WEITRON
http://www.weitron.com.tw
MMBTA55
MMBTA56
ON CHARACTERISTICS
DC C urrent Gain
(IC = -10 mAdc, VC E
= -1.0 Vdc)
(IC = -100 mAdc, VC E
= -1.0 Vdc)
hF E -100
-100
-
-
-
-
C ollector- E mitter S aturation Voltage
(IC = -100 mAdc, IB = -10 mAdc) VC E (s at) --0.25 V dc
B ase- E mitter On Voltage
(IC = -100 mAdc, VC E
= -1.0 Vdc) VB E (on) --1.2 V dc
SMALL-SIGNAL CHARACTERISTICS
C urrent- G ain - B andwidth P roduct (4)
(IC = -100 mA, VC E = -1.0 V, f = 100 MHz) fT50 -MHz
FIG1. Switching Time Test Circuits
OUTPUT
TURN-ON TIME
-1.0 V VCC
+40 V
RL
* CS 6.0 pF
RB
100
100
Vin
5.0 F
tr
= 3.0 n s
0
+10 V
5.0
OUTPUT
TURN-OFF TIME
+V
BB VCC
+40 V
RL
* CS 6.0 pF
RB
100
100
Vin
5.0 uF
tr
= 3.0 ns
5.0 s
*Total S hunt C apacitance of Test J ig and C onnectors
F or P NP Test C ircuits, R everse All Voltage P olarities
FIG2. Current-Gain - Bandwidth Product
-100 -200-2.0
IC, COLLECTOR CURRENT (mA)
300
200
100
70
50
30
VCE = -2.0 V
TJ = 25 C
-3.0 -5.0 -7.0 -10 -20 -30 -50 -70
fT, CURRENT-GAIN - BANDWIDTH PRODUCT (MHz)
us
-
-
-
-
ELECTRICAL CHARACTERISTICS (TA= 25 C unless otherwise noted)
C haracteris tic S ymbol Min Max Unit
u
u