Chenmko CH490DPT Schottky barrier diode voltage 40 volts current 1 ampere Datasheet

CHENMKO ENTERPRISE CO.,LTD
CH490DPT
SURFACE MOUNT
SCHOTTKY BARRIER DIODE
VOLTAGE 40 Volts CURRENT 1 Ampere
APPLICATION
* Low power recification for switching power supply
SOT-23
.019 (0.50)
.041 (1.05)
.033 (0.85)
* Silicon epitaxial planar
.066 (1.70)
CONSTRUCTION
.110 (2.80)
.082 (2.10)
.119 (3.04)
(1)
MARKING
* 10F
CIRCUIT
.103 (2.64)
.086 (2.20)
.028 (0.70)
.020 (0.50)
.045 (1.15)
.033 (0.85)
(1)
(2)
(2)
.007 (0.177)
.055 (1.40)
.047 (1.20)
(3)
Dimensions in inches and (millimeters)
(3)
.002 (0.05)
* Small surface mounting dual element linear type.
(SOT-23)
* Ultra low VF. (Vf=0.50V typ. at 1A)
* IF=1.0A guaranteed despite size
.018 (0.30)
FEATURE
SOT-23
MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted )
SYMBOL
CH490DPT
UNITS
Maximum Recurrent Peak Reverse Voltage
RATINGS
VRRM
40
Volts
Maximum RMS Voltage
VRMS
28
Volts
Maximum DC Blocking Voltage
VDC
40
Volts
IO
1.0
Amps
IFSM
3.0
Amps
pF
Maximum Average Forward Rectified Current
Peak Forward Surge Current at 8.3 mSec single half sine-wave
Typical Junction Capacitance between Terminal (Note 1)
CJ
30
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 )
SYMBOL
CH490DPT
UNITS
Maximum Instantaneous Forward Voltage at IF= 1A
CHARACTERISTICS
VF
0.53
Volts
Maximum Average Reverse Current at VR= 30V
IR
100
uAmps
NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 10 volts.
2. ESD sensitive product handling required.
2002-5
RATING CHARACTERISTIC CURVES ( CH490DPT )
FIG. 2 - REVERSE CHARACTERISTICS
FIG. 1 - FORWARD CHARACTERISTICS
1000
REVERSE CURRENT, (mA)
-25 o
C
=1
Ta
10m
25
C
o
o
75
100m
C
1
25 o
C
FORWARD CURRENT, (A)
10
1m
o
Ta=125 C
10
o
75 C
1
o
25 C
100u
10u
o
-25 C
1u
0.1u
0.1m
0
0.1
0.2
0.3
0.4
0.5
0.6
FORWARD VOLTAGE, (V)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
f=1MHz
1000
100
10
1
0
5
10
15
20
25
30
REVERSE VOLTAGE, (V)
0
10
20
30
40
50
REVERSE VOLTAGE, (V)
10000
JUNCTION CAPACITANCE , (pF)
100
35
40
60
70
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