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

Infineon Technologies IRF540ZPBF

Name: IRF540ZPBF
Brand: Infineon Technologies
SKU: IRF540ZPBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IRF540ZPBF

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: IRF540ZPBF.pdf

Description:: MOSFET N-CH 100V 36A TO220AB

Quantity:: RFQ Add To RFQ list

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Product details

Overview

IRF540ZPBF from Infineon Technologies is an N-channel enhancement-mode HEXFET® Power MOSFET in TO-220AB package, rated for 100V V_DSS, 36A continuous drain current at T_C = 25°C, and 26.5mΩ R_DS(on) at V_GS = 10V. It features 175°C maximum junction temperature, fast switching (t_r = 51ns, t_f = 39ns), and tested repetitive avalanche capability up to T_jmax, making it suitable for DC-DC converters, motor drives, and power supply primary-side switching.

For engineers reviewing the IRF540ZPBF datasheet, IRF540ZPBF pinout, IRF540ZPBF application, or IRF540ZPBF equivalent, key selection criteria include verified R_DS(on) at 10V gate drive, body diode reverse recovery charge (Q_rr = 41–62nC), thermal resistance (R_θJC = 1.64°C/W), and avalanche energy rating (E_AS = 83mJ).

Technical Context

This MOSFET employs advanced silicon processing to minimize on-resistance per die area while maintaining robust safe operating area (SOA) up to 100V and 36A. Its gate threshold voltage (V_GS(th) = 2.0–4.0V) enables reliable turn-on with standard 10V logic-level drivers.

The integrated body diode exhibits V_SD = 1.3V at I_S = 22A and t_rr = 33–50ns, supporting synchronous rectification and inductive load commutation. Thermal design is supported by validated transient impedance curves and linear derating (1.64°C/W junction-to-case).

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	100V - Maximum blocking voltage before avalanche; defines upper limit for DC bus or flyback primary applications.
R_DS(on)	26.5mΩ max @ V_GS = 10V, T_J = 25°C - Directly determines conduction loss in high-current paths (e.g., 36A × 26.5mΩ = 34W worst-case P_cond).
I_D (cont)	36A @ T_C = 25°C - Continuous current rating under heatsink-cooled conditions; derates to 25A at T_C = 100°C.
Q_g	63nC max - Total gate charge required for full turn-on; impacts driver sizing and switching loss (e.g., 12Ω gate resistor yields ~42ns delay).
E_AS	83mJ - Single-pulse avalanche energy rating; enables unclamped inductive switching without failure if T_j ≤ 175°C.
t_r/t_f	51ns/39ns - Rise/fall times at V_DD = 50V, I_D = 22A, R_G = 12Ω; sets hard-switching frequency ceiling (~200kHz practical limit).
T_J max	175°C - Maximum junction temperature; allows operation in high-ambient industrial environments with appropriate thermal management.

Pinout & Package

IRF540ZPBF is housed in a through-hole TO-220AB package with isolated tab (electrically connected to drain). The package provides low thermal resistance (R_θJC = 1.64°C/W) and mechanical stability for PCB mounting with screw torque of 10 lbf·in (1.1N·m).

Pin/Terminal	Circuit Role	Design Meaning
Drain (Tab)	Main current path collector	Electrically connected to metal tab; requires insulating washer when mounted to grounded heatsink.
Source	Current return path / reference node	Common return for load current and gate drive reference; connects to power ground or low-side switch node.
Gate	Control terminal	High-impedance input requiring <200nA leakage; sensitive to ESD; must be driven with ≥10V for full R_DS(on) specification.

Key Features

Feature	Design Value
Ultra-low R_DS(on)	26.5mΩ at 10V gate drive reduces conduction losses in high-current DC-DC stages and motor H-bridges.
175°C junction rating	Enables operation in sealed enclosures or high-ambient environments without derating beyond thermal limits.
Fast switching speed	51ns rise / 39ns fall time minimizes transition losses in hard-switched topologies up to 200kHz.
Repetitive avalanche rated	Validated for repeated unclamped inductive switching events as long as T_j remains ≤175°C.
Lead-free construction	Complies with RoHS Directive 2011/65/EU; Pb-free plating on leads and tab meets JEDEC J-STD-020 reflow profile.

Applications

DC-DC Converter Primary Switch

Brushed DC Motor Driver

Use Scenario: High-efficiency 48V-to-12V buck converter in telecom power systems operating at 100kHz with 30A output.

IC Role / Device Role / Timing Role: Main power switch controlling energy transfer into output inductor; duty-cycle modulated by PWM controller.

Use Value: 26.5mΩ R_DS(on) limits conduction loss to <2.4W at 30A, enabling >94% efficiency without forced air cooling.

Use Scenario: Half-bridge H-bridge for 24V brushed motor control in industrial automation, reversing direction via complementary drive.

IC Role / Device Role / Timing Role: Low-side switch in dual-MOSFET configuration; synchronized with high-side device using dead-time control.

Use Value: 175°C T_jmax and 36A rating support 100% duty cycle stall current without thermal shutdown in enclosed cabinets.

AC-DC SMPS Primary Side

LED Driver High-Side Switch

Use Scenario: Flyback converter primary switch in 65W offline LED driver with universal AC input (85–265VAC).

IC Role / Device Role / Timing Role: Main switching element clamped by RCD snubber; subjected to 100V+ V_DS spikes during turn-off.

Use Value: 100V V_DSS and 83mJ E_AS ensure reliable operation under reflected output voltage plus leakage inductance spikes.

Use Scenario: Constant-current LED string driver with high-side current sensing and PWM dimming at 1kHz.

IC Role / Device Role / Timing Role: High-side series pass switch between DC bus and LED anode; controlled by isolated gate driver.

Use Value: Fast t_f = 39ns ensures clean PWM edges for flicker-free dimming; low Q_g reduces driver power consumption.

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
STP55NF06L	60V V_DSS, 50A I_D, 14mΩ R_DS(on), TO-220 package	Lower voltage rating limits use to ≤48V systems; higher current capacity suits larger motors.	Select when lower conduction loss at ≤48V is prioritized over 100V headroom.
IRFZ44NPBF	55V V_DSS, 49A I_D, 28mΩ R_DS(on), TO-220 package	Reduced voltage margin increases risk of avalanche in 48V+ inductive loads; similar thermal performance.	Choose only for cost-sensitive ≤36V designs where 55V rating is sufficient and 28mΩ is acceptable.

Compared with STP55NF06L and IRFZ44NPBF, IRF540ZPBF offers superior 100V blocking capability and proven repetitive avalanche behavior-critical for flyback, boost, and motor freewheeling applications where voltage transients exceed 60V.

Availability

IRF540ZPBF is available at Aetrix Electronics and suitable for DC-DC converters, motor drives, and AC-DC SMPS requiring stable component supply and long-term industrial availability.

Supply support for IRF540ZPBF 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 electronics, and industrial control ICs and discrete devices.

The IRF540ZPBF belongs to Infineon's HEXFET® Power MOSFET product line, engineered for high-efficiency, high-reliability power conversion in industrial, computing, and consumer power supplies.

FAQ

Is IRF540ZPBF logic-level compatible?

No. IRF540ZPBF has a gate threshold voltage range of 2.0–4.0V but requires ≥10V V_GS to achieve its specified 26.5mΩ R_DS(on). Driving it with 5V logic results in significantly higher on-resistance (>100mΩ), excessive conduction loss, and potential thermal runaway. A dedicated gate driver or level-shifter is mandatory for microcontroller-based control.

What is the maximum recommended gate resistor value for reliable switching?

For stable turn-on without oscillation and minimal switching loss, a gate resistor of 10–22Ω is recommended when driven by a 1A peak gate driver. Values above 47Ω increase switching time disproportionately, raising transition losses; values below 5Ω risk ringing due to gate loop inductance and require careful PCB layout with short, wide traces and local decoupling.

Does IRF540ZPBF have a built-in ESD protection diode?

No. IRF540ZPBF lacks integrated gate protection diodes. Its gate oxide is susceptible to ESD damage from human handling or system transients. Always use grounded wrist straps during assembly, install TVS diodes across gate-source in final circuits, and avoid floating gate connections during testing or debugging.

Can IRF540ZPBF replace IRF540N in existing designs?

Yes, with verification. IRF540ZPBF improves upon IRF540N with lower R_DS(on) (26.5mΩ vs. 44mΩ), faster switching, and enhanced avalanche ruggedness. However, layout and thermal design must confirm that reduced conduction loss does not mask underlying issues like inadequate heatsinking or marginal SOA margins under fault conditions.

IRF540ZPBF Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: HEXFET®

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 100 V

Current - Continuous Drain (Id) @ 25°C:: 36A (Tc)

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

Rds On (Max) @ Id, Vgs:: 26.5mOhm @ 22A, 10V

Vgs(th) (Max) @ Id:: 4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 63 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 1770 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 92W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220AB

IRF540ZPBF FAQ

1.How can I place an order for IRF540ZPBF through Aetrix?

Please submit a Request for Quotation (RFQ) for IRF540ZPBF 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 IRF540ZPBF reliable?

The price and inventory of IRF540ZPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRF540ZPBF is usually 5 days.

3.What payment methods are accepted for IRF540ZPBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRF540ZPBF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IRF540ZPBF?

IRF540ZPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IRF540ZPBF 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 IRF540ZPBF?

For technical support, including IRF540ZPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRF540ZPBF requirements.

6.How does Aetrix verify that IRF540ZPBF is sourced from the original manufacturer or authorized distributors?

All IRF540ZPBF 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 IRF540ZPBF meets industry standards.

7.What is the process for return or replacement of IRF540ZPBF?

All IRF540ZPBF units undergo pre-shipment inspection (PSI). If there is an issue with IRF540ZPBF, 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 IRF540ZPBF part is unused and in its original packaging.

Return procedure for IRF540ZPBF:

1.Submit a request within 90 days.

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

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