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

Nexperia USA Inc. BCV47-QVL

Name: BCV47-QVL
Brand: Nexperia USA Inc.
SKU: BCV47-QVL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCV47-QVL

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: BCV47-QVL.pdf

Description:: TRANS NPN DARL 60V 0.5A TO-236AB

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Product details

Overview

BCV47-QVL from Nexperia is an AEC-Q101-qualified NPN Darlington transistor in SOT23 package, delivering 500 mA continuous collector current, 60 V V_CE_S, and minimum DC current gain of 2000 at I_C = 500 mA. It serves as a high-gain preamplifier stage in automotive sensor signal conditioning circuits where low-base-drive sensitivity and thermal robustness are required.

For engineers reviewing the BCV47-QVL datasheet, BCV47-QVL pinout, BCV47-QVL application, or BCV47-QVL equivalent, key selection criteria include verified Darlington architecture, automotive-grade qualification, SOT23 footprint compatibility, and guaranteed h_FE ≥ 2000 at high I_C - critical for low-power base drive in body control modules and HVAC actuators.

Technical Context

The BCV47-QVL implements a monolithic NPN Darlington pair with integrated base-emitter resistor network absent - requiring external base biasing. Its structure delivers ultra-high current gain (h_FE up to 10,000 at I_C = 100 mA) while maintaining V_CE_S ≤ 60 V and V_BE_sat ≤ 1.5 V at I_C = 100 mA / I_B = 0.1 mA.

Thermal design relies on R_th(j-a) = 500 K/W on FR4 PCB with single-sided copper, limiting continuous power dissipation to 250 mW at T_amb ≤ 25 °C. Junction temperature is rated to 150 °C, supporting operation in under-hood environments per AEC-Q101 stress test requirements.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CE_S	60 V - Maximum safe collector-emitter voltage with base shorted to emitter; defines upper rail limit in switching applications.
I_C	500 mA - Continuous collector current rating; supports medium-power load driving without forced cooling.
h_FE min	2000 at I_C = 500 mA - Ensures minimal base drive current (≤ 250 µA) for full saturation, reducing MCU GPIO loading.
V_BE_sat	1.5 V max at I_C = 100 mA / I_B = 0.1 mA - Defines base drive voltage headroom needed for reliable turn-on in 3.3 V or 5 V logic systems.
R_th(j-a)	500 K/W - Thermal resistance on standard FR4 PCB; sets maximum allowable power before exceeding 150 °C junction temperature.
T_j max	150 °C - Absolute maximum junction temperature; enables operation in automotive ambient ranges up to 125 °C with derating.

Pinout & Package

SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 mm × 1.3 mm × 1.0 mm body height. Standard footprint compatible with reflow and wave soldering per Nexperia Fig. 3 and Fig. 4.

Pin/Terminal	Circuit Role	Design Meaning
1	Base (B)	Control input node; requires external current-limited bias to achieve Darlington saturation; no internal base resistor.
2	Emitter (E)	Common reference terminal; connected to system ground or low-side return path; carries full load current.
3	Collector (C)	Output switch node; connects to load high-side; must remain ≤ 60 V relative to emitter during operation.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive use per stress test standard - eliminates need for customer-level qualification effort in Tier-1 designs.
h_FE ≥ 2000 @ 500 mA	Enables direct drive from low-current microcontroller outputs (e.g., 3.3 V GPIO), reducing external driver stages.
V_CE_S = 60 V	Supports 42 V automotive systems and industrial 48 V rails with margin; avoids overvoltage failure in load dump transients.
SOT23 footprint	Standardized 3-pin SMD package enabling automated assembly and board space efficiency vs. larger TO-92 alternatives.

Applications

Automotive Door Module

Engine Coolant Sensor Amplifier

Use Scenario: Driving small solenoid locks and LED status indicators in door control units exposed to -40 °C to +105 °C ambient.

IC Role / Device Role / Timing Role: Medium-current NPN Darlington switch providing galvanic isolation between MCU GPIO and 12 V loads.

Use Value: High h_FE reduces base current demand to <250 µA, minimizing MCU port loading and enabling shared GPIO resources.

Use Scenario: Amplifying weak millivolt-level signals from thermistor-based coolant temperature sensors before ADC sampling.

IC Role / Device Role / Timing Role: High-gain preamplifier stage configured in common-emitter topology with stable DC bias.

Use Value: Guaranteed h_FE ≥ 2000 ensures consistent gain across temperature and unit-to-unit variation, improving sensor linearity calibration.

HVAC Actuator Driver

Body Control Unit Relay Interface

Use Scenario: Controlling 24 V DC motors in HVAC blend door actuators within dashboard assemblies.

IC Role / Device Role / Timing Role: Low-side switch interfacing MCU PWM output to motor H-bridge enable inputs.

Use Value: 500 mA I_C rating supports peak startup currents without thermal shutdown; SOT23 allows dense layout near motor drivers.

Use Scenario: Replacing electromechanical relays in lighting and wiper control submodules to reduce size and improve reliability.

IC Role / Device Role / Timing Role: Solid-state replacement for 12 V relay coils, driven directly by 3.3 V microcontroller outputs.

Use Value: V_BE_sat ≤ 1.5 V ensures full turn-on with 3.3 V logic; AEC-Q101 qualification guarantees lifetime performance in vibration-prone zones.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BCV46-Q	PNP complement; identical package and AEC-Q101 qualification but opposite polarity; h_FE min = 2000 at I_C = −500 mA.	Used in high-side switching or complementary amplifier stages where sourcing current is required.	Select when circuit topology demands PNP configuration - not a drop-in replacement for BCV47-QVL's NPN function.
BC817-40-Q	Single NPN transistor (not Darlington); h_FE min = 250 at I_C = 100 mA; higher V_CE_S = 45 V; same SOT23 package.	Suitable for general-purpose switching where lower gain and reduced voltage margin are acceptable.	Choose only if base drive capability exceeds 2 mA and 45 V V_CE_S suffices - trades gain for faster switching speed and lower V_CE_sat.

Compared with BCV46-Q (PNP counterpart) and BC817-40-Q (standard NPN), BCV47-QVL uniquely delivers Darlington-level gain in an automotive-qualified SOT23, enabling low-base-drive switching in space-constrained modules where both high h_FE and AEC compliance are non-negotiable.

Availability

BCV47-QVL is available at Aetrix Electronics and suitable for automotive body control modules, engine management sensor interfaces, HVAC actuator drivers, and lighting control subsystems requiring stable component supply across extended product lifecycles.

Supply support for BCV47-QVL 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, reliable discrete and logic devices for automotive, industrial, and consumer markets.

The BCV47-QVL belongs to Nexperia's AEC-Q101-qualified bipolar transistor portfolio, engineered specifically for automotive signal amplification and medium-power switching where high DC gain and thermal resilience are mandatory.

FAQ

Is BCV47-QVL pin-compatible with BCV47 or BCV47,115?

Yes - BCV47-QVL uses the same SOT23 package and identical pinning (1 = Base, 2 = Emitter, 3 = Collector) as BCV47 and BCV47,115. The "-QVL" suffix denotes Nexperia's automotive-grade variant with AEC-Q101 qualification and enhanced traceability; electrical specs and footprint are fully aligned.

What is the maximum safe operating frequency for BCV47-QVL in switching applications?

The BCV47-QVL is not characterized for high-frequency switching; its Darlington structure introduces inherent storage time delays. For reliable operation, keep switching frequencies below 10 kHz. At 100 mA load, typical turn-on/turn-off times exceed 1 µs - making it unsuitable for PWM above audio range or SMPS applications.

Does BCV47-QVL include an integrated base-emitter resistor?

No - BCV47-QVL is a bare Darlington pair with no internal base-emitter resistor. External base biasing is required, either via current-limiting resistor from MCU GPIO or active current source. This differs from digital transistors (e.g., EMH series) which integrate R₁/R₂ networks.

Can BCV47-QVL replace BCV26 in a circuit?

No - BCV26 is the PNP complement to BCV47-QVL and cannot substitute in NPN-configured circuits. Swapping would reverse current flow direction and likely cause functional failure. Use BCV46-Q as the validated PNP alternative when polarity reversal is intentionally required.

BCV47-QVL Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: NPN - Darlington

Current - Collector (Ic) (Max):: 500 mA

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

Vce Saturation (Max) @ Ib, Ic:: 1V @ 1mA, 100mA

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 10000 @ 100mA, 5V

Power - Max:: 250 mW

Frequency - Transition:: -

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: TO-236AB

BCV47-QVL FAQ

1.How can I place an order for BCV47-QVL through Aetrix?

Please submit a Request for Quotation (RFQ) for BCV47-QVL 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 BCV47-QVL reliable?

The price and inventory of BCV47-QVL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCV47-QVL is usually 5 days.

3.What payment methods are accepted for BCV47-QVL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCV47-QVL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCV47-QVL?

BCV47-QVL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCV47-QVL 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 BCV47-QVL?

For technical support, including BCV47-QVL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCV47-QVL requirements.

6.How does Aetrix verify that BCV47-QVL is sourced from the original manufacturer or authorized distributors?

All BCV47-QVL 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 BCV47-QVL meets industry standards.

7.What is the process for return or replacement of BCV47-QVL?

All BCV47-QVL units undergo pre-shipment inspection (PSI). If there is an issue with BCV47-QVL, 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 BCV47-QVL part is unused and in its original packaging.

Return procedure for BCV47-QVL:

1.Submit a request within 90 days.

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

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