LMBT3946DW1T1 Datasheet, PDF (3/11 Pages) Leshan Radio Company – Dual General Purpose Transistors

LESHAN RADIO COMPANY, LTD.
ELECTRICAL CHARACTERISTICS(T_A=25°C unless otherwise noted)
Characteristic
Symbol
SMALL–SIGNAL CHARACTERISTICS
Current–Gain – Bandwidth Product
fT
(IC = 10 mAdc, VCE = 20 Vdc, f = 100 MHz)
(NPN)
(IC = –10 mAdc, VCE = –20 Vdc, f = 100 MHz) (PNP)
Output Capacitance
Cobo
(VCB = 5.0 Vdc, IE = 0, f = 1.0 MHz)
(NPN)
(VCB = –5.0 Vdc, IE = 0, f = 1.0 MHz)
(PNP)
Input Capacitance
Cibo
(VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz)
(NPN)
(VEB = –0.5 Vdc, IC = 0, f = 1.0 MHz)
(PNP)
Input Impedance
h_ie
(V_CE = 10 Vdc, I_C = 1.0 mAdc, f = 1.0 kHz)
(NPN)
(V
CE
=
–10
Vdc,
IC
=
–1.0
mAdc,
f
=
1.0
kHz)
(PNP)
Voltage Feedback Ratio
h_re
(V_CE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz)
(NPN)
(V_CE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) (PNP)
Small–Signal Current Gain
h
FE
(V_CE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz)
(NPN)
(V_CE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) (PNP)
Output Admittance
h_oe
(V
CE
=
10
Vdc,
IC
=
1.0
mAdc,
f
=
1.0
kHz)
(NPN)
(V_CE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) (PNP)
Noise Figure
NF
(V =5.0
CE
Vdc,IC=100
µAdc,
R =1.0
S
kΩ,
f=1.0kHz)
(NPN)
–
(V_CE=–5.0 Vdc,IC=–100 µAdc, R_S=1.0 kΩ, f=1.0kHz) (PNP)
–
SWITCHING CHARACTERISTICS
Delay Time (V_CC = 3.0 Vdc, V_BE = –0.5 Vdc) (NPN)
t_d
(V = –3.0 Vdc, V = 0.5 Vdc) (PNP)
CC
BE
Rise Time (I_C = 10 mAdc, I_B1 = 1.0 mAdc)
(NPN)
t_r
(I_C = –10 mAdc, I_B1 = –1.0 mAdc) (PNP)
Storage Time (V_CC = 3.0 Vdc, I_C = 10 mAdc)
(NPN)
t_s
(V_CC = –3.0 Vdc, I_C = –10 mAdc) (PNP)
Fall Time
(I_B1 = I_B2 = 1.0 mAdc)
(NPN)
t_f
(I = I = –1.0 mAdc)
B1 B2
(PNP)
LMBT3946DW1T1
Min Max Unit
MHz
300
–
250
–
pF
–
4.0
–
4.5
pF
–
8.0
–
10.0
kΩ
1.0
10
2.0
12
X 10^–4
0.5
8.0
0.1
10
–
100 400
100 400
µmhos
1.0
40
3.0
60
dB
5.0
4.0
–
35
–
35
ns
–
35
–
35
–
200
–
225
ns
–
50
–
75
LMBT3946DW1T1 3/11