MBT3904DW Datasheet, PDF (3/10 Pages) E-Tech Electronics LTD – Dual General Purpose Transistors

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