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MMBT3904 Datasheet(PDF) 3 Page - General Semiconductor

Part No. MMBT3904
Description  Small Signal Transistors (NPN)
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Maker  GE [General Semiconductor]
Homepage  http://www.vishay.com
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MMBT3904 Datasheet(HTML) 3 Page - General Semiconductor

   
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MMBT3904
ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
SYMBOL
MIN.
MAX.
UNIT
Voltage Feedback Ratio
VCE = 10 V, IC = 1 mA, f = 1 kHz
hre
0.5 . 10Ð4
8 . 10Ð4
Ð
Small Signal Current Gain
at VCE = 10 V, IC = 1 mA, f = 1 kHz
hfe
100
400
Ð
Output Admittance
at VCE = 1 V, IC = 1 mA, f = 1 kHz
hoe
140
mS
Noise Figure
at VCE = 5 V, IC = 100
mA, RG = 1 kW,
f = 10 É 15000 Hz
NF
Ð
5
dB
Delay Time (see Fig. 1)
at IB1 = 1 mA, IC = 10 mA
td
Ð35
ns
Rise Time (see Fig. 1)
at IB1 = 1 mA, IC = 10 mA
tr
Ð35
ns
Storage Time (see Fig. 2)
at ÐIB1 = IB2 = 1 mA, IC = 10 mA
ts
Ð
200
ns
Fall Time (see Fig. 2)
at ÐIB1 = IB2 = 1 mA, IC = 10 mA
tf
Ð50
ns
Fig. 2: Test circuit for storage and fall time
* total shunt capacitance of test jig and connectors
Fig. 1: Test circuit for delay and rise time
* total shunt capacitance of test jig and connectors
0.59 (15)
0.2 (5)
0.03 (0.8)
0.30 (7.5)
0.12 (3)
.04 (1)
0.06 (1.5)
0.20 (5.1)
.08 (2)
.08 (2)
.04 (1)
0.47 (12)
Dimensions in inches and (millimeters)


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