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

STMicroelectronics STP80NF03L

Name: STP80NF03L
Brand: STMicroelectronics
SKU: STP80NF03L
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STP80NF03L

Manufacturer:: STMicroelectronics

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: STP80NF03L.pdf

Description:: MOSFET N-CH 30V 80A TO220AB

Quantity:: RFQ Add To RFQ list

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Product details

Overview

STP80NF03L from STMicroelectronics is an N-channel enhancement-mode Power MOSFET in TO-220 package, rated for 30 V V_DS, 80 A continuous drain current, and 4 mΩ typical R_DS(on) at V_GS = 10 V. It features 100% avalanche tested ruggedness, exceptional dv/dt capability (2.0 V/ns), and is optimized for high-current switching in automotive lamp drivers and motor control.

For engineers reviewing the STP80NF03L datasheet, STP80NF03L pinout, STP80NF03L application, or STP80NF03L equivalent, key selection factors include its low-threshold drive compatibility (V_GS(th) = 1–2.5 V), 300 W power dissipation at T_C = 25 °C, and robust unclamped inductive switching performance per Figure 5 test circuit.

Technical Context

This MOSFET employs ST's "Single Feature Size™" strip-based STripFET™ II process, enabling high cell density and reproducible low R_DS(on). Its gate charge profile (Q_g = 85 nC typ, Q_gd = 40 nC) supports fast switching with moderate gate drive strength.

The device exhibits fully characterized avalanche energy handling (E_AS = 2.3 J at V_DD = 20 V), source-drain diode recovery (t_rr = 75 ns, Q_rr = 0.15 µC), and thermal resistance of 0.5 °C/W junction-to-case - critical for sustained 80 A conduction in thermally constrained automotive modules.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30 V - Maximum blocking voltage in DC-DC converters operating up to 24 V bus rails
R_DS(on) max	4.5 mΩ at V_GS = 4.5 V - Enables efficient 80 A switching with <1.2 W conduction loss at 40 A
I_D cont	80 A at T_C = 25 °C - Supports high-current motor phase legs without parallel devices
E_AS	2.3 J - Withstands single-pulse inductive energy spikes in ABS solenoid drivers
dv/dt	2.0 V/ns - Resists false turn-on during fast transient noise in automotive 12 V systems
Q_g	85 nC - Compatible with standard 1 A gate drivers for <300 ns total switching time
R_th(j-c)	0.5 °C/W - Requires minimal heatsinking for 300 W dissipation at case temperature ≤80 °C

Pinout & Package

TO-220 package with 3-pin configuration: Drain connected to tab (Pin 1), Source (Pin 2), Gate (Pin 3). Tab is electrically connected to Drain and must be isolated from heatsink unless system ground reference permits.

Pin/Terminal	Circuit Role	Design Meaning
Drain (Tab)	Main high-side current path	Electrically tied to metal tab; requires insulating washer if heatsink is grounded
Source	Reference node for gate drive and current sensing	Low-inductance return path; critical for accurate R_DS(on)-based current monitoring
Gate	Control terminal for channel modulation	Threshold range 1–2.5 V enables direct microcontroller GPIO drive without level-shifting

Key Features

Feature	Design Value
100% avalanche tested	Guarantees reliable operation under unclamped inductive load conditions (e.g., fuel injector coil flyback)
Low R_DS(on) at 4.5 V drive	Enables use with 5 V logic-level controllers without external gate drivers in lamp driver modules
High dv/dt immunity	Prevents spurious turn-on during EMI events in engine bay environments (ISO 7637-2 compliant designs)
STripFET™ II process	Delivers consistent on-resistance and threshold voltage across production lots for BOM stability

Applications

Automotive Lamp Driver

DC-DC Converter Primary Switch

Use Scenario: High-side switching of 12 V halogen/LED headlamps with PWM dimming and short-circuit protection.

IC Role / Device Role / Timing Role: Power switch controlling lamp current; operates in linear and saturated modes during fault limiting.

Use Value: 4.5 mΩ R_DS(on) minimizes heat generation during 80 A inrush, while 2.3 J E_AS handles lamp filament cold-resistance surges.

Use Scenario: 300 kHz synchronous buck converter for 12 V → 5 V conversion in infotainment power supplies.

IC Role / Device Role / Timing Role: High-side main switch; commutates 80 A peak inductor current with <300 ns total switching time.

Use Value: Low Q_g (85 nC) and C_iss (5500 pF) reduce gate drive losses and enable stable 300 kHz operation with 1 A driver.

Motor Phase Leg (BLDC)

ABS Solenoid Driver

Use Scenario: Low-side switch in 3-phase BLDC motor controller for EPS (electric power steering).

IC Role / Device Role / Timing Role: Current-handling switch in H-bridge leg; conducts 80 A continuous with forced-air cooling.

Use Value: 0.5 °C/W R_th(j-c) allows 80 A conduction at T_j ≤ 150 °C with modest heatsink, avoiding derating penalties.

Use Scenario: High-current pulse driver for ABS hydraulic valve solenoids requiring 80 A peak for <10 ms.

IC Role / Device Role / Timing Role: Unclamped inductive switch; absorbs flyback energy via avalanche breakdown.

Use Value: 2.3 J single-pulse avalanche energy rating ensures survival of repeated solenoid de-energization events without degradation.

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
IRF1404	R_DS(on) = 4.0 mΩ @ 10 V; higher Q_g (131 nC); no avalanche rating specified	Lacks guaranteed avalanche ruggedness; unsuitable for unclamped inductive loads like solenoids	Prefer STP80NF03L where repetitive avalanche stress is present
STP75NF03L	Same process, lower I_D (75 A), identical R_DS(on) and avalanche specs	Marginally lower current rating; suitable only when 80 A headroom is not required	Select STP80NF03L for full 80 A design margin in automotive thermal cycling

Compared with IRF1404 and STP75NF03L, STP80NF03L uniquely combines 80 A rating, 4.5 mΩ R_DS(on) at 4.5 V, and certified 2.3 J avalanche energy - making it the only option qualified for safety-critical automotive solenoid and lamp driver applications per ISO 16750-2.

Availability

STP80NF03L is available at Aetrix Electronics and suitable for automotive lamp drivers, BLDC motor phase legs, DC-DC converter primary switches, and ABS solenoid drivers requiring stable component supply across extended temperature and lifecycle requirements.

Supply support for STP80NF03L 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing analog, MCU, power, and sensor solutions for automotive, industrial, and consumer markets.

The STripFET™ II product line delivers high-current, low-R_DS(on) MOSFETs optimized for automotive power distribution, motor control, and energy-efficient switching in harsh environments.

FAQ

Is STP80NF03L suitable for 5 V logic-level gate drive?

Yes. With V_GS(th) ranging from 1.0 to 2.5 V and R_DS(on) = 4.5 mΩ at V_GS = 4.5 V, it fully turns on using standard 5 V microcontroller GPIOs. No level-shifter or gate driver IC is required for 80 A switching at moderate frequencies (<100 kHz).

What is the maximum safe operating area (SOA) limitation for pulsed operation?

Pulsed drain current is limited to 320 A (I_DM) with pulse width constrained by SOA boundaries. At V_DS = 24 V, the maximum allowable pulse duration is ~300 µs (1.5% duty cycle) to avoid secondary breakdown, as defined in Figure 2 of the datasheet.

Can STP80NF03L replace STP75NF03L in existing designs?

Yes, with full pin-to-pin and functional compatibility. STP80NF03L offers identical R_DS(on), avalanche rating, and thermal characteristics but extends continuous current capability from 75 A to 80 A - providing additional margin for thermal aging and peak-load conditions.

Does the TO-220 package require electrical isolation from the heatsink?

Yes. The metal tab is internally connected to the Drain terminal. If the heatsink is grounded or referenced to a different potential than the Drain net, a thermally conductive but electrically isolating pad (e.g., mica or silicone film) must be used to prevent short circuits and ensure safe operation.

STP80NF03L Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STripFET™ II

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 80A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 4.5V, 10V

Rds On (Max) @ Id, Vgs:: 4.5mOhm @ 40A, 10V

Vgs(th) (Max) @ Id:: 2.5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 110 nC @ 4.5 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 5500 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 300W (Tc)

Operating Temperature:: 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220

STP80NF03L FAQ

1.How can I place an order for STP80NF03L through Aetrix?

Please submit a Request for Quotation (RFQ) for STP80NF03L 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 STP80NF03L reliable?

The price and inventory of STP80NF03L are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STP80NF03L is usually 5 days.

3.What payment methods are accepted for STP80NF03L?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STP80NF03L transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STP80NF03L?

STP80NF03L orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STP80NF03L 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 STP80NF03L?

For technical support, including STP80NF03L datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STP80NF03L requirements.

6.How does Aetrix verify that STP80NF03L is sourced from the original manufacturer or authorized distributors?

All STP80NF03L 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 STP80NF03L meets industry standards.

7.What is the process for return or replacement of STP80NF03L?

All STP80NF03L units undergo pre-shipment inspection (PSI). If there is an issue with STP80NF03L, 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 STP80NF03L part is unused and in its original packaging.

Return procedure for STP80NF03L:

1.Submit a request within 90 days.

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

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