Small Signal Switching Diodes
CDST-914-G
Reverse Voltage: 100 Volts
Forward Current: 300 mA
RoHS Device
Features
-Design for mounting on small surface.
-High speed switching.
-High mounting capability, strong surge
withstand, high reliability.
0.055(1.40)
0.047(1.20)
SOT-23
0.118(3.00)
0.110(2.80)
3
1
2
0.079(2.00)
0.071(1.80)
0.006(0.15)
0.003(0.08)
Mechanical data
-Case: SOT-23, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Approx. weight: 0.0078 grams
0.041(1.05)
0.035(0.90)
0.100(2.55)
0.089(2.25)
0.004(0.10) max
Circuit diagram
3
0.020(0.50)
0.012(0.30)
0.020(0.50)
0.012(0.30)
Dimensions in inches and (millimeter)
1
2
Maximum Ratings and Electrical Characteristics, Single Diode
(at Ta=25°C unless otherwise noted)
Parameter
Peak Repetitive peak reverse voltage
RMS reverse voltage
DC Blocking voltage
Average forward current
Peak forward surge current
Power dissipation
Thermal resistance junction to ambient
Reverse breakdown voltage
Symbol
V
RRM
V
RMS
V
DC
I
O
I
FSM
P
D
R
θJA
V
(BR)R
Conditions
Min.
Typ.
Max.
100
70
100
300
0.5
350
357
Units
V
V
V
mA
A
mW
°C/W
V
I
R
=100µA
@I
F
=1mA
@I
F
=10mA
@I
F
=50mA
@I
F
=150mA
@V
R
=75V
@V
R
=20V
I
F
=I
R
=10mA, I
rr
=0.1*I
R
R
L
=100Ω
V
R
=0V, f=1.0MHz
100
0.715
0.855
1.0
1.25
1.0
25
4
2
+150
-65
+150
Forward voltage
V
F
V
μA
nA
nS
pF
°C
°C
REV:A
Reverse current
Reverse recovery time
Capacitance between terminals
Junction temperature
Storage temperature
I
R
T
rr
C
T
T
J
T
STG
QW-B0052
Page 1
Comchip Technology CO., LTD.
Small Signal Switching Diodes
RATING AND CHARACTERISTIC CURVES (CDST-914-G)
Fig.1 - Forward Characteristics
1000
400
Mounted on glass
epoxy PCBs
Fig.2 - Power Derating Curve
Instantaneous Forward Current, (A)
Power Dissipation, (mW)
300
100
T
A
=150°C
200
T
A
=75°C
10
T
A
=-40°C
T
A
=0°C
T
A
=25°C
100
1
0
0.5
1.0
1.5
0
0
25
50
75
100
125
150
175
Instantaneous Forward Voltage, (V)
Ambient Temperature, (°C)
Fig.3 - Reverse Characteristics
10000
2
T
A
=150°C
T
A
=125°C
Fig.4 - Typical Capacitance vs. Reverse
Voltage
T
J
=25°C
f=1.0MHz
Instantaneous Reverse Current, (nA)
100
T
A
=75°C
Total Capacitance, (pF)
80
100
1000
1
10
T
A
=25°C
T
A
=0°C
1
T
A
=-40°C
0.1
0
20
40
60
0
0
10
20
30
40
50
Instantaneous Reverse Voltage, (V)
Reverse Voltage, (V)
Fig.5 - Forward Characteristics
1000
10000
Fig.6 - Leakage Current vs Junction
Temperature
Instantaneous Forward Current, ( mA)
Leakage Current, ( nA)
100
1000
10
100
1.0
0.1
10
0.01
0
1
1
2
0
100
200
Instantaneous Forward Voltage, (V)
Junction Temperature, (°C)
REV:A
QW-B0052
Page 2
Comchip Technology CO., LTD.
Small Signal Switching Diodes
Reel Taping Specification
P
0
P
1
Index hole
d
E
T
F
B
P
A
W
C
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
10 pitches (min)
Device
.......
.......
.......
.......
Leader
.......
.......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
3.15
±
0.10
0.124
±
0.004
B
2.77
±
0.10
0.109
±
0.004
C
1.22
±
0.10
0.048
±
0.004
d
1.50
+
0.10
0.059
+
0.004
D
178
±
1.00
7.008
±
0.039
D
1
54.40
±
0.40
2.142
±
0.016
D
2
13.00
±
0.20
0.512
±
0.008
SOT-23
(mm)
(inch)
SYMBOL
E
1.75
±
0.10
0.069
±
0.004
F
3.50
±
0.05
0.138
±
0.002
P
4.00
±
0.10
0.158
±
0.004
P
0
4.00
±
0.10
0.158
±
0.004
P
1
2.00
±
0.10
W
8.00
+
0.30 /
–0.10
W
1
9.50
±
1.00
SOT-23
(mm)
(inch)
0.079
±
0.004
0.315
+
0.012 /
–0.004
0.374
±
0.039
REV:A
QW-B0052
Page 3
Comchip Technology CO., LTD.
Small Signal Switching Diodes
Marking Code
3
Part Number
CDST-914-G
Marking Code
5D
XX
1
2
xx = Product type marking code
Suggested PAD Layout
SOT-23
SIZE
(mm)
A
B
C
D
0.80
1.90
2.02
2.82
(inch)
0.031
A
C
D
0.075
0.080
0.111
B
Standard Packaging
REEL PACK
Case Type
REEL
( pcs )
Reel Size
(inch)
SOT-23
3,000
7
REV:A
QW-B0052
Page 4
Comchip Technology CO., LTD.
PCB设计
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