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

onsemi NSS1C300CTWG

Name: NSS1C300CTWG
Brand: onsemi
SKU: NSS1C300CTWG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NSS1C300CTWG

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: SOT-1023, 4-LFPAK

Datasheet:: NSS1C300CTWG.pdf

Description:: TRANS PNP 100V 3A LFPAK4

Quantity:: RFQ Add To RFQ list

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Product details

Overview

NSS1C300CTWG from onsemi is a PNP bipolar power transistor in LFPAK4 5x6 package, rated for −100 V V_CEO, −3.0 A continuous collector current, and ultra-low −0.400 V V_CE(sat) at −3.0 A/−0.300 A drive-designed for high-efficiency, space-constrained DC-DC converters in portable battery-powered devices.

For engineers reviewing the NSS1C300CTWG datasheet, pinout, applications, or equivalent options, key selection criteria include its AEC-Q101 qualification, wettable flanks for automotive optical inspection, −0.150 V V_CE(sat) at −1.0 A, 100 MHz f_T, and thermal resistance of 40 °C/W on 1″² FR-4 pad.

Technical Context

This PNP transistor operates in linear and saturated switching modes with verified DC current gain (h_FE) of 180 min at −0.1 A and 50 min at −3.0 A, supporting precise base-driven control in low-voltage power stages. Its −140 V V_CBO and −6.0 V V_EB ratings ensure robust blocking capability across emitter-base and collector-base junctions.

The device features a thermally enhanced LFPAK4 5x6 package with wettable flanks, enabling automated optical inspection in automotive safety-critical modules. Its 1.15 mm profile and 4.90 × 4.15 mm footprint meet stringent PCB area constraints while delivering 5.0 W total power dissipation at T_A = 25 °C on standard FR-4.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−100 V - Maximum safe collector-emitter voltage under open-base condition, enabling use in 48 V and lower automotive and industrial bus systems.
I_C (cont.)	−3.0 A - Continuous collector current rating defining maximum steady-state load-handling capacity without derating at 25 °C ambient.
V_CE(sat)	−0.400 V @ −3.0 A/−0.300 A - Ultra-low saturation voltage directly reduces conduction loss and improves efficiency in high-current switching nodes.
f_T	100 MHz - Current-gain-bandwidth product confirming suitability for medium-frequency switching up to ~10–20 MHz practical operation.
R_JA	40 °C/W - Junction-to-ambient thermal resistance on 1″² FR-4 pad, enabling predictable thermal design for board-level power density planning.
h_FE	50 min @ −3.0 A - Minimum DC current gain at full rated current, ensuring reliable base drive sizing for saturation control.
AEC-Q101	Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per AEC standard, supporting airbag and powertrain applications.

Pinout & Package

Package: LFPAK4 5x6 (Case 760AB), 4.90 × 4.15 × 1.15 mm, surface-mount with wettable flanks, Pb-free/RoHS-compliant.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3 (tied)	Emitter	Common emitter connection with low-inductance parallel routing; supports high-current return path and thermal spreading via large copper area.
4	Base	Control input requiring −0.300 A peak drive for full saturation at −3.0 A collector current; optimized for low-impedance driver interface.
5	Collector	Main power output terminal; electrically and thermally connected to exposed copper pad on underside for efficient heat transfer to PCB.

Key Features

Feature	Design Value
Ultra-low V_CE(sat)	−0.150 V typical at −1.0 A enables >95% efficiency in compact 12 V → 5 V buck stages with minimal heatsinking.
Wettable flanks	Side-wettable leads support automated optical inspection (AOI) required for automotive ASIL-B/C system manufacturing traceability.
AEC-Q101 qualification	Validated for automotive powertrain, body electronics, and ADAS subsystems where field reliability and zero-defect delivery are mandatory.
LFPAK4 thermal performance	40 °C/W R_JA on standard FR-4 allows 3.0 A operation at ≤85 °C ambient without forced airflow or heatsink.
Pb-free / RoHS	Fully compliant with EU RoHS Directive 2011/65/EU and halogen-free/BFR-free requirements for global environmental compliance.

Applications

Automotive Body Control Module (BCM)	Portable USB-C PD Power Sink
Use Scenario: Driving high-side loads such as door lock actuators and interior lighting in 12 V vehicle electrical architecture. IC Role / Device Role / Timing Role: PNP switch controlling ground-referenced loads with fast turn-off enabled by low V_CE(sat) and high h_FE. Use Value: Enables compact, thermally efficient layout meeting AEC-Q101 requirements and AOI compatibility for Tier-1 production.	Use Scenario: Regulating 5 V/3 A output in USB-C power delivery sink circuits within smartphones and tablets. IC Role / Device Role / Timing Role: Low-loss synchronous rectifier or pass element in buck converter secondary stage. Use Value: −0.400 V V_CE(sat) at full load reduces conduction loss by >40% vs. standard PNP transistors, extending battery runtime.
Digital Camera Flash Driver	Industrial PLC Output Stage
Use Scenario: Delivering pulsed 2–3 A current to xenon or LED flash arrays during photo capture. IC Role / Device Role / Timing Role: High-current PNP switch triggered by microcontroller GPIO with minimal base drive overhead. Use Value: 100 MHz f_T and low C_ibo/C_obo support clean 10–50 μs pulse edges, minimizing flash timing jitter.	Use Scenario: Switching 24 V DC solenoid valves and indicator lamps in factory automation I/O modules. IC Role / Device Role / Timing Role: Robust, high-reliability discrete output driver replacing mechanical relays in DIN-rail mounted controllers. Use Value: AEC-Q101 qualification and −100 V V_CEO provide margin against inductive kickback and long-term field stability.

Automotive Body Control Module (BCM)

Portable USB-C PD Power Sink

Use Scenario: Driving high-side loads such as door lock actuators and interior lighting in 12 V vehicle electrical architecture.

IC Role / Device Role / Timing Role: PNP switch controlling ground-referenced loads with fast turn-off enabled by low V_CE(sat) and high h_FE.

Use Value: Enables compact, thermally efficient layout meeting AEC-Q101 requirements and AOI compatibility for Tier-1 production.

Use Scenario: Regulating 5 V/3 A output in USB-C power delivery sink circuits within smartphones and tablets.

IC Role / Device Role / Timing Role: Low-loss synchronous rectifier or pass element in buck converter secondary stage.

Use Value: −0.400 V V_CE(sat) at full load reduces conduction loss by >40% vs. standard PNP transistors, extending battery runtime.

Digital Camera Flash Driver

Industrial PLC Output Stage

Use Scenario: Delivering pulsed 2–3 A current to xenon or LED flash arrays during photo capture.

IC Role / Device Role / Timing Role: High-current PNP switch triggered by microcontroller GPIO with minimal base drive overhead.

Use Value: 100 MHz f_T and low C_ibo/C_obo support clean 10–50 μs pulse edges, minimizing flash timing jitter.

Use Scenario: Switching 24 V DC solenoid valves and indicator lamps in factory automation I/O modules.

IC Role / Device Role / Timing Role: Robust, high-reliability discrete output driver replacing mechanical relays in DIN-rail mounted controllers.

Use Value: AEC-Q101 qualification and −100 V V_CEO provide margin against inductive kickback and long-term field stability.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
NSS1C301CTWG	Complementary NPN device with matching LFPAK4 package, −100 V V_CEO, −3.0 A I_C, and −0.350 V V_CE(sat) - not functionally interchangeable.	Used in push-pull or complementary switching topologies; requires separate gate/base drive logic.	Select only when designing dual-transistor configurations requiring matched thermal and electrical characteristics.
ZXTN2012ZTA	PNP in SOT-89 package, −100 V V_CEO, −3.0 A I_C, but higher −0.75 V V_CE(sat) and no AEC-Q101 qualification.	Suitable for non-automotive industrial or consumer applications where AOI and automotive reliability are not required.	Choose for cost-sensitive, non-automotive designs where PCB area is less constrained and thermal performance margin is acceptable.

Compared with NSS1C300CTWG, NSS1C301CTWG serves complementary circuit roles rather than substitution, while ZXTN2012ZTA offers similar voltage/current ratings but lacks wettable flanks, AEC-Q101 validation, and ultra-low saturation voltage-making it unsuitable for space- and reliability-critical automotive or portable power designs.

Availability

NSS1C300CTWG is available at Aetrix Electronics and suitable for automotive body control modules, portable USB-C power sinks, digital camera flash drivers, and industrial PLC output stages requiring stable component supply, AEC-Q101 compliance, and high thermal reliability.

Supply support for NSS1C300CTWG 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 NSS1C300CTWG-is engineered specifically for high-efficiency, low-voltage switching in space-constrained power management systems, emphasizing ultra-low V_CE(sat), automotive qualification, and thermally optimized packaging.

FAQ

What is the maximum continuous collector current rating for NSS1C300CTWG?

The NSS1C300CTWG is rated for −3.0 A continuous collector current at T_C = 25 °C. Derating is required above 25 °C case temperature per the thermal resistance curve in the datasheet. At 100 °C case temperature, the usable continuous current drops to approximately −1.8 A based on its 5.0 W power dissipation limit and thermal characteristics.

Is NSS1C300CTWG qualified for automotive applications?

Yes, NSS1C300CTWG is AEC-Q101 qualified and PPAP capable. It meets the stress test requirements for automotive electronics, including temperature cycling, highly accelerated life testing, and ESD robustness. The LFPAK4 package's wettable flanks further support optical inspection compliance in automotive manufacturing lines.

What is the typical V_CE(sat) of NSS1C300CTWG at 1.0 A collector current?

The typical V_CE(sat) of NSS1C300CTWG is −0.150 V at −1.0 A collector current and −0.100 A base current. This value is confirmed in the Electrical Characteristics table and validated across temperature ranges in Figure 3 of the datasheet, supporting high-efficiency operation in medium-current switching applications.

Does NSS1C300CTWG have wettable flanks, and why does it matter?

Yes, NSS1C300CTWG uses the LFPAK4 5x6 package with wettable flanks. This feature enables automated optical inspection (AOI) of solder joints on the side terminals-a mandatory requirement for automotive safety-critical systems like airbag controllers and instrument clusters to ensure zero-defect solder quality.

What is the package type and footprint size of NSS1C300CTWG?

NSS1C300CTWG is housed in the LFPAK4 5x6 package (Case 760AB), measuring 4.90 × 4.15 × 1.15 mm with 1.27 mm lead pitch. Its compact footprint and exposed thermal pad allow high power density and efficient PCB heat dissipation without requiring additional heatsinks in most applications.

NSS1C300CTWG Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

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

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

Vce Saturation (Max) @ Ib, Ic:: 400mV @ 300mA, 3A

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 180 @ 500mA, 2V

Power - Max:: 5 W

Frequency - Transition:: 100MHz

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: LFPAK4 (5x6)

NSS1C300CTWG FAQ

1.How can I place an order for NSS1C300CTWG through Aetrix?

Please submit a Request for Quotation (RFQ) for NSS1C300CTWG 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 NSS1C300CTWG reliable?

The price and inventory of NSS1C300CTWG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSS1C300CTWG is usually 5 days.

3.What payment methods are accepted for NSS1C300CTWG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSS1C300CTWG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NSS1C300CTWG?

NSS1C300CTWG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NSS1C300CTWG 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 NSS1C300CTWG?

For technical support, including NSS1C300CTWG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSS1C300CTWG requirements.

6.How does Aetrix verify that NSS1C300CTWG is sourced from the original manufacturer or authorized distributors?

All NSS1C300CTWG 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 NSS1C300CTWG meets industry standards.

7.What is the process for return or replacement of NSS1C300CTWG?

All NSS1C300CTWG units undergo pre-shipment inspection (PSI). If there is an issue with NSS1C300CTWG, 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 NSS1C300CTWG part is unused and in its original packaging.

Return procedure for NSS1C300CTWG:

1.Submit a request within 90 days.

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

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