Datasheets
BFT31G4 by:

1000mA, 50V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18, HERMETIC SEALED, TO-18, 3 PIN

Part Details for BFT31G4 by TT Electronics Power and Hybrid / Semelab Limited

Overview of BFT31G4 by TT Electronics Power and Hybrid / Semelab Limited

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Applications Consumer Electronics Audio and Video Systems Entertainment and Gaming

Part Details for BFT31G4

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BFT31G4 Part Data Attributes

BFT31G4 TT Electronics Power and Hybrid / Semelab Limited
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BFT31G4 TT Electronics Power and Hybrid / Semelab Limited 1000mA, 50V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18, HERMETIC SEALED, TO-18, 3 PIN
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer SEMELAB LTD
Part Package Code BCY
Package Description CYLINDRICAL, O-MBCY-W3
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
Collector Current-Max (IC) 1 A
Collector-Emitter Voltage-Max 50 V
Configuration SINGLE
DC Current Gain-Min (hFE) 25
JEDEC-95 Code TO-18
JESD-30 Code O-MBCY-W3
JESD-609 Code e4
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 200 °C
Package Body Material METAL
Package Shape ROUND
Package Style CYLINDRICAL
Polarity/Channel Type NPN
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish GOLD
Terminal Form WIRE
Terminal Position BOTTOM
Transistor Application AMPLIFIER
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 95 MHz

Alternate Parts for BFT31G4

This table gives cross-reference parts and alternative options found for BFT31G4. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BFT31G4, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
BFT31.MODG4 Small Signal Bipolar Transistor, 1A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-206AA, HERMETIC SEALED, METAL, TO-18, 3 PIN TT Electronics Resistors BFT31G4 vs BFT31.MODG4
BFT31.MOD 1000mA, 50V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18, HERMETIC SEALED, TO-18, 3 PIN TT Electronics Power and Hybrid / Semelab Limited BFT31G4 vs BFT31.MOD
BFT31G4 Small Signal Bipolar Transistor, 1A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, HERMETIC SEALED, TO-18, 3 PIN TT Electronics Resistors BFT31G4 vs BFT31G4
BFT31 Small Signal Bipolar Transistor, 1A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, HERMETIC SEALED, TO-18, 3 PIN TT Electronics Resistors BFT31G4 vs BFT31
BFT31.MODG4 1000mA, 50V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-206AA, HERMETIC SEALED, METAL, TO-18, 3 PIN TT Electronics Power and Hybrid / Semelab Limited BFT31G4 vs BFT31.MODG4
Part Number Description Manufacturer Compare
BC559A Small Signal Bipolar Transistor, 0.1A I(C), 30V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 TDK Micronas GmbH BFT31G4 vs BC559A
2SD1207R Small Signal Bipolar Transistor, 2A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, MP, 3 PIN SANYO Electric Co Ltd BFT31G4 vs 2SD1207R
2N5450 Small Signal Bipolar Transistor, 0.8A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, Micro Electronics Corporation BFT31G4 vs 2N5450
2N2309 Small Signal Bipolar Transistor, 0.5A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-39, TO-39, 3 PIN Micro Electronics Corporation BFT31G4 vs 2N2309
2N2220LEADFREE Small Signal Bipolar Transistor, 35V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, Central Semiconductor Corp BFT31G4 vs 2N2220LEADFREE
BC179B Small Signal Bipolar Transistor, 0.2A I(C), 20V V(BR)CEO, 1-Element, PNP, Silicon, TO-18, Continental Device India Ltd BFT31G4 vs BC179B
PN5139 Small Signal Bipolar Transistor, 0.1A I(C), 20V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, TO-92, 3 PIN Central Semiconductor Corp BFT31G4 vs PN5139
BFY63E4 15V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-205AD, HERMETIC SEALED, METAL, TO-39, 3 PIN TT Electronics Power and Hybrid / Semelab Limited BFT31G4 vs BFY63E4
2SA1015-GR Small Signal Bipolar Transistor, 0.15A I(C), 50V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, PLASTIC PACKAGE-3 Micro Commercial Components BFT31G4 vs 2SA1015-GR
2N2309 Small Signal Bipolar Transistor, 0.5A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-5, TO-5, 3 PIN Semitronics Corp BFT31G4 vs 2N2309

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