
1. Product profile
1.1 General description
NPN silicon planar epitaxial transistor in a 4-pin dual-emitter SOT143R plastic package.
1.2 Features and benefits
High power gain
Low noise figure
High transition frequency
Gold metallization ensures excellent reliability
1.3 Applications
Intended for Radio Frequency (RF) front end applications in the GHz range, such as:
analog and digital cellular telephones
cordless telephones (Cordless Telephone (CT), Personal Communication
Network (PCN), Digital Enhanced Cordless Telecommunications (DECT), etc.)
radar detectors
pagers
Satellite Antenna TeleVision (SATV) tuners
repeater amplifiers in fiber-optic systems
1.4 Quick reference data
Table 1.
Symbol Parameter
V
CBO
collector-base voltage
V
CEO
collector-emitter voltage
I
C
collector current (DC)
P
tot
total power dissipation
h
FE
DC current gain
BFG325/XR
NPN 14 GHz wideband transistor
Rev. 2 — 15 September 2011
Product data sheet
Quick reference data
Conditions
open emitter
open base
Min
-
-
-
Typ
-
-
-
-
100
Max
15
6
35
210
200
Unit
V
V
mA
mW
T
sp
90
C
I
C
= 15 mA; V
CE
= 3 V;
T
j
= 25
C
V
CB
= 5 V; f = 1 MHz;
emitter grounded
I
C
= 15 mA; V
CE
= 3 V;
f = 1 GHz; T
amb
= 25
C
[1]
-
60
C
CBS
collector-base
capacitance
transition frequency
-
0.26
0.4
pF
f
T
-
14
-
GHz