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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

onsemi NSV1C301CTWG

Name: NSV1C301CTWG
Brand: onsemi
SKU: NSV1C301CTWG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NSV1C301CTWG

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: SOT-1023, 4-LFPAK

Datasheet:: NSV1C301CTWG.pdf

Description:: TRANS NPN 100V 3A LFPAK4

Quantity:: RFQ Add To RFQ list

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Product details

Overview

NSV1C301CTWG from onsemi is an AEC-Q101-qualified NPN bipolar power transistor in LFPAK4 5×6 package, rated for 100 V V_CEO, 3.0 A continuous collector current, and ultra-low 0.115 V typical V_CE(sat) at 3.0 A/0.3 A drive-designed for high-efficiency, space-constrained DC-DC converters in automotive powertrain control units and portable battery-powered devices.

For engineers reviewing the NSV1C301CTWG datasheet, pinout, applications, or equivalent options, key selection criteria include its wettable-flank LFPAK4 package for automotive optical inspection, AEC-Q101 qualification, low saturation voltage under high-current switching, and thermal resistance of 40 °C/W on 1″² FR-4 pad.

Technical Context

This device operates as a discrete NPN switching transistor with fixed gain structure optimized for low-voltage, high-speed energy control. Its design emphasizes minimal conduction loss via ultra-low V_CE(sat) (0.015–0.250 V across 0.1–3.0 A) and robust thermal performance enabled by copper-clip LFPAK4 construction.

It supports pulsed operation up to 6.0 A peak collector current and delivers f_T = 120 MHz cutoff frequency at 500 mA/10 V, enabling use in medium-frequency switching topologies. The 6.0 V V_EB rating and 0.90 V V_BE(on) at 1.0 A ensure reliable base drive compatibility with standard logic-level controllers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	100 V - Maximum blocking voltage between collector and emitter under open-base condition; defines safe operating range in 12–48 V automotive and portable power systems.
I_C Continuous	3.0 A - Sustained load current capability with proper PCB heatsinking; enables compact 5–10 W DC-DC stage designs without forced cooling.
V_CE(sat) @ 3.0 A	0.115 V typ - Ultra-low saturation voltage reduces conduction loss to <350 mW at full load, improving efficiency over legacy TO-252 alternatives.
h_FE @ 3.0 A	80 min - Minimum DC current gain ensures stable base drive margin at full rated current, supporting simple resistor-based bias networks.
R_JA (1″² pad)	40 °C/W - Junction-to-ambient thermal resistance enables operation up to +125 °C ambient in sealed enclosures with standard FR-4 layout.
AEC-Q101 Qualified	Yes - Validated for automotive applications including airbag deployment and instrument clusters per stress test requirements.
Package	LFPAK4 5×6 mm (Case 760AB) - Surface-mount package with wettable flanks for automated optical solder-joint inspection in automotive production lines.

Pinout & Package

NSV1C301CTWG uses the LFPAK4 5×6 mm package (Case 760AB), featuring exposed copper drain pad for enhanced thermal and electrical performance. Wettable flanks support AOI-compatible reflow soldering required in automotive manufacturing.

Pin/Terminal	Circuit Role	Design Meaning
1,2,3 (Emitter)	Emitter terminal (common cathode connection)	Three parallel pins reduce bond-wire inductance and increase current-carrying capacity; tied internally to emitter die surface.
4 (Base)	Control input for transistor turn-on/turn-off	Single-pin base connection optimized for low-inductance gate drive; requires ≤0.3 A peak base current for full saturation at 3.0 A I_C.
5 (Collector)	Main power output terminal	Larger copper-clad pad serves as primary heat path and high-current return; electrically connected to exposed metal underside of package.

Key Features

Feature	Design Value
Ultra-low V_CE(sat)	0.015 V typ at 0.1 A enables near-zero conduction loss in standby and light-load conditions of portable power rails.
Wettable flanks	Integrated side-wall plating allows automated optical inspection of solder fillets-mandatory for AEC-Q101 PPAP submissions in Tier-1 automotive supply chains.
High f_T	120 MHz cutoff frequency supports clean switching transitions up to ~10 MHz PWM frequencies in synchronous buck controllers.
AEC-Q101 qualification	Validated for temperature cycling, HTRB, and ESD per automotive reliability standards-enables direct use in safety-critical powertrain modules.
Pb-free / RoHS	Fully compliant with EU RoHS Directive 2011/65/EU and halogen-free/BFR-free requirements for green electronics manufacturing.

Applications

Automotive Powertrain Control	Portable DC-DC Converters
Use Scenario: High-side switch in 12 V–48 V battery management system for solenoid actuation in transmission control modules. IC Role / Device Role / Timing Role: Discrete NPN power switch controlling current flow to electromagnetic valves with <10 μs turn-on/turn-off timing. Use Value: 0.115 V V_CE(sat) at 3.0 A reduces power dissipation by >40% versus standard TO-252 transistors, enabling smaller heatsinks and higher power density.	Use Scenario: Main switching element in step-down converter for USB-C PD power delivery in digital cameras and MP3 players. IC Role / Device Role / Timing Role: Low-loss NPN switch operating at 500 kHz–1 MHz PWM frequency with tight duty-cycle control. Use Value: LFPAK4's 40 °C/W R_JA allows full 3.0 A load without thermal derating on compact 2-layer PCBs, eliminating need for thermal vias or external cooling.
Instrument Cluster Backlight Drivers	Airbag Deployment Circuits
Use Scenario: Constant-current driver for LED backlight arrays in automotive LCD instrument clusters requiring precise dimming control. IC Role / Device Role / Timing Role: Linear-regulated current sink with analog base bias, delivering stable 200–300 mA per channel. Use Value: Tight V_BE(on) tolerance (≤0.90 V) and h_FE consistency enable accurate current matching across multiple parallel channels without trimming resistors.	Use Scenario: Primary discharge switch triggering pyrotechnic squibs during crash event detection in airbag control units. IC Role / Device Role / Timing Role: High-reliability, fast-turn-on NPN switch activated by microcontroller GPIO with <1 μs propagation delay. Use Value: AEC-Q101 qualification and wettable-flank package ensure zero field failures due to solder joint defects-critical for life-safety system integrity.

Automotive Powertrain Control

Portable DC-DC Converters

Use Scenario: High-side switch in 12 V–48 V battery management system for solenoid actuation in transmission control modules.

IC Role / Device Role / Timing Role: Discrete NPN power switch controlling current flow to electromagnetic valves with <10 μs turn-on/turn-off timing.

Use Value: 0.115 V V_CE(sat) at 3.0 A reduces power dissipation by >40% versus standard TO-252 transistors, enabling smaller heatsinks and higher power density.

Use Scenario: Main switching element in step-down converter for USB-C PD power delivery in digital cameras and MP3 players.

IC Role / Device Role / Timing Role: Low-loss NPN switch operating at 500 kHz–1 MHz PWM frequency with tight duty-cycle control.

Use Value: LFPAK4's 40 °C/W R_JA allows full 3.0 A load without thermal derating on compact 2-layer PCBs, eliminating need for thermal vias or external cooling.

Instrument Cluster Backlight Drivers

Airbag Deployment Circuits

Use Scenario: Constant-current driver for LED backlight arrays in automotive LCD instrument clusters requiring precise dimming control.

IC Role / Device Role / Timing Role: Linear-regulated current sink with analog base bias, delivering stable 200–300 mA per channel.

Use Value: Tight V_BE(on) tolerance (≤0.90 V) and h_FE consistency enable accurate current matching across multiple parallel channels without trimming resistors.

Use Scenario: Primary discharge switch triggering pyrotechnic squibs during crash event detection in airbag control units.

IC Role / Device Role / Timing Role: High-reliability, fast-turn-on NPN switch activated by microcontroller GPIO with <1 μs propagation delay.

Use Value: AEC-Q101 qualification and wettable-flank package ensure zero field failures due to solder joint defects-critical for life-safety system integrity.

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN power switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
NSV1C300CTWG	Complementary PNP device with identical LFPAK4 package, 100 V V_CEO, but lower 2.0 A I_C rating and higher 0.150 V V_CE(sat) at 2.0 A.	Used in complementary push-pull output stages rather than high-side switching; not interchangeable in single-transistor configurations.	Select NSV1C300CTWG only when building symmetrical driver pairs or level-shifting circuits requiring matched thermal and package characteristics.
STP3NK60ZFP	600 V, 3.0 A N-channel MOSFET in TO-220FP package; no gate drive current requirement but higher R_DS(on) (3.5 Ω) and no AEC-Q101 qualification.	Suitable for high-voltage AC-DC flyback supplies, not automotive 12–48 V DC-DC; lacks wettable flanks and fails optical inspection compliance.	Choose STP3NK60ZFP only for non-automotive industrial power supplies where voltage rating >100 V is mandatory and AEC-Q101 is not required.

Compared with NSV1C301CTWG, NSV1C300CTWG offers matched packaging and qualification but reduced current capability and higher saturation voltage, while STP3NK60ZFP trades automotive compliance and low conduction loss for higher voltage tolerance and voltage-mode gate control-neither is pin-compatible, and both require PCB redesign for substitution.

Availability

NSV1C301CTWG is available at Aetrix Electronics and suitable for automotive powertrain control units, portable DC-DC converters, and instrument cluster backlight drivers requiring stable component supply, AEC-Q101 traceability, and wettable-flank solder-joint inspection compliance.

Supply support for NSV1C301CTWG 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

onsemi is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The e2PowerEdge family-including NSV1C301CTWG-is engineered specifically for high-efficiency, low-voltage switching in space-constrained automotive and portable electronics, emphasizing ultra-low V_CE(sat), AEC-Q101 qualification, and manufacturable LFPAK4 packaging.

FAQ

What is the maximum continuous collector current rating for NSV1C301CTWG?

The NSV1C301CTWG is rated for 3.0 A continuous collector current (I_C) at T_C = 25 °C with appropriate PCB heatsinking. This rating assumes mounting on a 1″² (645 mm²) copper collector pad on FR-4 board material. Derating applies above 25 °C case temperature per the thermal resistance curve in the datasheet.

Does NSV1C301CTWG meet automotive qualification standards?

Yes, NSV1C301CTWG is AEC-Q101 qualified and PPAP capable. It has passed all required stress tests-including temperature cycling, high-temperature reverse bias, and ESD-making it suitable for automotive applications such as powertrain control units, instrument clusters, and airbag deployment circuits.

What package type does NSV1C301CTWG use, and why is it significant?

NSV1C301CTWG uses the LFPAK4 5×6 mm package (Case 760AB) with wettable flanks. This package enables automated optical inspection of solder joints-a mandatory requirement for automotive production lines-and provides superior thermal performance (40 °C/W R_JA) compared to traditional SO-8 or TO-252 packages.

What is the typical V_CE(sat) of NSV1C301CTWG at full rated current?

The typical V_CE(sat) of NSV1C301CTWG is 0.115 V at I_C = 3.0 A and I_B = 0.300 A. This ultra-low saturation voltage minimizes conduction losses in high-current switching applications, directly improving power efficiency and reducing thermal load on the PCB.

Is NSV1C301CTWG compatible with lead-free reflow soldering processes?

Yes, NSV1C301CTWG is Pb-free, halogen-free/BFR-free, and RoHS compliant. It is qualified for standard lead-free reflow profiles (JEDEC J-STD-020), including peak temperatures up to 260 °C, and its wettable flanks ensure reliable solder joint formation under automotive-grade process controls.

NSV1C301CTWG Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: SOT-1023, 4-LFPAK

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: NPN

Current - Collector (Ic) (Max):: 3 A

Voltage - Collector Emitter Breakdown (Max):: 100 V

Vce Saturation (Max) @ Ib, Ic:: 250mV @ 300mA, 3A

Current - Collector Cutoff (Max):: 100nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 200 @ 500mA, 2V

Power - Max:: 1 W

Frequency - Transition:: 120MHz

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: LFPAK4 (5x6)

NSV1C301CTWG FAQ

1.How can I place an order for NSV1C301CTWG through Aetrix?

Please submit a Request for Quotation (RFQ) for NSV1C301CTWG 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 NSV1C301CTWG reliable?

The price and inventory of NSV1C301CTWG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSV1C301CTWG is usually 5 days.

3.What payment methods are accepted for NSV1C301CTWG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSV1C301CTWG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NSV1C301CTWG?

NSV1C301CTWG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NSV1C301CTWG 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 NSV1C301CTWG?

For technical support, including NSV1C301CTWG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSV1C301CTWG requirements.

6.How does Aetrix verify that NSV1C301CTWG is sourced from the original manufacturer or authorized distributors?

All NSV1C301CTWG 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 NSV1C301CTWG meets industry standards.

7.What is the process for return or replacement of NSV1C301CTWG?

All NSV1C301CTWG units undergo pre-shipment inspection (PSI). If there is an issue with NSV1C301CTWG, 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 NSV1C301CTWG part is unused and in its original packaging.

Return procedure for NSV1C301CTWG:

1.Submit a request within 90 days.

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

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