1N5817 thru 1N5819
Features
- Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
- Low power loss, high efficiency
- For use in low voltage high frequency inverters,
free wheeling, and polarity protection applications
- Guardring for overvoltage protection
Mechanical Data
- Case: JEDEC DO-41 molded plastic body
- Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
- High temperature soldering guaranteed:
250C/10 seconds 0.375" (9.5mm) lead length,
5lbs. (2.3kg) tension
- Polarity: Color band denotes cathode end
- Mounting Position: Any
- Weight: 0.34 g
Schottky Barrier Rectifier
Schottky Barrier Rectifier
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COMCHIP
COMCHIP
MDS0309002A
Page 1
Reverse Voltage: 20 to 40V
Forward Current: 1.0A
DO-41
Dimensions in inches and (millimeters)
0.107 (2.7)
0.080 (2.0)
Dia.
0.034 (0.86)
0.028 (0.71)
Dia.
1.0 (25.4)
Min.
0.205 (5.2)
0.160 (4.1)
1.0 (25.4)
Min.
Maximum Ratings and Thermal Characteristics
(T
A
= 25C unless otherwise noted)
Parameter
Symbol
1N5817
1N5818
1N5819
Unit
* Maximum repetitive 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 non-repetitive peak reverse voltage
V
RSM
24
36
48
V
* Maximum average forward rectified current
0.375" (9.5mm) lead length at T
L
=90C
I
F(AV)
1.0
A
* Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
I
FSM
25
A
(JEDEC Method) at T
L
=70C
Typical thermal resistance junction-to-ambient (glass)
R
JA
130
(Note 2)
junction-to-ambient (plastic)
R
JA
50
C/W
junction-to-lead (plastic)
R
JL
15
*Storage temperature range
T
J,
T
STG
65 to +125
C
Electrical Characteristics
(T
A
= 25C unless otherwise noted)
Parameter
Symbol
1N5817
1N5818
1N5819
Unit
* Maximum instantaneous forward voltage at 1.0
(Note 1)
V
F
0.450
0.550
0.600
V
* Maximum instantaneous forward voltage at 3.1
(Note 1)
V
F
0.750
0.875
0.900
V
* Maximum average reverse current
T
A
= 25C
I
R
1.0
mA
at rated DC blocking voltage
(Note 1)
T
A
= 100C
10
Typical junction capacitance at 4.0V, 1.0MHz
C
J
110
pF
*
JEDEC registered values
Notes: (1) Pulse test: 300
s pulse width, 1% duty cycle
(2) Thermal resistance from junction to lead vertical P.C.B. mounted, 0.375" (9.5mm) lead length with 1.5 x 1.5" (38 x 38mm) copper pads
www.comchiptech.com
COMCHIP
COMCHIP
MDS0309002A
Page 2
Schottky Barrier Rectifier
Schottky Barrier Rectifier
Instantaneous F
orw
ard Current (A)
50
10
Instantaneous Re
v
erse Current (mA)
1.0
0.1
0.01
Fig. 1 - Forward Current Derating Curve
0
0.25
0.5
0.75
0
40
60
20
80
100
120
140
1.0
A
v
er
age F
orw
ard Current (A)
P
eak F
orw
ard Surge Current (A)
Number of Cycles at 60 H
Z
Fig. 2 - Maximum Non-Repetitive Peak
Forward Surge Current
Case Temperature (
C)
Fig. 3 - Typical Instantaneous
Forward Characteristics
1.0
10
100
0.01
0.001
0.1
T
J
= 125
C
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
T
r
ansient
Ther
mal Impedance (
C/W)
0.01
1
10
100
10
100
0.1
0.1
1
t -- Pulse Duration (sec.)
T
J
= 125
C
Fig. 5 - Typical Junction Capacitance
J
unction Capacitance (pF)
1
10
100
100
400
10
0.1
Reverse Voltage (V)
T
J
= 25
C
f = 1.0 MH
Z
V
sig
= 50mVp-p
Instantaneous Forward Voltage (V)
0
0.4
0.2
1.2
0.8
0.6
1.4
1.6
1.0
Pulse Width = 300
s
1% Duty Cycle
0
20
100
40
60
80
Fig. 6 - Typical Transient
Thermal Impedance
Percent of Rated Peak Reverse Voltage (%)
T
J
= 25
C
T
J
= 75
C
T
J
= 25
C
Fig. 4 - Typical Reverse Characteristics
1
10
100
0
5
10
15
20
25
30
Ratings and Characteristic Curves
(T
A
= 25C unless otherwise noted)
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