventory of 94-2335 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 94-2335 is usually 5 days.

3.What payment methods are accepted for 94-2335?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 94-2335 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 94-2335?

94-2335 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 94-2335 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 94-2335?

For technical support, including 94-2335 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 94-2335 requirements.

6.How does Aetrix verify that 94-2335 is sourced from the original manufacturer or authorized distributors?

All 94-2335 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 94-2335 meets industry standards.

7.What is the process for return or replacement of 94-2335?

All 94-2335 units undergo pre-shipment inspection (PSI). If there is an issue with 94-2335, 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 94-2335 part is unused and in its original packaging.

Return procedure for 94-2335:

1.Submit a request within 90 days.

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

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