BFG425W_15 Datasheet, PDF (2/12 Pages) Quanzhou Jinmei Electronic Co.,Ltd. – NPN 25 GHz wideband transistor

Philips Semiconductors
NPN 25 GHz wideband transistor
Product specification
BFG425W
FEATURES
• Very high power gain
• Low noise figure
• High transition frequency
• Emitter is thermal lead
• Low feedback capacitance.
PINNING
PIN
1
2
3
4
DESCRIPTION
emitter
base
emitter
collector
APPLICATIONS
• RF front end
• Wideband applications, e.g. analog and digital cellular
telephones, cordless telephones (PHS, DECT, etc.)
• Radar detectors
• Pagers
• Satellite television tuners (SATV)
• High frequency oscillators.
handbook, halfpage
3
4
2
Top view
1
MSB842
DESCRIPTION
NPN double polysilicon wideband transistor with buried
layer for low voltage applications in a plastic, 4-pin
dual-emitter SOT343R package.
Marking code: P5.
Fig.1 Simplified outline SOT343R.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
V_CBO
V_CEO
I_C
P_tot
h_FE
C_re
f_T
G_max
F
collector-base voltage open emitter
−
collector-emitter voltage open base
−
collector current (DC)
−
total power dissipation T_s ≤ 103 °C
−
DC current gain
I_C = 25 mA; V_CE = 2 V; T_j = 25 °C
50
feedback capacitance I_C = 0; V_CB = 2 V; f = 1 MHz
−
transition frequency
I_C = 25 mA; V_CE = 2 V; f = 2 GHz; T_amb = 25 °C −
maximum power gain I_C = 25 mA; V_CE = 2 V; f = 2 GHz; T_amb = 25 °C −
noise figure
I_C = 2 mA; V_CE = 2 V; f = 2 GHz; Γ_S = Γ_opt
−
−
10 V
−
4.5 V
25 30 mA
−
135 mW
80 120
95 −
fF
25 −
GHz
20 −
dB
1.2 −
dB
CAUTION
This product is supplied in anti-static packing to prevent damage caused by electrostatic discharge during transport
and handling. For further information, refer to Philips specs.: SNW-EQ-608, SNW-FQ-302A and SNW-FQ-302B.
1998 Mar 11
2