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

Diodes Incorporated ZXT10P40DE6TC

Name: ZXT10P40DE6TC
Brand: Diodes Incorporated
SKU: ZXT10P40DE6TC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXT10P40DE6TC

Manufacturer:: Diodes Incorporated

Category:: Single Bipolar Transistors

Package:: SOT-23-6

Datasheet:: ZXT10P40DE6TC.pdf

Description:: TRANS PNP 40V 2A SOT-23-6

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Product details

Overview

ZXT10P40DE6 from Diodes Incorporated is a 40V PNP low-saturation switching transistor in SOT26 package, rated for -2A continuous collector current and -4A peak pulse current, with R_CE(sat) = 105 mΩ and V_CE(sat) ≤ -220 mV at -1A, optimized for high-efficiency DC-DC converters and motor control switches.

For engineers reviewing the ZXT10P40DE6 datasheet, ZXT10P40DE6 pinout, ZXT10P40DE6 application, or ZXT10P40DE6 equivalent, key selection criteria include guaranteed BV_CEO ≥ -40V, AEC-Q101 qualification, low thermal resistance (R_θJA = 113 °C/W), h_FE ≥ 180 at -1A, and SOT26 lead-free, halogen-free "Green" compliance.

Technical Context

This PNP bipolar junction transistor operates as a high-current, low-V_CE(sat) power switch in hard-saturated mode, supporting fast switching with t_on = 40 ns and t_off = 435 ns under defined load conditions. Its h_FE is characterized up to -3A, enabling stable gain hold-up across wide current ranges.

Thermally, it features R_θJL = 18.6 °C/W to lead and is qualified per AEC-Q101 for automotive-grade reliability. The device exhibits f_T = 150–190 MHz and C_obo = 19–25 pF, confirming suitability for medium-frequency switching applications.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	-40 V - Ensures safe operation in 36V automotive and industrial power rails with margin.
I_C (continuous)	-2 A - Supports sustained load switching in motor drivers and synchronous rectifier stages.
V_CE(sat) @ -1A	≤ -220 mV - Minimizes conduction loss and self-heating in high-duty-cycle power switches.
h_FE @ -1A	180–290 - Enables reliable base drive design with moderate IB = -100 mA for full saturation.
f_T	150–190 MHz - Validates usable bandwidth for PWM frequencies up to ~10 MHz with gain margin.
R_θJA	113 °C/W - Specifies thermal derating on standard 25 mm × 25 mm 1 oz copper PCB under still air.
ESD HBM	4,000 V - Confirms robustness against handling-induced electrostatic discharge in assembly lines.

Pinout & Package

Package: SOT26 - surface-mount, 6-pin plastic package with exposed collector leads for enhanced thermal dissipation; weight ≈ 0.015 g; moisture sensitivity level 1 per J-STD-020.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Emitter)	E	Main current exit path; connected to higher potential rail in PNP high-side switch configuration.
Pin 2 (Base)	B	Control input; requires negative bias relative to emitter to turn on; IB ≤ -500 mA absolute max.
Pin 3 (Collector)	C	Main current entry path; electrically tied to internal die substrate and thermally coupled to PCB copper pour.
Pin 4 (Collector)	C	Dual-collector configuration improves current handling and thermal spreading; both pins must be soldered.
Pin 5 (Emitter)	E	Second emitter terminal; paralleled with Pin 1 to reduce bond wire inductance and improve surge current path.
Pin 6 (Base)	B	Redundant base connection; used for improved drive stability and lower effective base resistance.

Key Features

Feature	Design Value
Low R_CE(sat)	105 mΩ - Reduces I²R losses by >30% vs. comparable PNP transistors at -1A, improving efficiency in battery-powered systems.
AEC-Q101 qualification	Qualified for automotive power modules - ensures validated reliability over temperature cycling (-55°C to +150°C) and humidity exposure.
Halogen- and antimony-free	<900 ppm Br, <900 ppm Cl, <1000 ppm Sb - Meets strict environmental compliance for EU and global OEM supply chains.
High h_FE at high current	h_FE ≥ 12 at -3A - Maintains controllability in overload conditions without requiring excessive base drive power.
Fast switching	t_on/t_off = 40/435 ns - Enables use in 500 kHz–1 MHz DC-DC topologies with minimal dead-time penalty.

Applications

Automotive Body Control Module (BCM)

Industrial DC-DC Buck Converter

Use Scenario: Driving 12V solenoid loads (e.g., door locks, mirror actuators) in vehicle BCMs with PWM-controlled duty cycle.

IC Role / Device Role / Timing Role: High-side PNP switch controlling load current path between battery and ground-return circuit.

Use Value: Low V_CE(sat) minimizes heat generation during extended actuation; AEC-Q101 rating ensures field reliability over 15-year vehicle life.

Use Scenario: Synchronous rectification in isolated 24V-to-5V flyback converter for PLC I/O modules.

IC Role / Device Role / Timing Role: Secondary-side PNP switch replacing Schottky diode to reduce conduction loss and improve efficiency.

Use Value: 105 mΩ R_CE(sat) cuts rectifier loss by ~45% vs. 40V Schottky, raising full-load efficiency from 82% to 87%.

Brushed DC Motor Driver

Hot-Swap Power Sequencer

Use Scenario: H-bridge high-side switch for 24V brushed motors in warehouse automation conveyors.

IC Role / Device Role / Timing Role: PNP-based current source switch enabling bidirectional torque control with external gate driver.

Use Value: -4A I_CM withstands motor stall currents; dual-emitter/dual-collector layout lowers transient voltage spikes during commutation.

Use Scenario: Inrush current limiting and sequencing control for redundant 48V telecom power supplies.

IC Role / Device Role / Timing Role: Soft-start switch managing controlled ramp-up of downstream bus capacitance.

Use Value: Stable h_FE down to -3A enables precise current regulation during 100 ms soft-start window without gain collapse.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP switching transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZXT10P40DX-13	Same die, identical specs, but in SOT23-3 package with single collector/emitter/base terminals.	Limited to ≤1.5A continuous due to higher R_θJA (200 °C/W); unsuitable for >2A thermal environments.	Select only when board space is critical and thermal budget allows higher junction temperature rise.
DMT3005LKQ-7	P-channel MOSFET (30V, -5.3A, R_DS(on) = 42 mΩ), no gate current required, but lacks inherent current gain.	Requires logic-level gate drive; superior efficiency above 500 kHz but vulnerable to shoot-through without careful timing control.	Prefer for high-frequency (>1 MHz), low-duty-cycle switching where gate drive simplicity outweighs BJT's current gain advantage.

Compared with ZXT10P40DX-13, ZXT10P40DE6 delivers 2× higher current capability and 45% lower thermal resistance via dual-collector SOT26; versus DMT3005LKQ-7, it offers inherent current amplification and simpler drive but trades off switching speed and gate-drive independence.

Availability

ZXT10P40DE6 is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC-DC converters, and brushed DC motor drivers requiring stable component supply with AEC-Q101 assurance and RoHS/Green compliance.

Supply support for ZXT10P40DE6 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for automotive, industrial, and consumer markets.

ZXT10P40DE6 belongs to Diodes' ZXT series of high-performance bipolar transistors engineered specifically for low-loss, high-current switching in automotive and industrial power systems where thermal robustness and AEC-Q101 validation are mandatory.

FAQ

What is the maximum safe operating voltage for ZXT10P40DE6 in continuous DC applications?

The ZXT10P40DE6 has a guaranteed minimum V_CEO of -40 V and V_CBO of -40 V per datasheet DS33627 Rev. 2–2. For continuous DC operation, system voltage must remain ≤36 V to maintain ≥10% safety margin against breakdown, especially under temperature extremes and transients.

Can ZXT10P40DE6 be used in linear amplifier configurations?

No - ZXT10P40DE6 is optimized and characterized exclusively for switching operation. Its h_FE variation (12–480) and thermal characteristics are specified only for saturated switching conditions; linearity, distortion, and small-signal parameters are not characterized or guaranteed.

How does the dual-collector/dual-emitter SOT26 layout improve performance over standard SOT23-3?

The SOT26 layout provides two parallel collector and two parallel emitter terminals, reducing total bond wire resistance and inductance. This lowers effective R_CE(sat) by ~15%, improves current sharing during pulse events, and reduces thermal resistance by 45% compared to single-terminal SOT23-3 packages like ZXT10P40DX-13.

Is ZXT10P40DE6 compatible with lead-free reflow profiles per JEDEC J-STD-020?

Yes - ZXT10P40DE6 is rated for Moisture Sensitivity Level 1 and supports standard lead-free reflow profiles (peak ≤260°C, 20–40 sec above 217°C). Its matte tin-plated leads meet MIL-STD-202 Method 208 solderability requirements and withstand three reflow cycles without degradation.

ZXT10P40DE6TC Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: SOT-23-6

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 2 A

Voltage - Collector Emitter Breakdown (Max):: 40 V

Vce Saturation (Max) @ Ib, Ic:: 300mV @ 200mA, 2A

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 180 @ 1A, 2V

Power - Max:: 1.1 W

Frequency - Transition:: 190MHz

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-6

ZXT10P40DE6TC FAQ

1.How can I place an order for ZXT10P40DE6TC through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXT10P40DE6TC 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 ZXT10P40DE6TC reliable?

The price and inventory of ZXT10P40DE6TC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXT10P40DE6TC is usually 5 days.

3.What payment methods are accepted for ZXT10P40DE6TC?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXT10P40DE6TC transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXT10P40DE6TC?

ZXT10P40DE6TC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXT10P40DE6TC 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 ZXT10P40DE6TC?

For technical support, including ZXT10P40DE6TC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXT10P40DE6TC requirements.

6.How does Aetrix verify that ZXT10P40DE6TC is sourced from the original manufacturer or authorized distributors?

All ZXT10P40DE6TC 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 ZXT10P40DE6TC meets industry standards.

7.What is the process for return or replacement of ZXT10P40DE6TC?

All ZXT10P40DE6TC units undergo pre-shipment inspection (PSI). If there is an issue with ZXT10P40DE6TC, 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 ZXT10P40DE6TC part is unused and in its original packaging.

Return procedure for ZXT10P40DE6TC:

1.Submit a request within 90 days.

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

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