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

STMicroelectronics STB80NF03L-04-1

Name: STB80NF03L-04-1
Brand: STMicroelectronics
SKU: STB80NF03L-04-1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STB80NF03L-04-1

Manufacturer:: STMicroelectronics

Category:: FETs, MOSFETs

Package:: TO-262-3 Long Leads, I2PAK, TO-262AA

Datasheet:: STB80NF03L-04-1.pdf

Description:: MOSFET N-CH 30V 80A I2PAK

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Product details

Overview

STB80NF03L-04-1 from STMicroelectronics is an N-channel 30 V, 80 A Power MOSFET in I2PAK (TO-262) package with R_DS(on) = 3.5 mΩ at V_GS = 10 V, 100% avalanche tested, and exceptional dv/dt capability. It serves as a high-current, high-speed switching device in automotive lamp drivers, ABS actuators, and DC-DC converters.

For engineers reviewing the STB80NF03L-04-1 datasheet, STB80NF03L-04-1 pinout, STB80NF03L-04-1 application, or STB80NF03L-04-1 equivalent, key selection criteria include its 3.5 mΩ on-resistance at 10 V gate drive, 2.3 J single-pulse avalanche energy, 320 A pulsed drain current, and I2PAK thermal performance for high-reliability motor control and power conversion designs.

Technical Context

This MOSFET employs ST's StripFET™ II process with single-feature-size strip geometry, enabling high cell density and low R_DS(on). Its rugged avalanche rating (E_AS = 2.3 J) and 2 V/ns dv/dt immunity support unclamped inductive switching in safety-critical automotive subsystems.

The device features integrated body diode with t_rr = 75 ns and Q_rr = 0.15 µC under specified conditions, and gate charge parameters (Q_g = 85 nC, Q_gd = 40 nC at V_GS = 4.5 V) optimized for fast, low-loss switching in 12 V–24 V systems.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30 V - Maximum drain-source blocking voltage for 12 V automotive rail applications with margin
R_DS(on)	3.5 mΩ @ V_GS = 10 V, I_D = 40 A - Enables <1.4 W conduction loss at 80 A continuous current
I_D (cont)	80 A @ T_C = 25 °C - Sustains full rated current with heatsink at standard test condition
E_AS	2.3 J - Confirmed single-pulse avalanche energy for robustness against inductive kickback
dv/dt	2 V/ns - Immunity to parasitic turn-on during fast voltage transients in motor drives
t_r/t_f	270 ns / 95 ns @ R_G = 4.7 Ω - Fast switching with moderate gate resistance for EMI control
Q_g	85 nC @ V_DD = 24 V, I_D = 80 A - Gate drive power requirement informs driver IC selection

Pinout & Package

STB80NF03L-04-1 uses the I2PAK (TO-262) package: 3-pin surface-mount variant with isolated tab, footprint compatible with TO-220 but optimized for automated assembly and thermal performance on PCBs.

Pin/Terminal	Circuit Role	Design Meaning
1 (Source)	Main source terminal	Low-inductance connection point for return path; electrically tied to exposed tab
2 (Gate)	Control input	High-impedance MOS gate requiring <±20 V drive; sensitive to ESD
3 (Drain)	Main drain terminal	Connected internally to exposed metal tab; primary high-side switching node

Key Features

Feature	Design Value
StripFET™ II process	Enables 3.5 mΩ R_DS(on) in I2PAK without die size penalty or thermal derating
100% avalanche tested	Guarantees E_AS ≥ 2.3 J per unit - eliminates screening failure risk in safety-critical loads
Exceptional dv/dt immunity	2 V/ns rating prevents false turn-on during fast bus transients in ABS or airbag circuits
Optimized body diode	t_rr = 75 ns and low Q_rr = 0.15 µC reduce switching losses in synchronous rectification

Applications

Automotive Lamp Driver

ABS Actuator Control

Use Scenario: High-side switching of halogen/LED headlamps and fog lamps in 12 V vehicle electrical architecture.

IC Role / Device Role / Timing Role: Power switch controlling load current up to 80 A with PWM dimming and short-circuit protection.

Use Value: Low R_DS(on) minimizes heat generation in confined headlamp housings; avalanche rating handles load dump transients.

Use Scenario: Driving solenoid valves in anti-lock braking system hydraulic modulators.

IC Role / Device Role / Timing Role: Fast-switching high-current driver for inductive valve coils with precise pulse-width control.

Use Value: 270 ns rise time enables sub-millisecond actuation; 2 V/ns dv/dt immunity prevents spurious triggering during ECU noise events.

DC-DC Converter Primary Switch

Industrial Motor Starter

Use Scenario: Primary-side switch in 12 V–48 V isolated DC-DC converters for telecom or industrial power supplies.

IC Role / Device Role / Timing Role: High-efficiency synchronous rectifier or main switching FET operating at 100–500 kHz.

Use Value: 85 nC total gate charge balances switching speed and driver power consumption; low C_oss reduces capacitive losses.

Use Scenario: Soft-start and run control of 3-phase BLDC motors in HVAC blowers and pump controllers.

IC Role / Device Role / Timing Role: Half-bridge high-side switch handling peak currents >60 A during startup surge.

Use Value: 320 A pulsed rating supports locked-rotor current; 175 °C max junction temperature ensures reliability under sustained overload.

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
STP80NF03L-04	Same silicon, TO-220 package; R_DS(on) identical, but higher R_thj-case (0.55 °C/W vs 0.50 °C/W)	Better suited for prototyping or low-volume through-hole assembly; less suitable for high-density SMT layouts	Select when manual soldering or legacy board compatibility is required
IRF3205PBF	Higher R_DS(on) (5.5 mΩ), lower E_AS (1.1 J), no guaranteed avalanche rating	Acceptable for non-safety-critical motor control but not automotive ABS or airbag systems	Choose only for cost-sensitive industrial applications where avalanche robustness is not mandated

Compared with STP80NF03L-04 and IRF3205PBF, STB80NF03L-04-1 delivers superior thermal resistance and guaranteed avalanche performance in surface-mount form-critical for automotive-grade reliability and high-power density designs where board space and transient immunity are constrained.

Availability

STB80NF03L-04-1 is available at Aetrix Electronics and suitable for automotive lamp drivers, ABS actuator control, and DC-DC converter primary switching requiring stable component supply across production lifecycles.

Supply support for STB80NF03L-04-1 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, microcontroller, power, and sensor solutions for automotive, industrial, and consumer markets.

This device belongs to ST's STripFET™ II Power MOSFET product line, engineered specifically for high-current, high-reliability switching in harsh automotive environments including engine control, chassis systems, and lighting.

FAQ

What is the maximum safe operating temperature for STB80NF03L-04-1?

The absolute maximum junction temperature is 175 °C, and the storage temperature range is –60 °C to +175 °C. Thermal design must ensure case temperature remains ≤100 °C under full 80 A load to maintain long-term reliability and avoid SOA violation.

Does STB80NF03L-04-1 require gate resistors for stability?

Yes - a series gate resistor (typically 4.7 Ω) is recommended to dampen ringing and control dV/dt-induced oscillations. The datasheet specifies switching times and gate charge using R_G = 4.7 Ω, confirming this value as the reference design point for stable operation.

Can STB80NF03L-04-1 replace STP80NF03L-04 in existing TO-220 designs?

No direct drop-in replacement - STB80NF03L-04-1 uses I2PAK (TO-262) packaging with different footprint, thermal pad layout, and mounting requirements. Board redesign is required to accommodate the surface-mount outline and thermal via pattern specified in ST's P011C mechanical drawing.

Is the body diode suitable for synchronous rectification?

Yes - the integrated body diode has t_rr = 75 ns and Q_rr = 0.15 µC at T_j = 150 °C, making it viable for medium-frequency synchronous rectification in 12 V–24 V DC-DC topologies where external Schottky diodes would otherwise be used.

STB80NF03L-04-1 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STripFET™ II

Package/Case:: TO-262-3 Long Leads, I2PAK, TO-262AA

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:: 4mOhm @ 40A, 10V

Vgs(th) (Max) @ Id:: 1V @ 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:: -60°C ~ 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: I2PAK

STB80NF03L-04-1 FAQ

1.How can I place an order for STB80NF03L-04-1 through Aetrix?

Please submit a Request for Quotation (RFQ) for STB80NF03L-04-1 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 STB80NF03L-04-1 reliable?

The price and inventory of STB80NF03L-04-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STB80NF03L-04-1 is usually 5 days.

3.What payment methods are accepted for STB80NF03L-04-1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STB80NF03L-04-1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STB80NF03L-04-1?

STB80NF03L-04-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STB80NF03L-04-1 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 STB80NF03L-04-1?

For technical support, including STB80NF03L-04-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STB80NF03L-04-1 requirements.

6.How does Aetrix verify that STB80NF03L-04-1 is sourced from the original manufacturer or authorized distributors?

All STB80NF03L-04-1 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 STB80NF03L-04-1 meets industry standards.

7.What is the process for return or replacement of STB80NF03L-04-1?

All STB80NF03L-04-1 units undergo pre-shipment inspection (PSI). If there is an issue with STB80NF03L-04-1, 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 STB80NF03L-04-1 part is unused and in its original packaging.

Return procedure for STB80NF03L-04-1:

1.Submit a request within 90 days.

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

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