COMCHIP CDST-21A-G

COMCHIP
Small Signal Switching Diodes
CDST-21/A/C/S-G
Reverse Voltage: 250 Volts
Forward Current: 200 mA
RoHS Device
Features
SOT-23
-Design for mounting on small surface.
0.119(3.00)
0.110(2.80)
-High speed switching.
3
0.056(1.40)
-High mounting capability, strong surge
withstand, high reliability.
0.047(1.20)
1
2
0.083(2.10)
Mechanical data
0.066(1.70)
-Case: SOT-23, molded plastic.
0.006(0.15)
0.002(0.05)
-Terminals: solderable per MIL-STD-750,
method 2026.
0.044(1.10)
0.103(2.60)
0.035(0.90)
0.086(2.20)
-Approx. weight: 0.008 grams
0.006(0.15) max
0.020(0.50)
0.013(0.35)
Circuit diagram
3
3
3
0.007(0.20) min
3
Dimensions in inches and (millimeter)
1
2
1
CDST-21-G
2
CDST-21A-G
1
2
1
CDST-21C-G
2
CDST-21S-G
Maximum Ratings and Electrical Characteristics
(at Ta=25 OC unless otherwise noted)
Parameter
Repetitive peak reverse voltage
Symbol
Conditions
Value
Units
VRRM
250
V
Reverse voltage
VR
250
V
Average forward current
IF
200
mA
Power dissipation
PD
225
mW
Maximum forward voltage
VF
@IF=100mA
@IF=200mA
1.0
1.25
V
Maximum reverse current
IR
@VR=200V
1
μA
Maximum reverse recovery time
Trr
IF=10mA, RL=100Ω
50
nS
Maximum diode capacitance
CJ
VR=0V, f=1.0MHz
5
pF
Maximum junction temperature
TJ
150
TSTG
-55 to +150
Storage temperature
O
O
C
C
REV:B
Page 1
QW-B0015
Comchip Technology CO., LTD.
COMCHIP
Small Signal Switching Diodes
RATING AND CHARACTERISTIC CURVES (CDST-21/A/C/S-G)
Fig.1 Forward Characteristics
Fig.2 Reverse Characteristics
1000
1000
TA=25 OC
TA=155 OC
TA=-25 OC
R e v e r se V o lt a g e (V)
F o r w a r d C u r rent ( mA)
TA=-55 OC
100
10
1
TA=25 OC
TA=155 OC
100
10
1
0
0.5
1
1.5
2
2.5
3
3.5
0
1
2
3
4
3000
5000
7000
Reverse Current (nA)
Forward Voltage (V)
REV:B
Page 2
QW-B0015
Comchip Technology CO., LTD.