LESHAN RADIO COMPANY, LTD.
MMBTA55LT1 MMBTA56LT1
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
ON CHARACTERISTICS
DC Current Gain
(I C = –10 mAdc, V CE = –1.0 Vdc)
(I C = –100mAdc, V CE = –1.0 Vdc)
Collector–Emitter Saturation Voltage
(I C = –100mAdc, I B = –10mAdc)
Base–Emitter On Voltage
(I C = –100mAdc, V CE = –1.0Vdc)
hFE
VCE(sat)
V BE(on)
100
100
—
—
Max
—
—
–0.25
–1.2
SMALL–SIGNAL CHARACTERISTICS
Current –Gain–Bandwidth Product(4)
(V CE = –1.0 Vdc, I C = –100mAdc, f = 100 MHz)
fT
50
—
4. f T is defined as the frequency at which |h f e | extrapolates to unity.
Unit
—
Vdc
Vdc
MHz
M29–2/2