CHENMKO ENTERPRISE CO.,LTD
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 - 40 Volts
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* Low switching noise
* Low forward voltage drop
* High current capability
* High switching capability
* High reliability
* High surge capability
* High temperature soldering guaranteed :
260
o
C/10 seconds , 0.375" (9.5mm) lead length,
5lbs. (2.3kg) tension
1.0(25.4)
MIN.
1N5817PT
THRU
1N5819PT
CURRENT 1.0 Ampere
DO-41
0.034(0.9)
DIA.
0.028(0.7)
MECHANICAL DATA
Case:
JEDEC DO-41 molded plastic body
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.33 gram
0.205(5.2)
0.166(4.2)
0.107(2.7)
DIA.
0.080(2.0)
1.0(25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 H
Z
, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
DO-41
1N5819PT
40
28
40
UNITS
Volts
Volts
Volts
Amps
MAXIMUM RATINGES
( At T
A
= 25 C unless otherwise noted )
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
0.375" (9.5mm) lead length at T
L
= 90 C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Storage and Operating Temperature Range
o
o
SYMBOL
V
RRM
V
RMS
V
DC
I
O
1N5817PT
20
14
20
1N5818PT
30
21
30
1.0
I
FSM
C
J
R
JA
25
110
80
-65 to +125
Amps
pF
o
C/W
o
T
J
, T
STG
C
ELECTRICAL CHARACTERISTICS
( At T
A
= 25
o
C unless otherwise noted )
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0 A DC
Maximum Instantaneous Forward Voltage at 3.0 A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
@ T
A
= 25 C
I
R
@ T
A
= 100 C
o
o
SYMBOL
V
F
V
F
1N5817PT
0.45
0.75
1N5818PT
0.55
0.875
1.0
10
1N5819PT
0.60
0.90
UNITS
Volts
Volts
mAmps
mAmps
2001-6
NOTES : 1. Measured at 1.0 MH
Z
and applied reverse voltage of 4.0 volts
2. Thermal Resistance ( Junction to Ambient ) : Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
RATING CHARACTERISTIC CURVES ( 1N5817PT THRU 1N5819PT )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
1.0
INSTANTANEOUS FORWARD CURRENT, ( A )
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD
CHARCTERISTICS
20
1N5817
10
1N5819
.75
.50
Single
Half Wave 60H
Z
Resistive or
Inductive Load
0.375" (9.5mm) Lead Length
1.0
1N5818
T
J
=125
o
C
Pulse Width = 300us
1% Duty Cycle
.25
0
0
20
40
60
80
100
o
120
140
0.1
.1
.3
.5
.7
.9
1.1
1.3
1.5
1.7
1.9
2.1
LEAD TEMPERATURE, ( C )
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS REVERSE CURRENT, (mA)
PEAK FORWARD SURGE CURRENT, (A)
30
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
10
T
J
= 125
o
C
25
8.3 ms Single Half Sine-Wave
(JEDEC Method)
20
1.0
15
.10
T
J
= 75
o
C
10
.01
T
J
= 25 C
o
5
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60H
Z
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
400
JUNCTION CAPACITANCE, (pF)
200
T
J
= 25
o
C
100
60
40
20
10
.1
.4
1.0
4
10
REVERSE VOLTAGE, (V)
40