1N5817-1N5819
1N5817 - 1N5819
Features
•
1.0 ampere operation at TA = 90°C
with no thermal runaway.
•
For use in low voltage, high
frequency inverters free
wheeling, and polarity
protection applications.
DO-41
COLOR BAND DENOTES CATHODE
Schottky Rectifiers
Absolute Maximum Ratings*
Symbol
TA = 25°C unless otherwise noted
Value
Parameter
1N5817 1N5818
VRRM
Maximum Repetitive Reverse Voltage
IF(AV)
Average Rectified Forward Current
.375 " lead length @ TA = 90°C
Non-repetitive Peak Forward Surge Current
8.3 ms Single Half-Sine-Wave
Storage Temperature Range
1.0
A
25
-65 to +125
A
°C
Operating Junction Temperature
-65 to +125
°C
Value
Units
1.25
W
80
°C/W
IFSM
Tstg
TJ
20
30
Units
1N5819
40
V
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics
Symbol
Parameter
PD
Power Dissipation
RθJA
Thermal Resistance, Junction to Ambient
Electrical Characteristics
Symbol
TA = 25°C unless otherwise noted
Device
Parameter
1N5817 1N5818
VF
Forward Voltage
IR
Reverse Current @ rated VR
CT
Total Capacitance
VR = 4.0 V, f = 1.0 MHz
2001 Fairchild Semiconductor Corporation
@ 1.0 A
@ 3.0 A
TA = 25°C
TA = 100°C
450
750
550
875
0.5
10
110
Units
1N5819
600
900
mV
mV
mA
mA
pF
1N5817-1N5819, Rev. C
(continued)
1
20
10
0.75
SINGLE PHASE
HALF WAVE
60HZ
RESISTIVE OR
INDUCTIVE LOAD
.375" 9.5 mm LEAD
LENGTHS
0.5
0.25
0
Forward Current, IF [A]
Average Rectified Forward Current, IF [A]
Typical Characteristics
0
20
40
60
80
100
Lead Temperature [ºC]
120
30
T J = 25ºC
µS
Pulse Width = 300µ
1% Duty Cycle
0.4
0.6 0.8
1
1.2 1.4 1.6
Forward Voltage, VF [V]
1.8
2
400
25
8.3ms Single Half Sine-Wave
JEDEC Method
20
15
10
5
0
1N5818
1
Figure 2. Forward Voltage Characteristics
Total Capacitance, CT [pF]
Peak Forward Surge Current, IFSM [A]
Figure 1. Forward Current Derating Curve
1N5819
0.1
0.2
140
1N5817
1
2
5
10
20
Number of Cycles at 60Hz
50
100
Figure 3. Non-Repetitive Surge Current
2001 Fairchild Semiconductor Corporation
200
T J = 25ºC
100
80
60
40
20
10
0.1
0.5 1
5 10
Reverse Voltage, VR [V]
40 60 100
Figure 4. Total Capacitance
1N5817-1N5819, Rev. C
1N5817-1N5819
Schottky Rectifiers
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
ACEx™
Bottomless™
CoolFET™
CROSSVOLT™
DenseTrench™
DOME™
EcoSPARK™
E2CMOSTM
EnSignaTM
FACT™
FACT Quiet Series™
FAST 
FASTr™
FRFET™
GlobalOptoisolator™
GTO™
HiSeC™
ISOPLANAR™
LittleFET™
MicroFET™
MicroPak™
MICROWIRE™
OPTOLOGIC™
OPTOPLANAR™
PACMAN™
POP™
Power247™
PowerTrench 
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SILENT SWITCHER 
SMART START™
STAR*POWER™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
TruTranslation™
UHC™
UltraFET 
VCX™
STAR*POWER is used under license
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
2. A critical component is any component of a life
systems which, (a) are intended for surgical implant into
support device or system whose failure to perform can
the body, or (b) support or sustain life, or (c) whose
be reasonably expected to cause the failure of the life
failure to perform when properly used in accordance
support device or system, or to affect its safety or
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or
In Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. H4