BL
Galaxy Electrical
Surface mount switching diode
FEATURES
Fast switching speed.
High conductance.
Production specification
MMBD4148
Pb
Lead-free
For general purpose switching applications.
Surface mount package ideally suited
for automatic insertion.
APPLICATIONS
Small signal switching
SOT-23
ORDERING INFORMATION
Type No.
MMBD4148
Marking
KA2
Package Code
SOT-23
MAXIMUM RATING
@ Ta=25℃ unless otherwise specified
Parameter
Peak Repetitive Peak reverse voltage
Working Peak Reverse Voltage
DC Reverse Voltage
Symbol
V
RRM
V
RWM
V
R
Limits
75
Unit
V
Non-repetitive peak reverse voltage
RMS Reverse voltage
Forward Continuous Current
Power Dissipation
Storage temperature
V
RM
V
R(RMS)
I
FM
P
d
T
STG
100
53
300
350
-65-150
V
V
mA
mW
℃
Document number: BL/SSSDC120
Rev.A
www.galaxycn.com
1
BL
Galaxy Electrical
Surface mount switching diode
Production specification
MMBD4148
ELECTRICAL CHARACTERISTICS
@ Ta=25℃ unless otherwise specified
Parameter
Reverse breakdown voltage
Symbol
V
R(BR)
Min.
75
Typ.
Max.
Unit
Conditions
I
R
=100μA
Maximum Forward voltage
V
FM
0.715
0.855
1.0
1.25
2.5
25
2
4
V
I
F
=1.0mA
I
F
=10mA
I
F
=50mA
I
F
=150mA
V
R
=75V
V
R
=20V
V
R
=0V,f=1MHz
I
F
=I
R
=10mA,I
rr
=0.1*I
R,
R
L
=100Ω
Reverse current
Diode Capacitance
Reverse Recovery Time
I
R1
I
R2
C
D
t
rr
μA
nA
pF
ns
TYPICAL CHARACTERISTICS
@ Ta=25℃ unless otherwise specified
Document number: BL/SSSDC120
Rev.A
www.galaxycn.com
2
BL
Galaxy Electrical
Surface mount switching diode
PACKAGE OUTLINE
Plastic surface mounted package
Production specification
MMBD4148
SOT-23
SOT-23
A
E
Dim
A
B
C
D
E
G
G
Min
2.85
1.25
0.37
0.35
1.85
0.02
2.35
Max
2.95
1.35
0.43
0.48
1.95
0.1
2.45
K
B
1.0Typical
D
J
H
H
C
J
K
0.1Typical
All Dimensions in mm
SOLDERING FOOTPRINT
Unit : mm
PACKAGE INFORMATION
Device
MMBD4148
Package
SOT-23
Shipping
3000/Tape&Reel
Document number: BL/SSSDC120
Rev.A
www.galaxycn.com
3
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