LESHAN RADIO COMPANY, LTD.
BCX70GLT1 BCX70JLT1 BCX70KLT1
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
ON CHARACTERISTICS
DC Current Gain
hFE
( IC= 10 µAdc, VCE = 5.0 Vdc )
BCX70G
––
BCX70J
40
BCX70K
100
( IC= 2.0 mAdc, VCE = 5.0 Vdc )
BCX70G
120
BCX70J
250
BCX70K
380
( IC= 50 mAdc, VCE = 1.0 Vdc )
BCX70G
60
BCX70J
90
BCX70K
100
Collector–Emitter Saturation Voltage
( IC = 50 mAdc, IB = 1.25 mAdc )
( IC = 10 mAdc, IB = 0.25mAdc )
Base–Emitter Saturation Voltage
( IC = 50 mAdc, IB = 1.25 mAdc )
( IC = 50 mAdc, IB = 0.25mAdc )
Base–Emitter On Voltage
( IC = 2.0 mAdc, V CE = 0.5Vdc )
V CE(sat)
V BE(sat)
V BE(on)
—
—
0.7
0.6
0.55
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product
(I C = 10mAdc, V CE = 5.0 Vdc, f = 100 MHz)
fT
125
Output Capacitance
(V CB = 10 Vdc, I C = 0, f = 1.0 MHz)
C obo
—
Small–Signal Current Gain
hFE
(I C = 2.0 mAdc, V CE = 5.0 Vdc, f = 1.0 kHz) BCX70G
125
BCX70J
250
BCX70K
350
Noise Figure
NF
—
(V CE = 5.0 Vdc, I C = 0.2 mAdc, R S = 2.0 kΩ, f = 1.0 kHz, BW = 200 Hz)
SWITCHING CHARACTERISTICS
Turn–On Time
( I C= 10 mAdc; I B1= 1.0 mAdc )
t on
—
Turn–Off Time
t off
—
( I B2= 1.0 mAdc; V BB =3.6Vdc; R 1 = R 2 = 5.0 kΩ ; R L =990Ω )
Max
Unit
—
—
––
––
220
460
630
—
––
––
Vdc
0.55
0.35
Vdc
1.05
0.85
0.75
Vdc
—
MHz
4.5
pF
—
250
500
700
6.0
dB
150
ns
800
ns
300 ns
DUTY CYCLE = 2%
– 0.5 V
EQUIVALENT SWITCHING TIME TEST CIRCUITS
+10.9 V 10 k
<1.0 ns
+3.0 V
275
10 < t 1 < 500 µs t 1
DUTY CYCLE = 2%
0
+10.9 V
10 k
C S < 4.0 pF*
– 9.1 V
<1.0 ns
1N916
*Total shunt capacitance of test jig and connectors
+3.0 V
275
C S < 4.0 pF*
Figure 1. Turn–On Time
Figure 2. Turn–Off Time
M16–2/6