DL5817 - DL5819
Surface Mount Schottky Barrier Rectifiers
Voltage 20 - 40 Volts Forward Current 1 Amp
FEATURES :
* High current capability
* High surge current capability
* High reliability
* High efficiency
* Low power loss
* Low forward voltage drop
MECHANICAL DATA :
* Case : Molded plastic
* Terminals : Plated Terminals, solderable per MIL-STD-750
Method 2026
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.116 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
V
Maximum RMS Voltage
V
RMS
14
21
28
V
Maximum DC Blocking Voltage
V
DC
20
30
40
V
Maximum Average Forward Current at T
L
= 90
C
I
F(AV
)
A
Maximum Peak Forward Surge Current,
8.3ms single half sine wave
Superimposed on rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at I
F
= 1.0 A
V
F
0.45
0.55
0.6
V
Maximum Reverse Current Ta = 25
C
I
R
1.0
mA
at Rated DC Blocking Voltage Ta = 100
C
I
R(H)
10
mA
Typical Thermal Resistance (Note 1)
R
JA
80
C/W
Typical Junction Capacitance (Note 2)
C
J
110
pF
Junction Temperature Range
T
J
- 55 to + 150
C
Storage Temperature Range
T
STG
- 55 to + 150
C
Notes :
(1) Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
DC
Page 1 of 2
Rev. 01 : August 30, 2003
25
A
RATING
1.0
I
FSM
Dimensions in inches and ( millimeters )
MELF (Plastic)
0.205(5.2)
0.189(4.8)
0.102 (2.6)
0.094 (2.4)
0.022(0.55)
Cathode Mark
DL5817 - DL5819
RATING AND CHARACTERISTIC CURVES
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
Page 2 of 2
Rev. 01 : August 30, 2003
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
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
20
DL5817
DL5818
T
J
= 25
C
PULSE WIDTH = 300
s
DUTY CYCLE = 1%
DL5819
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