COMCHIP CDSN4148

SMD Switching Diode
COMCHIP
www.comchip.com.tw
CDSN4148
High Speed
Features
Designed for mounting on small surface.
High speed switching.
1206(3216)
High mounting capability, strong surge
withstand, high reliability.
0.126(3.20)
0.118(3.00)
0.020(0.50) Typ
Mechanical data
0.010(R0.25) Typ.
0.063 (1.60)
0.055(1.40)
Case: 1206(3216) standard package,
molded plastic.
Terminals: Solder plated, solderable per
MIL-STD-750, method 2026.
Polarity: Indicated by cathode band.
0.043 (1.10)
0.035(0.90)
Mounting position: Any.
Weight: 0.0085 gram. (approximately)
Dimensions in inches and (millimeter)
Maximum Rating ( at T A = 25 C unless otherwise noted )
Parameter
Conditions
Symbol Min Typ Max Unit
V RRM
100
V
Reverse voltage
VR
75
V
Average forward current
Io
150
mA
Repetitive peak reverse voltage
Forward current , surge peak
Tp = 1us
Tp = 1s
4
1
I FSM
PD
Power Dissipation
A
350
mW
Storage temperature
T STG
-55
+175
C
Junction temperature
Tj
-55
+175
C
Electrical Characteristics ( at T A = 25 C unless otherwise noted )
Conditions
Parameter
Symbol Min Typ Max Unit
Forward voltage
I F = 50 mA DC
VF
1.0
V
Reverse current
V R = 20 V
V R = 75 V
IR
25
2.5
nA
uA
Capacitance between terminals
f = 1MHz, and 0 VDC reverse voltage
CT
3
pF
Reverse recovery time
V R = 6V, I F = 10 mA, R L =50 ohms
Trr
4
nS
RDS0208002-C
Page 1
SMD Switching Diode
COMCHIP
www.comchip.com.tw
RATING AND CHARACTERISTIC CURVES (CDSN4148)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
100u
Reverse current ( A )
C
-2 5
10
25 C
100
125 C
75 C
Forward current ( mA )
150 C
10u
125 C
1u
75 C
100n
25 C
1
10n
0
0.2
0.4
0.6
0.8
1.0
1.2
0
10
Forward voltage (V)
20
30
40
50
60
70
80
Reverse voltage (V)
Fig. 3 - Capacitance between
terminals characteristics
Fig. 4 - Current derating curve
Average forward current ( % )
Capacitance between terminals (pF)
5.0
f = 1 MHz
Ta = 25 C
4.0
3.0
2.0
1.0
0
Mounting on glass epoxy PCBs
100
80
60
40
20
0
0
4
2
6
8
10
Reverse voltage (V)
RDS0208002-C
12
14
0
25
50
75
100
125
150
175
200
Ambient temperature ( C )
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