CHENMKO CH493DPT

CHENMKO ENTERPRISE CO.,LTD
CH493DPT
SURFACE MOUNT
SCHOTTKY BARRIER DIODE
VOLTAGE 40 Volts CURRENT 0.4 Ampere
APPLICATION
* Low power rectification
FEATURE
.019 (0.50)
.041 (1.05)
.033 (0.85)
.066 (1.70)
.119 (3.04)
* Silicon epitaxial planar
.110 (2.80)
.082 (2.10)
(1)
CONSTRUCTION
.018 (0.30)
SOT-23
* Small surface mounting type. (SOT-23)
* Two diode with common anode for excellent.
* High reliability
(3)
(2)
MARKING
.045 (1.15)
.033 (0.85)
(1)
Dimensions in inches and (millimeters)
(3)
.002 (0.05)
(2)
CIRCUIT
.103 (2.64)
.086 (2.20)
.028 (0.70)
.020 (0.50)
.007 (0.177)
.055 (1.40)
.047 (1.20)
* 02F
SOT-23
MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted )
SYMBOL
CH493DPT
UNITS
Maximum Recurrent Peak Reverse Voltage
RATINGS
VRRM
40
Volts
Maximum RMS Voltage
VRMS
28
Volts
Maximum DC Blocking Voltage
VDC
25
Volts
IO
0.4
Amps
Maximum Average Forward Rectified Current
Peak Forward Surge Current at 8.3 mSec single half sine-wave
IFSM
2.0
Amps
Typical Junction Capacitance between Terminal (Note 1)
CJ
20
pF
Maximum Operating Temperature Range
TJ
+125
o
C
TSTG
-40 to +125
o
C
Storage Temperature Range
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted )
CHARACTERISTICS
SYMBOL
CH493DPT
UNITS
Maximum Instantaneous Forward Voltage at IF(1)= 10mA
VF(1)
0.30
Volts
Maximum Instantaneous Forward Voltage at IF(2)= 200mA
VF(2)
0.50
Volts
IR
70
uAmps
Maximum Average Reverse Current at VR= 25V
NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 10.0 volts.
2. ESD sensitive product handling required.
2006-10
RATING CHARACTERISTIC CURVES ( CH493DPT )
FIG. 1 - FORWARD CHARACTERISTICS
FIG. 2 - REVERSE CHARACTERISTICS
1
REVERSE CURRENT, (A)
FORWARD CURRENT, (A)
100m
100m
C
-40 o
C
5
75 o
C
25 o
C
o
2
=1
Ta
10m
1m
o
Ta=125 C
1m
o
75 C
100u
o
25 C
10u
o
0C
100u
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
FORWARD VOLTAGE, (V)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
10
1
0
5
10
15
20
25
REVERSE VOLTAGE, (V)
1u
0
10
20
REVERSE VOLTAGE, (V)
100
JUNCTION CAPACITANCE, (pF)
10m
30
35
30
40