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

Nexperia USA Inc. BCP53-10T-QX

Name: BCP53-10T-QX
Brand: Nexperia USA Inc.
SKU: BCP53-10T-QX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP53-10T-QX

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP53-10T-QX.pdf

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

Quantity:: RFQ Add To RFQ list

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Inventory:1,000

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Product details

Overview

BCP53-10T-Q 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 160 h_FE at −150 mA/−2 V, used in automotive-grade high-side switches and linear voltage regulators.

For engineers reviewing the BCP53-10T-Q datasheet, BCP53-10T-Q pinout, BCP53-10T-Q application, or BCP53-10T-Q equivalent, this device supports thermally robust switching in power management circuits where AEC-Q101 qualification, low V_CE(sat) (≤ −500 mV), and stable DC gain across temperature are critical selection criteria.

Technical Context

This PNP transistor operates with open-base collector-emitter breakdown of −80 V and emitter-base breakdown of −5 V, supporting reliable operation in high-side configurations where base drive control determines load activation timing and saturation depth.

Its pulsed peak collector current capability reaches −2 A (t_p ≤ 1 ms), and thermal resistance to ambient ranges from 70 K/W (4-layer PCB, 1 cm² collector pad) to 209 K/W (standard FR4 footprint), enabling scalable thermal design across industrial and automotive PCB layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−80 V: Maximum safe collector-emitter voltage with base open; defines high-side switch voltage headroom
I_C	−1 A continuous: Sustained load current capacity under 25 °C ambient with standard PCB mounting
h_FE	63–160 at −150 mA/−2 V: Confirmed DC current gain range for predictable base drive sizing
V_CE(sat)	≤ −500 mV at −500 mA/−50 mA: Low saturation voltage ensures minimal conduction loss in switching applications
f_T	100–140 MHz: Transition frequency enables stable operation up to mid-frequency signal amplification
P_tot	1.8 W (4-layer PCB, 1 cm² collector pad): Maximum dissipation under optimized thermal layout
R_th(j-a)	70 K/W min: Thermal resistance baseline for worst-case junction temperature estimation

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with 4 leads, featuring an extended copper tab (lead 2 and 4) for enhanced thermal conduction and mechanical anchoring on PCBs.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control input node requiring current-limited drive to achieve target I_C and saturation
2	Collector	Main current path terminal; electrically and thermally connected to exposed copper tab
3	Emiter	Reference node tied to higher potential rail in high-side configuration
4	Collector	Dual-collector configuration improves current handling and thermal spreading via second tab connection

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive use per stress test requirements, including temperature cycling and HTRB
Three h_FE variants	BCP53-10T-Q (63–160), BCP53T-Q (63–250), BCP53-16T-Q (100–250) enable precise gain matching
Dual-collector SOT223	Leads 2 and 4 both connect to collector, doubling current path and reducing thermal resistance
High power dissipation	1.8 W max with 4-layer PCB + 1 cm² collector pad - exceeds standard SOT223 limits by >2×
Low V_BE at operating point	≤ −1 V at −500 mA ensures efficient base drive with common logic-level controllers

Applications

Linear Voltage Regulators

MOSFET Drivers

Use Scenario: Pass transistor in adjustable negative LDO or series regulator supplying −5 V to analog sensors.

IC Role / Device Role / Timing Role: PNP pass element controlling output voltage via base bias; no timing function.

Use Value: Stable −80 V rating and 160 h_FE allow precise output regulation with minimal dropout under 1 A load.

Use Scenario: Level-shifting driver stage for N-channel high-side MOSFET in 12 V automotive power distribution.

IC Role / Device Role / Timing Role: Active pull-down switch enabling fast gate discharge; no intrinsic timing role.

Use Value: Dual-collector construction sustains −1 A peak current during gate discharge while maintaining < −500 mV V_CE(sat).

High-Side Switches

Power Management

Use Scenario: Load switch for infotainment system backlight or HVAC motor control in 24 V commercial vehicle systems.

IC Role / Device Role / Timing Role: Main current-handling switch activated by microcontroller GPIO through base resistor.

Use Value: AEC-Q101 qualification and −80 V V_CEO ensure reliability in noisy 24 V rail environments with load dump transients.

Use Scenario: Current-sense amplifier front-end or pre-regulator stage in multi-rail industrial PLC power supply.

IC Role / Device Role / Timing Role: Medium-power amplification or current-mirror reference element; no timing function.

Use Value: Tight h_FE bin (63–160) and low leakage (< −100 nA ICBO) support accurate current replication over −55 °C to 150 °C.

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-Q	Higher h_FE range (100–250) at same V_CEO/I_C; identical package and pinout	Better suited for low-base-drive designs where microcontroller GPIO current is limited	Select when base drive current must stay below −10 mA at full load
ZTX951	−100 V V_CEO, −1.5 A I_C, TO-92 package; h_FE 100–300; no AEC-Q101 qualification	Higher voltage margin but lacks automotive qualification and SMT thermal performance	Use only in non-automotive, through-hole designs requiring extra voltage headroom

Compared with BCP53-10T-Q, BCP53-16T-Q offers higher gain for reduced base drive burden, while ZTX951 trades AEC-Q101 compliance and SMT thermal efficiency for greater voltage and current ratings in legacy through-hole layouts.

Availability

BCP53-10T-Q is available at Aetrix Electronics and suitable for automotive power distribution, industrial linear regulators, and high-side load switching requiring stable component supply with AEC-Q101 assurance and SOT223 thermal scalability.

Supply support for BCP53-10T-Q 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 essential semiconductors, delivering high-performance, reliable components for automotive, industrial, and consumer markets.

The BCP53T-Q series belongs to Nexperia's AEC-Q101-qualified discrete transistor portfolio, designed specifically for robust, thermally efficient medium-power switching in automotive power management and industrial control systems.

FAQ

What is the maximum allowable junction temperature for BCP53-10T-Q?

The absolute maximum junction temperature is 150 °C, as defined in the limiting values table. Operation above this threshold risks permanent degradation. Derating curves in Figure 1 show that total power dissipation must be reduced linearly above 25 °C ambient, reaching zero at 150 °C for standard FR4 mounting.

Does BCP53-10T-Q support pulse operation beyond its DC current rating?

Yes - it supports −2 A peak collector current in single pulses ≤ 1 ms duration, as specified in Table 2 and Table 6. This capability enables short-duration surge handling in motor start-up or fault-clearing circuits without exceeding safe operating area limits shown in Figure 2.

How does the dual-collector configuration affect PCB layout?

Leads 2 and 4 are internally connected to the collector and share the same thermal pad. Layout must join both pads to a common copper pour with ≥1 cm² area for optimal thermal performance. Separating them reduces current capacity and increases R_th(j-a) by up to 30 % compared to unified routing.

Is BCP53-10T-Q compatible with lead-free reflow soldering profiles?

Yes - it is qualified for lead-free reflow per J-STD-020, with peak temperature tolerance up to 260 °C. Figure 19 provides the recommended reflow footprint, including solder land dimensions and paste volume guidance for reliable attachment and thermal interface integrity.

BCP53-10T-QX Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BCP53T-Q

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:: 600 mW

Frequency - Transition:: 140MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP53-10T-QX FAQ

1.How can I place an order for BCP53-10T-QX through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP53-10T-QX 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 BCP53-10T-QX reliable?

The price and inventory of BCP53-10T-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53-10T-QX is usually 5 days.

3.What payment methods are accepted for BCP53-10T-QX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53-10T-QX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP53-10T-QX?

BCP53-10T-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP53-10T-QX 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 BCP53-10T-QX?

For technical support, including BCP53-10T-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53-10T-QX requirements.

6.How does Aetrix verify that BCP53-10T-QX is sourced from the original manufacturer or authorized distributors?

All BCP53-10T-QX 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 BCP53-10T-QX meets industry standards.

7.What is the process for return or replacement of BCP53-10T-QX?

All BCP53-10T-QX units undergo pre-shipment inspection (PSI). If there is an issue with BCP53-10T-QX, 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 BCP53-10T-QX part is unused and in its original packaging.

Return procedure for BCP53-10T-QX:

1.Submit a request within 90 days.

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

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