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Technology Co.,Ltd
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Fax:0086-21-57152769
MMBD4148
Features
•
•
•
Low Current Leakage
Low Cost
Small Outline Surface Mount Package
C
Pin Configuration
Top View
350mW 100 Volt
Silicon Epitaxial Diode
KA2
A
A
D
SOT-23
•
•
•
Maximum Ratings
Operating Temperature: -55°C to +150°C
Storage Temperature: -55°C to +150°C
Maximum Thermal Resistance; 357K/W Junction To Ambient
G
F
E
C
B
Electrical Characteristics @ 25°C Unless Otherwise Specified
Reverse Voltage
Peak Reverse
Voltage
Average Rectified
Current
Power Dissipation
Junction
Temperature
Peak Forward Surge
Current
Maximum
Instantaneous
Forward Voltage
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
Typical Junction
Capacitance
Reverse Recovery
Time
V
R
V
RM
I
O
P
TOT
T
J
I
FSM
75V
100V
150mA
350mW
150°C
1A
t=1s,Non-Repetitive
Resistive Load
f > 50Hz
H
J
DIMENSIONS
INCHES
MIN
.110
.083
.047
.035
.070
.018
.0005
.035
.003
.015
MM
MIN
2.80
2.10
1.20
.89
1.78
.45
.013
.89
.085
.37
V
F
.855V
I
FM
= 10mA;
T
J
= 25°C*
T
J
= 25°C
V
R
= 20 V
DIM
A
B
C
D
E
F
G
H
J
K
MAX
.120
.098
.055
.041
.081
.024
.0039
.044
.007
.020
MAX
3.04
2.64
1.40
1.03
2.05
.60
.100
1.12
.180
.51
NOTE
I
R
25nA
Suggested Solder
Pad Layout
.031
.800
.035
.900
.079
2.000
inches
mm
Measured at
1.0MHz, V
R
=0V
T
rr
4nS
I
F
=10mA
V
R
= 6V
R
L
=100Ω
*Pulse test: Pulse width 300
µsec,
Duty cycle 2%
C
J
2pF
.037
.950
.037
.950
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MMBD4148
Figure 1
Typical Forward Characteristics
20
10
6
4
350
2
MilliAmps 1
.6
.4
.2
25°C
.1
.06
.04
.02
.01
.4
.6
.8
Volts
Instantaneous Forward Current - Amperes
versus
Instantaneous Forward Voltage - Volts
1.0
1.2
1.4
0
70
Single Phase, Half Wave
60Hz Resistive or Inductive Load
0
50
75
100
°C
Admissable Power Dissipation - MilliWatts
versus
Ambient Temperature -
°C
125
150
175
280
420
Figure 2
Forward Derating Curve
210
MilliWatts
140
Figure 3
Junction Capacitance
10
6
4
2
pF
1
.6
.4
.2
.1
.1
.2
.4
1
Volts
2
4
10
20
40
100
200
400
1000
T
J
=25°C
Junction Capacitance - pF
versus
Reverse Voltage - Volts
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MMBD4148
Figure 4
Typical Reverse Characteristics
1000
600
400
200
100
60
40
20
10
NanoAmps
6
4
2
1
.6
.4
.2
.1
20
40
60
T
J
Instantaneous Reverse Leakage Current - NanoAmperes
versus
Junction Temperature -
°C
80
100
120
140
T
A
=25°C
200
0
1
4
6
8 10
Cycles
Peak Forward Surge Current - Amperes
versus
Number Of Cycles At 60Hz - Cycles
20
40
60 80 100
MilliAmps
Figure 5
Peak Forward Surge Current
1200
1000
800
600
400
2
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