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

Nexperia USA Inc. PBSS4041PX,115

Name: PBSS4041PX,115
Brand: Nexperia USA Inc.
SKU: PBSS4041PX,115
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBSS4041PX,115

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: PBSS4041PX,115.pdf

Description:: TRANS PNP 60V 5A SOT-89

Quantity:: RFQ Add To RFQ list

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Inventory:4,749

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Product details

Overview

PBSS4041PX from Nexperia is a PNP low V_CEsat transistor in SOT89 package, rated for −60 V V_CEO, −5 A continuous collector current, and 33 mΩ typical R_CEsat at −4 A/−400 mA drive. It serves as a high-efficiency load switch in automotive power management and battery-powered systems where thermal performance and low conduction loss are critical.

For engineers reviewing the PBSS4041PX datasheet, PBSS4041PX pinout, PBSS4041PX application, or PBSS4041PX equivalent, this device is selected for high-current DC switching with minimal voltage drop, AEC-Q101 qualification for automotive environments, and validated thermal derating on FR4 and ceramic PCBs.

Technical Context

This PNP bipolar junction transistor operates in saturation mode for switching applications, with V_CEsat as low as −130 mV at −4 A/−400 mA and −160 mV at −5 A/−500 mA. Its h_FE ranges from 80 to 180 at −6 A, supporting robust base drive margin under high-current loads.

Thermal design is enabled by five distinct R_th(j-a) values (50–208 K/W) depending on PCB construction-e.g., 50 K/W on ceramic Al₂O₃ and 83 K/W on 4-layer FR4-paired with transient thermal impedance curves for pulse-width and duty-cycle validation.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−60 V: Maximum safe collector-emitter blocking voltage with base open; enables use in 48 V automotive and industrial DC systems.
I_C	−5 A continuous: Rated DC collector current at T_amb ≤ 25 °C; supports sustained load switching without forced cooling.
R_CEsat	33 mΩ typ. at −4 A/−400 mA: Low saturation resistance directly reduces I²R conduction loss and heat generation in high-duty-cycle switches.
h_FE	80–180 at −6 A: High DC current gain ensures stable saturation with moderate base drive, reducing driver circuit complexity and power.
t_off	760 ns typ.: Fast turn-off time enables PWM operation up to ~1 MHz in power control loops with minimal switching loss.
AEC-Q101	Qualified: Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD22 standards.
P_tot	2.5 W on ceramic PCB: Maximum dissipation capability defines heatsink-free operation envelope in compact layouts.

Pinout & Package

SOT89 (SC-62) plastic surface-mount package: 3-lead, 1.5 mm pitch, 4.5 mm × 2.5 mm × 1.5 mm body; collector tab provides primary thermal path to PCB copper.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter (E)	Current exit terminal; connected to system ground or low-side return path in high-side switch configurations.
2	Collector (C)	Main current input terminal; electrically and thermally tied to large copper pour for heat dissipation and low-inductance routing.
3	Base (B)	Control input requiring negative current to turn on; driven by logic-level or dedicated PNP driver stage.

Key Features

Feature	Design Value
Low V_CEsat	−130 mV typ. at −4 A ensures <1.5 W conduction loss, enabling >98 % efficiency in 12 V/5 A loadswitches.
High I_C capability	−5 A continuous rating allows direct replacement of TO-220 devices in space-constrained SMD designs without derating.
High h_FE at high I_C	180 gain at −6 A reduces required base drive current to <33 mA, easing compatibility with MCU GPIO or low-power drivers.
AEC-Q101 qualification	Validated for automotive underhood temperatures (−40 to +150 °C junction), ensuring reliability in engine control and ADAS modules.
Thermal flexibility	Five documented R_th(j-a) profiles support optimized layout choices-from standard FR4 to ceramic substrates-without redesign.

Applications

Automotive Load Switch

Battery Protection Circuit

Use Scenario: High-side power switch for 12 V/24 V vehicle subsystems (e.g., HVAC actuators, lighting modules).

IC Role / Device Role / Timing Role: PNP transistor configured as saturated switch controlling load current path from battery to load.

Use Value: −60 V V_CEO withstands load-dump transients; 33 mΩ R_CEsat limits voltage drop to <160 mV at 5 A, minimizing thermal stress.

Use Scenario: Overcurrent cutoff in portable medical devices and two-wheeler battery packs.

IC Role / Device Role / Timing Role: Primary current-handling element in reverse-polarity and short-circuit protection paths.

Use Value: −15 A I_CM peak rating handles surge currents during fault clearing; AEC-Q101 ensures long-term field reliability.

DC Motor Driver Stage

USB-C Power Delivery Switch

Use Scenario: Low-side or high-side driver for brushed DC fans and pumps in industrial controllers.

IC Role / Device Role / Timing Role: Discrete switching element in H-bridge half-bridge or single-ended motor interface.

Use Value: 760 ns t_off supports 100+ kHz PWM commutation; −5 A I_C sustains continuous 10 W motor loads.

Use Scenario: VBUS path switch in USB-C PD sink applications requiring bidirectional 5–20 V, ≤5 A control.

IC Role / Device Role / Timing Role: Directional power FET replacement in compact, cost-sensitive PD implementations.

Use Value: −60 V rating covers full USB PD 3.1 extended power range; SOT89 footprint enables ultra-thin board stacking.

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 NSS40401PZT1G	−40 V V_CEO, −4 A I_C, 50 mΩ R_CEsat; smaller SOT-23 package, lower power handling.	Limited to ≤36 V systems; unsuitable for 48 V automotive or industrial bus applications.	Select when board space is critical and voltage/current demands are ≤40 V/4 A.
Diodes Incorporated DXT6011000000000	−60 V V_CEO, −5 A I_C, but 45 mΩ R_CEsat and no AEC-Q101 qualification.	Not qualified for automotive; requires additional qualification effort for safety-critical deployments.	Choose only for non-automotive industrial use where AEC-Q101 is not mandated.

Compared with NSS40401PZT1G and DXT6011000000000, PBSS4041PX uniquely combines −60 V/−5 A ratings, 33 mΩ R_CEsat, and AEC-Q101 qualification in SOT89-making it the only drop-in solution for automotive-grade high-current load switching without thermal or reliability compromise.

Availability

PBSS4041PX is available at Aetrix Electronics and suitable for automotive load switching, battery protection circuits, and DC motor control requiring stable component supply across production lifecycles.

Supply support for PBSS4041PX 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 efficient power management, signal integrity, and logic functions.

PBSS4041PX belongs to Nexperia's Automotive-qualified PNP low-V_CEsat transistor family, engineered specifically for high-reliability DC switching in 12–48 V automotive and industrial power systems.

FAQ

What is the maximum allowable junction temperature for PBSS4041PX?

The absolute maximum junction temperature (T_j) is 150 °C, as defined in the Absolute Maximum Ratings table. Operation above this limit risks permanent degradation of h_FE, V_CEsat, and leakage parameters. Thermal design must ensure T_j remains ≤150 °C under worst-case ambient and power dissipation conditions.

Can PBSS4041PX be used in high-frequency PWM applications?

Yes-its 760 ns typical turn-off time (t_off) and 103 MHz transition frequency (f_T) support PWM operation up to ~1 MHz. However, switching losses increase above 200 kHz due to finite rise/fall times; gate/base drive strength and PCB layout must minimize inductance to preserve timing integrity.

Is PBSS4041PX pin-compatible with its NPN complement PBSS4041NX?

No-PBSS4041PX (PNP) and PBSS4041NX (NPN) share identical SOT89 pinout (E-C-B), but their polarity and biasing requirements differ fundamentally. Swapping them without circuit revision will prevent proper switching and may cause latch-up or damage due to reversed voltage polarities.

How does PCB layout affect the thermal performance of PBSS4041PX?

Thermal resistance from junction to ambient (R_th(j-a)) varies from 50 K/W (ceramic PCB) to 208 K/W (standard FR4), directly impacting maximum sustainable power. Using ≥6 cm² copper pour on collector pad, 4-layer boards, or thermal vias reduces R_th(j-a) by up to 60 %, enabling higher continuous current without heatsinks.

PBSS4041PX,115 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: TO-243AA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 5 A

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

Vce Saturation (Max) @ Ib, Ic:: 300mV @ 500mA, 5A

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 150 @ 2A, 2V

Power - Max:: 2.5 W

Frequency - Transition:: 110MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89

PBSS4041PX,115 FAQ

1.How can I place an order for PBSS4041PX,115 through Aetrix?

Please submit a Request for Quotation (RFQ) for PBSS4041PX,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 PBSS4041PX,115 reliable?

The price and inventory of PBSS4041PX,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4041PX,115 is usually 5 days.

3.What payment methods are accepted for PBSS4041PX,115?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4041PX,115 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBSS4041PX,115?

PBSS4041PX,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBSS4041PX,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 PBSS4041PX,115?

For technical support, including PBSS4041PX,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4041PX,115 requirements.

6.How does Aetrix verify that PBSS4041PX,115 is sourced from the original manufacturer or authorized distributors?

All PBSS4041PX,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 PBSS4041PX,115 meets industry standards.

7.What is the process for return or replacement of PBSS4041PX,115?

All PBSS4041PX,115 units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4041PX,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 PBSS4041PX,115 part is unused and in its original packaging.

Return procedure for PBSS4041PX,115:

1.Submit a request within 90 days.

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

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