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

STMicroelectronics STP45NE06

Name: STP45NE06
Brand: STMicroelectronics
SKU: STP45NE06
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STP45NE06

Manufacturer:: STMicroelectronics

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: STP45NE06.pdf

Description:: MOSFET N-CH 60V 45A TO220

Quantity:: RFQ Add To RFQ list

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Inventory:6,121

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Product details

Overview

STP45NE06 from STMicroelectronics is an N-channel enhancement-mode power MOSFET in TO-220 package, rated for 60 V V_DS, 45 A continuous drain current at T_C = 25 °C, and 0.022 Ω typical R_DS(on) at V_GS = 10 V. It features 100% avalanche tested ruggedness, 7 V/ns dv/dt capability, and low gate charge (60 nC), enabling high-efficiency switching in motor control and DC-DC converters.

For engineers reviewing the STP45NE06 datasheet, STP45NE06 pinout, STP45NE06 application, or STP45NE06 equivalent, key selection criteria include its 1.5 °C/W junction-to-case thermal resistance, 175 °C max junction temperature, 150 mJ single-pulse avalanche energy, and validated performance in solenoid drivers and audio amplifier output stages.

Technical Context

This MOSFET employs ST's StripFET™ process with single-feature-size geometry, delivering high cell density for low on-resistance and improved manufacturing reproducibility. Its rugged avalanche rating supports unclamped inductive switching without external snubbers in relay and motor drive circuits.

The device exhibits fast switching dynamics: 30 ns turn-on delay, 100 ns rise time, and 70 ns cross-over time under standard test conditions (V_DD = 48 V, I_D = 45 A, R_G = 4.7 Ω). Reverse recovery parameters-70 ns t_rr, 210 µC Q_rr, and 6 A I_RRM-are characterized at di/dt = 100 A/µs and T_j = 150 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	60 V - Maximum blocking voltage before breakdown; defines safe operating range in 48 V bus systems.
R_DS(on) (typ)	0.022 Ω - Low conduction loss at 22.5 A; enables <1 W I²R loss in 45 A continuous operation with heatsinking.
I_D (cont, T_C=25°C)	45 A - Continuous current rating at case temperature 25 °C; derates to 31 A at 100 °C case.
E_AS	150 mJ - Single-pulse avalanche energy; supports reliable operation during inductive load turn-off transients.
Q_g	60 nC - Total gate charge; determines driver strength requirement and switching loss trade-off.
t_rr	70 ns - Reverse recovery time of body diode; critical for synchronous rectification and hard-switched topologies.
R_thj-case	1.5 °C/W - Junction-to-case thermal resistance; sets minimum heatsink requirement for 100 W dissipation.

Pinout & Package

STP45NE06 uses a standard TO-220 package with three leads: Drain (tab), Source (pin 1), and Gate (pin 2); pin 3 is internally connected to Drain (tab) for mechanical stability and thermal path.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Source	Main current return path; electrically isolated from heatsink when mounted with insulating washer.
Pin 2	Gate	Control terminal; requires ≤±20 V drive; 60 nC total charge demands robust gate driver.
Pin 3 / Tab	Drain	High-current output node and primary thermal path; must be electrically isolated from chassis if floating topology used.

Key Features

Feature	Design Value
100% avalanche tested	Guarantees robustness against unclamped inductive switching events up to 45 A and 150 mJ per pulse.
Exceptional dv/dt capability	7 V/ns rated slope prevents false turn-on during high-speed voltage transients in bridge configurations.
Low gate charge (60 nC)	Reduces gate driver power consumption and switching losses in high-frequency PWM applications.
StripFET™ process architecture	Enables high cell density and tight parameter distribution, improving batch-to-batch consistency in production.
175 °C max junction temperature	Supports operation in thermally constrained environments such as sealed motor drives or automotive under-hood modules.

Applications

Motor Control

Solenoid & Relay Drivers

Use Scenario: H-bridge DC motor driver for industrial actuators requiring bidirectional 45 A peak current.

IC Role / Device Role / Timing Role: High-side and low-side switching element; handles PWM commutation at ≤20 kHz with minimal conduction loss.

Use Value: 0.022 Ω R_DS(on) limits I²R loss to <2.2 W at 45 A, reducing heatsink size versus higher-R_DS(on) alternatives.

Use Scenario: High-reliability 24 V solenoid interface in factory automation PLC outputs.

IC Role / Device Role / Timing Role: Fast-switching load switch with integrated avalanche energy handling for coil flyback suppression.

Use Value: 150 mJ E_AS absorbs full inductive energy without external clamp, simplifying PCB layout and BOM.

Audio Amplifiers

DC-DC Converters

Use Scenario: Output stage in Class-D audio amplifiers delivering >100 W into 4 Ω loads.

IC Role / Device Role / Timing Role: Synchronous rectifier and power switch; operates at 300–500 kHz with low Q_g and fast t_r/t_f.

Use Value: 100 ns rise time and 45 ns fall time minimize switching distortion and improve THD+N performance.

Use Scenario: Primary-side switch in 48 V input, 12 V output non-isolated buck converter for telecom power supplies.

IC Role / Device Role / Timing Role: Main power switch; withstands 60 V bus with margin and handles 45 A peak inductor current.

Use Value: 1.5 °C/W R_thj-case allows 100 W dissipation with modest heatsinking, supporting high-power density designs.

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
IRFZ44N	R_DS(on) = 0.028 Ω (typ), Q_g = 67 nC, R_thj-case = 1.75 °C/W	Higher conduction loss and thermal resistance; less suitable for sustained 45 A operation.	Acceptable for lower-duty-cycle or lower-current variants of same applications.
STP55NF06L	R_DS(on) = 0.014 Ω (typ), logic-level gate (V_GS(th) = 1–2.5 V), but lower V_DS = 60 V same rating	Enables direct microcontroller drive; better efficiency but reduced voltage margin in noisy 48 V systems.	Preferred where gate drive voltage is limited to 5 V and efficiency is prioritized over transient immunity.

Compared with IRFZ44N and STP55NF06L, STP45NE06 offers the best balance of low R_DS(on), proven avalanche ruggedness, and compatibility with standard 10 V gate drivers-making it optimal for industrial motor drives where reliability under fault conditions is critical.

Availability

STP45NE06 is available at Aetrix Electronics and suitable for motor control, solenoid drivers, audio amplifiers, and DC-DC converters requiring stable component supply and long-term industrial availability.

Supply support for STP45NE06 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, Switzerland, specializing in power management, microcontrollers, sensors, and automotive ICs.

The STP45NE06 belongs to ST's legacy Power MOSFET product line, designed specifically for high-current, high-reliability industrial switching applications demanding ruggedness, thermal stability, and consistent parametric performance.

FAQ

Is STP45NE06 pin-compatible with STP45NE06FP?

No. STP45NE06 uses TO-220 package with exposed drain tab and 3-pin layout; STP45NE06FP uses TO-220FP (full-pack) with insulated tab and identical pinout but different thermal resistance (4.28 °C/W vs. 1.5 °C/W) and lower current rating (25 A vs. 45 A). Mechanical mounting and thermal design differ significantly.

What is the maximum safe operating frequency for STP45NE06 in PWM applications?

Based on measured switching times (t_d(on) = 30 ns, t_r = 100 ns, t_f = 45 ns), STP45NE06 supports PWM frequencies up to 200 kHz in well-designed gate-drive circuits. However, practical thermal limits constrain continuous operation above 50 kHz at full 45 A due to increased switching loss contribution.

Does STP45NE06 require a gate resistor, and what value is recommended?

Yes-a gate resistor is required to control dV/dt and prevent oscillation. For standard 10 V gate drive and R_G = 4.7 Ω (per datasheet test condition), turn-on delay and rise time are optimized. Lower values (≤2.2 Ω) reduce switching loss but increase EMI risk; higher values (≥10 Ω) improve stability but raise switching loss.

Can STP45NE06 be used in linear (analog) mode for adjustable current regulation?

It is not recommended. While the device can operate in linear mode, its Safe Operating Area (SOA) is not characterized for DC linear use beyond brief pulses. The SOA graph in the datasheet shows limited DC capability-only 10 A at 40 V-and thermal runaway risk increases rapidly without precise current and temperature limiting.

STP45NE06 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STripFET™

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 45A (Tc)

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

Rds On (Max) @ Id, Vgs:: 28mOhm @ 22.5A, 10V

Vgs(th) (Max) @ Id:: 4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 80 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 3600 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 100W (Tc)

Operating Temperature:: 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220

STP45NE06 FAQ

1.How can I place an order for STP45NE06 through Aetrix?

Please submit a Request for Quotation (RFQ) for STP45NE06 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 STP45NE06 reliable?

The price and inventory of STP45NE06 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STP45NE06 is usually 5 days.

3.What payment methods are accepted for STP45NE06?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STP45NE06 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STP45NE06?

STP45NE06 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STP45NE06 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 STP45NE06?

For technical support, including STP45NE06 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STP45NE06 requirements.

6.How does Aetrix verify that STP45NE06 is sourced from the original manufacturer or authorized distributors?

All STP45NE06 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 STP45NE06 meets industry standards.

7.What is the process for return or replacement of STP45NE06?

All STP45NE06 units undergo pre-shipment inspection (PSI). If there is an issue with STP45NE06, 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 STP45NE06 part is unused and in its original packaging.

Return procedure for STP45NE06:

1.Submit a request within 90 days.

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

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