CDST-21S-G

Small Signal Switching Diodes
Reverse Voltage: 250 Volts
Forward Current: 200 mA
RoHS Device
Page 1
REV:D
Features
- Fast switching speed.
- For general purpose switching applications.
- Surface mount package ideally suited for
Automatic Insertion.
Mechanical data
- Case: SOT-23, molded plastic.
- Terminals: Solderable per MIL-STD-750,
method 2026.
- Weight: 0.008 grams(approx.).
Circuit diagram
CDST-21/A/C/S-G
QW-B0015
Comchip Technology CO., LTD.
1 2
3
CDST-21-G CDST-21A-G CDST-21C-G CDST-21S-G
1 2
3
1 2
3
1 2
3
Company reserves the right to improve product design , functions and reliability without notice.
- High conductance.
Dimensions in inches and (millimeter)
SOT-23
3
1 2
0.118(3.00)
0.110(2.80)
0.055(1.40)
0.047(1.20)
0.079(2.00)
0.071(1.80)
0.041(1.05)
0.035(0.90)
0.020(0.50)
0.012(0.30)
0.006(0.15)
0.003(0.08)
0.100(2.55)
0.089(2.25)
0.004(0.10) max
0.012(0.30)
0.020(0.50)
Repetitive peak reverse voltage
DC blocking voltage
Power dissipation
Junction temperature
Storage temperature range
Unit
Symbol
Parameter
VRRM
VR
PD
TJ
TSTG
Conditions
Value
250
250
225
150
-55 to +150
V
V
mW
°C
°C
VRWM
250
V
Working peak reverse voltage
Thermal resistance
RΘJA
555
°C/W
Junction to ambient
Non-Repetitive Peak forward currentsurge
IFSM
2.5
A
t=8.3ms
Average rectified output current
IO
200
mA
Maximum Ratings (at Ta=25°C unless otherwise noted)
Repetitive peak forward surge currnt
IFRM
625
mA
Page 2
Small Signal Switching Diodes
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
REV:D
QW-B0015
RATING AND CHARACTERISTIC CURVES (CDST-21/A/C/S-G)
Symbol
Parameter
Conditions Min.
Max.
Unit
Electrical Characteristics (at Ta=25°C unless otherwise noted)
Forward voltage
mV
1000IF = 100mA
Reverse voltage leakage current
0.1VR = 200V
Reverse breakdown voltage
IR = 100μA
Diode Capacitance
VR = 0V, f = 1MHz
μA
Reverse recovery time
50
nS
IF = 200mA
V(BR)
IR
VF
CD
Trr
V250
1250
5 pF
Capacitance Between Terminals, (pF)
Reverse Voltage, (V)
Fig.3 - Capacitance Between
0
8
12 16 20
0.6
1.4
0
50
100
150
200
250
0 25 50
75
100 125 150
Ambient Temperature, (°C)
Power Daissipation, (mW)
Fig.4 - Power Derating Curve
1.2
1.6
0.8
1.0
4
f=1MHz
TA=25°C
300
IF = IR = 30mA, Irr = 0.1xIR, RL = 100Ω
Forward Current, (mA)
0.40
10
2.0
Forward Voltage, (V)
Fig.1 - Typical Forward Characteristics
Reverse Current, (nA)
Reverse Voltage, (V)
10
1
1000
0 40
Fig.2 - Typical Reverse Characteristics
1
1000
0.8
1.2
1.6
100
80 160 200
TA=100°C
TA=25°C
100
0.1
TA=100°C
TA=25°C
120
Page 3
Small Signal Switching Diodes
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
REV:D
QW-B0015
Reel Taping Specification
o
1
2
0
d
F
E
B
P1 P0
D1
D2
W1
D
Trailer Tape
Components
Leader Tape
100±2 Empty Pockets
50±2 Empty Pockets
B C
d
D D2D1
SOT-23
SYMBOL
A
(mm)
(inch)
2.142 ± 0.039
4.00 ± 0.10
1.50 ± 0.10 54.40 ± 1.00 13.00 ± 1.00
4.00 ± 0.10 2.00 ± 0.10
178.00 ± 2.00
0.059 ± 0.004
7.008 ± 0.079 0.512 ± 0.039
SYMBOL
(mm)
(inch)
0. ± 0.004157 0.157 ± 0.004
0.079 ± 0.004
E F P
P0
P1 W W1
1.75 ± 0.10
0.069 ± 0.004
3.50 ± 0.10
0.138 ± 0.004
SOT-23
3.15 ± 0.10
0.124 ± 0.004
2.77 ± 0.10
0.109 ± 0.004
1.22 ± 0.10
0.048 ± 0.004
12.30 ± 1.00
0.484 ± 0.039
8.00 + 0.30 / - 0.10
0.315 + 0.012 / - 0.004

CDST-21S-G

Mfr. #:
Manufacturer:
Comchip Technology
Description:
Diodes - General Purpose, Power, Switching VR=250V, IF=225mA
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet