CDSQR4448-HF - Comchip Technology

SMD Switching Diode
CDSQR4448-HF
RoHS Device
Halogen Free
Features
0402/SOD-923F
- High Speed.
- Fast Switching Speed.
0.041(1.05)
0.037(0.95)
- Designed for mounting on small surface.
- Extremely thin/leadless package.
0.026(0.65)
0.022(0.55)
Mechanical data
- Case: 0402/SOD-923F standard package,
molded plastic.
- Terminals: Gold plated, Solderable per
MIL-STD-750,method 2026.
- Polarity: Indicated by cathode band.
0.022(0.55)
0.018(0.45)
0.014(0.35)
0.010(0.25)
- Mounting position: Any.
- Weight: 0.001 grams(approx.).
Circuit diagram
0.020(0.50)
0.016(0.40)
Dimensions in inches and (millimeter)
Maximum Rating (at T =25 ºC unless otherwise noted)
A
Symbol
Typ
Max
Unit
V RRM
100
V
Reverse voltage
VR
80
V
Average forward current
IO
125
mA
Parameter
Conditions
Repetitive peak reverse voltage
Forward current, surge peak
Tp=1uS
Min
2
I FSM
Tp=8.3mS
Power dissipation
PD
Operating temperature range
Tj
Storage temperature range
1
125
-40
T STG
-40
Symbol
Min
0.62
A
mW
+125
O
+125
O
C
C
Electrical Characteristics (at T =25 ºC unless otherwise noted)
A
Parameter
Conditions
Typ
Max
Unit
0.72
1
V
Forward voltage
IF = 5 mA
IF = 100 mA
VF
Reverse current
VR = 20V
VR = 80V
IR
25
100
nA
Capacitance between terminals
f = 1MHz, and 0.5 VDC reverse voltage
CT
9
pF
Reverse recovery time
I F = I R = 10 mA, I rr = 0.1 X I R , R L =100 ohm
T rr
9
nS
Company reserves the right to improve product design , functions and reliability without notice.
REV:C
Page 1
QW-G0011
Comchip Technology CO., LTD.
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSQR4448-HF)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
1000
10u
O
Reverse Current, ( A )
100
10
C
O
O
25
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
0
10
20
30
40 50
60
70
80
90 100
Forward Voltage, (V)
Reverse Voltage, (V)
Fig.3 - Capacitance Between
Terminals Characteristics
Fig.4 - Current Derating Curve
5
f=1MHz
Ta = 25°C
4
3
2
1
0
Average Forward Current, ( % )
Capacitance Between Terminals, (pF)
1u
-25
75
O
C
O
C
0.1
C
1
125
Forward Current, (mA )
125 C
Mounting on glass epoxy PCBs
100
80
60
40
20
0
0
5
10
15
20
25
30
35
0
Reverse Voltage, (V)
25
50
75
100
125
150
Ambient Temperature, ( °C)
Company reserves the right to improve product design , functions and reliability without notice.
REV:C
Page 2
QW-G0011
Comchip Technology CO., LTD.
SMD Switching Diode
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
P
C
A
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min)
Start
10 pitches (min)
Direction of Feed
0402
(SOD-923F)
0402
(SOD-923F)
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)
0.030 ± 0.004
0.045 ± 0.004
0.024 ± 0.004
0.061 + 0.004
7.008 ± 0.040
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.
Company reserves the right to improve product design , functions and reliability without notice.
REV:C
Page 3
QW-G0011
Comchip Technology CO., LTD.
SMD Switching Diode
Marking Code
Part Number
Marking Code
CDSQR4448-HF
S5
S5
Suggested PAD Layout
0402/SOD-923F
SIZE
(mm)
(inch)
A
0.75
0.030
B
0.50
0.020
C
0.70
0.028
D
1.25
0.049
E
0.25
0.010
D
A
E
C
B
Standard Packaging
Case Type
0402/SOD-923F
Qty Per Reel
Reel Size
(Pcs)
(inch)
5,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:C
Page 4
QW-G0011
Comchip Technology CO., LTD.