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MMBT2222LT1 Datasheet, PDF (3/8 Pages) Motorola, Inc – General Purpose Transistors
MMBT2222LT1, MMBT2222ALT1
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
SMALL−SIGNAL CHARACTERISTICS
Output Admittance
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz)
(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz)
MMBT2222A
MMBT2222A
Collector Base Time Constant
(IE = 20 mAdc, VCB = 20 Vdc, f = 31.8 MHz)
MMBT2222A
Noise Figure
(IC = 100 mAdc, VCE = 10 Vdc, RS = 1.0 kW, f = 1.0 kHz) MMBT2222A
SWITCHING CHARACTERISTICS (MMBT2222A only)
Delay Time
Rise Time
(VCC = 30 Vdc, VBE(off) = − 0.5 Vdc,
IC = 150 mAdc, IB1 = 15 mAdc)
Storage Time
Fall Time
(VCC = 30 Vdc, IC = 150 mAdc,
IB1 = IB2 = 15 mAdc)
3. Pulse Test: Pulse Width v 300 ms, Duty Cycle v 2.0%.
4. fT is defined as the frequency at which |hfe| extrapolates to unity.
Symbol
Min
hoe
5.0
25
rb, Cc
−
NF
−
td
−
tr
−
ts
−
tf
−
Max
Unit
mmhos
35
200
ps
150
dB
4.0
10
ns
25
225
ns
60
+16 V
0
−2 V
SWITCHING TIME EQUIVALENT TEST CIRCUITS
1.0 to 100 ms,
DUTY CYCLE ≈ 2.0%
1 kW
< 2 ns
+30 V
200
CS* < 10 pF
+16 V
0
−14 V
1.0 to 100 ms,
DUTY CYCLE ≈ 2.0%
< 20 ns
1k
1N914
+30 V
200
CS* < 10 pF
Scope rise time < 4 ns
−4 V
*Total shunt capacitance of test jig, connectors, and oscilloscope.
Figure 1. Turn−On Time
Figure 2. Turn−Off Time
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