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

Nexperia USA Inc. PZT2907A/ZLF

Name: PZT2907A/ZLF
Brand: Nexperia USA Inc.
SKU: PZT2907A/ZLF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PZT2907A/ZLF

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-261-4, TO-261AA

Datasheet:: PZT2907A/ZLF.pdf

Description:: TRANS PNP 60V 0.6A SOT-223

Quantity:: RFQ Add To RFQ list

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Inventory:4,475

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Product details

Overview

PZT2907A/ZLF from Nexperia is a PNP bipolar junction transistor (BJT) designed for medium-power switching and linear amplification in industrial and consumer power control circuits. It delivers −600 mA DC collector current, −60 V collector-emitter breakdown voltage, and 100–300 DC current gain (h_FE) at −150 mA, housed in a thermally enhanced SOT223 surface-mount package with dual collector terminals for improved heat dissipation.

For engineers reviewing the PZT2907A/ZLF datasheet, PZT2907A/ZLF pinout, PZT2907A/ZLF application, or PZT2907A/ZLF equivalent, key selection criteria include its −1.6 V V_CE(sat) at −500 mA, 200 MHz transition frequency, and thermal resistance of 106 K/W (junction-to-ambient), critical for high-duty-cycle switching in DC-DC converters and relay drivers.

Technical Context

This PNP BJT operates with emitter-grounded configuration and supports both active-region amplification and saturated-switching modes. Its dual-collector (pins 2 & 4) SOT223 layout enables low-impedance thermal path to PCB copper, while the −5 V V_EB0 rating limits base drive headroom in high-side switch topologies.

Switching performance is characterized by 300 ns storage time and 365 ns turn-off time under −150 mA/−15 mA drive conditions, indicating moderate-speed capability suitable for <100 kHz PWM control. The 8 pF collector capacitance and 30 pF emitter capacitance reflect optimized junction sizing for balance between speed and ruggedness.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−60 V: Maximum sustainable collector-emitter voltage before avalanche breakdown in open-base configuration.
I_C (DC)	−600 mA: Continuous collector current limit defining safe operating area for steady-state power switching.
h_FE	100–300 at −150 mA: Current gain range enabling predictable base drive design for saturation in switching applications.
V_CE(sat)	−1.6 V at −500 mA/−50 mA: Saturation voltage determining conduction loss and thermal load in on-state operation.
f_T	200 MHz: Transition frequency indicating usable bandwidth for small-signal amplification up to ~20 MHz.
R_{th j-a}	106 K/W: Junction-to-ambient thermal resistance on standard 1 cm² copper pad, defining max power dissipation at given ambient temperature.
t_off	365 ns: Total turn-off delay + storage + fall time, setting minimum achievable PWM off-time in digital control loops.

Pinout & Package

The PZT2907A/ZLF is packaged in SOT223 (SC-73), a 4-lead surface-mount plastic package with an exposed collector pad for enhanced thermal transfer. Pin 1 is base, pins 2 and 4 are internally connected collectors, and pin 3 is emitter.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal requiring negative current injection to forward-bias base-emitter junction for PNP conduction.
2 & 4	Collector	Dual collector terminals electrically tied internally; both must be soldered to large copper pour for optimal thermal performance.
3	Emiter	Current output terminal; common reference point in emitter-follower or high-side switch configurations.

Key Features

Feature	Design Value
High-current capability	−600 mA DC rating enables direct driving of solenoids, relays, and LED arrays without external buffering.
Thermally optimized package	SOT223 with dual collector leads and exposed pad reduces thermal resistance by >30% vs. standard SOT23 for same power level.
Low saturation voltage	−400 mV at −150 mA/−15 mA minimizes conduction loss and self-heating in battery-powered switching loads.
Robust switching timing	300 ns storage time ensures reliable turn-off even under overdriven base conditions common in discrete logic interfacing.

Applications

Automotive Lighting Control

Industrial PLC Output Stage

Use Scenario: Driving 12 V incandescent or high-brightness LED lamps in vehicle interior lighting modules.

IC Role / Device Role / Timing Role: High-side PNP switch controlling lamp current path from battery rail to ground.

Use Value: −60 V V_CEO withstands automotive load-dump transients; −1.6 V V_CE(sat) limits power loss at 500 mA lamp current.

Use Scenario: Solid-state replacement for electromechanical relay outputs in programmable logic controller (PLC) digital output cards.

IC Role / Device Role / Timing Role: Medium-power interface transistor isolating microcontroller GPIO from 24 V industrial field loads.

Use Value: Dual collector terminals ensure stable thermal performance during continuous 400 mA load switching at 10 Hz duty cycle.

DC-DC Converter Bias Supply

Consumer Appliance Motor Driver

Use Scenario: Providing regulated auxiliary bias voltage for gate drivers or error amplifiers in isolated flyback converters.

IC Role / Device Role / Timing Role: Linear pass transistor in shunt-regulated or series-pass configuration.

Use Value: 100–300 h_FE enables precise current mirror design; 150 °C T_j rating supports operation near transformer hot spots.

Use Scenario: Controlling brushed DC motors in home appliances such as washing machine drain pumps and HVAC blowers.

IC Role / Device Role / Timing Role: Low-frequency PWM switch modulating motor voltage via emitter-follower configuration.

Use Value: 365 ns t_off supports 2 kHz PWM carrier frequency with minimal dead-time distortion and audible noise.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MMBT2907A	SOT23 package; lower I_C (−600 mA peak only); R_{th j-a} = 300 K/W; no dual collector.	Not suitable for >200 mA continuous power dissipation due to thermal limitation.	Select when board space is constrained and power <150 mW; avoid for sustained >300 mA loads.
ZTX951	SOT89 package; higher V_CEO (−100 V); h_FE = 100–800; R_{th j-a} = 60 K/W.	Better suited for high-voltage industrial controls but requires larger footprint than SOT223.	Select when system must survive >80 V transients or require >500 mW continuous dissipation.

Compared with MMBT2907A and ZTX951, the PZT2907A/ZLF uniquely balances SOT223 thermal performance, −60 V ruggedness, and −600 mA DC current in a cost-effective industrial-grade package-making it optimal for mid-power switching where thermal margin and footprint co-constrain design.

Availability

PZT2907A/ZLF is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, and DC-DC converter bias supplies requiring stable component supply across multi-year production cycles.

Supply support for PZT2907A/ZLF 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 leader in discrete semiconductors, formed in 2017 from the former NXP Standard Products division, specializing in high-volume, high-reliability components for automotive and industrial markets.

The PZT2907A/ZLF belongs to Nexperia's legacy bipolar transistor portfolio, engineered specifically for robust, thermally efficient medium-power switching in cost-sensitive industrial and consumer power systems.

FAQ

What is the maximum continuous collector current for PZT2907A/ZLF?

The maximum continuous DC collector current is −600 mA at T_amb ≤ 25 °C with proper PCB thermal management. Derating is required above 25 °C ambient per the 106 K/W thermal resistance; at 70 °C ambient, maximum safe I_C drops to approximately −420 mA to maintain T_j ≤ 150 °C.

Can PZT2907A/ZLF be used as a direct replacement for PZT2222A?

No - PZT2222A is an NPN transistor with complementary polarity, different pinout (base/emitter/collector order), and distinct biasing requirements. While they share the same SOT223 package and serve similar power ranges, substituting one for the other requires circuit-level redesign including inversion of drive signals and repositioning of load connections.

What is the significance of dual collector terminals (pins 2 and 4) in SOT223?

Pins 2 and 4 are internally shorted collector terminals, not independent leads. Their dual layout provides redundant solder joints and increased copper connection area to the PCB's thermal pad, reducing thermal resistance by up to 25% compared to single-terminal variants and improving long-term reliability under cyclic thermal stress.

Does PZT2907A/ZLF support pulse operation beyond its DC ratings?

Yes - it supports peak collector current up to −800 mA (I_CM) and peak base current up to −200 mA (I_BM) under pulsed conditions (t_p ≤ 300 µs, duty cycle ≤ 2%). This enables short-duration surge handling in motor startup or inductive load switching, provided average power remains within the 1.15 W P_tot limit at the operating ambient temperature.

PZT2907A/ZLF Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: TO-261-4, TO-261AA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 600 mA

Voltage - Collector Emitter Breakdown (Max):: 60 V

Vce Saturation (Max) @ Ib, Ic:: 1.6V @ 50mA, 500mA

Current - Collector Cutoff (Max):: 10nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 150mA, 10V

Power - Max:: 1.15 W

Frequency - Transition:: 200MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

PZT2907A/ZLF FAQ

1.How can I place an order for PZT2907A/ZLF through Aetrix?

Please submit a Request for Quotation (RFQ) for PZT2907A/ZLF 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 PZT2907A/ZLF reliable?

The price and inventory of PZT2907A/ZLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PZT2907A/ZLF is usually 5 days.

3.What payment methods are accepted for PZT2907A/ZLF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PZT2907A/ZLF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PZT2907A/ZLF?

PZT2907A/ZLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PZT2907A/ZLF 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 PZT2907A/ZLF?

For technical support, including PZT2907A/ZLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PZT2907A/ZLF requirements.

6.How does Aetrix verify that PZT2907A/ZLF is sourced from the original manufacturer or authorized distributors?

All PZT2907A/ZLF 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 PZT2907A/ZLF meets industry standards.

7.What is the process for return or replacement of PZT2907A/ZLF?

All PZT2907A/ZLF units undergo pre-shipment inspection (PSI). If there is an issue with PZT2907A/ZLF, 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 PZT2907A/ZLF part is unused and in its original packaging.

Return procedure for PZT2907A/ZLF:

1.Submit a request within 90 days.

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

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