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

onsemi BC63916_D26Z

Name: BC63916_D26Z
Brand: onsemi
SKU: BC63916_D26Z
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BC63916_D26Z

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-226-3, TO-92-3 (TO-226AA) Formed Leads

Datasheet:: BC63916_D26Z.pdf

Description:: TRANS NPN 80V 1A TO-92-3

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Product details

Overview

BC63916_D26Z from Fairchild Semiconductor is an NPN epitaxial silicon transistor designed for switching and amplifier applications, with V_CEO = 80 V, I_C = 1 A, P_C = 1 W, h_FE = 25–250 (at I_C = 5 mA to 500 mA), and f_T = 100 MHz - used in low-voltage DC-DC converter control stages and audio preamplifier gain blocks.

For engineers reviewing the BC63916_D26Z datasheet, pinout, applications, or equivalent options, key selection considerations include its TO-92 package, guaranteed h_FE range across three collector current points, V_CE(sat) ≤ 0.5 V at I_C = 500 mA / I_B = 50 mA, and junction temperature rating up to +150°C.

Technical Context

This NPN transistor operates as a medium-speed, general-purpose bipolar junction device optimized for linear amplification and saturated switching. Its design supports stable DC biasing with h_FE specified at three distinct I_C points (5 mA, 150 mA, 500 mA), enabling predictable gain behavior across load conditions.

The BC63916_D26Z features low V_CE(sat) and moderate f_T, making it suitable for audio-frequency amplifiers and low-duty-cycle switching where thermal dissipation must remain within 1 W limits in TO-92. It meets JEDEC TO-92 mechanical standards with leadform option D26Z indicating standard bent leads per Fairchild's package 97/98 configuration.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	80 V - maximum safe collector-emitter voltage under open-base condition; defines upper rail limit in switch-mode topologies
I_C	1 A - continuous collector current rating; sets peak load drive capability in relay drivers or LED arrays
P_C	1 W - total power dissipation at T_A = 25°C; requires heatsinking or derating above 25°C ambient
h_FE	25–250 - DC current gain range across I_C = 5 mA to 500 mA; enables consistent bias design across operating points
f_T	100 MHz - unity-gain bandwidth; supports audio amplification up to ~10 MHz with usable gain margin
V_CE(sat)	≤ 0.5 V at I_C = 500 mA / I_B = 50 mA - ensures low conduction loss in saturated switch applications
T_J	−55 °C to +150 °C - operational junction temperature range; supports industrial and automotive under-hood environments

Pinout & Package

BC63916_D26Z is housed in a standard JEDEC TO-92 plastic package with molded epoxy body and axial leads. The D26Z suffix denotes standard bent-lead configuration (Emitter–Collector–Base, left-to-right when flat side faces viewer).

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	Current sink terminal	Reference node for base drive; connects to ground or low-side return path in common-emitter configurations
2 (Collector)	Current source terminal	Connects to load or supply rail; carries full output current and dissipates majority of power in switching mode
3 (Base)	Control input terminal	Accepts current-limited drive signal; requires series resistor to set I_B for desired saturation or linear operation

Key Features

Feature	Design Value
Three-point h_FE specification	Guarantees minimum gain at 5 mA, 150 mA, and 500 mA - simplifies bias network design across operating regions
V_CE(sat) ≤ 0.5 V	Reduces power loss during saturation, improving efficiency in low-voltage switching circuits like fan controllers
f_T = 100 MHz	Enables stable small-signal amplification up to mid-audio frequencies without external compensation
TO-92 package with D26Z leadform	Ensures compatibility with legacy through-hole PCB layouts and automated insertion equipment calibrated for standard bent leads
JEDEC-compliant thermal rating	Supports operation up to +150°C junction temperature - suitable for enclosed industrial enclosures without forced air

Applications

Audio Preamp Stage	DC-DC Converter Driver
Use Scenario: Low-noise voltage amplification in portable audio signal chains prior to ADC input. IC Role / Device Role / Timing Role: NPN small-signal amplifier configured in common-emitter topology with emitter degeneration. Use Value: h_FE stability across I_C = 5–150 mA ensures consistent gain setting; f_T = 100 MHz provides headroom for anti-alias filtering.	Use Scenario: Saturated switch driving gate of power MOSFET in 5–24 V buck converter feedback loop. IC Role / Device Role / Timing Role: Low-side switch controlling PWM signal path between controller IC and power stage. Use Value: V_CE(sat) ≤ 0.5 V minimizes conduction loss; TO-92 footprint allows compact layout near controller IC.
Relay Interface Circuit	LED Array Driver
Use Scenario: Isolating microcontroller GPIO from 12 V relay coil with flyback protection. IC Role / Device Role / Timing Role: Digital switch translating logic-level signals into coil-current paths. Use Value: I_C = 1 A rating handles typical 12 V relay coils (70–150 mA); V_CEO = 80 V withstands inductive kickback.	Use Scenario: Constant-current driver for 8-segment status LED panel in industrial HMI. IC Role / Device Role / Timing Role: Linear current regulator using emitter resistor feedback and base bias. Use Value: h_FE tolerance (25–250) accommodates unit-to-unit variation while maintaining ±10% LED brightness uniformity.

Audio Preamp Stage

DC-DC Converter Driver

Use Scenario: Low-noise voltage amplification in portable audio signal chains prior to ADC input.

IC Role / Device Role / Timing Role: NPN small-signal amplifier configured in common-emitter topology with emitter degeneration.

Use Value: h_FE stability across I_C = 5–150 mA ensures consistent gain setting; f_T = 100 MHz provides headroom for anti-alias filtering.

Use Scenario: Saturated switch driving gate of power MOSFET in 5–24 V buck converter feedback loop.

IC Role / Device Role / Timing Role: Low-side switch controlling PWM signal path between controller IC and power stage.

Use Value: V_CE(sat) ≤ 0.5 V minimizes conduction loss; TO-92 footprint allows compact layout near controller IC.

Relay Interface Circuit

LED Array Driver

Use Scenario: Isolating microcontroller GPIO from 12 V relay coil with flyback protection.

IC Role / Device Role / Timing Role: Digital switch translating logic-level signals into coil-current paths.

Use Value: I_C = 1 A rating handles typical 12 V relay coils (70–150 mA); V_CEO = 80 V withstands inductive kickback.

Use Scenario: Constant-current driver for 8-segment status LED panel in industrial HMI.

IC Role / Device Role / Timing Role: Linear current regulator using emitter resistor feedback and base bias.

Use Value: h_FE tolerance (25–250) accommodates unit-to-unit variation while maintaining ±10% LED brightness uniformity.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC639	Same V_CEO = 80 V, I_C = 1 A, but h_FE min = 40 only at I_C = 150 mA; no h_FE spec at 5 mA or 500 mA	Lacks multi-point h_FE validation - less predictable in wide-dynamic-range amplifiers	Select BC63916_D26Z when gain consistency across light/heavy loads is required
PN2222A	Lower V_CEO = 40 V, same TO-92 package; h_FE = 100 min at I_C = 150 mA, no 5 mA or 500 mA spec	Not suitable for 48 V or higher supply rails; limited to ≤40 V switching or amplification	Choose BC63916_D26Z for 80 V-rated systems or where wider h_FE characterization is needed

Compared with BC639 and PN2222A, the BC63916_D26Z offers uniquely validated h_FE across three collector currents and higher V_CEO, enabling more robust bias design in variable-load amplifiers and higher-voltage switching - without requiring PCB redesign.

Availability

BC63916_D26Z is available at Aetrix Electronics and suitable for relay interface circuits, LED array drivers, audio preamplifier stages, and DC-DC converter driver stages requiring stable component supply and long-term industrial availability.

Supply support for BC63916_D26Z 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

Fairchild Semiconductor was a U.S.-based semiconductor company specializing in power management, analog, and discrete components before its acquisition by ON Semiconductor in 2016.

The BC63916_D26Z belongs to Fairchild's general-purpose bipolar transistor product line, engineered for cost-sensitive industrial and consumer applications requiring reliable switching and linear amplification in through-hole packages.

FAQ

What is the pin configuration of BC63916_D26Z?

The BC63916_D26Z uses a standard TO-92 package with pin 1 as Emitter, pin 2 as Collector, and pin 3 as Base - viewed with the flat side facing the user and leads pointing downward. This matches JEDEC TO-92 mechanical specification and is confirmed in Fairchild's January 2003 Rev. A datasheet for BC63916_D26Z.

Does BC63916_D26Z support linear amplifier operation?

Yes, BC63916_D26Z supports linear amplifier operation with verified h_FE values at I_C = 5 mA, 150 mA, and 500 mA, and f_T = 100 MHz. Its V_CE(sat) and thermal rating allow stable Class-A or Class-AB biasing in audio preamp designs, as documented in the BC63916_D26Z datasheet.

What is the maximum junction temperature for BC63916_D26Z?

The BC63916_D26Z has a specified operating junction temperature range of −55 °C to +150 °C, per its Absolute Maximum Ratings table. This allows deployment in high-ambient environments such as enclosed industrial controls or automotive under-dash modules without additional thermal mitigation beyond standard TO-92 derating.

Is BC63916_D26Z RoHS compliant?

The BC63916_D26Z was manufactured prior to RoHS enforcement deadlines and predates formal RoHS certification. It contains leaded solder terminations and is not RoHS-compliant. For RoHS-compliant alternatives, consult Aetrix Electronics' qualified replacements list referencing BC63916_D26Z-compatible footprints.

What does the 'D26Z' suffix indicate in BC63916_D26Z?

The 'D26Z' suffix on BC63916_D26Z specifies Fairchild's standard bent-lead configuration for TO-92 packages (package codes 97/98), ensuring compatibility with conventional through-hole assembly processes. This leadform is distinct from in-line options like L34Z and is explicitly defined in the BC63916_D26Z datasheet revision notes.

BC63916_D26Z Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-226-3, TO-92-3 (TO-226AA) Formed Leads

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: NPN

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:: 100 @ 150mA, 2V

Power - Max:: 1 W

Frequency - Transition:: 100MHz

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-92-3

BC63916_D26Z FAQ

1.How can I place an order for BC63916_D26Z through Aetrix?

Please submit a Request for Quotation (RFQ) for BC63916_D26Z 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 BC63916_D26Z reliable?

The price and inventory of BC63916_D26Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC63916_D26Z is usually 5 days.

3.What payment methods are accepted for BC63916_D26Z?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC63916_D26Z transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BC63916_D26Z?

BC63916_D26Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BC63916_D26Z 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 BC63916_D26Z?

For technical support, including BC63916_D26Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC63916_D26Z requirements.

6.How does Aetrix verify that BC63916_D26Z is sourced from the original manufacturer or authorized distributors?

All BC63916_D26Z 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 BC63916_D26Z meets industry standards.

7.What is the process for return or replacement of BC63916_D26Z?

All BC63916_D26Z units undergo pre-shipment inspection (PSI). If there is an issue with BC63916_D26Z, 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 BC63916_D26Z part is unused and in its original packaging.

Return procedure for BC63916_D26Z:

1.Submit a request within 90 days.

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

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