http://www.weitron.com.tw
WEITRON
SOT-23
1
2
3
MMBTA55
VCEO
u
MMBTA55 MMBTA56
-60
-60
-4.0
-80
-80
-4.0
MMBTA55=2H, MMBTA56=2GM
MMBTA55
MMBTA56
MMBTA55
MMBTA56
MMBTA55
MMBTA56
(3)
0
0
I =0)
B
-60
-80
-60
-80
-4.0
S-0.1 u
-0.1
-0.1
-6
-8
3.Pulse Test:Pulse Width 300us, Duty Cycle 2.0%
4. f is defined as the freguency at which hfeextrapolates to unity
T
MMBTA56
<
_<
_
Driver PNP
-5
-
-
-
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
WEITRON
http://www.weitron.com.tw
MMBTA55
MMBTA56
FIG4. Switching Time
-20-10
IC, COLLECTOR CURRENT (mA)
200
100
50
20
10 -100
t, TIME (ns)
-50 -200 -500
1.0 k
500
VCC = 40 V
IC/I
B = 10
IB1 = IB2
TJ = 25 C
ts
tf
tr
-5.0 -7.0
30
70
300
700
-30 -70
td @ V BE(off) = 0.5 V
-300
FIG6. ON Voltages
FIG7. Collector Saturation Region FIG8. Base-Emitter Temperature
Coefficient
-100 -500-0.5
IC, COLLECTOR CURRENT (mA)
-0.8
-1.2
-1.6
-2.0
-2.4
-2.8
RVB , TEMPERATURE COEFFICIENT (mV/ C)
-10
RVB for VBE
-1.0 -2.0 -5.0 -20 -50 -200
""
FIG.3 Capacitance
VR, REVERSE VOL TAGE (VOLTS)
-1.0 -100-0.1
100
70
50
30
20
10
-2.0
C, CAPACITANCE (pF)
7.0
5.0 -0.2 -0.5 -5.0 -10 -20 -50
TJ = 25 C
Cibo
Cobo
FIG.5 DC Current Gain
-2.0 -500-0.5
IC, COLLECTOR CURRENT (mA)
400
200
100
80
60
40
-10
, DC CURRENT GAIN
TJ = 125 C
-1.0 -5.0
VCE = -1.0 V
-20 -100-50 -200
hFE
25 C
-55 C
V, VOLTAGE (VOLTS)
-10 -500-1.0
IC, COLLECTOR CURRENT (mA)
-1.0
-0.8
-0.6
-0.4
-0.2
0
-100
TJ = 25 C
VBE(sat) @ I C/IB
= 10
VCE(sat) @ I C/IB
= 10
VBE(on)
@ VCE = -1.0 V
-0.5 -2.0 -5.0 -200-20 -50
IB, BASE CURRENT (mA)
, COLLECTOR-EMITTER VOLTAGE (VOLTS)VCE
-0.1 -10-0.05
-1.0
-0.8
-0.6
-0.4
-0.2
0
-1.0
TJ = 25 C
-50
IC =
-100 mA
IC =
-50 mA
IC =
-250 mA
IC =
-500 mA
IC =
-10 mA
-20-2.0 -5.0-0.2 -0.5
MMBTA55
MMBTA56
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
Max
0.51
1.80
3.00
1.05
1.00
2.10
3.10
0.13
1.60
0.61
0.25
A
B
D
EG
M
L
H
J
TOP VIE W
K
C
SOT-23 Package Outline Dimensions Unit:mm
WEITRON
http://www.weitron.com.tw