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

Nexperia USA Inc. BCP53F

Name: BCP53F
Brand: Nexperia USA Inc.
SKU: BCP53F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP53F

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP53F.pdf

Description:: TRANS PNP 80V 1A SOT-223

Quantity:: RFQ Add To RFQ list

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Inventory:4,000

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Product details

Overview

BCP53 from Nexperia is a PNP medium-power bipolar junction transistor in SOT223 (SC-73) package, rated for −80 V V_CEO, −1 A continuous collector current, and 1.35 W power dissipation with 6 cm² copper pad. It delivers h_FE = 63–250 at I_C = −150 mA and is used in high-side switching, linear voltage regulation, and MOSFET driver stages.

For engineers reviewing the BCP53 datasheet, BCP53 pinout, BCP53 application, or BCP53 equivalent, this page provides verified electrical parameters, thermal derating curves, pin-function mapping, real-world use cases in power management, and validated alternative transistors with documented gain and voltage differences.

Technical Context

The BCP53 operates as a general-purpose PNP amplifier/switch with DC current gain specified across three variants (BCP53, BCP53-10, BCP53-16), enabling precise biasing control in analog and power circuits. Its −80 V V_CEO and −100 V V_CBO support robust operation in industrial supply rails and battery-backed systems up to 48 V.

Thermal performance is defined by R_th(j-a) = 93 K/W (6 cm² pad), allowing sustained 1 A conduction under controlled PCB layout. The f_T = 145 MHz and C_c = 15 pF confirm suitability for low-to-moderate frequency switching and analog amplification up to ~10 MHz.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−80 V - Maximum safe collector-emitter reverse voltage before breakdown; enables use in 48 V automotive and industrial bus applications.
I_C (continuous)	−1 A - Continuous DC collector current rating; supports medium-power load switching without forced cooling.
h_FE	63–250 - DC current gain range at V_CE = −2 V, I_C = −150 mA; allows predictable base drive sizing for stable saturation.
P_tot	1.35 W - Max power dissipation with 6 cm² copper pad; defines thermal design margin for linear regulator pass devices.
f_T	145 MHz - Transition frequency at V_CE = −5 V, I_C = −50 mA; confirms usable bandwidth for audio and switching control loops.
V_CE(sat)	−0.5 V @ I_C = −500 mA, I_B = −50 mA - Low saturation voltage reduces conduction loss in high-side switch configurations.
R_th(j-a)	93 K/W - Junction-to-ambient thermal resistance with optimized 6 cm² copper pad; informs heatsink-free PCB thermal layout.

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with 4 leads, 2.3 mm pitch, and integrated heatsink tab (lead 4 is collector, electrically tied to lead 2). Dimensions: 6.5 mm × 3.5 mm × 1.65 mm body; mounting pad required for thermal performance.

Pin/Terminal	Circuit Role	Design Meaning
1	Base (B)	Control input for forward-biased PNP operation; requires negative base current relative to emitter to turn on.
2	Collector (C)	Main current sink terminal; connected internally to heatsink tab (pin 4) for enhanced thermal transfer.
3	Emitter (E)	Reference terminal and current source node; typically tied to higher potential (e.g., V_IN) in high-side switch topology.
4	Collector (C)	Second collector connection, bonded directly to internal die heatsink; must be soldered to large copper area for rated P_tot.

Key Features

Feature	Design Value
Three h_FE selections	BCP53 (63–250), BCP53-10 (63–160), BCP53-16 (100–250) - Enables precise gain matching across production batches and circuit sensitivity requirements.
High power dissipation	1.35 W with 6 cm² copper pad - Eliminates need for external heatsinks in space-constrained linear regulators and battery chargers.
Low V_CE(sat)	−0.5 V @ I_C/I_B = 10 - Reduces conduction loss by >30% vs. standard PNP transistors in high-current switching paths.
Robust voltage ratings	V_CBO = −100 V, V_CEO = −80 V - Supports operation across 24–48 V nominal systems with margin for transients and ripple.

Applications

Linear Voltage Regulators

High-Side Switches

Use Scenario: Pass transistor in adjustable LDOs delivering up to 1 A at 3.3 V–12 V output from unregulated 12–48 V input.

IC Role / Device Role / Timing Role: PNP pass element controlling output voltage via feedback loop; operates in linear region with constant V_CE < 5 V.

Use Value: 1.35 W P_tot and 93 K/W R_th(j-a) enable full-load operation without heatsink on standard FR4 PCB.

Use Scenario: High-side load switch controlling 12 V/500 mA solenoids, relays, or LED banks in industrial PLC I/O modules.

IC Role / Device Role / Timing Role: PNP switch driven by microcontroller GPIO through base resistor; emitter tied to 12 V rail, collector to load.

Use Value: −0.5 V V_CE(sat) limits power loss to ≤250 mW at 500 mA, reducing thermal stress and improving efficiency.

Battery-Driven Devices

MOSFET Drivers

Use Scenario: Reverse-polarity protection and load disconnect in portable medical monitors powered by 2-cell Li-ion (6–8.4 V).

IC Role / Device Role / Timing Role: PNP configured as ideal diode controller or series pass switch; blocks reverse current and enables soft-start sequencing.

Use Value: −5 V V_EBO and −100 nA I_EBO ensure minimal leakage during battery storage and reliable turn-off at low V_IN.

Use Scenario: Level-shifting gate driver for N-channel high-side MOSFETs in half-bridge motor controllers operating from 24 V bus.

IC Role / Device Role / Timing Role: PNP pull-up stage sourcing gate charge into MOSFET gate; complements NPN low-side driver in totem-pole configuration.

Use Value: 145 MHz f_T and 15 pF C_c support clean 100 ns–1 µs switching transitions without ringing or shoot-through risk.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP medium-power transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BCP56-10	V_CEO = −60 V, h_FE = 63–160, P_tot = 1.5 W (same SOT223)	Lower voltage rating limits use in >48 V systems; higher P_tot suits higher ambient temp environments.	Select when V_IN ≤ 36 V and thermal margin >1.35 W is needed; verify gain stability at I_C > 500 mA.
MMBT5401	V_CEO = −60 V, h_FE = 60–250, P_tot = 0.35 W (SOT23)	Lower power rating and smaller package restrict use to <200 mA loads; no integrated heatsink tab.	Choose only for low-current signal switching or bias networks where board space is critical and thermal load is minimal.

Compared with BCP53, BCP56-10 offers higher power handling but reduced voltage margin, while MMBT5401 trades off thermal capability and current capacity for footprint reduction-neither matches BCP53's combination of −80 V rating, 1 A current, and 1.35 W dissipation in SOT223.

Availability

BCP53 is available at Aetrix Electronics and suitable for linear voltage regulators, high-side switches, and MOSFET drivers requiring stable component supply in industrial automation, battery-powered instrumentation, and embedded power management systems.

Supply support for BCP53 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 focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified and industrial-grade components.

The BCP53 belongs to Nexperia's medium-power bipolar transistor family designed specifically for robust, thermally efficient switching and linear regulation in non-automotive industrial and consumer power systems.

FAQ

What is the maximum continuous collector current for BCP53 at 75 °C ambient?

At T_amb = 75 °C, the maximum continuous collector current is derated to approximately −750 mA based on the 1.35 W P_tot rating and R_th(j-a) = 93 K/W curve. This ensures junction temperature remains below 150 °C with proper PCB copper area.

Can BCP53 replace BC807 in a high-side switch application?

No-BC807 is an SOT323 device rated for only −45 V V_CEO and 0.5 A I_C. BCP53 offers −80 V and −1 A ratings plus 3× higher power dissipation, making it unsuitable as a direct drop-in replacement without verifying layout, thermal path, and drive strength compatibility.

Is BCP53 qualified for automotive applications?

No-per Nexperia's revision history (v.11, Sept 2025), BCP53 is explicitly marked as non-automotive qualified. Automotive alternatives include the BCP53-Q series, which undergo AEC-Q101 qualification and extended temperature testing.

How does the dual-collector pin (pins 2 and 4) affect PCB layout?

Pins 2 and 4 are internally connected to the same collector node and heatsink tab. Both must be soldered to a shared, low-thermal-resistance copper pour (≥6 cm²) to achieve the 1.35 W rating. Splitting them across separate traces degrades thermal performance and risks premature thermal shutdown.

BCP53F Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 1 A

Voltage - Collector Emitter Breakdown (Max):: 80 V

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

Current - Collector Cutoff (Max):: 100nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 150mA, 2V

Power - Max:: -

Frequency - Transition:: 145MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP53F FAQ

1.How can I place an order for BCP53F through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP53F 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 BCP53F reliable?

The price and inventory of BCP53F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53F is usually 5 days.

3.What payment methods are accepted for BCP53F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP53F?

BCP53F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP53F 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 BCP53F?

For technical support, including BCP53F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53F requirements.

6.How does Aetrix verify that BCP53F is sourced from the original manufacturer or authorized distributors?

All BCP53F 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 BCP53F meets industry standards.

7.What is the process for return or replacement of BCP53F?

All BCP53F units undergo pre-shipment inspection (PSI). If there is an issue with BCP53F, 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 BCP53F part is unused and in its original packaging.

Return procedure for BCP53F:

1.Submit a request within 90 days.

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

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