BFY81 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – Dual, High-Gain, Low-noise, low-current type

SILICON DUAL MATCHED
NPN TRANSISTORS
BFY81
• Dual Silicon Matched Planar Transistors
• Hermetic TO-77 (MO-002AF) Metal Package.
• Ideally Suited For Differential And Low Level Dc Amplifiers
• Screening Options Available.
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated)
VCBO _{Collector – Base Voltage}
45V
VCEO _{Collector – Emitter Voltage}
45V
VEBO _{Emitter – Base Voltage}
6V
IC
Continuous Collector Current
50mA
PD
Total Power Dissipation at ^{TA = 25°C}
One Side
400mW
Both Sides
500mW
Derate Above 25°C 2.3mW/°C
2.9mW/°C
PD
Total Power Dissipation at ^{TC = 25°C}
800mW
1.3W
Derate Above 25°C 4.6mW/°C
7.4mW/°C
TJ
Junction Temperature Range
-65 to +200°C
Tstg
Storage Temperature Range
-65 to +200°C
THERMAL PROPERTIES
Symbols Parameters
R_θJA
Thermal Resistance, Junction To Ambient
R_θJC
Thermal Resistance, Junction To Case
One Side Max.
437
219
Both Sides Max. Units
350
°C/W
135
°C/W
Semelab Limited reserves the right to change test conditions, parameter limits and package dimensions without notice.
Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However
Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to
verify that datasheets are current before placing orders.
Semelab Limited
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Document Number 8502
Issue 1
Page 1 of 3