Small Signal Switching Diodes
Reverse Voltage: 75 Volts
Power Dissipation: 400 mW
RoHS Device
Page 1
REV:A
Features
-Design for mounting on small surface.
-High speed switching.
-High mounting capability, strong surge
withstand, high reliability.
-Also available in other standard case:
CDSN4448 - 1206 size
CDSF4448 - 1005 size
CDSU4448 - 0603 size
Mechanical data
-Case: SOD-123, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: indicated by cathode band.
-Approx. weight: 0.01 grams
CDSW4448-G
Maximum Ratings and Electrical Characteristics
Dimensions in inches and (millimeter)
QW-B0013
Comchip Technology CO., LTD.
Repetitive peak reverse voltage
Reverse voltage
Forward current
Peak surge forward current
Power dissipation
Maximum forward voltage
Maximum reverse current
Maximum reverse recovery time
Typical diode capacitance
Maximum junction temperature
Storage temperature
UnitsSymbolParameter
VRRM
VR
IFM
IFSM
PD
VF
IR
Trr
CJ
TJ
TSTG
Conditions
T=1.0 μS
@IF=5mA
@IF=10mA
@IF=100mA
@VR=75V
@VR=25V
IF=10mA, RL=100Ω
VR=0V, f=1.0MHz
@IF=150mA
75
75
500
4
400
0.72
0.855
1
1.25
2.5
0.025
4
4
125
-55 to +125
V
V
mA
A
mW
V
μA
nS
pF
OC
OC
Value
SOD-123
0.028(0.70)
0.019(0.50)
0.110(2.80)
0.098(2.50)
0.071(1.80)
0.055(1.40)
0.154(3.90)
0.141(3.60)
0.053(1.35)
0.037(0.95) 0.008(0.20)
Max.
0.016(0.40)
Min.
0.005(0.12)
Max.
(at Ta=25°C unless otherwise noted)
QW-B0013
RATING AND CHARACTERISTIC CURVES (CDSW4448-G)
Forward Voltage, (V)
1.00.80.40
Fig.1 - Forward Characteristics
0.1
1
10
100
Fra d u rent, mA)
ow r C r (
Reverse Voltage, (V)
0
Fig.2 Reverse Characteristics -
0.1n
e e se C rrent, (A)
R v r u
1n
10n
100n
10μ
40
Reverse Voltage, (V)
0
Fig.3 Capacitance Between Terminals -
Characteristics
0
Capac ta c Bet eenTermin ls, (p )
i n e w a F
2
4
3 6
Ambient Temperature, (°C)
Fig.4 Power Derating Curve -
0
Power Dissipation, (mW)
300
600
Comchip Technology CO., LTD.
Page 2
REV:A
60 100
0 100 175
20 80
200
1 25 50 75 150125
400
1μ
42
Small Signal Switching Diodes
100
500
Mounted on glass
epoxy PCBs
0.2 0.6
O
TA=85 C
O
TA=-30 C
O
TA=25 C
O
TA=50 C O
TA=0 C
O
TA=125 C
O
TA=-30 C
O
TA=25 C
O
TA=75 C
O
TA=0 C
O
TJ=25 C
f=1MHz
5
1
3
Mouser Electronics
Authorized Distributor
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CDSW4448-G