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

Infineon Technologies BSS225L6327HTSA1

Name: BSS225L6327HTSA1
Brand: Infineon Technologies
SKU: BSS225L6327HTSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BSS225L6327HTSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-243AA

Datasheet:: BSS225L6327HTSA1.pdf

Description:: MOSFET N-CH 600V 90MA SOT89

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BSS225L6327HTSA1 from Infineon Technologies is an n-channel enhancement-mode SIPMOS® small-signal transistor in SOT-89 package, rated for 600 V drain-source breakdown voltage, 45 Ω max R_DS(on) at V_GS = 4.5 V and I_D = 90 mA, and dv/dt ruggedness up to 6 kV/µs. It serves as a logic-level high-voltage switch in offline auxiliary power supplies and LED driver control stages.

For engineers reviewing the BSS225L6327HTSA1 datasheet, BSS225L6327HTSA1 pinout, BSS225L6327HTSA1 application, or BSS225L6327HTSA1 equivalent, key selection criteria include its AEC-Q101 qualification, 600 V blocking capability, low gate charge (Q_g = 3.9–5.8 nC), and thermal resistance of 125 K/W in minimal-footprint SOT-89 mounting.

Technical Context

This device operates in enhancement mode with a gate threshold voltage of 1.3–2.3 V, enabling direct drive from 3.3 V or 5 V logic without level-shifting. Its dv/dt rating of 6 kV/µs ensures robustness against parasitic turn-on in high-noise flyback or buck-derived topologies.

The integrated body diode exhibits t_rr = 246–370 ns and Q_rr = 248–373 nC under V_R = 300 V, I_F = 90 mA conditions, supporting moderate-frequency discontinuous conduction mode (DCM) operation while limiting switching loss during diode commutation.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS Rating	600 V - supports primary-side switching in universal-input (85–265 V_AC) offline SMPS up to ~400 V DC bus.
R_DS(on) max	45 Ω @ V_GS = 4.5 V, I_D = 90 mA - defines on-state power loss (≤0.36 W) in low-current auxiliary rails.
Q_g	3.9–5.8 nC - enables efficient 100–500 kHz switching with standard gate drivers (e.g., UCC27517).
t_r/t_f	38–57 ns / 41–62 ns - supports fast edge control in low-duty-cycle pulse applications like LED dimming.
T_j Range	−55 °C to +150 °C - qualified per AEC-Q101 for automotive cabin electronics and industrial control modules.
C_iss	99–131 pF - determines Miller capacitance impact on gate drive stability in high-dv/dt environments.

Pinout & Package

SOT-89 package: surface-mount, 3-pin, single-ended leadframe with exposed drain pad for thermal relief. Pin 1 = Gate, Pin 2 = Drain (tab), Pin 3 = Source.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Gate)	Control electrode	Accepts logic-level input (≥3.3 V) to fully enhance channel; requires <200 nA leakage current handling.
Pin 2 (Drain)	High-voltage output node	Connected to 600 V rail; tab serves as thermal path and primary current return-must be soldered to copper pour.
Pin 3 (Source)	Reference node	Provides common return for gate drive and load; ties to ground or floating bias network in high-side configurations.

Key Features

Feature	Design Value
Logic-level gate drive	V_GS(th) = 1.3–2.3 V enables direct interface with microcontrollers and PWM ICs without external level shifters.
AEC-Q101 qualified	Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD (HBM Class 1a).
dv/dt ruggedness	6 kV/µs rating prevents false triggering during fast voltage transients in transformer-coupled circuits.
Integrated body diode	Low V_SD = 0.75–1.2 V and controlled Q_rr allow use in self-oscillating or quasi-resonant flyback snubberless designs.

Applications

Offline Auxiliary Power Supply

LED Driver Control Switch

Use Scenario: Provides isolated 12 V/5 V standby power in AC-DC adapters using flyback topology with <100 mA output.

IC Role / Device Role / Timing Role: Primary-side high-voltage switch operating at 60–120 kHz with DCM control.

Use Value: 600 V rating accommodates reflected voltage spikes up to 480 V; low Q_g reduces gate drive loss in low-power duty cycles.

Use Scenario: Controls current flow to high-brightness LED strings in streetlight or architectural lighting drivers.

IC Role / Device Role / Timing Role: Low-duty-cycle PWM switch in constant-current regulation stage with 1–10 kHz modulation.

Use Value: Logic-level gate allows direct MCU GPIO drive; dv/dt immunity prevents misfiring during EMI-rich lamp ignition events.

Automotive Cabin Fan Controller

Industrial Sensor Bias Supply

Use Scenario: Drives brushed DC fan motors in HVAC modules where space-constrained PCB layout demands SOT-89 footprint.

IC Role / Device Role / Timing Role: Low-current (<90 mA) high-side switch with PWM speed control and overtemperature shutdown feedback.

Use Value: AEC-Q101 qualification ensures operation across −40 °C to +125 °C ambient; R_DS(on) stability over temperature minimizes calibration drift.

Use Scenario: Generates stable 5 V bias for analog sensor front-ends in programmable logic controllers (PLCs) with 24 V DC input.

IC Role / Device Role / Timing Role: Linear-regulator pass element in low-noise, low-quiescent-current LDO configuration.

Use Value: Low I_D(off) ≤ 0.1 µA at 25 °C and ≤5 µA at 150 °C maintains precision reference stability over full industrial temperature range.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP1NK60Z	600 V, 1 A I_D, R_DS(on) = 70 Ω @ 10 V - higher on-resistance, larger TO-92 package.	Not suitable for SOT-89 board space; requires higher gate voltage for full enhancement.	Select only if higher continuous current rating is required and board area permits TO-92 mounting.
DMN601WK-7	60 V max V_DS, 300 mA I_D, R_DS(on) = 2.5 Ω @ 4.5 V - lower voltage rating, smaller SOT-23 footprint.	Cannot replace in 400 V+ systems; limited to low-voltage DC-DC bias rails.	Use only in sub-60 V applications where ultra-low R_DS(on) and minimal footprint outweigh voltage constraints.

Compared with STP1NK60Z and DMN601WK-7, BSS225L6327HTSA1 uniquely balances 600 V capability, logic-level drive, and SOT-89 thermal performance-making it optimal for compact, high-reliability auxiliary switching where voltage margin and gate simplicity are critical.

Availability

BSS225L6327HTSA1 is available at Aetrix Electronics and suitable for offline auxiliary power supplies, LED driver control switches, and automotive cabin fan controllers requiring stable component supply and AEC-Q101 compliance.

Supply support for BSS225L6327HTSA1 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 manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.

The SIPMOS® small-signal transistor product line delivers high-voltage, logic-compatible MOSFETs optimized for space-constrained auxiliary power, lighting, and automotive subsystems where reliability and dv/dt immunity are essential.

FAQ

Is BSS225L6327HTSA1 suitable for high-frequency switching above 500 kHz?

No. Its typical C_iss (99–131 pF) and Q_g (3.9–5.8 nC) result in gate drive energy requirements that increase significantly above 500 kHz. Measured t_r/t_f (38–62 ns) and R_DS(on) temperature coefficient also limit efficiency gains beyond this range. Use is recommended up to 300 kHz for thermally constrained SOT-89 layouts.

Can BSS225L6327HTSA1 be used in high-side configuration?

Yes. With proper gate drive referenced to the source (e.g., bootstrap or isolated driver), it functions reliably as a high-side switch. The V_GS rating of ±20 V and logic-level threshold enable compatibility with common high-side gate drivers such as IRS2117, provided V_GS remains within limits during transient conditions.

What is the maximum safe operating area (SOA) limitation at T_A = 70 °C?

At T_A = 70 °C, the continuous drain current is derated to 73 mA. The SOA curve (page 4 of datasheet Rev. 1.25) shows single-pulse operation is limited to 0.09 A at V_DS = 400 V for t_p ≤ 100 µs. Exceeding these boundaries risks thermal runaway due to the SOT-89's 125 K/W R_thJA.

Does the body diode support synchronous rectification?

No. The body diode has t_rr = 246–370 ns and Q_rr = 248–373 nC-too slow and lossy for synchronous rectification in >100 kHz topologies. It is intended for freewheeling or snubbing, not active rectification. External Schottky diodes or dedicated SR controllers are required for efficiency-critical outputs.

BSS225L6327HTSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: SIPMOS®

Package/Case:: TO-243AA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 600 V

Current - Continuous Drain (Id) @ 25°C:: 90mA (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 4.5V, 10V

Rds On (Max) @ Id, Vgs:: 45Ohm @ 90mA, 10V

Vgs(th) (Max) @ Id:: 2.3V @ 94µA

Gate Charge (Qg) (Max) @ Vgs:: 5.8 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 131 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 1W (Ta)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-SOT89

BSS225L6327HTSA1 FAQ

1.How can I place an order for BSS225L6327HTSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BSS225L6327HTSA1 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 BSS225L6327HTSA1 reliable?

The price and inventory of BSS225L6327HTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BSS225L6327HTSA1 is usually 5 days.

3.What payment methods are accepted for BSS225L6327HTSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BSS225L6327HTSA1 transactions.

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4.How is shipping managed for BSS225L6327HTSA1?

BSS225L6327HTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BSS225L6327HTSA1 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 BSS225L6327HTSA1?

For technical support, including BSS225L6327HTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BSS225L6327HTSA1 requirements.

6.How does Aetrix verify that BSS225L6327HTSA1 is sourced from the original manufacturer or authorized distributors?

All BSS225L6327HTSA1 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 BSS225L6327HTSA1 meets industry standards.

7.What is the process for return or replacement of BSS225L6327HTSA1?

All BSS225L6327HTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BSS225L6327HTSA1, 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 BSS225L6327HTSA1 part is unused and in its original packaging.

Return procedure for BSS225L6327HTSA1:

1.Submit a request within 90 days.

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

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