MPS2222, MPS2222A
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3
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Max Unit
SMALL–SIGNAL CHARACTERISTICS
Current–Gain – Bandwidth Product (Note 2.)
(IC = 20 mAdc, VCE = 20 Vdc, f = 100 MHz) MPS2222
MPS2222A
fT250
300 –
–
MHz
Output Capacitance (VCB = 10 Vdc, IE = 0, f = 1.0 MHz) Cobo – 8.0 pF
Input Capacitance
(VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) MPS2222
MPS2222A
Cibo –
–30
25
pF
Input Impedance
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
hie 2.0
0.25 8.0
1.25
kΩ
Voltage Feedback Ratio
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
hre –
–8.0
4.0
X 10–4
Small–Signal Current Gain
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
hfe 50
75 300
375
–
Output Admittance
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS2222A
hoe 5.0
25 35
200
mhos
Collector Base Time Constant
(IE = 20 mAdc, VCB = 20 Vdc, f = 31.8 MHz) MPS2222A rb′Cc– 150 ps
Noise Figure
(IC = 100 Adc, VCE = 10 Vdc, RS = 1.0 kΩ, f = 1.0 kHz) MPS2222A
NF – 4.0 dB
SWITCHING CHARACTERISTICS MPS2222A only
Delay Time (VCC = 30 Vdc, VBE
off
= –0.5 Vdc, td– 10 ns
Rise Time
,
.
,
IC = 150 mAdc, IB1 = 15 mAdc) (Figure 1) tr– 25 ns
Storage Time (VCC = 30 Vdc, IC = 150 mAdc, ts– 225 ns
Fall Time
,
,
IB1 = IB2 = 15 mAdc) (Figure 2) tf– 60 ns
2. fT is defined as the frequency at which |hfe| extrapolates to unity.
Figure 1. Turn–On Time Figure 2. Turn–Off Time
SWITCHING TIME EQUIVALENT TEST CIRCUITS
Scope rise time < 4 ns
*Total shunt capacitance of test jig, connectors, and oscilloscope.
+16 V
-2 V < 2 ns
0
1.0 to 100 µs,
DUTY CYCLE ≈ 2.0%
1 kΩ
+30 V
200
CS* < 10 pF
+16 V
-14 V
0
< 20 ns
1.0 to 100 µs,
DUTY CYCLE ≈ 2.0%
1 k
+30 V
200
CS* < 10 pF
-4 V
1N914