Infineon Technologies BSS214NW L6327
- Part No.:
- BSS214NW L6327
- Manufacturer:
- Infineon Technologies
- Category:
- FETs, MOSFETs
- Package:
- SC-70, SOT-323
- Datasheet:
-
BSS214NW L6327.pdf
- Description:
- MOSFET N-CH 20V 1.5A SOT323-3
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
BSS214NW from Infineon Technologies is an N-channel enhancement-mode small-signal MOSFET optimized for logic-level gate drive at 2.5 V, with 20 V VDS, 1.5 A continuous drain current, 140 mΩ RDS(on) at VGS = 4.5 V, and AEC-Q101 qualification for automotive use in load switching and power management circuits.
For engineers reviewing the BSS214NW datasheet, BSS214NW pinout, BSS214NW application, or BSS214NW equivalent, key selection criteria include its super logic-level threshold (VGS(th) max 1.2 V), avalanche-rated ruggedness (EAS = 3.7 mJ), SOT323 package thermal resistance (RthJA = 250 K/W), and integrated body diode with trr = 8.4 ns.
Technical Context
This OptiMOS™2 device uses a trench-gate process to achieve low RDS(on) at ultra-low gate voltages, enabling direct interface with 2.5 V and 3.3 V microcontrollers without level-shifting. Its 100% avalanche-rated design ensures robustness against inductive switching transients in automotive and industrial loads.
The MOSFET integrates a fast-recovery body diode (trr = 8.4 ns, Qrr = 1.7 nC) and exhibits stable gate charge characteristics (Qg = 0.8 nC, Qgd = 0.2 nC) for predictable switching behavior in high-frequency DC-DC and LED driver applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 20 V - Maximum blocking voltage for 12 V automotive and 5–15 V industrial supply rails |
| RDS(on) @ VGS=4.5 V | 140 mΩ max - Enables <1.5 W conduction loss at 1.5 A, suitable for compact PCB layouts |
| VGS(th) | 0.7–1.2 V - Ensures reliable turn-on with 2.5 V logic outputs, eliminating external gate drivers |
| ID continuous | 1.5 A @ TA=25 °C - Supports medium-current switching in fan control, sensor biasing, and LED dimming |
| EAS | 3.7 mJ - Withstands single-pulse inductive energy without failure in relay or solenoid drive |
| trr | 8.4 ns - Minimizes reverse recovery losses during synchronous rectification or H-bridge commutation |
| Ciss | 143 pF max - Low input capacitance reduces gate drive power and improves switching speed |
| RthJA | 250 K/W - Thermal performance defined on 40 mm² FR4 PCB with 1 mm traces, critical for derating |
Pinout & Package
Package: PG-SOT323 (SOT-323), surface-mount, 3-pin plastic package with standard footprint per Infineon outline drawing Rev 2.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Drain) | Main current path output terminal | Connected to load return or high-side switch node; electrically tied to exposed pad in thermally enhanced variants (not applicable here) |
| 2 (Gate) | Control electrode | Receives logic-level voltage; requires <0.8 nC total charge for full turn-on; sensitive to ESD (HBM Class 0) |
| 3 (Source) | Reference and current return path | Common reference for gate drive and load current; forms body diode anode with Drain as cathode |
Key Features
| Feature | Design Value |
|---|---|
| Super logic-level gate drive | VGS(th) ≤ 1.2 V enables direct 2.5 V MCU GPIO control without level shifters |
| Avalanche energy rating | 3.7 mJ single-pulse capability protects against inductive kickback in motor and relay circuits |
| AEC-Q101 qualified | Validated for automotive temperature range (−55 °C to +150 °C) and reliability stress tests |
| Fast body diode | 8.4 ns reverse recovery time supports efficient freewheeling in buck converters and half-bridges |
| Halogen-free & RoHS | Complies with IEC61249-2-21 and EU RoHS Directive for environmentally constrained designs |
Applications
| Automotive Body Control Module | Industrial Sensor Interface |
|---|---|
Use Scenario: Driving resistive and inductive loads such as door locks, mirror heaters, and HVAC actuators in 12 V vehicle systems. IC Role / Device Role / Timing Role: Low-side load switch with integrated body diode for flyback energy clamping. Use Value: Eliminates need for external flyback diode; AEC-Q101 qualification ensures operation across −40 °C to +125 °C ambient. | Use Scenario: Enabling/disabling analog sensor biasing networks and signal conditioning paths in programmable logic controllers. IC Role / Device Role / Timing Role: Precision on/off switch for current sources and reference voltage paths. Use Value: Sub-1.2 V threshold ensures clean turn-on with 3.3 V FPGA I/O banks; low leakage (<1 µA) preserves sensor accuracy. |
| LED Driver for Smart Lighting | USB Power Switch |
Use Scenario: PWM-controlled current sink for multi-segment LED arrays in architectural and automotive lighting. IC Role / Device Role / Timing Role: High-speed switching element with 8.4 ns diode recovery for minimal PWM distortion. Use Value: Fast switching and low Qg (0.8 nC) reduce gate drive losses at 1–10 kHz PWM frequencies. | Use Scenario: USB 2.0/3.0 port power enable in embedded host controllers and docking stations. IC Role / Device Role / Timing Role: Load switch with controlled inrush and overcurrent protection interface. Use Value: 20 V rating accommodates 5.5 V USB VBUS tolerance; 1.5 A rating supports up to 3 A peak with derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel logic-level MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN2004LK-7 | RDS(on) = 160 mΩ @ VGS = 2.5 V; higher threshold (1.0–2.0 V); SOT-23 package | Slightly lower current rating (1.2 A); less robust avalanche (no rated EAS) | Preferred where board space allows SOT-23 and AEC-Q101 is not required |
| FDV303N | RDS(on) = 180 mΩ @ VGS = 2.7 V; VGS(th) = 0.6–1.2 V; same SOT-23 footprint | No AEC-Q101 qualification; higher Ciss (160 pF); lower ESD rating (Class 1A) | Cost-optimized alternative for consumer-grade 3.3 V logic interfaces |
Compared with DMN2004LK-7 and FDV303N, the BSS214NW delivers superior avalanche ruggedness, tighter VGS(th) distribution, and automotive qualification-making it the preferred choice for safety-critical 12 V load switching where reliability under transient stress is mandatory.
Availability
BSS214NW is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, smart LED lighting, and USB power switching requiring stable component supply and long-term lifecycle support.
Supply support for BSS214NW 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 leadership in silicon and wide-bandgap technologies.
The OptiMOS™2 product line targets high-efficiency, logic-level switching in space-constrained automotive and industrial applications-designed for direct MCU interfacing and rugged transient handling.
FAQ
What is the maximum safe operating voltage for BSS214NW in continuous DC applications?
The absolute maximum drain-source voltage (VBR(DSS)) is 20 V at Tj = 25 °C, derating linearly to ~16.5 V at 150 °C junction temperature. For reliable long-term operation, design margin recommends limiting VDS to ≤16 V in automotive 12 V systems with load-dump transients.
Can BSS214NW be used in high-frequency PWM switching above 1 MHz?
No-its 143 pF Ciss and 0.8 nC Qg limit practical switching frequency to ≤500 kHz for efficient gate drive. At 1 MHz, switching losses dominate due to insufficient dv/dt control and increased gate drive power; use RF-optimized MOSFETs instead.
Is the body diode suitable for synchronous rectification in DC-DC converters?
Yes-the body diode has trr = 8.4 ns and Qrr = 1.7 nC, enabling use in low-voltage, medium-frequency buck converters (≤500 kHz). However, forward voltage (VSD = 0.8–1.1 V) is higher than Schottky alternatives, so efficiency gain is limited to light-load conditions.
Does BSS214NW require a gate resistor for ESD protection in handheld devices?
Yes-its HBM ESD rating is Class 0 (<250 V), making it susceptible to handling damage. A series gate resistor (10–100 Ω) combined with local TVS clamping is recommended for portable equipment assembly and field service environments.
BSS214NW L6327 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- OptiMOS™
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 20 V
- Current - Continuous Drain (Id) @ 25°C:
- 1.5A (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 2.5V, 4.5V
- Rds On (Max) @ Id, Vgs:
- 140mOhm @ 1.5A, 4.5V
- Vgs(th) (Max) @ Id:
- 1.2V @ 3.7µA
- Gate Charge (Qg) (Max) @ Vgs:
- 0.8 nC @ 5 V
- Vgs (Max):
- ±12V
- Input Capacitance (Ciss) (Max) @ Vds:
- 143 pF @ 10 V
- FET Feature:
- -
- Power Dissipation (Max):
- 500mW (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT323
BSS214NW L6327 FAQ
1.How can I place an order for BSS214NW L6327 through Aetrix?
Please submit a Request for Quotation (RFQ) for BSS214NW L6327 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 BSS214NW L6327 reliable?
The price and inventory of BSS214NW L6327 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BSS214NW L6327 is usually 5 days.
3.What payment methods are accepted for BSS214NW L6327?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BSS214NW L6327 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BSS214NW L6327?
BSS214NW L6327 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BSS214NW L6327 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 BSS214NW L6327?
For technical support, including BSS214NW L6327 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BSS214NW L6327 requirements.
6.How does Aetrix verify that BSS214NW L6327 is sourced from the original manufacturer or authorized distributors?
All BSS214NW L6327 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 BSS214NW L6327 meets industry standards.
7.What is the process for return or replacement of BSS214NW L6327?
All BSS214NW L6327 units undergo pre-shipment inspection (PSI). If there is an issue with BSS214NW L6327, 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 BSS214NW L6327 part is unused and in its original packaging.
Return procedure for BSS214NW L6327:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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