Schottky Barrier Rectifier
COMCHIP
www.comchiptech.com
1N5817 thru 1N5819
Reverse Voltage: 20 to 40V
Forward Current: 1.0A
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
DO-41
1.0 (25.4)
Min.
0.107 (2.7)
0.080 (2.0)
Dia.
Mechanical Data
- Case: JEDEC DO-41 molded plastic body
- Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
- High temperature soldering guaranteed:
250°C/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
0.205 (5.2)
0.160 (4.1)
1.0 (25.4)
Min.
0.034 (0.86)
0.028 (0.71)
Dia.
Dimensions in inches and (millimeters)
Maximum Ratings and Thermal Characteristics
(T
A
= 25°C unless otherwise noted)
Parameter
* Maximum repetitive peak reverse voltage
Maximum RMS voltage
* Maximum DC blocking voltage
* Maximum non-repetitive peak reverse voltage
* Maximum average forward rectified current
0.375" (9.5mm) lead length at T
L
=90°C
* Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
(JEDEC Method) at T
L
=70°C
Typical thermal resistance – junction-to-ambient (glass)
(Note 2)
– junction-to-ambient (plastic)
– junction-to-lead (plastic)
*Storage temperature range
Symbol
V
RRM
V
RMS
V
DC
V
RSM
I
F(AV)
I
FSM
R
ΘJA
R
ΘJA
R
ΘJL
T
J,
T
STG
(T
A
= 25°C unless otherwise noted)
1N5817
20
14
20
24
1N5818
30
21
30
36
1.0
25
130
50
15
–65 to +125
1N5819
40
28
40
48
Unit
V
V
V
V
A
A
°C/W
°C
Electrical Characteristics
Parameter
Symbol
(Note 1)
(Note 1)
1N5817
0.450
0.750
1N5818
0.550
0.875
1.0
10
110
1N5819
0.600
0.900
Unit
V
V
mA
pF
* Maximum instantaneous forward voltage at 1.0
* Maximum instantaneous forward voltage at 3.1
* Maximum average reverse current
at rated DC blocking voltage
(Note 1)
V
F
V
F
I
R
C
J
T
A
= 25°C
T
A
= 100°C
Typical junction capacitance at 4.0V, 1.0MHz
*
JEDEC registered values
Notes:
(1) Pulse test: 300µs 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
MDS0309002A
Page 1
Schottky Barrier Rectifier
COMCHIP
www.comchiptech.com
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 2 - Maximum Non-Repetitive Peak
Forward Surge Current
30
Fig. 1 - Forward Current Derating Curve
1.0
Peak Forward Surge Current (A)
Average Forward Current (A)
0.75
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
25
20
0.5
15
10
5
0
0.25
0
0
20
40
60
80
100
120
140
1
10
100
Case Temperature (
°
C)
Number of Cycles at 60 H
Z
Fig. 3 - Typical Instantaneous
Forward Characteristics
50
T
J
= 125°C
Pulse Width = 300µs
1% Duty Cycle
Fig. 4 - Typical Reverse Characteristics
100
10
Instantaneous Reverse Current (mA)
Instantaneous Forward Current (A)
10
T
J
= 125°C
1.0
1.0
T
J
= 25°C
0.1
T
J
= 75°C
0.1
0.01
T
J
= 25°C
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.001
0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 - Typical Junction Capacitance
400
Fig. 6 - Typical Transient
Thermal Impedance
100
Transient Thermal Impedance (
°
C/W)
Junction Capacitance (pF)
T
J
= 25°C
f = 1.0 MH
Z
V
sig
= 50mVp-p
100
10
1
10
0.1
1
10
100
0.1
0.01
0.1
1
10
100
Reverse Voltage (V)
t — Pulse Duration (sec.)
MDS0309002A
Page 2