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STMicroelectronics STD3NM60-1

Name: STD3NM60-1
Brand: STMicroelectronics
SKU: STD3NM60-1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STD3NM60-1

Manufacturer:: STMicroelectronics

Category:: FETs, MOSFETs

Package:: TO-251-3 Short Leads, IPAK, TO-251AA

Datasheet:: STD3NM60-1.pdf

Description:: MOSFET N-CH 600V 3A IPAK

Quantity:: RFQ Add To RFQ list

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Inventory:3,358

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Product details

Overview

STD3NM60-1 from STMicroelectronics is a Zener-protected N-channel 600 V, 1.3 Ω, 3 A MDmesh™ Power MOSFET in IPAK (TO-251) package, designed for high-voltage switching in offline power supplies and AC-DC adapters. It delivers 42 W total dissipation at TC = 25°C, supports 15 V/ns dv/dt, and features integrated gate-source Zener diodes for ESD and transient protection.

For engineers reviewing the STD3NM60-1 datasheet, STD3NM60-1 pinout, STD3NM60-1 application, or STD3NM60-1 equivalent, key selection criteria include RDS(on) ≤ 1.5 Ω at VGS = 10 V and ID = 1.5 A, avalanche energy rating of 200 mJ, thermal resistance junction-case of 3 °C/W, and compatibility with 300 V DC bus switching topologies.

Technical Context

This device implements ST's MDmesh™ technology-enhancing the PowerMESH™ horizontal layout with multiple drain process-to achieve low on-resistance while maintaining high dv/dt immunity and robust unclamped inductive switching capability. Its Zener-protected gate structure eliminates need for external gate clamping components.

The MOSFET operates with gate threshold voltage of 3–5 V, exhibits reverse transfer capacitance (Crss) of 7.4 pF at VDS = 25 V, and demonstrates 224 ns reverse recovery time (trr) at Tj = 25°C under ISD = 3 A, di/dt = 100 A/µs conditions-critical for snubberless flyback and resonant converter designs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	600 V - Withstands 600 V drain-source blocking voltage, enabling use in universal-input 85–265 VAC SMPS front ends.
R_DS(on) max	1.5 Ω - Measured at V_GS = 10 V, I_D = 1.5 A; defines conduction loss in continuous 3 A load operation.
I_D (cont.)	3 A at T_C = 25°C - Continuous drain current rating; derates to 1.9 A at T_C = 100°C per 0.33 W/°C slope.
E_AS	200 mJ - Single-pulse avalanche energy at T_j = 25°C; enables reliable operation during overvoltage transients without external snubbers.
dv/dt	15 V/ns - Peak diode recovery voltage slope limit; ensures stable commutation in hard-switched converters with fast di/dt.
Q_g	14 nC - Total gate charge at V_DD = 480 V, I_D = 3 A; determines driver strength requirement and switching loss trade-off.
R_thj-case	3 °C/W - Junction-to-case thermal resistance in IPAK package; defines heatsink sizing for 42 W dissipation at safe junction temperature.

Pinout & Package

STD3NM60-1 uses the IPAK (TO-251) surface-mount package with three terminals: Gate (G), Drain (D), and Source (S). The exposed drain tab serves as both electrical connection and thermal path to PCB copper pour.

Pin/Terminal	Circuit Role	Design Meaning
G	Gate control input	Accepts 0–10 V logic-level drive; integrated back-to-back Zener diodes clamp ±30 V gate-source voltage to prevent oxide damage.
D	Drain (high-side switch node)	Connected to primary-side high-voltage rail; electrically and thermally tied to exposed metal tab for efficient heat transfer.
S	Source (return path)	Reference node for gate drive and current sensing; forms common return with driver IC ground in self-driven synchronous rectifier configurations.

Key Features

Feature	Design Value
Zener-protected gate	Integrated ±30 V gate-source Zener diodes eliminate need for external TVS, reducing BOM count and board space in compact adapters.
High dv/dt immunity	15 V/ns rated peak diode recovery slope prevents false turn-on during fast voltage transitions in flyback transformer reset phases.
Tight R_DS(on) distribution	Manufactured with tight process control ensuring <±10% R_DS(on) variation across lots-critical for parallel MOSFET reliability and thermal balancing.
Low Crss	7.4 pF reverse transfer capacitance minimizes Miller effect, enabling stable 100+ kHz switching with standard gate drivers.
Robust avalanche capability	Rated for 1.5 A repetitive avalanche current and 200 mJ single-pulse energy-supports ruggedness in unclamped inductive load applications.

Applications

AC-DC Adapters

Flyback Converters

Use Scenario: Universal-input (85–265 VAC) 12–24 W wall adapters powering IoT sensors and smart home devices.

IC Role / Device Role / Timing Role: Primary-side high-voltage switch controlling energy transfer into transformer during ON-time; synchronized to PWM controller operating at 65 kHz.

Use Value: 1.5 Ω R_DS(on) limits conduction loss to <0.5 W at 3 A, enabling >85% efficiency without forced air cooling.

Use Scenario: Isolated 5–12 V output flyback power supply in industrial PLC I/O modules.

IC Role / Device Role / Timing Role: Main switching element handling 300 V DC bus; withstands reflected output voltage spikes during transformer reset.

Use Value: 200 mJ E_AS rating absorbs leakage inductance energy without snubber, simplifying layout and improving reliability.

LED Drivers

Offline SMPS

Use Scenario: Constant-current LED driver for commercial downlights operating directly from 230 VAC mains.

IC Role / Device Role / Timing Role: High-side switch in buck-derived topology regulating LED string current via primary-side sensing.

Use Value: 15 V/ns dv/dt immunity prevents spurious turn-on during rapid line voltage zero-crossings, eliminating flicker.

Use Scenario: Auxiliary power supply for gate drivers and controllers in motor drives and UPS systems.

IC Role / Device Role / Timing Role: Standby-mode HV starter switch providing initial bias to controller before main converter engages.

Use Value: Integrated Zener protection sustains repeated 30 V gate transients during hot-plug events, extending service life beyond 10 years.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage N-channel MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STD3NK60Z	Zener-protected 600 V, 2.2 Ω R_DS(on), same IPAK package but higher on-resistance and lower ID (2.5 A).	Lower conduction efficiency in 3 A continuous loads; suitable only where thermal margin allows higher R_DS(on).	Select when cost sensitivity outweighs 0.7 Ω R_DS(on) penalty and peak current stays below 2.5 A.
STP3NK60Z	TO-220 packaged 600 V, 2.2 Ω, 2.5 A part with identical Zener protection and avalanche rating.	Larger footprint and higher R_thj-case (1.82 °C/W) demands larger heatsink; not surface-mount compatible.	Choose only if through-hole assembly is required or if higher power derating (69 W) justifies mechanical redesign.

Compared with STD3NK60Z and STP3NK60Z, STD3NM60-1 offers the lowest R_DS(on) (1.3 Ω typ.) and highest continuous current (3 A) in IPAK, making it optimal for space-constrained, thermally limited 20–40 W offline converters requiring minimal external protection.

Availability

STD3NM60-1 is available at Aetrix Electronics and suitable for AC-DC adapters, flyback converters, and offline SMPS requiring stable component supply with long-lifecycle support and traceable sourcing.

Supply support for STD3NM60-1 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, Switzerland, designing and manufacturing analog, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.

STD3NM60-1 belongs to ST's MDmesh™ high-voltage power MOSFET product line, engineered specifically for high-efficiency, high-reliability switching in universal-input offline power conversion systems up to 600 V.

FAQ

Is STD3NM60-1 pin-compatible with STD3NM60?

Yes-both share identical IPAK (TO-251) pinout: Gate (pin 1), Drain (pin 2, tab), Source (pin 3). The "-1" suffix denotes tube packaging versus tape-and-reel for STD3NM60, with no electrical or mechanical differences between the two variants.

What is the maximum safe operating temperature for continuous operation?

The absolute maximum junction temperature is 150°C, but continuous operation should be limited to T_j ≤ 125°C for long-term reliability. At T_C = 100°C, the device supports 1.9 A continuous drain current with 0.33 W/°C derating from its 42 W rating at 25°C.

Does STD3NM60-1 require an external gate resistor?

Yes-a series gate resistor (typically 4.7–10 Ω) is required to dampen ringing and control switching speed. The datasheet specifies switching times (e.g., t_r = 4 ns) using R_G = 4.7 Ω; omitting it risks oscillation and gate overshoot due to low input capacitance (324 pF) and fast dv/dt.

Can STD3NM60-1 replace STP4NM60 in TO-220 designs?

No-STP4NM60 is a 4 A, 69 W TO-220 device with different thermal resistance (1.82 °C/W), higher current rating, and incompatible footprint. Direct replacement would cause thermal overload and mechanical fit issues; redesign of PCB layout and heatsinking is mandatory.

STD3NM60-1 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: MDmesh™

Package/Case:: TO-251-3 Short Leads, IPAK, TO-251AA

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 600 V

Current - Continuous Drain (Id) @ 25°C:: 3A (Tc)

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

Rds On (Max) @ Id, Vgs:: 1.5Ohm @ 1.5A, 10V

Vgs(th) (Max) @ Id:: 5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 14 nC @ 10 V

Vgs (Max):: ±30V

Input Capacitance (Ciss) (Max) @ Vds:: 324 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 42W (Tc)

Operating Temperature:: -65°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: IPAK

STD3NM60-1 FAQ

1.How can I place an order for STD3NM60-1 through Aetrix?

Please submit a Request for Quotation (RFQ) for STD3NM60-1 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 STD3NM60-1 reliable?

The price and inventory of STD3NM60-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STD3NM60-1 is usually 5 days.

3.What payment methods are accepted for STD3NM60-1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STD3NM60-1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STD3NM60-1?

STD3NM60-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STD3NM60-1 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 STD3NM60-1?

For technical support, including STD3NM60-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STD3NM60-1 requirements.

6.How does Aetrix verify that STD3NM60-1 is sourced from the original manufacturer or authorized distributors?

All STD3NM60-1 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 STD3NM60-1 meets industry standards.

7.What is the process for return or replacement of STD3NM60-1?

All STD3NM60-1 units undergo pre-shipment inspection (PSI). If there is an issue with STD3NM60-1, 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 STD3NM60-1 part is unused and in its original packaging.

Return procedure for STD3NM60-1:

1.Submit a request within 90 days.

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

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