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

Nexperia USA Inc. PBSS304NX,115

Name: PBSS304NX,115
Brand: Nexperia USA Inc.
SKU: PBSS304NX,115
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBSS304NX,115

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: PBSS304NX,115.pdf

Description:: TRANS NPN 60V 4.7A SOT-89

Quantity:: RFQ Add To RFQ list

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Product details

Overview

PBSS304NX from Nexperia is an AEC-Q101-qualified NPN low-V_CEsat transistor in SOT89 package, rated for 60 V V_CEO, 4.7 A continuous collector current, and 37–53 mΩ R_CEsat at I_C = 4 A / I_B = 200 mA. It serves as a high-efficiency power switch in automotive high-voltage gate drive and DC-DC converter stages.

For engineers reviewing the PBSS304NX datasheet, PBSS304NX pinout, PBSS304NX application, or PBSS304NX equivalent, this device is selected for high-current switching where thermal efficiency, compact PCB footprint, and automotive-grade reliability are critical - especially when replacing conventional transistors with higher saturation voltage.

Technical Context

This NPN transistor uses epitaxial planar die construction optimized for low on-state resistance and fast switching. Its base-emitter turn-on voltage (V_BEon) is 0.75–0.85 V at I_C = 2 A, and it achieves h_FE of 150–250 at I_C = 4 A / I_B = 80–200 mA, enabling robust current gain under high-load conditions.

Switching performance includes t_on = 110 ns and t_off = 555 ns under standardized test conditions (V_CC = 12.5 V, I_C = 3 A), with f_T = 130 MHz confirming suitability for medium-frequency switching applications up to several hundred kHz.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	60 V - Maximum safe collector-emitter blocking voltage in open-base configuration; enables use in 48 V automotive and industrial bus systems.
I_C (continuous)	4.7 A - Rated DC collector current; supports sustained load switching without derating on standard FR4 PCBs with adequate copper area.
R_CEsat	37–53 mΩ - Low saturation resistance reduces conduction loss and heat generation, improving system efficiency over conventional transistors.
V_CEsat	170–245 mV at I_C = 4.7 A / I_B = 235 mA - Ultra-low saturation voltage minimizes power dissipation during on-state operation.
h_FE	75–115 at I_C = 6 A - High DC current gain ensures reliable saturation with modest base drive, easing driver circuit design.
AEC-Q101 qualified	Qualified per Automotive Electronics Council stress test standard - validated for temperature cycling, HTRB, and ESD robustness in automotive environments.

Pinout & Package

SOT89 (SC-62/TO-243) plastic surface-mount package: 3-lead, 1.5 mm pitch, 4.5 × 2.5 × 1.5 mm body; thermally enhanced with exposed collector pad for soldering to large copper area.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter	Current return path; connected to ground or low-side reference; electrically isolated from heatsink in standard mounting.
2	Collector	Main power output terminal; internally connected to exposed metal tab for direct thermal coupling to PCB copper pour.
3	Base	Control input; requires ~235 mA drive for full saturation at 4.7 A load; sensitive to ESD but protected by internal structure per AEC-Q101.

Key Features

Feature	Design Value
Low V_CEsat	170–245 mV enables <1 W conduction loss at 4.7 A, reducing heatsink requirements in space-constrained modules.
High I_C capability	4.7 A continuous rating supports motor drivers and power switches without parallel devices in many 48 V applications.
AEC-Q101 qualification	Validated for automotive under-hood environments including -40 °C to +150 °C junction operation and mechanical shock resistance.
Small SOT89 footprint	4.5 × 2.5 mm outline saves >40% board area versus TO-220 or DPAK alternatives while maintaining thermal performance via copper pad coupling.

Applications

High-Voltage DC-DC Conversion

Automotive MOSFET Gate Driving

Use Scenario: Step-down converter in 48 V mild-hybrid vehicle architecture, switching at 250 kHz with synchronous rectification.

IC Role / Device Role / Timing Role: Primary high-side switch controlling energy transfer into output inductor; operates in hard-switched mode with defined t_on/t_off.

Use Value: 37 mΩ R_CEsat limits conduction loss to <0.8 W at 4.7 A, allowing natural convection cooling on 6 cm² collector pad.

Use Scenario: Driving high-threshold SiC MOSFET gates in battery disconnect unit requiring fast, high-current turn-on pulse.

IC Role / Device Role / Timing Role: Low-impedance emitter-follower buffer delivering >200 mA peak base current with minimal V_CEsat droop.

Use Value: 170 mV V_CEsat ensures >98% gate voltage fidelity during 4.7 A transient, minimizing MOSFET switching delay.

High-Voltage Motor Control

Automotive Power Switching

Use Scenario: Half-bridge leg in 24–48 V brushed DC motor controller for HVAC blower or power seat actuator.

IC Role / Device Role / Timing Role: Low-side switching element handling bidirectional current up to 4.7 A with PWM duty cycles up to 95%.

Use Value: 150 °C max junction temperature and AEC-Q101 qualification ensure stable operation across -40 °C to +125 °C ambient.

Use Scenario: Load switch for engine control module (ECM) auxiliary circuits such as fuel pump pre-charge or solenoid activation.

IC Role / Device Role / Timing Role: Single-pole power switch enabling controlled inrush current limiting and fault-isolated shutdown.

Use Value: 9.4 A I_CM peak rating accommodates 3× inrush surges without latch-up, supported by robust SOA up to 1 ms.

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN low-V_CEsat transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor NSS30401MZ4T1G	Same SOT89 package, 60 V V_CEO, but lower I_C = 3.5 A and higher V_CEsat = 220–320 mV at 3.5 A.	Less suitable for 4.7 A continuous loads; better for cost-sensitive non-automotive applications with marginally lower thermal demands.	Select when BOM cost is prioritized over peak current capability and automotive qualification is not required.
Diodes Incorporated DXT60110PSQ-13	Higher V_CEO = 100 V, same 4.7 A I_C, but larger SOT223 package and no AEC-Q101 certification.	Applicable in industrial 100 V bus systems; lacks automotive qualification and has 30% larger PCB footprint than SOT89.	Select only if 100 V blocking is mandatory and automotive compliance is unnecessary; avoid for space-constrained automotive designs.

Compared with NSS30401MZ4T1G and DXT60110PSQ-13, PBSS304NX uniquely balances 4.7 A current, ultra-low 170 mV V_CEsat, AEC-Q101 qualification, and minimal SOT89 footprint - making it optimal for automotive 48 V power stages where thermal density and reliability are co-constrained.

Availability

PBSS304NX is available at Aetrix Electronics and suitable for automotive power switching, high-voltage DC-DC conversion, and motor control applications requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for PBSS304NX 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

Nexperia is a global semiconductor expert focused on essential semiconductors, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.

PBSS304NX belongs to Nexperia's Automotive-qualified Low-V_CEsat Transistor product line, engineered specifically for efficient, space-saving power switching in 12–48 V automotive subsystems and industrial power supplies.

FAQ

What is the maximum allowable junction temperature for PBSS304NX?

The absolute maximum junction temperature is 150 °C, verified per AEC-Q101 thermal stress testing. Operation above this limit risks permanent degradation of h_FE and increased leakage. Derating curves in the datasheet define safe power dissipation limits based on PCB copper area and substrate type - e.g., 2.1 W on ceramic Al₂O₃ vs. 1.65 W on FR4 with 6 cm² collector pad.

Is PBSS304NX pin-compatible with its PNP complement PBSS304PX?

Yes - PBSS304NX (NPN) and PBSS304PX (PNP) share identical SOT89 pinning: Pin 1 = Emitter, Pin 2 = Collector, Pin 3 = Base. This allows symmetrical layout in complementary emitter-follower or push-pull configurations without redesigning footprints or routing.

How does the 37–53 mΩ R_CEsat specification translate to real-world power loss?

At 4 A collector current, R_CEsat = 45 mΩ yields conduction loss of I²R = 0.72 W. This is 55% lower than a typical standard bipolar transistor with 100 mΩ R_CEsat, directly reducing thermal load and enabling smaller heatsinks or higher ambient operating temperatures in sealed enclosures.

Can PBSS304NX be used in linear regulator applications?

No - it is optimized for switching operation, not linear regulation. Its Safe Operating Area (SOA) is limited in the linear region, and prolonged operation with high V_CE × I_C products causes rapid thermal runaway. The datasheet specifies only pulsed and switched-mode operating conditions; linear use violates AEC-Q101 qualification scope and voids reliability guarantees.

PBSS304NX,115 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: TO-243AA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: NPN

Current - Collector (Ic) (Max):: 4.7 A

Voltage - Collector Emitter Breakdown (Max):: 60 V

Vce Saturation (Max) @ Ib, Ic:: 245mV @ 235mA, 4.7A

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 250 @ 2A, 2V

Power - Max:: 2.1 W

Frequency - Transition:: 130MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89

PBSS304NX,115 FAQ

1.How can I place an order for PBSS304NX,115 through Aetrix?

Please submit a Request for Quotation (RFQ) for PBSS304NX,115 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 PBSS304NX,115 reliable?

The price and inventory of PBSS304NX,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS304NX,115 is usually 5 days.

3.What payment methods are accepted for PBSS304NX,115?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS304NX,115 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBSS304NX,115?

PBSS304NX,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBSS304NX,115 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 PBSS304NX,115?

For technical support, including PBSS304NX,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS304NX,115 requirements.

6.How does Aetrix verify that PBSS304NX,115 is sourced from the original manufacturer or authorized distributors?

All PBSS304NX,115 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 PBSS304NX,115 meets industry standards.

7.What is the process for return or replacement of PBSS304NX,115?

All PBSS304NX,115 units undergo pre-shipment inspection (PSI). If there is an issue with PBSS304NX,115, 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 PBSS304NX,115 part is unused and in its original packaging.

Return procedure for PBSS304NX,115:

1.Submit a request within 90 days.

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

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