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

Nexperia USA Inc. PBSS304NXZ

Name: PBSS304NXZ
Brand: Nexperia USA Inc.
SKU: PBSS304NXZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBSS304NXZ

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: PBSS304NXZ.pdf

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

Quantity:: RFQ Add To RFQ list

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Inventory:4,376

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Product details

Overview

PBSS304NXZ from Nexperia is a 60 V, 4.7 A NPN low-V_CEsat transistor in SOT89 package, designed for high-voltage switching roles in power stages-specifically as a high-efficiency switch in DC-DC converters, MOSFET gate drivers, and automotive motor control circuits, with confirmed R_CEsat = 37–53 mΩ at I_C = 4 A / I_B = 200 mA and AEC-Q101 qualification.

For engineers reviewing the PBSS304NXZ datasheet, PBSS304NXZ pinout, PBSS304NXZ application, or PBSS304NXZ equivalent, this page delivers verified electrical parameters, thermal derating curves, PCB footprint details, and validated automotive-grade substitution options-enabling rapid selection for high-voltage, high-current switching designs requiring minimal conduction loss and reliable thermal performance on FR4 or ceramic substrates.

Technical Context

This NPN transistor operates as a saturated switch with V_CEO = 60 V and I_C = 4.7 A continuous rating, optimized for low-loss operation via ultra-low R_CEsat (37–53 mΩ) and high h_FE (75–115 at I_C = 6 A), enabling efficient drive with modest base current. Its SOT89 package integrates a thermally enhanced collector pad for direct PCB heat spreading.

Switching performance is characterized by t_on = 110 ns, t_off = 555 ns, and f_T = 130 MHz, supporting medium-frequency PWM control in power conversion. Thermal resistance varies from 60 K/W (ceramic PCB) to 208 K/W (standard FR4), directly linking layout choices to safe operating area.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	60 V - Maximum blocking voltage across collector-emitter when base is open; defines upper limit for DC-DC converter input or motor supply rails.
I_C	4.7 A - Continuous collector current rating at T_amb ≤ 25 °C; supports sustained load switching in fan/motor drivers without forced cooling.
R_CEsat	37–53 mΩ - Confirmed saturation resistance at I_C = 4 A / I_B = 200 mA; enables <180 mW conduction loss per device at full current.
h_FE	75–115 - DC current gain at I_C = 6 A; ensures stable saturation with moderate base drive, reducing driver stage complexity.
t_off	555 ns - Turn-off time under V_CC = 12.5 V, I_C = 3 A, ±0.15 A base drive; supports PWM frequencies up to ~300 kHz with controlled switching loss.
AEC-Q101	Qualified - Validated for automotive temperature range (−65 °C to +150 °C) and stress testing; suitable for under-hood motor control and body electronics.
P_tot (ceramic)	2.1 W - Total power dissipation on Al₂O₃ PCB; enables higher ambient operation than FR4-limited 0.6–1.65 W ratings.

Pinout & Package

SOT89 (SC-62/TO-243) plastic surface-mount package: 4.5 mm × 2.5 mm × 1.5 mm body, 1.5 mm lead pitch, thermally optimized collector tab for solder-pad heat transfer.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter	Reference node for base-emitter bias and current return path; connected to ground or low-side reference in high-side switch configurations.
2	Collector	Main power output terminal; electrically and thermally coupled to large copper pour for heat dissipation in PCB layout.
3	Base	Control input for saturation; requires ≥200 mA pulsed drive to achieve specified R_CEsat; sensitive to ESD and must be protected in high-noise environments.

Key Features

Feature	Design Value
Low V_CEsat	170–245 mV at I_C = 4.7 A / I_B = 235 mA - Reduces conduction loss by >40% vs. standard bipolar transistors, lowering thermal load in space-constrained modules.
High I_C capability	4.7 A continuous, 9.4 A peak - Supports direct driving of small motors, solenoids, and logic-level MOSFET gates without external amplification.
AEC-Q101 qualification	Validated for automotive use including temperature cycling, HTRB, and ESD - Eliminates need for additional qualification testing in Tier-1 body control modules.
Thermal optimization	R_th(j-sp) = 20 K/W - Enables direct junction-to-solder-point heat transfer, improving reliability over conventional SOT-23 alternatives in high-power density layouts.

Applications

High-Voltage DC-DC Converter

Automotive Motor Control

Use Scenario: Step-down regulation from 48 V battery rail to 12 V auxiliary bus in mild-hybrid vehicles.

IC Role / Device Role / Timing Role: Main switching transistor in synchronous buck topology, operating at 200 kHz with 50% duty cycle.

Use Value: Low R_CEsat minimizes conduction loss (<180 mW), reducing heatsink requirements and enabling compact 2-layer PCB design.

Use Scenario: Driving brushed DC radiator fan in engine compartment with 24 V nominal supply.

IC Role / Device Role / Timing Role: High-side switch controlling fan current; driven by microcontroller GPIO with base resistor network.

Use Value: AEC-Q101 rating ensures operation at 125 °C ambient; 60 V V_CEO accommodates load-dump transients up to 40 V.

High-Voltage MOSFET Gate Driver

Industrial Power Switch

Use Scenario: Level-shifting and current boosting stage for 600 V SiC MOSFET gate in industrial AC-DC PFC circuit.

IC Role / Device Role / Timing Role: Low-side driver transistor sourcing/sinking ≥200 mA to charge/discharge gate capacitance rapidly.

Use Value: 555 ns t_off and 130 MHz f_T support fast gate transitions, reducing switching loss in 50–100 kHz PFC stages.

Use Scenario: Solid-state replacement for electromechanical relay in HVAC blower control module.

IC Role / Device Role / Timing Role: Final power switch handling 4 A resistive load at 36 V DC, cycled infrequently but requiring high reliability.

Use Value: 2.1 W P_tot on ceramic PCB allows derating-free operation at 85 °C ambient, extending field lifetime beyond 10 years.

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 NSS30400DZT1G	V_CEO = 40 V, I_C = 4 A, R_CEsat = 45–65 mΩ - Lower voltage rating and higher saturation resistance.	Not suitable for 48 V systems or automotive load-dump scenarios; limited to 24 V industrial controls.	Select only if system max voltage ≤ 36 V and thermal margin permits higher conduction loss.
Diodes Incorporated DXT60110P5-13	V_CEO = 60 V, I_C = 5 A, R_CEsat = 30–48 mΩ - Slightly lower R_CEsat, but not AEC-Q101 qualified.	Lacks automotive qualification; requires customer-level reliability validation for automotive use.	Prefer for cost-sensitive industrial applications where AEC-Q101 is not mandated and 5 A headroom is beneficial.

Compared with PBSS304NXZ, NSS30400DZT1G trades voltage robustness for broader distributor availability, while DXT60110P5-13 offers marginally better conduction efficiency but shifts qualification burden to the end user-making PBSS304NXZ the optimal choice for automotive-grade 48 V systems requiring zero added validation effort.

Availability

PBSS304NXZ is available at Aetrix Electronics and suitable for high-voltage DC-DC conversion, automotive motor control, and industrial power switching applications requiring stable component supply, long-term lifecycle assurance, and traceable automotive-grade sourcing.

Supply support for PBSS304NXZ 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 components for automotive, industrial, and consumer markets.

PBSS304NXZ belongs to Nexperia's Automotive-qualified Low-V_CEsat Transistor product line, engineered specifically for high-efficiency, high-reliability switching in 12–48 V automotive and industrial power systems.

FAQ

What is the maximum allowable base current for continuous operation?

The datasheet specifies I_B = 235 mA for V_CEsat measurement at I_C = 4.7 A, but no separate continuous I_B rating is given. Based on h_FE ≥ 75 and thermal limits, sustained I_B should not exceed 200 mA to avoid excessive base-emitter junction heating and ensure long-term reliability under 85 °C ambient conditions.

Can PBSS304NXZ replace a MOSFET in low-frequency switching applications?

Yes-within its 60 V/4.7 A rating and with appropriate base drive. Its low R_CEsat and high h_FE enable efficient saturated switching below 100 kHz. However, unlike MOSFETs, it requires continuous base current, so driver power consumption and thermal design must account for ~200 mA base drive at full load.

Is the SOT89 footprint compatible with wave soldering?

Yes-the official Nexperia wave soldering footprint (Fig. 17) defines 0.7 mm wide solder lands, 5.3 mm length, and 6.6 mm total width, with preferred transport direction aligned to pin 1–3 axis. This layout ensures consistent wetting and mechanical strength for high-volume manufacturing without reflow-only constraints.

How does thermal performance differ between FR4 and ceramic PCB mounting?

On standard FR4, R_th(j-a) = 208 K/W limits P_tot to 0.6 W at 25 °C ambient; on Al₂O₃ ceramic, R_th(j-a) drops to 60 K/W, enabling full 2.1 W dissipation. This 3.5× thermal improvement allows uninterrupted 4.7 A operation at 85 °C ambient on ceramic, versus derating to ~1.8 A on FR4.

PBSS304NXZ 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:: 290mV @ 80mA, 4A

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 300 @ 500mA, 2V

Power - Max:: -

Frequency - Transition:: 130MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89

PBSS304NXZ FAQ

1.How can I place an order for PBSS304NXZ through Aetrix?

Please submit a Request for Quotation (RFQ) for PBSS304NXZ 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 PBSS304NXZ reliable?

The price and inventory of PBSS304NXZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS304NXZ is usually 5 days.

3.What payment methods are accepted for PBSS304NXZ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS304NXZ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBSS304NXZ?

PBSS304NXZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBSS304NXZ 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 PBSS304NXZ?

For technical support, including PBSS304NXZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS304NXZ requirements.

6.How does Aetrix verify that PBSS304NXZ is sourced from the original manufacturer or authorized distributors?

All PBSS304NXZ 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 PBSS304NXZ meets industry standards.

7.What is the process for return or replacement of PBSS304NXZ?

All PBSS304NXZ units undergo pre-shipment inspection (PSI). If there is an issue with PBSS304NXZ, 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 PBSS304NXZ part is unused and in its original packaging.

Return procedure for PBSS304NXZ:

1.Submit a request within 90 days.

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

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