BFQ540
BFQ540 is NPN wideband dual transistor manufactured by NXP Semiconductors.
description
NPN wideband transistor in a SOT89 plastic package.
1.2 Features and benefits
- High gain
- High output voltage
- Low noise
- Gold metallization ensures excellent reliability
- Low thermal resistance.
1.3 Applications
- VHF, UHF and CATV amplifiers.
1.4 Quick reference data
Table 1. Symbol VCBO VCES VEBO IC Ptot h FE f T
s212
Quick reference data
Parameter
Conditions collector-base voltage open emitter collector-emitter voltage RBE = 0 emitter-base voltage open collector collector current (DC) total power dissipation DC current gain transition frequency insertion power gain noise figure
Ts 60 C
IC = 40 m A; VCE = 8 V; Tj = 25 C
IC = 40 m A; VCE = 8 V; f = 1 GHz; Tamb = 25 C
IC = 40 m A; VCE = 8 V; f = 900 MHz; Tamb = 25 C
IC = 40 m A; VCE = 8 V; f = 900 MHz; S = opt
[1] Ts is the temperature at the soldering point of the collector pin.
Min Typ Max Unit
20 V
15 V
2.5 V
120 m A
[1]
1.2 W
100 120 250
GHz
12 13 d B
1.9 2.4 d B
NXP Semiconductors
NPN wideband transistor
2. Pinning information
Table 2. Pin 1 2 3
Pinning Description emitter collector...