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

Nexperia USA Inc. BCP55-16-QF

Name: BCP55-16-QF
Brand: Nexperia USA Inc.
SKU: BCP55-16-QF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP55-16-QF

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP55-16-QF.pdf

Description:: TRANS NPN 60V 1A SOT-223

Quantity:: RFQ Add To RFQ list

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Inventory:5,589

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Product details

Overview

BCP55-16-QF from Nexperia is an AEC-Q101-qualified NPN medium power transistor in SOT223 (SC-73) package, rated for 60 V V_CEO, 1 A continuous collector current, and 100–250 h_FE at V_CE = 2 V / I_C = 150 mA. It serves as a low-side switch or MOSFET driver in automotive power management circuits with thermal resistance as low as 93 K/W when mounted on 6 cm² copper pad.

For engineers reviewing the BCP55-16-QF datasheet, BCP55-16-QF pinout, BCP55-16-QF application, or BCP55-16-QF equivalent, key selection criteria include its AEC-Q101 qualification, three-tier h_FE binning (100–250), 1.35 W max power dissipation with enhanced heatsinking, and dual-collector SOT223 pinout enabling high-current routing.

Technical Context

This transistor operates as a linear or switching NPN device with open-base V_CEO = 60 V and peak collector current I_CM = 2 A (tp ≤ 1 ms). Its DC current gain is binned to 100–250 at 150 mA, distinguishing it from the BCP55-10-Q (63–160) and standard BCP55-Q (63–250) variants.

Thermal performance is defined across three mounting conditions: R_th(j-a) = 192 K/W (standard footprint), 125 K/W (1 cm² collector pad), and 93 K/W (6 cm² pad). Junction temperature is rated to 150 °C, and it supports operation from −55 °C to +150 °C ambient.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	60 V - Maximum safe collector-emitter voltage with base open; defines upper rail limit in low-side switch designs
I_C	1 A continuous - Sustained load current capability; enables direct drive of small solenoids or LED strings
h_FE	100–250 at V_CE = 2 V, I_C = 150 mA - Tighter gain bin ensures predictable base drive requirements in production
P_tot	1.35 W - Achievable only with 6 cm² copper heatsink; critical for thermal margin in enclosed automotive modules
R_th(j-a)	93 K/W - Thermal resistance with 6 cm² collector pad; enables ~14.5 °C/W junction-to-ambient rise at full 1 A
f_T	100–180 MHz - Transition frequency confirms suitability for fast-switching applications up to ~10 MHz
V_CE(sat)	≤ 0.5 V at I_C = 500 mA, I_B = 50 mA - Low saturation voltage reduces conduction loss in PWM-driven loads

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with integrated heatsink tab; 4-terminal configuration where pins 2 and 4 are internally connected to the collector for enhanced thermal and current handling.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control input; requires ~50 mA base drive for 500 mA collector switching
2	Collector	Main high-current output node; electrically tied to pin 4 for parallel current paths
3	Emiter	Reference/return path; connects to ground or low-side return rail
4	Collector	Second collector terminal; used for PCB layout optimization and thermal spreading

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive underhood use per stress test standard; eliminates need for requalification in Tier-1 designs
Three h_FE bins	BCP55-16-Q offers 100–250 gain range-tighter than BCP55-Q (63–250)-reducing base resistor tolerance sensitivity
Dual-collector SOT223	Pins 2 and 4 both connect to collector, enabling lower effective thermal resistance and higher pulse current handling
1.35 W P_tot rating	Requires 6 cm² copper pad; delivers >2× power handling vs. standard SOT223 footprints without changing package size
V_BE ≤ 1 V at I_C = 500 mA	Enables direct interface with 3.3 V or 5 V microcontroller GPIOs without level-shifting circuitry

Applications

Linear Voltage Regulators

Power Management

Use Scenario: Pass transistor in adjustable LDO regulators delivering up to 1 A output current.

IC Role / Device Role / Timing Role: NPN pass element controlling output voltage via emitter-follower configuration with feedback loop.

Use Value: 60 V rating allows input headroom up to 55 V; 1.35 W dissipation supports ≥1.5 W thermal margin at 1 A/5 V dropout.

Use Scenario: Load switch in 12 V automotive body control modules managing power to sensors or actuators.

IC Role / Device Role / Timing Role: Low-side switching element controlled by MCU GPIO, enabling ON/OFF sequencing and fault isolation.

Use Value: AEC-Q101 qualification ensures reliability in cyclic thermal environments; dual-collector layout improves current sharing during inrush.

Low-Side Switches

MOSFET Drivers

Use Scenario: Direct-drive switch for 24 V industrial solenoids or relay coils drawing ≤1 A steady-state current.

IC Role / Device Role / Timing Role: Saturated NPN switch sinking load current to ground; driven by logic-level signal through current-limiting resistor.

Use Value: V_CE(sat) ≤ 0.5 V minimizes power loss (≤0.5 W at 1 A); 2 A peak rating handles solenoid turn-on surge.

Use Scenario: Gate driver stage for N-channel power MOSFETs in DC-DC converters or motor H-bridges.

IC Role / Device Role / Timing Role: Current amplifier boosting MCU output to deliver ≥500 mA gate charge pulses within <100 ns.

Use Value: f_T ≥ 100 MHz ensures fast turn-on/turn-off; low V_BE enables full drive from 3.3 V logic without external bias.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BCP55-10-Q	h_FE = 63–160 at I_C = 150 mA - lower and wider gain spread than BCP55-16-Q's 100–250 range	Suitable where base drive margin is ample and gain variation is acceptable (e.g., non-critical amplification)	Select when tighter h_FE tolerance is not required and cost optimization is prioritized
BCP56-16-Q	Higher V_CEO = 80 V; same SOT223 package and h_FE binning; P_tot = 1.35 W with identical thermal specs	Used in 48 V systems or industrial supplies exceeding 60 V input rails	Choose when system voltage exceeds 60 V but same thermal and drive behavior is needed

Compared with BCP55-10-Q, the BCP55-16-Q provides tighter h_FE control for stable base biasing; versus BCP56-16-Q, it trades 20 V headroom for optimized cost and footprint compatibility in 12/24 V automotive subsystems.

Availability

BCP55-16-QF is available at Aetrix Electronics and suitable for automotive body control units, industrial power sequencers, and battery-powered motor drivers requiring stable component supply, AEC-Q101 compliance, and SOT223 thermal scalability.

Supply support for BCP55-16-QF 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 efficiency technologies, delivering high-performance discrete, logic, and MOSFET solutions for automotive, industrial, and consumer markets.

The BCP55-Q series belongs to Nexperia's AEC-Q101-qualified medium-power bipolar transistor product line, engineered specifically for robust low-side switching and linear regulation in harsh automotive environments.

FAQ

What is the maximum allowable junction temperature for BCP55-16-QF?

The absolute maximum junction temperature is 150 °C, as specified in the limiting values table. Operation above this threshold risks permanent degradation. Derating curves show that at 100 °C ambient, maximum continuous power drops to ~0.8 W with standard FR4 mounting, requiring careful thermal design in enclosed enclosures.

Is BCP55-16-QF pin-compatible with standard SOT223 transistors?

Yes - it uses the JEITA SC-73 / SOT223 outline with identical mechanical dimensions and 4-pin layout (base-collector-emitter-collector). Pin 1 is base, pins 2 and 4 are collector, and pin 3 is emitter. No footprint change is needed versus generic SOT223 NPN devices.

How does the dual-collector configuration improve thermal performance?

Pins 2 and 4 are internally shorted to the collector die attach pad, effectively doubling the copper connection area on PCB. When both pins are soldered to a shared 6 cm² thermal pad, R_th(j-a) improves from 192 K/W (standard) to 93 K/W - nearly halving thermal resistance and enabling higher sustained current.

Can BCP55-16-QF replace BCP55-10-Q in existing designs?

Yes - it is a direct drop-in replacement with identical package, pinout, voltage/current ratings, and thermal specs. The only functional difference is the tighter h_FE bin (100–250 vs. 63–160), which typically improves base drive predictability without requiring circuit modification.

BCP55-16-QF 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:: NPN

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

Voltage - Collector Emitter Breakdown (Max):: 60 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:: 650 mW

Frequency - Transition:: 180MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP55-16-QF FAQ

1.How can I place an order for BCP55-16-QF through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP55-16-QF 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 BCP55-16-QF reliable?

The price and inventory of BCP55-16-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP55-16-QF is usually 5 days.

3.What payment methods are accepted for BCP55-16-QF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP55-16-QF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP55-16-QF?

BCP55-16-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP55-16-QF 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 BCP55-16-QF?

For technical support, including BCP55-16-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP55-16-QF requirements.

6.How does Aetrix verify that BCP55-16-QF is sourced from the original manufacturer or authorized distributors?

All BCP55-16-QF 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 BCP55-16-QF meets industry standards.

7.What is the process for return or replacement of BCP55-16-QF?

All BCP55-16-QF units undergo pre-shipment inspection (PSI). If there is an issue with BCP55-16-QF, 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 BCP55-16-QF part is unused and in its original packaging.

Return procedure for BCP55-16-QF:

1.Submit a request within 90 days.

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

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