CDST19-G/20-G/21-G
Features
-Fast switching diode.
-Surface mount package ideally for automatic
insertion.
-For general purpose switching applications.
-High conductance.
Mechanical data
Case: SOT-23
Terminals: Solder plated, solderable per MIL-
STD-750, Method 2026.
Weight: 0.008 gram.
Marking: CDST19-G JP
CDST20-G JR
CDST21-G JS
Page 1
QW-B0021
SMD Switching Diode
High Speed
RoHS Device
O
Maximum Rating (at TA=25 C unless otherwise noted)
REV:A
SMD Diodes Specialist
OC
mA
V
V
-65 ~ +150
500
200
200
200
TJ
RθJA
VRM
VR
IO
Junction temperature
Power dissipation
Thermal resistance-Junction to ambient air
DC blocking voltage
Non-Repetitive peak reverse voltage
Parameter Symbol CDST20-G
CDST21-G
Unit
TSTG
Average rectified output current
Storage temperature range
PD250
150
mW
SOT-23
Dimensions in inches and (millimeters)
0.066 (1.70)
1 2
3
0.119 (3.00)
0.110 (2.80)
0.103 (2.60)
0.086 (2.20)
0.020 (0.50)
0.013 (0.35)
0.056 (1.40)
0.047 (1.20)
0.044 (1.10)
0.035 (0.90)
0.083 (2.10)
0.006 (0.15)
0.002 (0.05)
+
-
CDST19-G
100
100
150
150
OC
OC/W
O
Electrical Characteristics (at TA=25 C unless otherwise noted)
V
UA
V
50
1
1.25
0.1
trr
VBR
IR
VF
Junction capacitance
Reverse recovery time
Reverse leakage current
Reverse breakdown voltage
Parameter Symbol Min
Max
Unit
Forward voltage
CJ5pF
Test Conditions
100
150
200
nS
CDST19-G
CDST20-G
CDST21-G
CDST19-G
CDST20-G
CDST21-G
IR=100uA
VR=100V
VR=150V
VR=200V
IF=100mA
IF=200mA
VR=0V, f=1MHZ
IF=IR=30mA, Irr=0.1XIR
Characteristic Curves (CDST19-G/20-G/21-G)
Page 2
SMD Switching Diode
QW-B0021
Fig. 1 - Forward Characteristics
REV:A
SMD Diodes Specialist
0.01
0.1
1
10
100
1000
0 1 2
IF, Forward Current (mA)
VF, Forward Voltage (V)
O
TJ=25 C
Fig. 2 - Leakage Current vs
Junction Temperature
0.01
0.1
1
10
100
0
IR, Leakage Current (uA)
O
TJ, Junction Temperature ( C)
100 200