CDST-99-G,70-G,56-G RevF.cdr(20130429

Small Signal Switching Diodes
CDST-99-G/70-G/56-G
Reverse Voltage: 70 Volts
Forward Current: 200 mA
RoHS Device
SOT-23
Features
0.122(3.10)
0.106(2.70)
-Design for mounting on small surface.
-High speed switching.
-High mounting capability, strong surge
withstand, high reliability.
3
0.055(1.40)
0.047(1.19)
1
Mechanical data
0.067(1.70)
-Case: SOT-23, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Approx. weight: 0.0078 grams
0.010(0.25)
0.003(0.08)
Circuit diagram
3
2
0.083(2.10)
3
0.045(1.15)
0.118(3.00)
0.035(0.90)
0.083(2.10)
3
0.005(0.13)max
0.020(0.51)
0.014(0.35)
1
2
1
CDST-99-G
2
CDST-70-G
1
2
0.020(0.50)
0.012(0.30)
CDST-56-G
Dimensions in inches and (millimeter)
Maximum Ratings (at Ta=25°C unless otherwise noted)
Parameter
Symbol
Reverse voltage
VR
Forward current
IF
CDST-56-G
CDST-70-G
CDST-99-G
70
200
Units
V
215
mA
Peak surge forward current
IFSM
500
mA
Power dissipation (FR-5 board )
PD
225
mW
RθJA
556
°C/W
TJ
-55 to +150
°C
TSTG
-55 to +150
°C
Thermal resistance, junction to ambient
Maximum junction temperature
Storage temperature
Electrical Characteristics (at Ta=25°C unless otherwise noted)
Parameter
Reverse breakdown voltage
Symbol
Conditions
VBR
IR=100μA
Forward voltage
VF
@IF=1mA
@IF=10mA
@IF=50mA
@IF=150mA
Reverse current
IR
@VR=70V
Reverse recovery time
trr
Diode capacitance
CT
Min.
Max.
70
Units
V
0.715
0.855
1.0
1.25
V
2.5
μA
IF=IR=10mA, Irr=0.1×IR,
RL=100Ω
6
nS
VR=0V, f=1.0MHz
2
pF
Company reserves the right to improve product design , functions and reliability without notice.
REV:F
Page 1
QW-B0002
Comchip Technology CO., LTD.
Small Signal Switching Diodes
RATING AND CHARACTERISTIC CURVES (CDST-99-G/70-G/56-G)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
10μ
TA=125°C
1μ
100
Reverse Current, (A)
Forward Current, (mA)
1000
TA=150°C
TA=-40°C
TA=75°C
10
TA=0°C
TA=25°C
1
100n
TA=75°C
TA=25°C
10n
TA=0°C
1n
0.1
0
0.5
1.0
0.1n
1.5
0
20
40
60
80
Forward Voltage, (V)
Reverse Voltage, (V)
Fig.3 - Capacitance Between Terminals
Characteristics
Fig.4 - Power Derating Curve
2
Mounted on glass
epoxy PCBs
1
0
100
300
TJ=25°C
f=1MHz
Power Dissipation, (mW)
Capacitance Between Teminals, (pF)
TA=-40°C
0
10
20
30
40
50
200
100
50
0
0
Reverse Voltage, (V)
25
50
75
100
125
150
175
Ambient Temperature, (°C)
Company reserves the right to improve product design , functions and reliability without notice.
REV:F
Page 2
QW-B0002
Comchip Technology CO., LTD.
Small Signal Switching Diodes
Reel Taping Specification
P1
XXX
B
F
E
d
P0
12
o
0
D2
D1 D
W1
SOT-23
SOT-23
SYMBOL
A
B
C
d
D
D1
D2
(mm)
3.15 ± 0.10
2.77 ± 0.10
1.22 ± 0.10
1.50 + 0.10
178 ± 2.00
54.40 ± 1.00
13.00 ± 1.00
(inch)
0.124 ± 0.004
0.109 ± 0.004
0.048 ± 0.004
0.059 + 0.004
7.008 ± 0.079
2.142 ± 0.039
0.512 ± 0.039
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.10
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
8.00 + 0.30 /–0.10
12.30 ± 1.0
(inch)
0.069 ± 0.004
0.138 ± 0.004
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039
Company reserves the right to improve product design , functions and reliability without notice.
REV:F
Page 3
QW-B0002
Comchip Technology CO., LTD.
Small Signal Switching Diodes
Marking Code
3
Part Number
Marking Code
CDST-99-G
A7
CDST-70-G
A4
CDST-56-G
A1
XX
1
2
xx = Product type marking code
Suggested PAD Layout
E
SOT-23
SIZE
(mm)
(inch)
A
0.80
0.031
B
1.90
0.075
C
2.02
0.080
D
2.82
0.111
A
C
D
B
E
0.80
0.031
Standard Packaging
REEL PACK
Case Type
SOT-23
REEL
Reel Size
( pcs )
(inch)
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:F
Page 4
QW-B0002
Comchip Technology CO., LTD.