1.9
0.95 0.95
2.9
0.4
1.3
2.4
1.0
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-23 Plastic-Encapsulate Diodes
MMBD4148A/SE/CC/CA SWITCHING DIODE
FEATURES
Power dissipation
P
D : 350 mWTamb=25℃)
Forward Current
IF : 200 m A
Reverse Voltage
VR: 100 V ( IR=100μA )
Operating and storage junction temperature range
T
JTstg: -55 to +150
MMBD4148A Marking:5H MMBD4148CA Marking:D6 MMBD4148CC Marking:KD5 MMBD4148SE Marking:D4
ELECTRICAL CHARACTERISTICSTamb=25 unless otherwise specified
Parameter Symbol
Test conditions MIN MAX UNIT
Reverse breakdown voltage V(BR) IR= 100μA
IR= 5μA
100
75 V
Reverse voltage leakage current IR VR=25V
VR=75V 25
5 nA 
μA
Forward voltage VF IF=10mA 1 V
Diode capacitance CD VR=0 f=1MHz 4 pF
Reverse recovery time t rr IF =10mA V
R=6V
IRR=1.0mA RL=100Ω 4 ns 
Unit : mm
SOT23
SOT-23 PACKAGE OUTLINE DIMENSIONS
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
Min
0.900
0.000
0.900
0.300
0.080
2.800
1.200
2.250
1.800
0.300
Max
1.100
0.100
1.000
0.500
0.150
3.000
1.400
2.550
2.000
0.500
Min
0.035
0.000
0.035
0.012
0.003
0.110
0.047
0.089
0.071
0.012
Max
0.043
0.004
0.039
0.020
0.006
0.118
0.055
0.100
0.079
0.020
Dimensions In Millimeters Dimensions In Inches
0.037TPY
0.022REF
0.950TPY
0.550REF
D
E1
A1
A2
A
E
L1
L
b
e1
C
0.2
e
θ