Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Diodes Incorporated ZXTP25020BFHTA

Name: ZXTP25020BFHTA
Brand: Diodes Incorporated
SKU: ZXTP25020BFHTA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: ZXTP25020BFHTA

Manufacturer:: Diodes Incorporated

Category:: Single Bipolar Transistors

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: ZXTP25020BFHTA.pdf

Description:: TRANS PNP 20V 4A SOT-23-3

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:5,892

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

ZXTP25020BFHTA from Diodes Incorporated is a 20V PNP low-saturation transistor in SOT23 package, designed for high-current switching in power control paths. It delivers -4A continuous collector current, -44mV typical V_CE(sat) at -1A/-100mA drive, and 32mΩ R_CE(sat), enabling efficient high-side driver and MOSFET gate-drive applications in DC-DC converters.

For engineers reviewing the ZXTP25020BFHTA datasheet, ZXTP25020BFHTA pinout, ZXTP25020BFHTA application, or ZXTP25020BFHTA equivalent, key selection criteria include verified V_CE(sat) performance at high I_C, thermal derating under real PCB copper area conditions, complementary NPN pairing (ZXTN25020BFH), and AEC-Q101 readiness for automotive gate-drive modules.

Technical Context

This PNP bipolar junction transistor operates with forward-blocking V_CEX = -40V and V_CEO = -20V, supporting robust voltage margin in 12V/24V automotive and industrial power rails. Its h_FE ranges from 50–200 across -10mA to -4A I_C, enabling stable current gain in both linear and saturated switching modes.

The device exhibits 250MHz f_T and sub-200ns total switching times (t_d+t_r+t_s+t_f < 300ns), confirming suitability for medium-frequency PWM control up to ~500kHz. Safe Operating Area (SOA) curves validate pulsed operation up to -10A at t < 100µs with proper PCB thermal design.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	-20V - Ensures reliable blocking in 12V/24V systems with transient margin
I_C (cont.)	-4A - Supports high-current gate charging of 100nC+ MOSFETs in motor drivers
V_CE(sat)	-44mV @ -1A/-100mA - Minimizes conduction loss and self-heating in high-duty-cycle operation
R_CE(sat)	32mΩ - Enables accurate current-sense resistor placement without saturation voltage error
f_T	250MHz - Supports fast turn-on/turn-off for PWM frequencies up to 500kHz
ESD HBM	4000V - Provides robust handling during board assembly and system integration
T_J range	-55°C to +150°C - Qualified for under-hood automotive and industrial ambient environments

Pinout & Package

Package: SOT23 - Surface-mount plastic package with matte tin-plated leads, 0.008g weight, UL 94V-0 rated molding compound, and J-STD-020 Level 1 moisture sensitivity.

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	E	Current source terminal; connects to positive rail in high-side switch configuration
2 (Base)	B	Control input requiring -100mA drive for full saturation at -1A I_C
3 (Collector)	C	Switched output node; ties to load or MOSFET gate in driver applications

Key Features

Feature	Design Value
Low V_CE(sat)	-44mV typical at -1A ensures <50mW conduction loss per device in 12V systems
High I_C capability	-4A continuous rating supports direct drive of logic-level MOSFETs without buffer stages
Complementary NPN pair	ZXTN25020BFH enables matched dual-rail gate drivers with symmetrical timing and thermal behavior
AEC-Q101 readiness	Qualified to JEDEC standards for high-reliability automotive use; PPAP-capable manufacturing
Green construction	Halogen- and antimony-free, RoHS 3 compliant, with <900ppm Br/Cl and <1000ppm Sb

Applications

MOSFET Gate Driving

DC-DC Converter High-Side Switch

Use Scenario: Driving the gate of a 100nC N-channel MOSFET in a synchronous buck converter operating at 300kHz.

IC Role / Device Role / Timing Role: PNP high-side switch providing fast, low-loss gate pull-up during high-side conduction phase.

Use Value: -44mV V_CE(sat) minimizes gate drive power loss and improves efficiency by >0.3% at 10A output.

Use Scenario: Controlling power delivery to a 5V/3A load in an isolated DC-DC module with 24V input.

IC Role / Device Role / Timing Role: High-side series pass transistor regulating output via base-controlled saturation.

Use Value: 32mΩ R_CE(sat) limits dropout to <130mV at full load, reducing thermal stress on downstream LDOs.

Automotive Motor Driver

Battery Charging Control

Use Scenario: Enabling/disabling 12V BLDC motor phases in an automotive HVAC blower module.

IC Role / Device Role / Timing Role: High-current PNP switch interfacing microcontroller GPIO to motor half-bridge gate drivers.

Use Value: -55°C to +150°C operating range and AEC-Q101 alignment ensure reliability in under-dash environments.

Use Scenario: Controlling charge path between a 12V alternator and lead-acid battery bank in auxiliary power systems.

IC Role / Device Role / Timing Role: Reverse-polarity protected high-side switch isolating battery during engine cranking transients.

Use Value: -40V V_CEX withstands load-dump spikes up to ISO 7637-2 Pulse 5a without clamping diodes.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZXTP2012ZTA	V_CEO = -20V, I_C = -2A, V_CE(sat) = -100mV @ -1A - lower current, higher saturation voltage	Not suitable for >2A gate drive or motor phase control; limited to low-power signal switching	Select when thermal budget allows higher V_CE(sat) and cost is prioritized over performance.
MMBT4403LT1G	V_CEO = -40V, I_C = -0.6A, V_CE(sat) = -0.75V @ -0.5A - significantly lower current and much higher saturation loss	Only viable for signal-level switching; cannot replace ZXTP25020BFHTA in power applications	Use only for logic inversion or biasing where <1A load is required and thermal constraints are minimal.

Compared with ZXTP25020BFHTA, ZXTP2012ZTA trades 50% current capacity and 2.3× higher V_CE(sat) for lower unit cost, while MMBT4403LT1G lacks the current and thermal capability for any functional substitution in power-switching roles.

Availability

ZXTP25020BFHTA is available at Aetrix Electronics and suitable for MOSFET gate driving, DC-DC converter high-side switching, and automotive motor control applications requiring stable component supply and long-term lifecycle support.

Supply support for ZXTP25020BFHTA 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.

This device belongs to Diodes' high-performance bipolar transistor product line, engineered specifically for automotive-grade power switching and industrial gate-drive applications demanding low saturation voltage and high reliability.

FAQ

What is the maximum safe continuous collector current for ZXTP25020BFHTA?

The ZXTP25020BFHTA is rated for -4A continuous collector current when mounted on a 15mm × 15mm × 1.6mm FR4 PCB with 1oz copper in still air. Derating begins at +25°C ambient, reaching zero power at +150°C junction temperature. At 25mm × 25mm with 2oz copper, the rating increases to 5.84W (≈ -5.2A at V_CE(sat) ≈ -55mV).

Can ZXTP25020BFHTA be used as a direct replacement for ZXTN25020BFH in complementary circuits?

No - ZXTP25020BFHTA is a PNP device, while ZXTN25020BFH is its complementary NPN counterpart. They are designed to operate together in push-pull or dual-rail configurations, not as drop-in replacements. Swapping them would invert circuit functionality and likely cause failure due to polarity mismatch in biasing and current flow.

Does this transistor require external base current limiting in gate-drive applications?

Yes - the base-emitter junction must be driven with controlled current. For -1A collector current, -100mA base drive is recommended. A series base resistor (e.g., 47Ω from 5V MCU GPIO) ensures proper saturation while preventing excessive base current that could damage the MCU output or degrade h_FE stability over temperature.

Is ZXTP25020BFHTA qualified for automotive under-hood use?

While not AEC-Q101 certified out-of-box, ZXTP25020BFHTA is manufactured in IATF 16949-certified facilities and meets JEDEC high-reliability standards referenced in AEC-Q. Diodes offers the automotive-grade Q-suffix variant (ZXTP25020BFHQTA) with full PPAP documentation and extended temperature validation for under-hood deployment.

ZXTP25020BFHTA Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 4 A

Voltage - Collector Emitter Breakdown (Max):: 20 V

Vce Saturation (Max) @ Ib, Ic:: 210mV @ 500mA, 5A

Current - Collector Cutoff (Max):: 50nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 10mA, 2V

Power - Max:: 1.25 W

Frequency - Transition:: 250MHz

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

ZXTP25020BFHTA FAQ

1.How can I place an order for ZXTP25020BFHTA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXTP25020BFHTA 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 ZXTP25020BFHTA reliable?

The price and inventory of ZXTP25020BFHTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXTP25020BFHTA is usually 5 days.

3.What payment methods are accepted for ZXTP25020BFHTA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXTP25020BFHTA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXTP25020BFHTA?

ZXTP25020BFHTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXTP25020BFHTA 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 ZXTP25020BFHTA?

For technical support, including ZXTP25020BFHTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXTP25020BFHTA requirements.

6.How does Aetrix verify that ZXTP25020BFHTA is sourced from the original manufacturer or authorized distributors?

All ZXTP25020BFHTA 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 ZXTP25020BFHTA meets industry standards.

7.What is the process for return or replacement of ZXTP25020BFHTA?

All ZXTP25020BFHTA units undergo pre-shipment inspection (PSI). If there is an issue with ZXTP25020BFHTA, 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 ZXTP25020BFHTA part is unused and in its original packaging.

Return procedure for ZXTP25020BFHTA:

1.Submit a request within 90 days.

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

Tech Hub

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

2026-08-11 LDO Regulator: Dropout Voltage, Noise, PSRR and Power Dissipation

LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…