BF840 Datasheet, PDF (1/2 Pages) NXP Semiconductors – NPN medium frequency transistor

NPN Silicon RF Transistors
q Suitable for common emitter RF, IF amplifiers
q Low collector-base
capacitance due to contact shield diffusion
q Low output conductance
BF 840
BF 841
Type
BF 840
BF 841
Marking
NC
ND
Ordering Code
Q62702-F1240
Q62702-F1287
Pin Configuration
1
2
3
B
E
C
Package¹⁾
SOT-23
Maximum Ratings
Parameter
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation, TA ≤ 25 ˚C²⁾
Junction temperature
Storage temperature range
Thermal Resistance
Junction - ambient²⁾
Symbol
VCE0
VCB0
VEB0
IC
IB
Ptot
Tj
Tstg
Values
Unit
40
V
40
4
25
mA
2
280
mW
150
˚C
– 65 … + 150
Rth JA
≤ 450
K/W
1) _{For detailed information see chapter Package Outlines.}
2) _{Package mounted on alumina 15 mm × 16.7 mm × 0.7 mm.}
Semiconductor Group
1
07.94