COMCHIP CDSW4148

Surface Mount Switching Diodes
COMCHIP
www.comchip.com.tw
CDSW4148, CDSW4448
Voltage: 100 Volts
Power: 410 - 500 mW
SO D -123
FEATURES
. 071(1.80)
.098 (2.50)
. 055(1.40)
.110 (2.80)
. 053(1.35)
• High Conductance
. 019(0.50)
. 028(0.70)
• Electrically Identical to Standard JEDEC
. 037(0.95)
.154 (3.90)
.141 (3.60)
• Fast switching Speed
• Surface Mount Package Ideally Suited for Automatic Insertion
• Flat package SOD-123 in stead mini-MELF package.
. 008(0.20) Max.
MECHANICAL DATA
Case: SOD-123, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight:0.01 gram
.005 (.12) MAX.
.016 (.40)Min.
D ime ns ions in inc he s a nd ( millime te rs )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
PARAMETER
PARAMETER
SYMBOL
CDSW4148
CDSW4448
UNITS
VR
75
75
V
Peak Reverse Voltage
VRM
100
100
V
Maximum RMS Voltage
VRMS
50
50
V
Maximum DC Blocking Voltage
VDC
75
75
V
IAV
150
150
mA
Peak Forward Surge Current, 8.3ms single half sine-wave
superimposed on rated load (JEDEC method)
IFSM
2.0
4.0
A
Power Dissipation Derate Above 25OC
PTOT
410
500
mW
VF
1.0
-
1.0
0.72
V
IR
2.5
2.5
µA
Typical Junction Capacitance( Notes1)
CJ
4.0
4.0
pF
Maximum Reverse Recovery (Notes2)
TRR
4.0
4.0
ns
RθJA
450
450
Reverse Voltage
Maximum Average Forward Current at Ta=25OC
Maximum Forward Voltage
Maximum DC Reverse Current at Rated DC Blocking Voltage
TJ= 25OC
Maximum Thermal Resistance
Storage Temperature Range
@I F=10 mA
@I F=5 mA
TJ
-55 TO +125
O
C/W
O
C
NOTE:
1. CJ at VR=0, f=1MHZ
2.From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω
M D S 0208003A
P a ge 1
Surface Mount Switching Diodes
COMCHIP
www.comchip.com.tw
RATING AND CHARACTERISTIC CURVES (CDSW4148, CDSW4448)
10
TA=150OC
REVERSE CURRENT, mA
FORWARD CURRENT, mA
100
10
1.0
TA=125OC
1.0
TA=85OC
0.1
O
TA=55 C
0.01
TA=25OC
0.001
0.1
0.2
0.6
0.4
0.8
1.0
1.2
0
10
20
30
40
50
REVERSE VOLTAGE, Volts
FORWARD VOLTAGE, Volts
LEAKAGE CURRENT
FORWARD VOLTAGE
DIODE CAPACITANCE, pF
6.0
4.5
60 W
3.5
VRF=2V
2nF
5k W
Vo
1.5
0
0
2
4
6
8
RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT
REVERSE VOLTAGE, Volts
TYPICAL CAPATICANCE
MDS0208003A
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