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

Infineon Technologies SPN03N60C3

Name: SPN03N60C3
Brand: Infineon Technologies
SKU: SPN03N60C3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SPN03N60C3

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-261-4, TO-261AA

Datasheet:: SPN03N60C3.pdf

Description:: MOSFET N-CH 650V 700MA SOT223-4

Quantity:: RFQ Add To RFQ list

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Inventory:6,487

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Product details

Overview

SPN03N60C3 from Infineon Technologies is a 600 V, 0.7 A CoolMOS™ C3 superjunction N-channel power MOSFET in SOT-223 package, featuring R_DS(on) = 1.4 Ω at V_GS = 10 V and T_j = 25 °C, ultra-low gate charge (Q_g = 13–17 nC), and extreme dv/dt rating (50 V/ns). It serves as a high-voltage switching element in offline SMPS, auxiliary supplies, and LED drivers.

For engineers reviewing the SPN03N60C3 datasheet, SPN03N60C3 pinout, SPN03N60C3 application, or SPN03N60C3 equivalent, key selection criteria include its 600 V V_(BR)DSS, 1.4 Ω R_DS(on), 13–17 nC total gate charge, 50 V/ns dv/dt capability, and SOT-223 thermal performance with R_thJA = 70 K/W on 6 cm² copper.

Technical Context

This device implements Infineon's third-generation CoolMOS™ C3 technology, optimized for high-voltage, low-power applications requiring fast switching and low conduction loss. Its superjunction structure delivers reduced R_DS(on) × area while maintaining robust avalanche capability (I_AR = 3.2 A) and low effective output capacitance (C_o(er) = 12 pF, C_o(tr) = 26 pF).

The MOSFET integrates a fast body diode with t_rr = 250–400 ns and Q_rr = 1.8 µC, enabling efficient hard-switched flyback and resonant topologies. Gate threshold voltage (V_GS(th) = 2.1–3.9 V) ensures stable turn-on under wide supply conditions, and ±30 V AC-rated gate supports robust drive design.

Key Specifications

Parameter	Value and Actual Design Meaning
V_(BR)DSS	600 V - Withstands 600 V drain-source breakdown at I_D = 0.25 mA, enabling use in 230 VAC mains-fed converters.
R_DS(on)	1.4 Ω max @ V_GS = 10 V, T_j = 25 °C - Sets conduction loss ceiling of ~0.7 W at 0.7 A DC, critical for thermal budget in SOT-223.
Q_g	13–17 nC - Low total gate charge reduces driver power and enables high-frequency operation up to 100 kHz in SMPS.
dv/dt Rating	50 V/ns - Enables reliable operation in noisy high-dv/dt environments without spurious turn-on.
C_iss/C_oss/C_rss	400 / 150 / 5 pF - Low capacitances minimize switching losses and improve EMI behavior in compact designs.
t_rr/Q_rr	250–400 ns / 1.8 µC - Fast, low-charge body diode supports efficient discontinuous conduction mode (DCM) flyback operation.
P_tot	1.8 W @ T_A = 25 °C - Defines maximum continuous power dissipation on standard PCB layout with 6 cm² copper.

Pinout & Package

SOT-223 package with exposed drain pad for thermal conduction; standardized 4-pin footprint (pins 1–4), where pin 2 is source, pin 3 is drain (tab), and pin 4 is gate. Pin 1 is unused or internally connected to source per Infineon marking convention.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Source (internal tie)	Internally bonded to source; used for mechanical stability and optional source connection redundancy.
Pin 2	Source	Main source terminal; connects to ground/reference node and carries full load current (0.7 A continuous).
Pin 3 (Tab)	Drain	Exposed copper drain pad; primary thermal path to PCB copper; must be soldered to ≥6 cm² copper area.
Pin 4	Gate	High-impedance control input; requires <17 nC charge for full enhancement; sensitive to ESD.

Key Features

Feature	Design Value
Ultra-low gate charge	Q_g = 13–17 nC enables efficient 65–100 kHz switching with minimal gate driver loss.
Extreme dv/dt immunity	Rated 50 V/ns at V_DS = 480 V, eliminating need for external gate resistors in noise-prone layouts.
Low effective output capacitance	C_o(er) = 12 pF and C_o(tr) = 26 pF reduce turn-off energy and improve light-load efficiency.
Robust body diode	t_rr = 250–400 ns and Q_rr = 1.8 µC support DCM flyback without snubber losses.
Thermally enhanced SOT-223	R_thJA = 70 K/W on 6 cm² copper allows 0.7 A continuous operation at ≤70 °C ambient.

Applications

Offline AC/DC Adapters

LED Driver Power Stages

Use Scenario: 5–12 W universal-input (85–265 VAC) flyback converter powering USB chargers or IoT wall adapters.

IC Role / Device Role / Timing Role: Primary-side high-voltage switch controlling energy transfer during each switching cycle.

Use Value: 600 V rating and low R_DS(on) ensure margin over 380 V DC bus; low Q_g enables >85% efficiency at light loads.

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

IC Role / Device Role / Timing Role: Main switching transistor in buck-derived or flyback topology regulating LED string current.

Use Value: Fast body diode and low C_oss reduce switching losses and audible noise; SOT-223 simplifies thermal management on compact PCBs.

Industrial Auxiliary Supplies

Smart Home Power Modules

Use Scenario: 3–5 W isolated auxiliary supply powering MCU, sensors, and gate drivers in PLC I/O modules.

IC Role / Device Role / Timing Role: High-side switch in self-oscillating or PWM-controlled flyback providing 5–12 V bias rails.

Use Value: 150 °C T_jmax and stable R_DS(on) vs. temperature ensure reliability in unventilated enclosures.

Use Scenario: Compact power module for smart switches, dimmers, or plug-in outlets requiring integrated HV switching.

IC Role / Device Role / Timing Role: Integrated HV switch replacing discrete MOSFET + driver in space-constrained 2-layer PCBs.

Use Value: SOT-223 footprint and 1.4 Ω R_DS(on) allow direct replacement of older 2 A devices without layout change.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage, low-power MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP3NK60ZFP	600 V, 2.2 Ω R_DS(on), TO-92 package, higher Q_g (22 nC)	Higher conduction loss and larger footprint; less suitable for thermally constrained SOT-223 layouts	Prefer when legacy TO-92 compatibility required and efficiency margin permits higher R_DS(on).
IPP60R190C6	600 V, 0.19 Ω R_DS(on), TO-220 package, 23 nC Q_g, 11 A I_D	Over-specified current rating and larger package; excessive cost and size for ≤0.7 A applications	Select only if future-proofing for higher current or board-level thermal redesign is planned.

Compared with STP3NK60ZFP and IPP60R190C6, SPN03N60C3 uniquely balances ultra-low Q_g, SOT-223 thermal integration, and 600 V rating-making it optimal for cost- and space-sensitive <10 W offline converters where gate drive loss and PCB area are critical.

Availability

SPN03N60C3 is available at Aetrix Electronics and suitable for offline AC/DC adapters, LED driver power stages, and industrial auxiliary supplies requiring stable component supply and long-term manufacturability.

Supply support for SPN03N60C3 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

Infineon Technologies is a German semiconductor leader specializing in power management, automotive ICs, and industrial control solutions, with global manufacturing and quality certification to ISO/TS 16949 and IECQ QC 080000.

The CoolMOS™ C3 product line targets high-efficiency, low-power SMPS applications up to 25 W, emphasizing low gate charge, fast switching, and ruggedness in compact packages like SOT-223 and TO-220.

FAQ

What is the maximum continuous drain current for SPN03N60C3 at 70 °C ambient?

The maximum continuous drain current is 0.4 A at T_A = 70 °C, derated from 0.7 A at 25 °C due to thermal resistance limits (R_thJA = 70 K/W on 6 cm² copper). This reflects real-world PCB thermal performance-not just junction-to-case specs-and must be verified with actual board layout and airflow conditions.

Does SPN03N60C3 have avalanche capability, and how is it rated?

Yes, SPN03N60C3 is rated for repetitive avalanche with I_AR = 3.2 A at T_j = 125 °C and t_AR limited by T_jmax. This is validated per JEDEC JESD24-11 and enables robust operation during transient overvoltage events in flyback snubberless designs without external clamping.

Can SPN03N60C3 replace older CoolMOS™ C2 devices in existing designs?

Yes-SPN03N60C3 is a direct drop-in replacement for SPW20N60C2 and similar C2 variants in SOT-223 footprints, offering lower R_DS(on) (1.4 Ω vs. 1.8 Ω), reduced Q_g (13–17 nC vs. 20–24 nC), and improved dv/dt immunity (50 V/ns vs. 35 V/ns), yielding measurable efficiency gains without layout changes.

What is the recommended gate resistor value for optimal switching performance?

A 20 Ω gate resistor is specified in the datasheet for switching characterization (t_d(on) = 7 ns, t_d(off) = 64–100 ns). Lower values (≤10 Ω) improve speed but increase EMI risk; higher values (≥47 Ω) suppress ringing but raise switching losses-designers should validate with actual gate driver IC and PCB parasitics.

SPN03N60C3 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: CoolMOS™

Package/Case:: TO-261-4, TO-261AA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 650 V

Current - Continuous Drain (Id) @ 25°C:: 700mA (Ta)

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

Rds On (Max) @ Id, Vgs:: 1.4Ohm @ 2A, 10V

Vgs(th) (Max) @ Id:: 3.9V @ 135µA

Gate Charge (Qg) (Max) @ Vgs:: 17 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 400 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 1.8W (Ta)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-SOT223-4

SPN03N60C3 FAQ

1.How can I place an order for SPN03N60C3 through Aetrix?

Please submit a Request for Quotation (RFQ) for SPN03N60C3 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 SPN03N60C3 reliable?

The price and inventory of SPN03N60C3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPN03N60C3 is usually 5 days.

3.What payment methods are accepted for SPN03N60C3?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPN03N60C3 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SPN03N60C3?

SPN03N60C3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SPN03N60C3 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 SPN03N60C3?

For technical support, including SPN03N60C3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPN03N60C3 requirements.

6.How does Aetrix verify that SPN03N60C3 is sourced from the original manufacturer or authorized distributors?

All SPN03N60C3 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 SPN03N60C3 meets industry standards.

7.What is the process for return or replacement of SPN03N60C3?

All SPN03N60C3 units undergo pre-shipment inspection (PSI). If there is an issue with SPN03N60C3, 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 SPN03N60C3 part is unused and in its original packaging.

Return procedure for SPN03N60C3:

1.Submit a request within 90 days.

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

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