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Fairchild BCV27 NPN Darlington Transistor User's Guide

Summary

This manual details the BCV27 NPN Darlington transistor, a high-current component designed for applications up to 1.2 A. It is essential for engineers and hobbyists requiring high current gain and includes specifications on absolute maximum ratings, electrical characteristics, and thermal management.

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BCV27

SOT-23 Mark: FF

NPN Darlington Transistor This device is designed for applications requiring extremely high current gain at collector currents to 1.0 A. Sourced from Process 05.

Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value Units VCEO Collector-Emitter Voltage VCBO Collector-Base Voltage VEBO Emitter-Base Voltage IC Collector Current - Continuous 1.2

TJ, Tstg Operating and Storage Junction Temperature Range -55 to +150 °C

*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations

Thermal Characteristics TA = 25°C unless otherwise noted Symbol Characteristic Max Units

*BCV27

PD Total Device Dissipation m W

Derate above 25°C 2.8 m W/°C

RθJA Thermal Resistance, Junction to Ambient °C/W

*Device mounted on FR-4 PCB 40 mm X 40 mm X 1.5 mm.

1997 Fairchild Semiconductor Corporation

Page Summary Contents For Fairchild BCV27 NPN Darlington Transistor User's Guide

Page 1 BCV27 SOT-23 Mark: FF NPN Darlington Transistor This device is designed for applications requiring extremely high current gain at collector currents to 1.0 A. Sourced from Process 05. Absolute Maximum...
Page 2 NPN Darlington Transistor (continued) Electrical Characteristics TA = 25°C unless otherwise noted IC IN ES IT TA Symbol Parameter Test Conditions Min Typ Max Units OFF CHARACTERISTICS V(BR)CEO Collect...
Page 3 NPN Darlington Transistor (continued) PA IT (p F) LE Typical Characteristics (continued) Collector-Emitter Breakdown Collector-Cutoff Current Voltage with Resistance vs Ambient Temperature Between Emi...
Page 4 SOT-23 Tape and Reel Data SOT-23 Packaging Configuration: Figure 1.0 Customized Label Packaging Description: SOT-23 parts are shipped in tape. The carrier tape is made from a dissipative (carbon fil l...
Page 5 SOT-23 Tape and Reel Data, continued SOT-23 Embossed Carrier Tape Configuration: Figure 3.0 B0 Wc User Direction of Feed Dimensions are in millimeter Pkg type A0 B0 D0 D1 E1 E2 P1 P0 K0 Wc Tc SOT-23 3...
Page 6 SOT-23 Package Dimensions SOT-23 (FS PKG Code 49) 1:1 Scale 1:1 on letter size paper Dimensions shown below are in: inches [millimeters] Part Weight per unit (gram): 0.0082 ©2000 Fairchild Semiconduct...
Page 7 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ FAST...

Manual Details

Brand Fairchild
Pages 7
File Size 221.92 KB
Published June 15, 2026
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Frequently Asked Questions

What is the maximum collector current for the BCV27?

The maximum collector current is 1.2 A continuous.

What is the DC current gain at a collector current of 100 mA?

The typical pulsed current gain (hFE) is 20,000 at I_C = 100 mA and V_CE = 5 V.

What is the operating and storage junction temperature range?

The operating and storage junction temperature range is -55°C to +150°C.

What package type is the BCV27 available in?

The BCV27 is available in the SOT-23 package, shipped in tape and reel.

What is the collector-emitter breakdown voltage?

The collector-emitter breakdown voltage (BV_CEO) is 30 V at I_C = 10 mA.