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

Nexperia USA Inc. BCW61C,215

Name: BCW61C,215
Brand: Nexperia USA Inc.
SKU: BCW61C,215
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCW61C,215

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCW61C,215.pdf

Description:: TRANS PNP 32V 0.1A TO-236AB

Quantity:: RFQ Add To RFQ list

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Inventory:6,000

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Product details

Overview

BCW61C,215 from Nexperia is a PNP general-purpose bipolar junction transistor (BJT) in SOT23 package, rated for −32 V V_CEO, −100 mA I_C, and DC current gain (h_FE) of 250–460 at I_C = −2 mA. It serves as a low-power switching or linear amplification device in signal conditioning and interface circuits within consumer and industrial control modules.

For engineers reviewing the BCW61C,215 datasheet, BCW61C,215 pinout, BCW61C,215 application, or BCW61C,215 equivalent, key selection criteria include verified h_FE range at multiple bias points, V_CEsat ≤ −250 mV at I_C = −10 mA, thermal resistance R_{th j-a} = 500 K/W on FR4, and compatibility with SOT23 reflow profiles.

Technical Context

This PNP BJT operates in active, saturation, and cutoff regions with defined DC gain bands across collector current (−10 μA to −50 mA) and V_CE (−1 V to −5 V). Its low-noise figure (2–6 dB at 1 kHz) and transition frequency f_T ≥ 100 MHz support small-signal amplification up to RF front-end stages.

Thermal performance is specified for mounting on standard FR4 PCBs, with T_j max = 150 °C and T_stg = −65 to +150 °C. Capacitance values (C_c = 4.5 pF, C_e = 11 pF) reflect junction behavior under reverse-biased conditions at 1 MHz.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−32 V - maximum safe collector-emitter voltage in open-base configuration
I_C (DC)	−100 mA - continuous collector current limit defining linear/saturation operating envelope
h_FE @ I_C = −2 mA	250–460 - usable DC gain range for bias-stable amplifier designs
V_CEsat @ I_C = −10 mA	≤ −250 mV - low saturation voltage enabling efficient switching in 3.3 V/5 V logic interfaces
R_{th j-a}	500 K/W - thermal resistance indicating power derating requirement above 25 °C ambient
f_T	≥ 100 MHz - usable bandwidth for RF preamplifier or oscillator buffer stages
C_c	4.5 pF - collector-base capacitance affecting high-frequency gain roll-off and stability

Pinout & Package

SOT23 (TO-236AB) plastic surface-mount package with gull-wing leads; 3-terminal configuration optimized for automated placement and IR-reflow soldering on 1.0 mm pitch PCBs.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Current-controlled input node; requires series resistor to limit I_B and ensure h_FE-based I_C scaling
2	Emiter	Common reference terminal for PNP operation; connected to higher-potential rail in typical switch configurations
3	Collector	Output current sink node; voltage swing limited by V_CEO and load impedance

Key Features

Feature	Design Value
Low-voltage PNP switching	Rated for −32 V V_CEO and −5 V V_EBO, supporting 3.3 V/5 V system-level interfacing
Controlled h_FE spread	250–460 at I_C = −2 mA enables predictable bias design without individual trimming
Low V_CEsat	≤ −250 mV at I_C = −10 mA reduces conduction loss in discrete logic-level switches
FR4-optimized thermal rating	R_{th j-a} = 500 K/W allows direct thermal modeling on standard PCB layouts without copper pour

Applications

LED Driver Circuits

Level-Shifting Interfaces

Use Scenario: Driving 20 mA indicator LEDs from 3.3 V microcontroller GPIO pins with inverted logic.

IC Role / Device Role / Timing Role: PNP current sink switch controlling LED anode connection to supply rail.

Use Value: V_CEsat ≤ −250 mV ensures <10 mW dissipation per LED channel at full brightness.

Use Scenario: Translating 1.8 V logic outputs to 5 V-tolerant inputs in mixed-voltage sensor subsystems.

IC Role / Device Role / Timing Role: Active-low level shifter using emitter-follower or common-emitter inversion.

Use Value: h_FE ≥ 250 supports >10 kΩ pull-up loads while maintaining rise/fall times <100 ns.

Audio Signal Amplifiers

Power Supply Enable Switches

Use Scenario: Low-noise preamplification of microphone signals in portable audio codecs.

IC Role / Device Role / Timing Role: Single-stage common-emitter amplifier with emitter degeneration.

Use Value: Noise figure 2–6 dB at 1 kHz enables SNR > 75 dB in 10 kΩ source impedance configurations.

Use Scenario: Enabling/disabling 3.3 V LDO outputs via microcontroller reset or sleep control lines.

IC Role / Device Role / Timing Role: High-side enable switch controlling LDO EN pin or input FET gate.

Use Value: −100 mA I_C rating accommodates peak inrush currents during LDO startup sequencing.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP general-purpose transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC856B,215	Same SOT23 package; h_FE = 220–475 at I_C = −2 mA; V_CEO = −65 V	Higher breakdown voltage supports 12 V rail switching not feasible with BCW61C	Select when V_CEO margin > 32 V is required without changing footprint
MMBT3906LT1G	SOT23; h_FE = 100–300 at I_C = −10 mA; V_CEO = −40 V; R_{th j-a} = 400 K/W	Better thermal performance but narrower h_FE range affects bias stability in precision amplifiers	Prefer for higher-power switching where thermal headroom is critical over gain consistency

Compared with BC856B,215 and MMBT3906LT1G, BCW61C,215 offers tighter h_FE control at low I_C and lower V_CEsat, making it optimal for battery-powered signal switching where gain predictability and voltage headroom are prioritized over breakdown margin or thermal efficiency.

Availability

BCW61C,215 is available at Aetrix Electronics and suitable for LED driver circuits, level-shifting interfaces, and audio signal amplifiers requiring stable component supply and consistent h_FE binning across production lots.

Supply support for BCW61C,215 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 leader in high-volume production of discrete semiconductors, with expertise in automotive-grade reliability, wafer-scale packaging, and application-optimized BJT/MOSFET design.

The BCW61 series belongs to Nexperia's general-purpose transistor portfolio, engineered for cost-sensitive, space-constrained consumer and industrial control applications requiring proven performance at 100 mA and below.

FAQ

Is BCW61C,215 RoHS compliant and halogen-free?

Yes. BCW61C,215 meets RoHS Directive 2011/65/EU and is certified halogen-free per IEC 61249-2-21. Nexperia's product change notification PCN-2017-001 confirmed full compliance for all SOT23-packaged transistors manufactured after Q1 2017, including this variant.

What is the maximum allowable PCB temperature during reflow soldering?

The SOT23 package supports JEDEC J-STD-020D-compliant lead-free reflow profiles. Peak temperature must not exceed 260 °C for ≤ 30 seconds, with ramp-up rate ≤ 3 °C/s and ramp-down rate ≤ 6 °C/s. Preheat dwell at 150–200 °C for 60–120 s is recommended.

Can BCW61C,215 replace BCW61B in existing designs?

Yes, with verification of h_FE impact. BCW61C has minimum h_FE = 250 at I_C = −2 mA versus BCW61B's 180. This may increase base drive current requirements in saturated-switch designs but improves linearity in analog amplifiers.

Does BCW61C,215 support pulsed operation beyond its DC ratings?

Yes. Absolute maximum peak collector current I_CM is −200 mA with pulse width ≤ 300 μs and duty cycle ≤ 2%. This enables short-duration surge handling in motor commutation or solenoid drive circuits when combined with appropriate base drive limiting.

BCW61C,215 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:: PNP

Current - Collector (Ic) (Max):: 100 mA

Voltage - Collector Emitter Breakdown (Max):: 32 V

Vce Saturation (Max) @ Ib, Ic:: 550mV @ 1.25mA, 50mA

Current - Collector Cutoff (Max):: 20nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 250 @ 2mA, 5V

Power - Max:: 250 mW

Frequency - Transition:: 100MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: TO-236AB

BCW61C,215 FAQ

1.How can I place an order for BCW61C,215 through Aetrix?

Please submit a Request for Quotation (RFQ) for BCW61C,215 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 BCW61C,215 reliable?

The price and inventory of BCW61C,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCW61C,215 is usually 5 days.

3.What payment methods are accepted for BCW61C,215?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCW61C,215 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCW61C,215?

BCW61C,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCW61C,215 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 BCW61C,215?

For technical support, including BCW61C,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCW61C,215 requirements.

6.How does Aetrix verify that BCW61C,215 is sourced from the original manufacturer or authorized distributors?

All BCW61C,215 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 BCW61C,215 meets industry standards.

7.What is the process for return or replacement of BCW61C,215?

All BCW61C,215 units undergo pre-shipment inspection (PSI). If there is an issue with BCW61C,215, 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 BCW61C,215 part is unused and in its original packaging.

Return procedure for BCW61C,215:

1.Submit a request within 90 days.

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

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