COMCHIP CDSUR4148

SMD Switching Diode
SMD Diodes Specialist
CDSUR4148(RoHs Device)
High Speed
Features
0603(1608)
Designed for mounting on small surface.
0.071(1.80)
0.063(1.60)
Extremely thin/leadless package.
High mounting capability, strong surge
withstand, high reliability.
0.039(1.00)
0.031(0.80)
Mechanical data
Case: 0603(1608) standard package,
molded plastic.
0.033(0.85)
0.027(0.70)
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.018(0.45) Typ.
Polarity: Indicated by cathode band.
Mounting position: Any
Weight: 0.003 gram(approx.).
0.028(0.70) Typ.
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Repetitive peak reverse voltage
Symbol Min Typ Max Unit
V RRM
100
V
Reverse voltage
VR
75
V
Average forward current
IO
150
mA
Forward current,surge peak
T P = 1uS
4
I FSM
T P = 1mS
Repetitive peak forward current
Power Dissipation
A
1
I FRM
300
mA
PD
150
mW
Storage temperature
T STG
Junction temperature
Tj
-40
+125
O
+125
O
C
C
Electrical Characteristics (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
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 = 1 MH Z ,and 0VDC reverse voltage
CT
4
PF
Reverse recovery time
I F = I R = 10 mA, R L =100 ohms, I rr = 1mA
T rr
4
nS
REV:A
QW-A0025
Page 1
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSUR4148)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
10u
O
Reverse current ( A )
100
10
-52C O
O
25
C
O
C
O
125
0.1
C
1
75
Forward current (mA )
125 C
1u
O
75 C
100n
10n
O
25 C
1n
O
-25 C
0.1n
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
10
20
40
50
60
70
80
90 100
Reverse voltage (V)
Forward voltage (V)
Fig. 3 - Capacitance between
terminals characteristics
Fig. 4 - Current derating curve
5.0
f=1MHz
Ta = 25 C
Mounting on glass epoxy PCBs
O
Average forward current ( % )
Capacitance between terminals : (pF)
30
4.0
3.0
2.0
1.0
100
80
60
40
20
0
0
0
5
10
15
20
25
Reverse voltage : (V)
30
35
0
25
50
75
100
125
150
Ambient temperature ( C)
REV:A
QW-A0025
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