MBT3904DW1T1, MBT3906DW1T1, MBT3946DW1T1
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Max
Unit
Input Impedance
h ie
k Ω
(V CE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)
MBT3904DW1T1 (NPN)
1.0
2.0
10
12
(V CE = –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) MBT3906DW1T1 (PNP)
Voltage Feedback Ratio
h re
h fe
h oe
NF
X 10 –4
(V CE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)
MBT3904DW1T1 (NPN)
0.5
0.1
8.0
10
(V CE = –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) MBT3906DW1T1 (PNP)
Small–Signal Current Gain
—
(V CE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)
MBT3904DW1T1 (NPN)
100
100
400
400
(V CE = –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) MBT3906DW1T1 (PNP)
Output Admittance
µmhos
dB
(V CE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)
MBT3904DW1T1 (NPN)
1.0
3.0
40
60
(V CE = –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) MBT3906DW1T1 (PNP)
Noise Figure
(V CE = 5.0 Vdc, I C = 100 µAdc,
R S = 1.0 k W, f = 1.0 kHz)
MBT3904DW1T1 (NPN)
—
—
5.0
4.0
(V CE = –5.0 Vdc, I C = –100 µAdc,
R S = 1.0 k W, f = 1.0 kHz)
MBT3906DW1T1 (PNP)
SWITCHING CHARACTERISTICS
Delay Time (V CC = 3.0 Vdc, V BE = –0.5 Vdc)
(V CC = –3.0 Vdc, V BE = 0.5 Vdc)
Rise Time (I C = 10 mAdc, I B1 = 1.0 mAdc)
(I C = –10 mAdc, I B1 = –1.0 mAdc)
MBT3904DW1T1 (NPN)
MBT3906DW1T1 (PNP)
MBT3904DW1T1 (NPN)
MBT3906DW1T1 (PNP)
t d
t r
t s
t f
—
—
—
—
—
—
—
—
35
35
ns
ns
ns
ns
35
35
Storage Time (V CC = 3.0 Vdc, I C = 10 mAdc) MBT3904DW1T1 (NPN)
200
225
50
(V CC = –3.0 Vdc, I C = –10 mAdc)
Fall Time (I B1 = I B2 = 1.0 mAdc)
(I B1 = I B2 = –1.0 mAdc)
MBT3906DW1T1 (PNP)
MBT3904DW1T1 (NPN)
MBT3906DW1T1 (PNP)
70
MBT3904–3/12
ETL [ E-TECH ELECTRONICS LTD ]
