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2N4921 Datasheet, PDF (3/8 Pages) ON Semiconductor – 1 AMPERE GENERAL PURPOSE POWER TRANSISTORS 30 WATTS
2N4921 thru 2N4923
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ELECTRICAL CHARACTERISTICS (TC = 25_C unless otherwise noted)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic
Symbol
Min
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ OFF CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Collector–Emitter Sustaining Voltage (3)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (IC = 0.1 Adc, IB = 0)
VCEO(sus)
2N4921
40
2N4922
60
2N4923
80
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Collector Cutoff Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (VCE = 20 Vdc, IB = 0)
(VCE = 30 Vdc, IB = 0)
Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (VCE = 40 Vdc, IB = 0)
ICEO
2N4921
—
2N4922
—
2N4923
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Collector Cutoff Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (VCE = Rated VCEO, VEB(off) = 1.5 Vdc)
(VCE = Rated VCEO, VEB(off) = 1.5 Vdc, TC = 125_C
ICEX
—
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Collector Cutoff Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (VCB = Rated VCB, IE = 0)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Emitter Cutoff Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (VEB = 5.0 Vdc, IC = 0)
ICBO
—
IEBO
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ON CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Current Gain (3)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (IC = 50 mAdc, VCE = 1.0 Vdc)
(IC = 500 mAdc, VCE = 1.0 Vdc)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (IC = 1.0 Adc, VCE = 1.0 Vdc)
hFE
40
30
10
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Collector–Emitter Saturation Voltage (3)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (IC = 1.0 Adc, IB = 0.1 Adc)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Base–Emitter Saturation Voltage (3)
(IC = 1.0 Adc, IB = 0.1 Adc)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Base–Emitter On Voltage (3)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (IC = 1.0 Adc, VCE = 1.0 Vdc)
VCE(sat)
—
VBE(sat)
—
VBE(on)
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SMALL–SIGNAL CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Current–Gain — Bandwidth Product (IC = 250 mAdc, VCE = 10 Vdc, f = 1.0 MHz)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Capacitance (VCB = 10 Vdc, IE = 0, f = 100 kHz)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Small–Signal Current Gain (IC = 250 mAdc, VCE = 10 Vdc, f = 1.0 kHz)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (3) Pulse Test: PW ≈ 300 µs, Duty Cycle ≈ 2.0%.
fT
3.0
Cob
—
hfe
25
Max
Unit
Vdc
—
—
—
mAdc
0.5
0.5
0.5
mAdc
0.1
0.5
0.1
mAdc
1.0
mAdc
—
—
150
—
0.6
Vdc
1.3
Vdc
1.3
Vdc
—
MHz
100
pF
—
—
*Indicates JEDEC Registered Data.
APPROX
+11 V
Vin
TURN-ON PULSE
t1
VBE(off)
VCC
RC
Vin RB
CjdĂ<<ĂCeb
5.0
3.0
2.0
VCC = 30 V
IC/IB = 10, UNLESS NOTED
IC/IB = 20
TJ = 25°C
VCC = 60 V
TJ = 150°C
1.0
0.7
APPROX
+11 V
Vin
t2
TURN-OFF PULSE
t3
SCOPE
APPROX 9.0 V
0.5
-ā4.0 V
t1 ≤ 15 ns
100 < t2 ≤ 500 µs
VCC = 30 V
0.3 td
0.2
t3 ≤ 15 ns
0.1
DUTY CYCLE ≈ 2.0% 0.07
RB and RC varied to 0.05
VCC = 30 V
VBE(off) = 0
obtain desired
10
20 30
tr
VCC = 60 V
VBE(off) = 2.0 V
50 70 100 200 300
500 700 1000
current levels
IC, COLLECTOR CURRENT (mA)
Figure 2. Switching Time Equivalent Circuit
Figure 3. Turn–On Time
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