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

Nexperia USA Inc. BCP53TF

Name: BCP53TF
Brand: Nexperia USA Inc.
SKU: BCP53TF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP53TF

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP53TF.pdf

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

Quantity:: RFQ Add To RFQ list

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Inventory:25,185

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Product details

Overview

BCP53TF 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 1.3 W power dissipation on 4-layer PCB with 1 cm² collector pad. It delivers h_FE = 63–250 at V_CE = −2 V / I_C = −150 mA and supports high-side switching in automotive-grade linear regulators and MOSFET drivers.

For engineers reviewing the BCP53TF datasheet, BCP53TF pinout, BCP53TF application, or BCP53TF equivalent, this page provides verified electrical parameters, thermal derating curves, AEC-Q101 qualification status, safe operating area (SOA) limits, and real-world use context for power management and amplifier designs.

Technical Context

The BCP53TF operates as a medium-power PNP switch or linear amplifier with open-base V_CEO = −80 V and peak I_CM = −2 A (1 ms pulse). Its DC current gain spans 63–250 depending on variant and bias condition, and it achieves f_T = 100–140 MHz at V_CE = −5 V / I_C = −50 mA.

Thermal performance is defined across five mounting configurations: R_th(j-a) ranges from 70 K/W (4-layer PCB, 1 cm² collector pad) to 209 K/W (standard FR4 single-sided copper), enabling precise thermal design for automotive and industrial ambient conditions up to 150 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−80 V - Maximum sustainable collector-emitter voltage before breakdown in open-base configuration; defines high-side switch voltage headroom.
I_C	−1 A - Continuous DC collector current rating; supports stable operation in 1 A load-switching applications.
P_tot	1.3 W - Max power dissipation on FR4 4-layer PCB with standard footprint; enables compact thermal layout without external heatsink.
h_FE	63–250 - DC current gain range at V_CE = −2 V / I_C = −150 mA; allows predictable base drive sizing across production lots.
f_T	100–140 MHz - Transition frequency at V_CE = −5 V / I_C = −50 mA; supports audio and low-speed switching amplification up to ~50 MHz.
V_CE(sat)	−500 mV - Collector-emitter saturation voltage at I_C = −500 mA / I_B = −50 mA; ensures <0.25 W conduction loss in saturated switching mode.
R_th(j-a)	70 K/W - Junction-to-ambient thermal resistance on 4-layer FR4 with 1 cm² collector pad; enables ≤70 °C temperature rise at 1 W dissipation.

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with 4 leads: pins 1 (base), 2 (collector), 3 (emitter), and 4 (collector). The dual-collector configuration improves thermal conduction and current handling versus standard 3-lead SOT223 variants.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal for forward-biased PNP operation; requires negative base current relative to emitter to turn on.
2	Collector	Main current-carrying terminal; electrically tied to pin 4 for enhanced thermal and current capacity.
3	Emitter	Reference terminal and current source node; connected to higher potential in high-side switch topology.
4	Collector	Second collector connection; paralleled with pin 2 to reduce effective thermal resistance and increase surge current capability.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive underhood applications per stress test requirements including HTOL, TC, HTRB, and ESD.
High power dissipation	1.3 W on 4-layer PCB enables >1 A switching without forced air or heatsink in space-constrained modules.
Dual-collector SOT223	Pins 2 and 4 both connect to collector, reducing thermal impedance by ~30% vs. single-collector SOT223 equivalents.
Three h_FE variants	BCP53T (63–250), BCP53-10T (63–160), BCP53-16T (100–250) allow precise gain matching for analog feedback or digital switching.

Applications

Linear Voltage Regulators

MOSFET Drivers

Use Scenario: Pass transistor in adjustable positive LDOs delivering up to 1 A output current with <1 % line/load regulation.

IC Role / Device Role / Timing Role: PNP series pass element controlling output voltage via emitter-follower configuration with feedback to base.

Use Value: −80 V V_CEO supports wide input range (e.g., 24 V automotive systems with load dump transients); low V_CE(sat) minimizes dropout voltage.

Use Scenario: Level-shifting driver stage for N-channel high-side MOSFETs in half-bridge motor control or DC-DC converters.

IC Role / Device Role / Timing Role: Active pull-down switch that rapidly discharges MOSFET gate during turn-off while sourcing gate current during turn-on.

Use Value: Dual-collector construction sustains 2 A peak pulses for fast gate discharge; AEC-Q101 rating ensures reliability in motor drive environments.

High-Side Switches

Power Amplifiers

Use Scenario: Solid-state replacement for mechanical relays in battery disconnect, lighting control, and HVAC actuators.

IC Role / Device Role / Timing Role: Main current-handling switch placed between supply rail and load, controlled by microcontroller GPIO through base resistor network.

Use Value: −1 A continuous rating and −2 A peak support 12 V/24 V loads up to 24 W; SOA curve validated for inductive kickback suppression.

Use Scenario: Class-A or AB audio preamplifier stage or low-frequency signal amplifier in sensor interface circuits.

IC Role / Device Role / Timing Role: Linear amplification device biased in active region to deliver voltage gain with minimal distortion at frequencies <10 MHz.

Use Value: h_FE stability over temperature (−55 °C to +150 °C) ensures consistent gain; f_T >100 MHz preserves bandwidth in multi-stage designs.

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
BCP53-16T	Higher minimum h_FE (100 vs. 63) at I_C = −150 mA; identical V_CEO, I_C, package, and thermal specs.	Better suited for precision current mirrors or analog feedback loops requiring tighter gain tolerance.	Select when circuit stability depends on guaranteed minimum current gain above 100; same footprint and drive requirements.
ZTX951	TO-92 package, lower P_tot (0.8 W), V_CEO = −60 V, h_FE = 100–800 - wider gain spread but lower voltage and power capability.	Limited to <60 V systems and <0.8 A continuous loads; unsuitable for automotive load dump or high-current switching.	Choose only for low-cost, low-power prototyping where SOT223 thermal performance is unnecessary and TO-92 mounting is preferred.

Compared with BCP53-16T, the BCP53TF offers identical robustness and thermal performance but with broader h_FE range (63–250), making it more flexible for digital switching; versus ZTX951, it delivers 33 % higher voltage rating, 62 % higher power dissipation, and SMT compatibility critical for automated manufacturing.

Availability

BCP53TF is available at Aetrix Electronics and suitable for automotive power management, industrial high-side switching, and consumer audio amplifier designs requiring stable component supply, AEC-Q101 compliance, and SOT223 thermal performance.

Supply support for BCP53TF 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 components and advanced packaging technologies.

The BCP53T series belongs to Nexperia's medium-power bipolar transistor product line, engineered specifically for automotive and industrial power control applications demanding AEC-Q101 reliability, robust SOA, and thermally optimized SOT223 packaging.

FAQ

Is BCP53TF pin-compatible with standard SOT223 PNP transistors like BC857 or MMBT3906?

No - BCP53TF uses a 4-pin SOT223 (SC-73) outline with pins 2 and 4 both connected to the collector, whereas BC857 and MMBT3906 are 3-pin SOT223 devices. Physical mounting and PCB footprint differ; pin 4 must be routed as collector, not left floating or omitted.

What is the maximum allowable base current for continuous operation?

The absolute maximum DC base current is −0.2 A per datasheet limiting values. For reliable long-term operation, design base drive to maintain I_B ≤ −50 mA at I_C = −500 mA (10× overdrive), ensuring V_CE(sat) stays ≤ −500 mV and junction temperature remains within 150 °C limit.

Does BCP53TF support pulsed operation beyond its DC ratings?

Yes - it supports I_CM = −2 A for single pulses ≤1 ms, and IBM = −0.3 A for base pulses ≤1 ms. Safe operating area (SOA) curves in Figure 2 confirm sustained operation at −1 A / −40 V (40 W) for 10 ms, provided PCB thermal design meets specified copper layers and pad area.

How does the dual-collector configuration affect thermal performance?

The dual-collector (pins 2 + 4) reduces effective thermal resistance by providing two parallel current and heat paths to the PCB copper. On a 4-layer board with 1 cm² collector pad, R_th(j-a) drops to 70 K/W - 30 % lower than typical single-collector SOT223 devices - directly improving power handling and reliability under sustained load.

BCP53TF 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:: 63 @ 150mA, 2V

Power - Max:: 1.8 W

Frequency - Transition:: 100MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP53TF FAQ

1.How can I place an order for BCP53TF through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP53TF 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 BCP53TF reliable?

The price and inventory of BCP53TF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53TF is usually 5 days.

3.What payment methods are accepted for BCP53TF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53TF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP53TF?

BCP53TF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP53TF 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 BCP53TF?

For technical support, including BCP53TF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53TF requirements.

6.How does Aetrix verify that BCP53TF is sourced from the original manufacturer or authorized distributors?

All BCP53TF 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 BCP53TF meets industry standards.

7.What is the process for return or replacement of BCP53TF?

All BCP53TF units undergo pre-shipment inspection (PSI). If there is an issue with BCP53TF, 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 BCP53TF part is unused and in its original packaging.

Return procedure for BCP53TF:

1.Submit a request within 90 days.

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

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