1N5817 - 1N5819
SCHOTTKY BARRIER
RECTIFIER DIODES
PRV : 20 - 40 Volts
I
O
: 1.0 Ampere
FEATURES :
* High current capability
* High surge current capability
* High reliability
* High efficiency
* Low power loss
* Low cost
* Low forward voltage drop
MECHANICAL DATA :
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.339 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
1N5817
1N5818
1N5819
UNIT
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
Volts
Maximum RMS Voltage
V
RMS
14
21
28
Volts
Maximum DC Blocking Voltage
V
DC
20
30
40
Volts
Maximum Average Forward Current
0.375", 9.5mm Lead Length at T
L
= 90
C
I
F(AV
)
1.0
Amp.
Peak Forward Surge Current, 8.3ms single half sine wave
Superimposed on rated load (JEDEC Method) T
L
= 70
C
I
FSM
25
Amps.
Maximum Forward Voltage at I
F
= 1.0 Amp.
V
F
0.45
0.55
0.6
Volt.
Maximum Reverse Current Ta = 25
C
I
R
1.0
mA
at Rated DC Blocking Voltage (Note 1) Ta = 100
C
I
R(H)
10
mA
Typical Thermal Resistance (Note 2)
R
JL
15
C/W
Typical Junction Capacitance (Note 3)
C
J
110
pF
Junction Temperature Range
T
J
- 65 to + 125
C
Storage Temperature Range
T
STG
- 65 to + 125
C
Notes :
(1) Pulse Test : Pulse Width = 300
s, Duty Cycle = 2%.
(2) Thermal Resistance from junction to lead, PC board Mounting with 0.375" (9.5mm) Lead Lengths and 1.5 in
2
(38.1mm
2
) copper pads.
(3) Measured at 1 MHz and applied reverse voltage of 4.0 volts.
UPDATE : SEPTEMBER 12, 1998
RATING
DO - 41
0.205 (5.20)
0.160 (4.10)
0.107 (2.74)
0.080 (2.03)
0.034 (0.86)
0.028 (0.71)
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
RATING AND CHARACTERISTIC CURVES ( 1N5817 - 1N5819 )
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
0
20
40
60
80
100
120
140
1
2
4
6
10
20
40 60 100
LEAD TEMPERATURE, (
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5 1.7
1.9
2.1
1N5819
0.8
0.6
0.4
0.2
1.0
20
0
25
0
15
10
5
1.0
0.1
10
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD CURRENT,
AMPERES
FORWARD CURRENT, AMPERES
10
1.0
80
0.01
0.1
100
140
0
20
40
60
120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
T
J
= 100
C
T
J
= 25
C
REVERSE CURRENT, MILLIAMPERES
FORWARD VOLTAGE, VOLTS
20
1N5817
1N5818
T
J
= 25
C
PULSE WIDTH = 300
s
DUTY CYCLE = 1%
PDF 
ZIP