MMBT4401 Datasheet, PDF (3/3 Pages) Transys Electronics – NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR

MMBT4401
ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
Small Signal Current Gain
at VCE = 10 V, IC = 1 mA, f = 1 kHz
Output Admittance
at VCE = 10 V, IC = 1 mA, f = 1 kHz
Delay Time (see Fig. 1)
at IB1 = 15 mA, IC = 150 mA
VCC = 30 V, VBE = 40 V
Rise Time (see Fig. 1)
at IB1 = 15 mA, IC = 150 mA
VCC = 30 V, VBE = 40 V
Storage Time (see Fig. 2)
at IB1 = IB2 = 15 mA, IC = 150 mA
VCC = 30 V, IC = 150 mA
Fall Time (see Fig. 2)
at IB1 = IB2 = 15 mA, IC = 150 mA
VCC = 30 V, IC = 150 mA
SYMBOL
hfe
MIN.
40
hoe
1.0
td
Ð
tr
Ð
ts
Ð
tf
Ð
MAX.
500
30
15
UNIT
Ð
mS
ns
20
ns
225
ns
30
ns
SWITCHING TIME EQUIVALENT TEST CIRCUIT
FIGURE 1 - TURN-ON TIME
+16 V
0
-2 V
1.0 to 100 ms, DUTY CYCLE Å 2%
1kW
< 2 ns
+30V
200W
CS* < 10 pF
Scope rise time < 4ns
*Total shunt capacitance of test jig,
connectors and oscilloscope
+16 V
0
-14 V
FIGURE 2 - TURN-OFF TIME
1.0 to 100 ms, DUTY CYCLE Å 2%
+30V
200W
< 20 ns
1kW
-4 V
CS* < 10 pF