CHENYI DL4454

Shanghai Lunsure Electronic
Technology Co.,Ltd
Tel:0086-21-37185008
Fax:0086-21-57152769
DL4454
Features
l
l
l
l
l
Silicon
Switching Diode
500 mW 75 Volt
Fast Switching Speed
Low Current Leakage
Low Cost
Compression Bond Construction
Surface Mount Application
Maximum Ratings
l Operation & Storage Temperature: -55oC to +150oC
l Maximum Thermal Resistance: 400K/W Junction
to Ambient
Electrical Characteristics @ 25oC Unless Otherwise Specified
Reverse Volt.
VR
50V
Peak Reverse Volt.
V RM
75V
Average Rectified Current
IO
Power Dissipation
P TOT
500mW
Junction Temperature
TJ
175 o C
Peak Forward Surge Current
I FSM
Maximum Instantaneous
Forward Volt.
VF
C
0.1uA
Typical Junction Capacitance
CJ
B
A
500mA 8.3ms, half sine
I FM=10mA;
1.0V
T J=25 o C
IR
T rr
Cathode Mark
Resistive Load
150mA f>50Hz
Maximum DC Reverse
Current At Rated DC Blocking
Volt.
Reverse Recovery Time
MINIMELF
DIMENSION
DIM
V R=50V
INCHES
MM
NOTE
MIN
MAX
MIN
MAX
T J=25 o C
A
B
.134
.008
.142
.016
3.40
0.20
3.60
0.40
2pF
Measured at
1.0MHz, V R=4.0V
C
.055
.059
1.40
1.50
4nS
I F=10mA V R=6V
I R=1mA
RL =100OHMS
SUGGESTED SOLDER
PAD LAYOUT
0.105
Pulse test: Pulse width 300 usec, Duty cycle 2%.
0.075”
0.030”
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DL4454
Figure 1
Typical Forward Characteristics
200
Figure 2
Forward Derating Curve
100
600
60
40
500
20
400
MilliAmps 10
6
300
MilliWatts
4
200
2
25°C
100
1
.6
0
.4
Single Phase, Half Wave
60Hz Resistive or Inductive Load
0
50
75
100
125
150
175
°C
.2
.1
.4
.6
.8
1.0
1.2
Admissable Power Dissipation - MilliWattsversus
Ambient Temperature - °C
1.4
Volts
Instantaneous Forward Current - Amperesversus
Instantaneous Forward Voltage - Volts
Figure 3
Junction Capacitance
10
6
4
2
pF
TJ=25°C
1
.6
.4
.2
.1
.1
.2
.4
1
Volts
2
4
10
20
40
100
200
Junction Capacitance - pFversus
Reverse Voltage - Volts
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400
1000
DL4454
Figure 4
Typical Reverse Characteristics
Figure 5
Peak Forward Surge Current
1000
600
600
400
500
200
400
100
300
60
MilliAmps
40
200
100
20
0
10
NanoAmps
6
1
2
4
8 10
20
40
60 80 100
Cycles
4
Peak Forward Surge Current - Amperesversus
Number Of Cycles At 60Hz - Cycles
2
1
TA=25°C
.6
TA=100°C
.4
.2
.1
6
20
40
60
80
100
120
140
TJ
Instantaneous Reverse Leakage Current - NanoAmperesversus
Junction Temperature - °C
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