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Cathode Anode
DO-204AL
PRODUCT SUMMARY
Package DO-204AL (DO-41)
I
F(AV)
V
R
V
at I
F
F
I
max. 10 mA at 125 °C
RM
max. 150 °C
T
J
Diode variation Single die
E
AS
VS-1N5817, VS-1N5817-M3
Schottky Rectifier, 1.0 A
FEATURES
• Low profile, axial leaded outline
• High frequency operation
• Very low forward voltage drop
• High purity, high temperature epoxy
encapsulation for enhanced mechanical
strength and moisture resistance
• Guard ring for enhanced ruggedness and
long term reliability
• Compliant to RoHS Directive 2002/95/EC
• Designed and qualified for commercial level
1 A
20 V
See Electrical table
See Electrical table
• Halogen-free according to IEC 61249-2-21 definition
(-M3 only)
DESCRIPTION
The VS-1N5817... axial leaded Schottky rectifier has been
optimized for very low forward voltage drop, with moderate
leakage. Typical applications are in switching power
supplies, converters, freewheeling diodes, and reverse
battery protection.
Vishay Semiconductors
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
V
I
FSM
V
T
RRM
F
J
Rectangular waveform 1.0 A
20 V
tp = 5 μs sine 240 A
1 Apk, TJ = 25 °C 0.45 V
Range - 65 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-1N5817 VS-1N5817-M3 UNITS
Maximum DC reverse voltage V
Maximum working peak reverse voltage V
R
RWM
20 20 V
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current I
Maximum peak one cycle
non-repetitive surge current at T
= 25 °C
J
F(AV)
I
FSM
50 % duty cycle at TL = 138 °C, rectangular waveform 1.0
5 µs sine or 3 µs rect. pulse
10 ms sine or 6 ms rect. pulse 40
Following any rated load
condition and with rated
V
applied
RRM
240
A
Revision: 21-Sep-11
1
For technical questions within your region: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Document Number: 93255
Page 2
VS-1N5817, VS-1N5817-M3
dP
tot
dT
J
-------------
1
R
thJA
--------------<
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ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS TYP. MAX. UNITS
1 A
RM
FM
(1)
3 A 0.50 0.75
TJ = 25 °C
(1)
T
S
T
= 100 °C 2.0 10
J
VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 110 - pF
Measured lead to lead 5 mm from package body 8.0 - nH
Maximum forward voltage drop V
Maximum reverse leakage current I
Typical junction capacitance C
Typical series inductance L
Maximum voltage rate of change dV/dt Rated V
R
T
= 25 °C
J
V
= Rated V
R
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and storage
temperature range
Maximum thermal resistance,
junction to lead
Maximum thermal resistance,
junction to ambient
Approximate weight
Marking device Case style DO-204AL (DO-41) 1N5817
Note
(1)
thermal runaway condition for a diode on its own heatsink
(1)
, T
T
J
Stg
R
thJL
R
thJA
DC operation
Lead length = 1/8"
DC operation
Without cooling fin
Vishay Semiconductors
0.42 0.45
0.012 1.0
R
- 10 000 V/µs
- 65 to 150 °C
32
°C/W
100
0.33 g
0.012 oz.
V
mA
Revision: 21-Sep-11
For technical questions within your region: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
2
Document Number: 93255
Page 3
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I
R
- Reverse Current (mA)
VR - Reverse Voltage (V)
93255_02
0.0001
0.001
0.01
0.1
1
10
100
0 5 10 15 20
TJ = 150° C
TJ = 125° C
TJ = 100° C
TJ = 75° C
TJ = 25° C
TJ = 50° C
C
T
- Junction Capacitance (pF)
VR - Reverse Voltage (V)
93255_03
10
100
1000
0 5 10 15 20
TJ = 25 °C
Allowable Lead Temperature (°C)
I
F(AV)
- Average Forward Current (A)
93255_04
130
135
140
145
150
0 0.4 0.8 1.2 1.6
DC
see note (1)
Square wave
(D = 0.5)
Average Forward Current - I
F(AV)
(A)
Average Power Loss (W)
93255_05
0
0.1
0.2
0.3
0.4
0.5
0 0.4 0.8 1.2 1.6
DC
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
100
10
1
T = 150 °C
T = 125 °C
T = 25 °C
0.1
- Instantaneous Forward Current (A)
F
I
93255_01
Fig. 1 - Maximum Forward Voltage Drop Characteristics
0 0.2 0.4 0.6 0.8 1
VFM - Forward Voltage Drop (V)
VS-1N5817, VS-1N5817-M3
Vishay Semiconductors
Fig. 4 - Maximum Average Forward Current vs.
Allowable Lead Temperature
Fig. 2 - Typical Peak Reverse Current vs.
Note
(2)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Formula used: TC = TJ - (Pd + Pd
Pd = Forward power loss = I
Revision: 21-Sep-11
For technical questions within your region: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
Fig. 5 - Maximum Average Forward Dissipation vs.
Reverse Voltage
1000
100
- Non-Repetitive Surge Current (A)
10
FSM
I
93255_06
Average Forward Current
At Any Rated Load Condition
And With rated V
Following Surge
TJ = 25 °C
10 100 1000 10 000
tp - Square Wave Pulse Duration (µs)
Fig. 6 - Maximum Peak Surge Forward Current vs.
Pulse Duration
) x R
x VFM at (I
F(AV)
REV
;
thJC
/D) (see fig. 6); Pd
F(AV)
= Inverse power loss = VR1 x IR (1 - D)
REV
3
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
RRM
Applied
Document Number: 93255
Page 4
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ORDERING INFORMATION TABLE
VS-1N5817, VS-1N5817-M3
Vishay Semiconductors
Device code
VS-
1
2
3
1N5817 TR
1
- Vishay Semiconductors product
- Part number: 1 A, 20 V
- TR = Tape and reel package
2 3
-M3
4
None = Box package
- Environmental digit
4
None = Lead (Pb)-free and RoHS compliant
-M3 = Halogen-free, RoHS compliant, and terminations lead (Pb)-free
ORDERING INFORMATION (Example)
PREFERRED P/N QUANTITY PER T/R MINIMUM ORDER QUANTITY PACKAGING DESCRIPTION
VS-1N5817 1000 1000 Bulk
VS-1N8517TR 5000 5000 Tape and reel
VS-1N5817-M3 1000 1000 Bulk
VS-1N5817TR-M3 5000 5000 Tape and reel
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95241
Part marking information www.vishay.com/doc?95304
Packaging information www.vishay.com/doc?95338
Revision: 21-Sep-11
For technical questions within your region: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
4
Document Number: 93255
Page 5
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DIMENSIONS in millimeters (inches)
Outline Dimensions
Vishay Semiconductors
Axial DO-204AL (DO-41)
27.0 (1.06) MIN.
(2 places)
0.86 (0.034)
0.72 (0.028)
(2 places)
DIA.
2.70 (0.106)
2.29 (0.090)
5.21 (0.205)
MAX.
DIA.
Cathode band
5.21 (0.205)
MAX.
0.86 (0.034)
0.72 (0.028)
(2 places)
DIA.
27.0 (1.06) MIN.
(2 places)
1.27 (0.050) MAX.
Flash (2 places)
2.70 (0.106)
2.29 (0.090)
DIA.
Revision: 29-Aug-11
For technical questions within your region: [email protected]
1
Document Number: 95241
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Page 6
Legal Disclaimer Notice
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Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
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Document Number: 91000
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