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

STMicroelectronics STD12NF06-1

Name: STD12NF06-1
Brand: STMicroelectronics
SKU: STD12NF06-1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STD12NF06-1

Manufacturer:: STMicroelectronics

Category:: FETs, MOSFETs

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

Datasheet:: STD12NF06-1.pdf

Description:: MOSFET N-CH 60V 12A IPAK

Quantity:: RFQ Add To RFQ list

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Product details

Overview

STD12NF06-1 from STMicroelectronics is an N-channel enhancement-mode Power MOSFET in DPAK (TO-252) package, rated for 60 V V_DS, 12 A continuous drain current at T_C = 25 °C, 80 mΩ typical R_DS(on) at V_GS = 10 V, and 30 W total power dissipation. It features low gate charge (10–12 nC), exceptional dv/dt capability (15 V/ns), and 100% avalanche tested robustness-designed as primary switch in isolated DC-DC converters for telecom and server power supplies.

For engineers reviewing the STD12NF06-1 datasheet, STD12NF06-1 pinout, STD12NF06-1 application, or STD12NF06-1 equivalent, key selection criteria include verified R_DS(on) at operating temperature, gate drive compatibility with 10 V logic, thermal resistance (R_thJC = 5 °C/W), and unclamped inductive switching performance under 48 V/12 A conditions.

Technical Context

This STripFET II device uses a planar vertical DMOS structure optimized for low input capacitance (C_iss = 315 pF) and fast switching (t_d(on) = 7 ns, t_f = 6 ns). Its source-drain diode exhibits 1.3 V forward voltage at 12 A and 50 ns reverse recovery time (T_J = 150 °C), enabling efficient synchronous rectification and hard-switched topologies.

The MOSFET operates within a junction temperature range of –55 to 175 °C and supports gate drive voltages from ±20 V. Safe operating area (SOA) is defined up to 48 A pulsed drain current with pulse width limited by thermal constraints, and it delivers 140 mJ single-pulse avalanche energy at T_J = 25 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	60 V - Maximum blocking voltage before avalanche onset; supports 48 V bus designs with 25% margin.
R_DS(on) typ.	80 mΩ at V_GS = 10 V, I_D = 6 A - Enables <1 W conduction loss at 12 A in continuous operation.
Q_g	10–12 nC - Low gate charge reduces driver power demand and enables >500 kHz switching in resonant converters.
I_D cont.	12 A at T_C = 25 °C - Rated for heatsink-mounted operation; derates to 8.5 A at T_C = 100 °C.
E_AS	140 mJ - Confirmed single-pulse avalanche energy ensures reliability during transient overvoltage events.
dv/dt	15 V/ns - High immunity to parasitic turn-on in high-speed half-bridge configurations.
R_thJC	5 °C/W - Enables direct PCB copper pad thermal path to heatsink; critical for compact power stage layout.

Pinout & Package

Package: DPAK (TO-252) with exposed drain tab (pin 2/TAB) for thermal and electrical connection. Standard 3-pin surface-mount outline per IEC 60747-16, ECOPACK® compliant.

Pin/Terminal	Circuit Role	Design Meaning
D (TAB)	Drain / Thermal Pad	Electrically connected to drain; must be soldered to large copper pour for thermal management and EMI control.
G (1)	Gate	High-impedance control terminal; requires low-inductance gate loop to suppress oscillation during fast transitions.
S (3)	Source	Reference node for gate drive; forms return path for load current and body diode conduction.

Key Features

Feature	Design Value
STripFET II process	Reduces C_iss and Q_g without compromising R_DS(on), enabling higher efficiency in 300–1000 kHz SMPS.
100% avalanche tested	Each unit validated for E_AS ≥140 mJ-eliminates need for external snubbers in flyback or LLC primary switches.
Low V_SD body diode	1.3 V forward drop at 12 A allows use in freewheeling paths with minimal conduction loss penalty.
High dv/dt immunity	15 V/ns rating prevents false triggering in high dV/dt environments such as motor drives or PFC stages.

Applications

Telecom DC-DC Converters

Server VRMs

Use Scenario: Primary-side switch in 48 V input, 12 V output isolated forward converter for base station power modules.

IC Role / Device Role / Timing Role: High-side main switch operating at 250–500 kHz with synchronous rectification on secondary side.

Use Value: 80 mΩ R_DS(on) and 10 nC Q_g reduce both conduction and switching losses, improving full-load efficiency by ≥1.2% vs. legacy 150 mΩ MOSFETs.

Use Scenario: High-current buck converter phase in multi-phase CPU voltage regulator for data center servers.

IC Role / Device Role / Timing Role: Low-side switch in interleaved 3-phase VRM, driven by dedicated gate driver IC.

Use Value: 5 °C/W R_thJC and 12 A continuous rating support 60 A per phase with minimal thermal derating on standard 2 oz copper PCBs.

Industrial PLC Power Supplies

LED Driver Flybacks

Use Scenario: Input-stage switch in wide-input (18–75 VDC) industrial SMPS powering programmable logic controllers.

IC Role / Device Role / Timing Role: Primary switch in active-clamp forward topology handling 4 kV surge transients per IEC 61000-4-5.

Use Value: 140 mJ E_AS and 60 V V_DS ensure reliable operation during line surges without clamping circuitry.

Use Scenario: Primary switch in constant-current flyback LED driver for street lighting (72 W, 36 V/2 A output).

IC Role / Device Role / Timing Role: Self-oscillating or PWM-controlled switch operating at 65 kHz with ZCD sensing.

Use Value: 50 ns t_rr and low Q_rr (65 nC) minimize diode reverse recovery loss, reducing MOSFET temperature rise by ~8 °C at full load.

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel 60 V Power MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
IRFZ44NPBF	R_DS(on) = 28 mΩ (typ.) but higher Q_g = 67 nC; TO-220 package only.	Higher conduction loss at low frequency; unsuitable for >200 kHz due to gate drive power and layout inductance.	Prefer when cost-sensitive, low-frequency (<100 kHz), through-hole assembly required.
STP12NF06L	Logic-level variant (V_GS(th) = 1–2.5 V); same R_DS(on) and package but lower avalanche rating (E_AS = 90 mJ).	Enables direct microcontroller GPIO drive but lacks robustness in unclamped inductive loads.	Prefer when gate drive voltage ≤5 V is mandatory and avalanche stress is absent.

Compared with IRFZ44NPBF and STP12NF06L, STD12NF06-1 offers optimal balance of low Q_g, high dv/dt immunity, and proven avalanche ruggedness-making it preferred for high-frequency, high-reliability isolated power stages where gate drive efficiency and transient robustness are co-critical.

Availability

STD12NF06-1 is available at Aetrix Electronics and suitable for telecom DC-DC converters, server VRMs, and industrial PLC power supplies requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for STD12NF06-1 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, specializing in power management, analog, MEMS, and microcontrollers for industrial, automotive, and consumer markets.

STD12NF06-1 belongs to ST's STripFET™ II Power MOSFET product line, engineered specifically for high-efficiency, high-reliability switched-mode power supplies in telecom infrastructure and computing equipment.

FAQ

What is the maximum safe operating temperature for STD12NF06-1?

The junction temperature must not exceed 175 °C under any operating condition. With R_thJC = 5 °C/W and 30 W P_TOT, the case temperature must stay below 160 °C. For continuous 12 A operation, a minimum 25 cm² 2 oz copper thermal pad with 1 mm via array is recommended to maintain T_J ≤ 125 °C at ambient 70 °C.

Can STD12NF06-1 be used in synchronous rectification?

Yes-the integrated body diode has V_SD = 1.3 V at 12 A and t_rr = 50 ns, making it viable for low-side synchronous rectification in forward or LLC converters up to 300 kHz. However, external Schottky diodes or dedicated SR controllers are preferred above 400 kHz due to Q_rr-induced losses.

Is STD12NF06-1 RoHS and REACH compliant?

Yes-STD12NF06-1 is manufactured in ST's ECOPACK®-compliant DPAK (TO-252) package, meeting RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Full compliance documentation, including substance declarations and test reports, is available via ST's Quality Portal upon registration.

Does STD12NF06-1 require a gate resistor for stability?

Yes-a series gate resistor (typically 4.7–10 Ω) is required to dampen ringing caused by gate loop inductance and Miller capacitance. The datasheet specifies switching times using R_G = 4.7 Ω; omitting it risks shoot-through in half-bridge configurations and increases EMI emissions above 30 MHz.

STD12NF06-1 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STripFET™ II

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):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 12A (Tc)

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

Rds On (Max) @ Id, Vgs:: 100mOhm @ 6A, 10V

Vgs(th) (Max) @ Id:: 4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 12 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 315 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 30W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: IPAK

STD12NF06-1 FAQ

1.How can I place an order for STD12NF06-1 through Aetrix?

Please submit a Request for Quotation (RFQ) for STD12NF06-1 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 STD12NF06-1 reliable?

The price and inventory of STD12NF06-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STD12NF06-1 is usually 5 days.

3.What payment methods are accepted for STD12NF06-1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STD12NF06-1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STD12NF06-1?

STD12NF06-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STD12NF06-1 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 STD12NF06-1?

For technical support, including STD12NF06-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STD12NF06-1 requirements.

6.How does Aetrix verify that STD12NF06-1 is sourced from the original manufacturer or authorized distributors?

All STD12NF06-1 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 STD12NF06-1 meets industry standards.

7.What is the process for return or replacement of STD12NF06-1?

All STD12NF06-1 units undergo pre-shipment inspection (PSI). If there is an issue with STD12NF06-1, 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 STD12NF06-1 part is unused and in its original packaging.

Return procedure for STD12NF06-1:

1.Submit a request within 90 days.

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

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