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

Diodes Incorporated ZXTP25020DFHTA

Name: ZXTP25020DFHTA
Brand: Diodes Incorporated
SKU: ZXTP25020DFHTA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXTP25020DFHTA

Manufacturer:: Diodes Incorporated

Category:: Single Bipolar Transistors

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

Datasheet:: ZXTP25020DFHTA.pdf

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

Quantity:: RFQ Add To RFQ list

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Product details

Overview

ZXTP25020DFHTA 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, -60mV V_CE(sat) at -1A, and 39mΩ typical R_CE(sat), enabling efficient high-side driver and MOSFET gate drive applications in DC-DC converters and motor drives.

For engineers reviewing the ZXTP25020DFHTA datasheet, ZXTP25020DFHTA pinout, ZXTP25020DFHTA application, or ZXTP25020DFHTA equivalent, key selection criteria include verified -20V V_CEO, -4A I_C, thermal resistance of 100°C/W on 50mm×50mm 2oz FR4, JEDEC-compliant ESD HBM rating of 4kV, and complementary pairing with ZXTN25020DFH.

Technical Context

This PNP bipolar junction transistor operates in linear and saturated switching modes with guaranteed -20V forward blocking (V_CEO) and -4V reverse blocking (V_ECO). Its high h_FE (300–900 at -10mA) supports low-base-drive designs, while f_T = 290MHz enables fast switching transitions.

The device uses a thermally optimized SOT23 package with R_θJC = 33°C/W and R_θJL = 74.95°C/W, supporting 1.25W power dissipation under pulsed conditions. Safe operating area (SOA) is validated up to -10A peak pulse current with defined derating curves across -55°C to +150°C junction temperature range.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	-20V - Ensures reliable forward-blocking capability in high-side switch configurations
I_C (continuous)	-4A - Supports robust load switching in motor drivers and DC-DC output stages
V_CE(sat)	<-60mV @ -1A/ -100mA - Minimizes conduction loss and self-heating during saturation
R_CE(sat)	39mΩ typical - Enables precise current-sense design and low-voltage drop operation
P_D	1.25W - Achievable with 50mm×50mm 2oz copper PCB layout per JEDEC thermal test condition
f_T	290MHz - Supports sub-100ns turn-on/off times for high-frequency PWM control
ESD HBM	4,000V - Provides robust handling margin during board assembly and system integration

Pinout & Package

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

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	E	Current source terminal; connected to higher potential rail in high-side switch topology
2 (Base)	B	Control input; requires ~-400mA drive for full -4A saturation per V_BE(sat) spec
3 (Collector)	C	Current sink terminal; ties to load or switching node; lowest impedance path to ground reference

Key Features

Feature	Design Value
Low saturation voltage	V_CE(sat) < -60mV @ -1A ensures <0.06W conduction loss in 1A load paths
High current capability	-4A continuous I_C supports direct driving of power MOSFET gates without external buffers
Thermal performance	R_θJA = 100°C/W on 50mm×50mm 2oz FR4 enables stable operation at 1.25W without heatsink
Complementary pairing	ZXTN25020DFH NPN counterpart allows matched push-pull output stage design
Automotive-grade readiness	JEDEC-qualified reliability; AEC-Q101 automotive variant available with PPAP support

Applications

MOSFET Gate Driving

DC-DC Converters

Use Scenario: Driving the gate of high-side N-channel MOSFETs in synchronous buck regulators.

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

Use Value: -60mV V_CE(sat) minimizes gate drive voltage loss, preserving effective V_GS margin for MOSFET enhancement.

Use Scenario: Output stage switching in non-isolated boost or SEPIC converters.

IC Role / Device Role / Timing Role: High-current PNP switch controlling energy transfer into output inductor/capacitor network.

Use Value: 39mΩ R_CE(sat) reduces conduction loss by >30% vs. standard PNP transistors at 2–4A loads.

Motor Drives

High-Side Drivers

Use Scenario: Phase-leg upper switch in brushed DC motor H-bridge modules.

IC Role / Device Role / Timing Role: Current-source switch delivering bidirectional current to motor winding during forward commutation.

Use Value: -10A I_CM peak rating handles motor stall currents without secondary breakdown.

Use Scenario: Level-shifting high-side driver for industrial PLC output modules.

IC Role / Device Role / Timing Role: Voltage-controlled current source interfacing microcontroller GPIO to 24V load rails.

Use Value: -20V V_CEO and -4V V_ECO ensure safe operation across 24V industrial supply transients.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP low-saturation transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZXTP2012ZTA	V_CEO = -20V, I_C = -2A, V_CE(sat) = -110mV @ -1A - lower current, higher saturation voltage	Suitable for <2A gate drive or signal-level switching; not recommended for 4A motor phases	Select when thermal budget permits higher V_CE(sat) and cost sensitivity outweighs current density needs.
MMBT2907ALT1G	V_CEO = -60V, I_C = -0.6A, V_CE(sat) = -1.6V @ -0.5A - higher voltage rating but 27× higher saturation loss	Used in general-purpose logic-level inversion; unsuitable for power switching above 0.5A	Choose only for legacy designs requiring -60V blocking where current is ≤0.6A and efficiency is secondary.

Compared with ZXTP25020DFHTA, ZXTP2012ZTA trades 50% current capacity and 83% higher V_CE(sat) for lower unit cost, while MMBT2907ALT1G offers excessive voltage headroom at severe conduction loss penalty-neither matches the 4A/60mV efficiency target of this device.

Availability

ZXTP25020DFHTA is available at Aetrix Electronics and suitable for MOSFET gate driving, DC-DC converters, and motor drives requiring stable component supply with JEDEC-qualified reliability and RoHS/Green compliance.

Supply support for ZXTP25020DFHTA 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 industrial, computing, and automotive markets.

ZXTP25020DFHTA belongs to Diodes' low-saturation bipolar transistor product line, engineered specifically for high-efficiency power switching in space-constrained applications where thermal performance and current density are critical.

FAQ

What is the maximum continuous collector current for ZXTP25020DFHTA?

The ZXTP25020DFHTA supports -4A continuous collector current at T_A = +25°C with appropriate PCB thermal relief (50mm×50mm 2oz copper). Derating applies above +25°C ambient, reaching zero power at +150°C junction temperature per the published derating curve.

Does ZXTP25020DFHTA require a base resistor in gate-driving applications?

Yes - a series base resistor is required to limit base current and ensure proper saturation. For -4A collector drive, the datasheet specifies -400mA base current; using a 12V control rail, a 22Ω ±5% resistor delivers ~-364mA, aligning with V_BE(sat) = -1050mV at that operating point.

Is ZXTP25020DFHTA qualified for automotive use?

The ZXTP25020DFHTA is JEDEC-qualified for high reliability but is not AEC-Q101 certified. Diodes offers an automotive-grade variant (ZXTP25020DFHQA) with PPAP documentation, IATF 16949 manufacturing, and full AEC-Q101 stress testing - consult Diodes' automotive product portal for qualification reports.

How does the SOT23 package affect thermal performance in high-power operation?

The SOT23 package achieves R_θJA = 100°C/W only with optimized 50mm×50mm 2oz copper pad layout. On standard 15mm×15mm 1oz FR4, R_θJA degrades to 171°C/W - limiting usable power to ~0.73W. Thermal vias under the collector pad and solder mask-defined copper are essential for sustained 1.25W operation.

ZXTP25020DFHTA 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:: 180mV @ 400mA, 4A

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 300 @ 10mA, 2V

Power - Max:: 1.25 W

Frequency - Transition:: 290MHz

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

ZXTP25020DFHTA FAQ

1.How can I place an order for ZXTP25020DFHTA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXTP25020DFHTA 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 ZXTP25020DFHTA reliable?

The price and inventory of ZXTP25020DFHTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXTP25020DFHTA is usually 5 days.

3.What payment methods are accepted for ZXTP25020DFHTA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXTP25020DFHTA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXTP25020DFHTA?

ZXTP25020DFHTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXTP25020DFHTA 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 ZXTP25020DFHTA?

For technical support, including ZXTP25020DFHTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXTP25020DFHTA requirements.

6.How does Aetrix verify that ZXTP25020DFHTA is sourced from the original manufacturer or authorized distributors?

All ZXTP25020DFHTA 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 ZXTP25020DFHTA meets industry standards.

7.What is the process for return or replacement of ZXTP25020DFHTA?

All ZXTP25020DFHTA units undergo pre-shipment inspection (PSI). If there is an issue with ZXTP25020DFHTA, 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 ZXTP25020DFHTA part is unused and in its original packaging.

Return procedure for ZXTP25020DFHTA:

1.Submit a request within 90 days.

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

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