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

Nexperia USA Inc. PBHV9040X,115

Name: PBHV9040X,115
Brand: Nexperia USA Inc.
SKU: PBHV9040X,115
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBHV9040X,115

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: PBHV9040X,115.pdf

Description:: TRANS PNP 400V 0.25A SOT-89

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Product details

Overview

PBHV9040X,115 from Nexperia is a PNP high-voltage bipolar junction transistor (BJT) designed for switching in high-voltage DC circuits, featuring −500 V collector-emitter peak voltage (VCESM), −0.25 A continuous collector current (IC), and ultra-low −110 mV typical VCEsat at IC = −100 mA / IB = −20 mA. It operates in electronic ballasts, LED chain drivers, and HID front lighting where high breakdown voltage and low conduction loss are critical.

For engineers reviewing the PBHV9040X,115 datasheet, PBHV9040X,115 pinout, PBHV9040X,115 application, or PBHV9040X,115 equivalent, key selection criteria include verified VCESM ≥ −500 V, guaranteed low VCEsat under high IC/IB ratio, SOT89 thermal performance with 83 K/W Rth(j-sp), and compatibility with FR4 PCB mounting per standard footprint.

Technical Context

This PNP BJT employs epitaxial planar technology optimized for high-voltage switching with controlled minority-carrier lifetime. Its structure delivers stable hFE ≥ 100 at −50 mA and maintains usable gain (hFE ≥ 10) even at −250 mA pulsed, enabling robust drive capability in inductive load switching.

The device exhibits low parasitic capacitances-Cc = 7 pF and Ce = 150 pF-supporting fast switching with ton = 1819 ns and toff = 1800 ns under specified test conditions. Thermal design is anchored to two defined mounting configurations: standard footprint (Rth(j-a) = 240 K/W) and enhanced collector pad (Rth(j-sp) = 20 K/W).

Key Specifications

Parameter	Value and Actual Design Meaning
VCESM	−500 V: Enables safe operation in 400 V DC bus applications with 25% voltage margin against transients.
VCEsat (typ)	−110 mV at IC = −100 mA / IB = −20 mA: Reduces conduction loss to <11 mW, critical for thermally constrained LED/HID drivers.
hFE (min)	100 at VCE = −10 V, IC = −50 mA: Ensures reliable saturation with modest base drive, simplifying gate driver interface.
IC (cont)	−0.25 A: Supports sustained current in fluorescent ballast preheat and LCD backlight boost stages.
Rth(j-sp)	20 K/W with 6 cm² collector pad: Allows 1.5 W power dissipation at Tamb ≤ 25 °C-enabling compact heatsinkless designs.
fT	55 MHz: Supports switching frequencies up to ~5–10 MHz in resonant SMPS topologies without gain roll-off.
Ce	150 pF: Dominates input capacitance; sets Miller-effect-limited turn-on speed in high-side switch configurations.

Pinout & Package

Package: SOT89 (SC-62), surface-mounted plastic package with 3 leads, 1.5 mm pitch, 4.5 mm × 2.5 mm × 1.5 mm body. Collector tab is electrically connected to Pin 2 and serves as primary thermal path.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter (E)	Current sink node; connects to load return or ground reference; polarity defines PNP conduction direction.
2	Collector (C)	Main high-voltage output terminal; bonded to exposed copper pad for thermal and electrical conduction.
3	Base (B)	Control input; requires negative bias relative to emitter to forward-bias BE junction and enable conduction.

Key Features

Feature	Design Value
High-voltage blocking	−500 V VCESM rating enables direct use in 380–400 V rectified AC line applications without series stacking.
Low-saturation voltage	−110 mV typical VCEsat minimizes I²R loss and self-heating during on-state, extending reliability in sealed lamp modules.
High-current gain at high IC	hFE ≥ 10 at −250 mA pulsed ensures stable switching with minimal base drive overhead in transient-heavy HID ignition.
Thermally optimized package	SOT89 collector pad supports 1.5 W dissipation with proper 6 cm² copper area-eliminates need for discrete heatsinks in space-constrained lighting PCBs.
Fast switching	ton = 1819 ns / toff = 1800 ns enables >50 kHz PWM control in LED dimming and resonant SMPS without excessive switching loss.

Applications

Electronic Ballast

LED Chain Driver

Use Scenario: High-frequency (20–60 kHz) resonant inverter driving fluorescent tubes with preheat and run phases.

IC Role / Device Role / Timing Role: Main PNP switch in half-bridge output stage; handles 350–400 V DC link and switches lamp current at zero-voltage transition.

Use Value: −500 V VCESM prevents breakdown during open-circuit lamp faults; −110 mV VCEsat reduces thermal stress during extended preheat cycles.

Use Scenario: Constant-current boost driver powering strings of 10–20 white LEDs from 12–24 V DC input.

IC Role / Device Role / Timing Role: High-side PNP switch controlling inductor current in discontinuous conduction mode (DCM) boost topology.

Use Value: 55 MHz fT ensures clean square-wave switching at 100–500 kHz; 150 pF Ce limits gate-drive energy requirements in microcontroller-driven designs.

LCD Backlighting

HID Front Lighting

Use Scenario: CCFL or edge-lit LED backlight in automotive instrument clusters and industrial HMIs requiring wide temperature operation.

IC Role / Device Role / Timing Role: Series-pass switch regulating high-voltage AC or DC supply to cold-cathode inverters or LED strings.

Use Value: hFE ≥ 100 at −50 mA ensures stable regulation across −40 °C to +105 °C ambient; 150 °C Tj rating supports under-hood proximity.

Use Scenario: Ignition pulse generator and run-mode switch in automotive HID headlamps (D2S/D2R), handling 23 kV ignition spikes and 85 V run voltage.

IC Role / Device Role / Timing Role: Primary switching element in flyback-based igniter circuit; clamps and switches high-voltage pulses with precise timing.

Use Value: −500 V VCESM withstands ignition transients; 715 ns storage time (ts) enables accurate pulse-width control for arc stabilization.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
PHPT60303SQ	−60 V VCEO, −3 A IC, SOT223 package; higher current but lower voltage rating.	Not suitable for >400 V bus applications; limited to low-voltage industrial controls.	Select only if system voltage remains ≤60 V and higher continuous current is required.
BCP56-16	−60 V VCEO, −1 A IC, SOT223; hFE = 100–250 but lacks high-voltage capability.	Cannot replace PBHV9040X,115 in ballast or HID circuits due to insufficient VCEO.	Use only in 24–48 V LED drivers or relay drivers where voltage stress is low.

Compared with PHPT60303SQ and BCP56-16, PBHV9040X,115 uniquely satisfies the intersection of ≥−500 V blocking, low VCEsat, and SOT89 thermal scalability-making it irreplaceable in 400 V-class lighting and power conversion where both voltage margin and efficiency are non-negotiable.

Availability

PBHV9040X,115 is available at Aetrix Electronics and suitable for electronic ballasts, LED chain drivers, and HID front lighting systems requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.

Supply support for PBHV9040X,115 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 specializing in high-performance, high-reliability discrete and logic devices, with leadership in automotive-grade and industrial power semiconductors.

PBHV9040X,115 belongs to Nexperia's high-voltage bipolar transistor product line, engineered specifically for energy-efficient switching in lighting, power supply, and telecom infrastructure where voltage resilience and low conduction loss are essential.

FAQ

What is the maximum allowable junction temperature for PBHV9040X,115?

The absolute maximum junction temperature (Tj) is 150 °C, as defined in the Absolute Maximum Ratings table. Operation beyond this limit causes irreversible degradation of hFE and increased leakage. Derating is required above Tamb = 25 °C per Figure 1: at 75 °C ambient, maximum power dissipation drops to 0.8 W for standard footprint mounting.

Can PBHV9040X,115 be used in automotive applications?

No-PBHV9040X,115 is explicitly marked as non-automotive qualified per Revision History (v.3, 20241008). It lacks AEC-Q101 qualification, automotive-grade screening, and guaranteed performance over −40 °C to +125 °C extended temperature range. Nexperia offers separate −Q qualified alternatives for automotive use.

What is the recommended PCB layout for optimal thermal performance?

For 1.5 W continuous dissipation, mount PBHV9040X,115 on an FR4 PCB with a 6 cm² copper pad connected to Pin 2 (collector), using the footprint in Figure 15 (reflow soldering). Avoid thermal vias under the pad unless filled and capped; ensure ≥0.5 mm solder mask clearance around the collector tab for full thermal contact.

How does base drive affect VCEsat and switching speed?

VCEsat decreases with higher IB/IC ratio: at IC/IB = 5, VCEsat = −110 mV (typ); at IC/IB = 20, it rises to −180 mV (typ). Switching speed improves with stronger base drive-tr falls from 1810 ns (IB = −20 mA) to ~1200 ns (IB = −50 mA)-but excessive IB increases total power loss and may cause secondary breakdown in inductive loads.

PBHV9040X,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):: 250 mA

Voltage - Collector Emitter Breakdown (Max):: 400 V

Vce Saturation (Max) @ Ib, Ic:: 200mV @ 20mA, 100mA

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 80 @ 100mA, 10V

Power - Max:: 1.5 W

Frequency - Transition:: 55MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89

PBHV9040X,115 FAQ

1.How can I place an order for PBHV9040X,115 through Aetrix?

Please submit a Request for Quotation (RFQ) for PBHV9040X,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 PBHV9040X,115 reliable?

The price and inventory of PBHV9040X,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBHV9040X,115 is usually 5 days.

3.What payment methods are accepted for PBHV9040X,115?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBHV9040X,115 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBHV9040X,115?

PBHV9040X,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBHV9040X,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 PBHV9040X,115?

For technical support, including PBHV9040X,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBHV9040X,115 requirements.

6.How does Aetrix verify that PBHV9040X,115 is sourced from the original manufacturer or authorized distributors?

All PBHV9040X,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 PBHV9040X,115 meets industry standards.

7.What is the process for return or replacement of PBHV9040X,115?

All PBHV9040X,115 units undergo pre-shipment inspection (PSI). If there is an issue with PBHV9040X,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 PBHV9040X,115 part is unused and in its original packaging.

Return procedure for PBHV9040X,115:

1.Submit a request within 90 days.

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

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