COMCHIP CDSQR4448-HF

SMD Switching Diode
SMD Diodes Specialist
CDSQR4448-HF (RoHS Device)
High Speed
Features
0402(1005)
Halogen free.
0.041(1.05)
0.037(0.95)
Fast Switching Speed.
Designed for mounting on small surface.
0.026(0.65)
0.022(0.55)
Extremely thin/leadless package.
Mechanical data
Case: 0402(1005) standard package,
molded plastic.
0.022(0.55)
0.018(0.45)
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.012(0.30) Typ.
Marking Code: Cathode band & S5
Mounting position: Any
Weight: 0.001 gram(approx.).
0.020(0.50) Typ.
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
100
V
Reverse voltage
VR
80
V
Average forward current
IO
125
mA
Forward current,surge peak
T P = 1uS
2
I FSM
T P = 8.3mS
Power Dissipation
1
125
PD
Storage temperature
T STG
Junction temperature
Tj
-40
A
mW
+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 = 5 mA
I F = 100 mA
VF
Reverse current
V R = 20 V
V R = 80 V
Capacitance between terminals
Reverse recovery time
0.72
1
V
IR
25
100
nA
f = 1 MH Z , and 0.5 VDC reverse voltage
CT
9
PF
I F = I R = 10mA,Irr=0.1 X I R ,R L =100ohm
Trr
9
nS
0.62
REV:B
Page 1
QW-G0011
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSQR4448-HF)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
10u
O
Reverse current ( A )
100
10
O
75 C
100n
10n
O
25 C
C
1n
O
O
25
1u
-25
75
O
C
O
C
0.1
C
1
125
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
0
10
20
Forward voltage (V)
40
50
60
70
80
90 100
Reverse voltage (V)
Fig. 3 - Capacitance between
terminals characteristics
Fig. 4 - Current derating curve
5.0
f=1MHz
O
T A =25 C
Mounting on glass epoxy PCBs
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-G0011
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-G0011
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
Marking Code
Part Number
Marking Code
CDSQR4448-HF
S5
S5
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-G0011
Comchip Technology CO., LTD.