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

Nexperia USA Inc. PBHV8115X-QX

Name: PBHV8115X-QX
Brand: Nexperia USA Inc.
SKU: PBHV8115X-QX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBHV8115X-QX

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: PBHV8115X-QX.pdf

Description:: TRANS NPN 150V 1A SOT-89

Quantity:: RFQ Add To RFQ list

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Inventory:1,000

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Product details

Overview

PBHV8115X-QX from Nexperia is an AEC-Q101-qualified NPN high-voltage bipolar transistor in SOT89 package, designed for automotive switching applications requiring 150 V V_CEO, 1 A continuous collector current, and low 225–350 mV V_CEsat at I_C = 1 A / I_B = 0.2 A. It serves as a high-efficiency switch in LED chain drivers, HID front lighting, and automotive motor management circuits.

For engineers reviewing the PBHV8115X-QX datasheet, PBHV8115X-QX pinout, PBHV8115X-QX application, or PBHV8115X-QX equivalent, this device offers verified high-voltage switching capability with automotive-grade reliability, thermal performance up to 150 °C junction temperature, and validated low-saturation behavior under pulsed 1 A load conditions.

Technical Context

This NPN transistor operates with open-base V_CEO = 150 V and V_CBO = 400 V, enabling robust isolation in high-side switching topologies. Its DC current gain (h_FE) ranges from 10–30 at I_C = 1 A and 100–250 at I_C = 50 mA, supporting both high-current saturation and precision biasing.

Switching performance includes t_on = 572 ns, t_off = 2230 ns, and f_T = 30 MHz, confirming suitability for medium-frequency SMPS and fast-response automotive loads. Thermal resistance R_th(j-sp) = 20 K/W (with 6 cm² collector pad) enables stable operation under sustained 1.5 W power dissipation at T_amb ≤ 25 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	150 V - Maximum safe collector-emitter voltage with base open; supports 120 V rail designs with 25 % margin.
I_C	1 A continuous - Rated collector current enabling direct drive of 10–15 W LED chains or small solenoids.
V_CEsat	225–350 mV @ I_C=1 A, I_B=0.2 A - Low conduction loss reduces heat generation in thermally constrained automotive modules.
h_FE	10–30 @ I_C=1 A - Ensures predictable base drive requirements for reliable saturation under full load.
R_th(j-sp)	20 K/W - Junction-to-solder-point thermal resistance with optimized 6 cm² copper pad; enables PCB-level thermal management without heatsinks.
t_off	2230 ns - Turn-off time measured at V_CC=6 V, I_C=0.5 A, defining maximum usable PWM frequency in SMPS control loops.
AEC-Q101	Qualified - Certified for automotive discrete semiconductor stress testing including HTGB, HTRB, and ESD-HBM ≥ 2 kV.

Pinout & Package

SOT89 (SC-62) plastic surface-mounted package: 3-lead, 1.5 mm pitch, 4.5 mm × 2.5 mm × 1.5 mm body; collector tab forms exposed thermal pad on lead 2.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter	Low-impedance return path; connects directly to ground plane or low-side current sense resistor.
2	Collector	Main power output terminal; electrically and thermally coupled to PCB copper pour for heat dissipation.
3	Base	Control input; requires 200 mA peak drive for guaranteed saturation at 1 A load; sensitive to ESD.

Key Features

Feature	Design Value
High-voltage blocking	V_CBO = 400 V enables use in flyback snubber networks and 200 V transient-tolerant industrial interfaces.
Low V_CEsat at full current	350 mV max at 1 A ensures <1.5 W conduction loss, reducing thermal derating in sealed headlamp assemblies.
Automotive qualification	AEC-Q101 compliance confirms reliability across -55 °C to +150 °C ambient, including temperature cycling and mechanical shock.
Medium-power SMD form factor	SOT89 footprint allows manual rework and automated placement while delivering >1.5× the power density of SOT23 alternatives.
High h_FE at mid-current	h_FE = 100–250 @ 50 mA supports low-power bias networks in always-on vehicle modules without active pre-driver stages.

Applications

LED Chain Driver

LCD Backlighting

Use Scenario: Driving 3–5 series-connected white LEDs from 12 V or 24 V automotive battery rails with PWM dimming.

IC Role / Device Role / Timing Role: High-side constant-current switch controlling LED string current via emitter-follower or common-emitter configuration.

Use Value: 225–350 mV V_CEsat minimizes power loss in compact lamp housings where thermal dissipation is limited to PCB copper area.

Use Scenario: Providing regulated current to CCFL or edge-lit LED arrays in instrument cluster and infotainment displays.

IC Role / Device Role / Timing Role: Linear or PWM-controlled current sink in boost-derived backlight power stage.

Use Value: 150 V V_CEO withstands inductive kickback from boost inductors during fault conditions, improving system robustness.

HID Front Lighting

Automotive Motor Management

Use Scenario: Ignition pulse switching and steady-state current control in xenon HID ballasts for adaptive front-lighting systems.

IC Role / Device Role / Timing Role: Primary switching element in half-bridge or flyback topology managing 85–100 V ignition pulses and 40–60 V run-phase loads.

Use Value: 400 V V_CBO rating prevents breakdown during 2× overvoltage transients common in 12 V vehicle electrical systems.

Use Scenario: Controlling fuel pump, radiator fan, or window lift motors in body control modules with PWM speed regulation.

IC Role / Device Role / Timing Role: Low-side or high-side power switch interfacing microcontroller GPIOs to inductive motor windings.

Use Value: AEC-Q101 qualification ensures functional integrity over 15-year vehicle lifetime, including vibration, humidity, and thermal cycling stress.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage NPN switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor NSS12201LT1G	V_CEO = 100 V, I_C = 1.2 A, V_CEsat = 250 mV @ 1 A - lower voltage rating, higher current, same SOT-23 package.	Not suitable for 120+ V HID or SMPS primary-side switching; limited to 24 V motor control or low-voltage LED drivers.	Select when board space is critical and voltage stress remains below 80 V; verify thermal performance with R_th(j-a) = 300 K/W.
Diodes Incorporated DXT121150Q-13	V_CEO = 150 V, I_C = 1 A, V_CEsat = 400 mV @ 1 A - identical voltage/current but higher saturation voltage and SOT89-3L package.	Higher conduction loss increases thermal load in sealed enclosures; same footprint but different marking and test flow.	Acceptable for cost-sensitive non-automotive designs where 150 mV higher V_CEsat is tolerable and AEC-Q101 is not required.

Compared with NSS12201LT1G and DXT121150Q-13, PBHV8115X-QX uniquely balances 150 V blocking, sub-350 mV saturation, and AEC-Q101 compliance in SOT89 - making it the only choice for thermally constrained, safety-critical automotive lighting and motor control where voltage margin and long-term reliability are non-negotiable.

Availability

PBHV8115X-QX is available at Aetrix Electronics and suitable for automotive LED driver modules, HID lighting systems, and body control unit motor drivers requiring stable component supply across extended production lifecycles.

Supply support for PBHV8115X-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 high-volume, high-reliability essential semiconductors - including logic, discretes, MOSFETs, and ESD protection devices - with manufacturing rooted in process technology leadership and automotive-grade quality systems.

PBHV8115X-QX belongs to Nexperia's high-voltage bipolar transistor product line, engineered specifically for automotive lighting, power conversion, and motor control applications demanding AEC-Q101 qualification and robust parametric stability over temperature and lifetime.

FAQ

What is the maximum allowable base current for continuous operation?

The absolute maximum peak base current is 400 mA per datasheet Table 5, but continuous DC base drive must be limited to ≤100 mA to avoid thermal runaway. At I_C = 1 A, recommended I_B = 200 mA is pulsed (tp ≤ 300 µs, duty cycle ≤ 2 %); sustained operation requires derated base current based on R_th(j-sp) and ambient temperature.

Can PBHV8115X-QX replace a MOSFET in 12 V automotive switching applications?

Yes, but with trade-offs: it delivers lower gate-drive complexity and better SOA under short-circuit conditions than small-signal MOSFETs, yet requires ~200 mA base drive versus µA-level gate current. Its 225–350 mV V_CEsat yields comparable conduction loss to a 30 mΩ MOSFET at 1 A, but switching losses are higher due to 2.2 µs t_off.

Is the SOT89 package lead-free and RoHS-compliant?

Yes - PBHV8115X-QX uses lead-free matte tin (Sn) termination on all leads and complies with EU RoHS Directive 2011/65/EU and REACH SVHC regulations. The package material meets UL 94 V-0 flammability rating, and the device is halogen-free per Nexperia standard specifications.

How does thermal performance change when mounted on standard FR4 versus enhanced copper pad?

With standard footprint (no extended collector pad), R_th(j-a) = 240 K/W limits continuous power to ~0.52 W at 25 °C ambient. With 6 cm² collector pad, R_th(j-sp) drops to 20 K/W and total power dissipation rises to 1.5 W - a 2.9× improvement enabling full 1 A operation in thermally managed automotive modules.

PBHV8115X-QX 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):: 1 A

Voltage - Collector Emitter Breakdown (Max):: 150 V

Vce Saturation (Max) @ Ib, Ic:: 350mV @ 200mA, 1A

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 100mA, 10V

Power - Max:: 520 mW

Frequency - Transition:: 30MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89

PBHV8115X-QX FAQ

1.How can I place an order for PBHV8115X-QX through Aetrix?

Please submit a Request for Quotation (RFQ) for PBHV8115X-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 PBHV8115X-QX reliable?

The price and inventory of PBHV8115X-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBHV8115X-QX is usually 5 days.

3.What payment methods are accepted for PBHV8115X-QX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBHV8115X-QX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBHV8115X-QX?

PBHV8115X-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBHV8115X-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 PBHV8115X-QX?

For technical support, including PBHV8115X-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBHV8115X-QX requirements.

6.How does Aetrix verify that PBHV8115X-QX is sourced from the original manufacturer or authorized distributors?

All PBHV8115X-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 PBHV8115X-QX meets industry standards.

7.What is the process for return or replacement of PBHV8115X-QX?

All PBHV8115X-QX units undergo pre-shipment inspection (PSI). If there is an issue with PBHV8115X-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 PBHV8115X-QX part is unused and in its original packaging.

Return procedure for PBHV8115X-QX:

1.Submit a request within 90 days.

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

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