COMCHIP CDSQR400B

SMD Switching Diode
SMD Diodes Specialist
CDSQR400B (RoHS Device)
High Speed
Features
0402(1005)
Designed for mounting on small surface.
0.041(1.05)
0.037(0.95)
Extremely thin/leadless package.
Low leakage current.
0.026(0.65)
0.022(0.55)
High mounting capability, strong surge
withstand, high reliability.
Mechanical data
Case: 0402(1005) standard package,
molded plastic.
0.022(0.55)
0.018(0.45)
0.012(0.30) Typ.
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
Marking Code: Cathode band & S4
Mounting position: Any
0.020(0.50) Typ.
Weight: 0.001 gram(approx.).
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Repetitive peak reverse voltage
V RRM
90
V
Reverse voltage
VR
80
V
Average forward current
IO
100
mA
Forward current,surge peak
8.3 ms single half sine-wave superimposed
on rate load ( JEDEC method)
I FSM
Repetitive peak forward current
Power Dissipation
1000
mA
I FRM
225
mA
PD
125
mW
Storage temperature
T STG
Junction temperature
Tj
-55
+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 = 100 mA DC
VF
1.0
V
Reverse current
V R = 80 V
IR
0.1
uA
Capacitance between terminals
f = 1 MH Z ,and 0.5VDC reverse voltage
CT
3
PF
Reverse recovery time
V R = 6V ,I F =10 mA, R L =50 ohms
T rr
4
nS
REV:B
Page 1
QW-A0033
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSQR400B )
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
10u
O
Reverse current ( A )
100
10
C
C
O
O
C
O
1u
O
75 C
100n
10n
O
25 C
1n
-25
O
25
125
0.1
C
1
75
Forward current (mA )
125 C
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
30
35
0
Reverse voltage : (V)
25
50
75
100
125
150
Ambient temperature ( C)
REV:B
Page 2
QW-A0033
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
Polarity
P
C
A
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min)
Start
10 pitches (min)
Direction of Feed
QR/0402
QR/0402
SYMBOL
A
B
C
d
D
D1
D2
(mm)
0.75 ± 0.10
1.15 ± 0.10
0.60 ± 0.10
1.55 ± 0.10
178 ± 1
60.0 MIN.
13.0 ± 0.20
(inch)
0.026 ± 0.004
0.045 ± 0.004
0.024 ± 0.004
0.061 ± 0.004
7.008 ± 0.04
2.362 MIN.
0.512 ± 0.008
SYMBOL
E
F
P
P0
P1
T
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
0.22 ± 0.05
8.00 ± 0.20
13.5 MAX.
(inch)
0.069 ± 0.004
0.138 ± 0.002
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.004
0.009 ± 0.002
0.315 ± 0.008
0.531 MAX.
REV:B
Page 3
QW-A0033
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
Marking Code
Part Number
Marking Code
CDSQR400B
S4
S4
Suggested PAD Layout
QR/0402
SIZE
(mm)
(inch)
A
0.750
0.030
B
0.500
0.020
C
0.700
0.028
D
1.250
0.049
E
0.250
0.010
D
A
E
C
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
5000
7
Case Type
QR/0402
REV:B
Page 4
QW-A0033
Comchip Technology CO., LTD.