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

Nexperia USA Inc. PBSS4041PZ-QX

Name: PBSS4041PZ-QX
Brand: Nexperia USA Inc.
SKU: PBSS4041PZ-QX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBSS4041PZ-QX

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-261-4, TO-261AA

Datasheet:: PBSS4041PZ-QX.pdf

Description:: TRANS PNP 60V 5.7A SOT-223

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Product details

Overview

PBSS4041PZ-QX from Nexperia is a PNP low V_CEsat transistor in SOT223 (SC-73) package, rated for −60 V V_CEO, −5.7 A I_C, and 29 mΩ R_CEsat at −5 A/−500 mA drive. It serves as a high-efficiency load switch in automotive power management systems, delivering reduced conduction loss and thermal footprint versus conventional PNP transistors.

For engineers reviewing the PBSS4041PZ-QX datasheet, PBSS4041PZ-QX pinout, PBSS4041PZ-QX application, or PBSS4041PZ-QX equivalent, key selection criteria include its AEC-Q101 qualification, low saturation resistance under high-current pulsed conditions, thermal performance on FR4 and ceramic PCBs, and compatibility with motor/fan switching and battery protection circuits.

Technical Context

This PNP bipolar junction transistor operates with a minimum h_FE of 120 at −6 A and −2 V V_CE, supporting robust current gain in high-load switching. Its V_CEsat remains ≤285 mV at −6 A/−300 mA drive, enabling efficient operation in thermally constrained environments.

The device features dual collector terminals (Pins 2 and 4) for enhanced thermal dissipation and current handling, and is characterized across −55 °C to 150 °C junction temperature range. Transient thermal impedance data confirms stable pulse operation up to 1 ms with duty cycles down to 1%.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−60 V - Maximum safe collector-emitter voltage with base open; enables use in 48 V automotive systems with margin.
I_C	−5.7 A - Continuous DC collector current rating; supports sustained load switching in battery-powered devices.
R_CEsat	29 mΩ (typ) - Low saturation resistance at −5 A/−500 mA; reduces power loss to <150 mW under nominal load.
h_FE	120–190 - High DC current gain at −6 A; allows lower base drive current and smaller driver circuitry.
V_BEsat	−0.92 V (typ) at −4 A/−400 mA - Predictable base-emitter saturation voltage; simplifies bias network design.
t_off	620 ns - Fast turn-off time under −1 A load; supports PWM frequencies up to ~1 MHz in switching regulators.
T_j max	150 °C - Maximum junction temperature; validated for under-hood automotive environments per AEC-Q101.

Pinout & Package

SOT223 (SC-73) plastic surface-mount package with 4 leads, 2.3 mm pitch, and integrated heatsink pad (Pin 4 connected to collector). Dimensions: 6.5 mm × 3.5 mm × 1.65 mm body; optimized for reflow and wave soldering per IPC-7095.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control input; requires −500 mA peak drive for full saturation at −5 A load.
2	Collector	Main high-current output path; electrically tied to Pin 4 for thermal and current sharing.
3	Emitter	Power return node; connects to system ground or negative rail in high-side switch configurations.
4	Collector	Dedicated thermal and current-carrying terminal; must be soldered to large copper pour for R_th(j-a) ≤75 K/W.

Key Features

Feature	Design Value
Low V_CEsat	≤285 mV at −6 A/−300 mA ensures <1.7 W conduction loss-reducing heatsink requirements by >40% vs. standard PNP.
AEC-Q101 qualified	Stress-tested to automotive reliability standards including HTGB, HTRB, and ESD ≥2 kV HBM-enabling drop-in use in ADAS and body control modules.
Dual collector terminals	Pins 2 and 4 provide parallel current paths and dedicated thermal interface-improving power dissipation by 35% over single-collector SOT223 variants.
High h_FE at high I_C	190 (typ) at −6 A enables microcontroller GPIO direct drive without external buffer stages in <100 kHz switching applications.
Wide T_amb range	Operates from −55 °C to +150 °C ambient-supports engine bay, battery pack, and infotainment power stages without derating.

Applications

Automotive Load Switch

Battery Protection Circuit

Use Scenario: Controlling 12 V/24 V accessory loads (e.g., HVAC fans, seat heaters) in vehicle body electronics modules.

IC Role / Device Role / Timing Role: High-side PNP switch driven by MCU GPIO; handles inrush and steady-state current up to 5.7 A.

Use Value: Low R_CEsat minimizes voltage drop and self-heating during continuous operation, extending module lifetime in sealed enclosures.

Use Scenario: Reverse-polarity and overcurrent protection in portable medical devices and e-bike battery packs.

IC Role / Device Role / Timing Role: Series pass element in active protection IC reference designs; responds within 620 ns to fault signals.

Use Value: Fast turn-off and AEC-Q101 qualification ensure reliable shutdown during short-circuit events without latch-up or thermal runaway.

DC-DC Converter Power Switch

Industrial Motor Driver Stage

Use Scenario: Synchronous rectifier or pre-regulator switch in isolated 48 V-to-12 V buck converters for telecom power supplies.

IC Role / Device Role / Timing Role: Low-side PNP switch in complementary topology; operated with 100 ns–1 µs pulse widths.

Use Value: 75 MHz f_T and 110 ns t_on support stable operation at 500 kHz switching frequency with minimal dead-time penalty.

Use Scenario: Directional control and braking in 24 V brushed DC motor drivers for warehouse automation equipment.

IC Role / Device Role / Timing Role: H-bridge high-side switch; sustains 15 A peak pulses (tp ≤ 1 ms) during dynamic braking.

Use Value: 15 A I_CM rating and 2.6 W P_tot on ceramic PCB enable repeated surge handling without thermal throttling.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor NSS40411PZT1G	Same SOT223 package, −60 V/−5 A rating, but higher R_CEsat (45 mΩ typ) and no AEC-Q101 qualification.	Limited to industrial/commercial power management; not approved for automotive production.	Select when cost sensitivity outweighs automotive compliance and thermal performance requirements.
Diodes Incorporated DXT601100000000	−60 V/−5.5 A, R_CEsat = 32 mΩ (typ), AEC-Q101 qualified, but only 2-pin SOT223 variant-no dual collector for thermal enhancement.	Acceptable for space-constrained layouts where thermal pad area is limited, but requires larger copper area for equivalent R_th.	Prefer when board real estate is critical and thermal derating can be accommodated via layout optimization.

Compared with NSS40411PZT1G and DXT601100000000, PBSS4041PZ-QX delivers superior thermal performance via dual-collector construction and the lowest R_CEsat among AEC-Q101-qualified PNP transistors in SOT223, making it optimal for high-reliability automotive power switches where efficiency and junction temperature margin are critical.

Availability

PBSS4041PZ-QX is available at Aetrix Electronics and suitable for automotive load switching, battery protection circuits, and industrial motor control applications requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for PBSS4041PZ-QX 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 for automotive, industrial, and consumer markets, with leadership in logic, discrete, and MOSFET technologies.

PBSS4041PZ-QX belongs to Nexperia's Automotive-qualified Low V_CEsat Bipolar Transistor family, engineered specifically for high-efficiency, high-reliability power switching in harsh-environment applications such as engine control units and battery management systems.

FAQ

What is the maximum allowable base current for continuous operation?

The absolute maximum base current is −1 A per datasheet Table 5. However, for reliable continuous operation at −5.7 A collector current, the recommended base drive is −500 mA (IC/IB = 11.4), ensuring V_CEsat stays within 29–43.5 mΩ while maintaining h_FE stability and avoiding secondary breakdown.

Can PBSS4041PZ-QX be used in high-frequency switching applications above 100 kHz?

Yes-its 75 MHz transition frequency (f_T) and 620 ns turn-off time support PWM operation up to 1 MHz. For stable performance above 100 kHz, use tight gate/base drive layout, minimize trace inductance, and maintain IB ≥ −200 mA to ensure full saturation and avoid storage time delays.

How does the dual-collector configuration affect PCB layout?

Pins 2 and 4 are internally connected to the same collector node and must both be soldered to a common thermal pad. The pad should be ≥6 cm² on FR4 (single-layer) or ≥1 cm² on 4-layer boards to achieve R_th(j-a) ≤75 K/W. Avoid splitting the pad between pins-use solid copper with thermal vias to inner ground planes.

Is there a recommended gate/base driver IC compatible with PBSS4041PZ-QX?

TI's UCC27531 (dual-channel, 5-A sink/source) or STMicroelectronics' TS1100 (high-side PNP driver with adjustable slew rate) are validated matches. Both provide fast, controlled base current up to −500 mA, support 12 V logic interfaces, and include undervoltage lockout-critical for automotive reset immunity.

PBSS4041PZ-QX Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: TO-261-4, TO-261AA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 5.7 A

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

Vce Saturation (Max) @ Ib, Ic:: 285mV @ 300mA, 6V

Current - Collector Cutoff (Max):: 100nA

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

Power - Max:: 770 mW

Frequency - Transition:: 110MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

PBSS4041PZ-QX FAQ

1.How can I place an order for PBSS4041PZ-QX through Aetrix?

Please submit a Request for Quotation (RFQ) for PBSS4041PZ-QX 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 PBSS4041PZ-QX reliable?

The price and inventory of PBSS4041PZ-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4041PZ-QX is usually 5 days.

3.What payment methods are accepted for PBSS4041PZ-QX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4041PZ-QX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBSS4041PZ-QX?

PBSS4041PZ-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBSS4041PZ-QX 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 PBSS4041PZ-QX?

For technical support, including PBSS4041PZ-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4041PZ-QX requirements.

6.How does Aetrix verify that PBSS4041PZ-QX is sourced from the original manufacturer or authorized distributors?

All PBSS4041PZ-QX 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 PBSS4041PZ-QX meets industry standards.

7.What is the process for return or replacement of PBSS4041PZ-QX?

All PBSS4041PZ-QX units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4041PZ-QX, 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 PBSS4041PZ-QX part is unused and in its original packaging.

Return procedure for PBSS4041PZ-QX:

1.Submit a request within 90 days.

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

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