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Datasheet> All Categories > Passive components> The resistor> GWS25NISS6R85%LX
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GWS25NISS6R85%LX

Description
Resistor, Wire Wound, 6.8ohm, 300V, 5% +/-Tol, 100,180ppm/Cel,
CategoryPassive components    The resistor   
File Size178KB，11 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
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GWS25NISS6R85%LX Overview

Resistor, Wire Wound, 6.8ohm, 300V, 5% +/-Tol, 100,180ppm/Cel,

GWS25NISS6R85%LX Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid968593932
Reach Compliance Codecompliant
ECCN codeEAR99
structureWelded
Package diameter11.8 mm
Package length55 mm
Package formPanel Mount
method of packingBulk
Rated power dissipation(P)18 W
resistance6.8 Ω
technologyWIRE WOUND
Temperature Coefficient100,180 ppm/°C
Tolerance5%
Operating Voltage300 V

GWS25NISS6R85%LX Preview

GWS, GWS E, GWS Ni
www.vishay.com
Vishay Draloric
Vitreous Wirewound Resistors with Lugs
FEATURES
• Lugs with various termination styles suitable for
soldering or bolt connection
• Excellent pulse load capability
• Adjustable type (E) available
• Non inductive type (Ni) available
• Non-flammable and enhanced humidity protection
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
The GWS series, with completely welded construction, is
the perfect choice for high continuous power dissipation up
to 500 W with the option for adjustable (GWS E) and
non-inductive (GWS Ni) types. The components of this
series are well suited for harsh environments and exhibit a
long lifetime. With their high pulse power capability, they are
the ideal choice as inrush current limiters. Typical
applications include but are not limited to drive systems,
power supplies, frequency inverters, AC and DC filters, and
snubber resistors. For a given application, requirements of
ohmic value, rated power, peak voltage, pulse shape, pulse
duration, termination style, and environmental conditions
may be submitted to recommend the most suitable product.
APPLICATIONS
• Inrush current limiter
• Capacitor charge / discharge
• Snubber resistor
• Brake resistor
• Filter resistor
TECHNICAL SPECIFICATION
TYPE /
VARIANT
DIN
SIZE
RATED
DISSIPATION
P
40
15 W
8 x 45
GWS 15 E
GWS 15 Ni
GWS 20
GWS 20 E
GWS 20 Ni
GWS 25
13 x 55
GWS 25 E
GWS 25 Ni
GWS 35
GWS 35 E
GWS 35 Ni
GWS 50
16 x 63
GWS 50 E
GWS 50 Ni
30 W
13 x 62
22 W
18 W
30 W
10 x 50
15 W
10 W
20 W
RESISTANCE
RANGE
(1)
4.3
to 20 k
30
to 15 k
220
to 20 k
4.3
to 620
5.1
to 910
3.6
to 30 k
180
to 30 k
4.3
to 1.0 k
5.1
to 1.3 k
3.6
to 39 k
25 W
30
to 20 k
91
to 39 k
5.1
to 1.3 k
6.8
to 1.8 k
5.1
to 47 k
56
to 47 k
6.8
to 1.6 k
8.2
to 2.4 k
3.3
to 62 k
40 W
33
to 24 k
100
to 62 k
8.2
to 2.0 k
10
to 3.0 k
RESISTANCE
TOLERANCE
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
400 V
+100 ppm/K to
+180 ppm/K
300 V
OPERATING
VOLTAGE
U
max.
TEMPERATURE
COEFFICIENT
GWS 15
250 V
Revision: 19-Jul-16
Document Number: 21003
1
For technical questions, contact:
ww1resistors@vishay.com
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
GWS, GWS E, GWS Ni
www.vishay.com
Vishay Draloric
TECHNICAL SPECIFICATION
TYPE /
VARIANT
DIN
SIZE
RATED
DISSIPATION
P
40
RESISTANCE
RANGE
(1)
7.5
to 130 k
GWS 75
16 x 100
GWS 75 E
GWS 75 Ni
GWS 100
24 x 100
GWS 100 E
GWS 100 Ni
GWS 220
24 x 165
GWS 220 E
GWS 220 Ni
GWS 300
24 x 265
GWS 300 E
GWS 300 Ni
GWS 500
GWS 500 E
GWS 30/100
GWS 30/100 E
GWS 30/133
GWS 30/133 E
34 x 133
34 x 100
200 W
120 W
60 W
45 W
65 W
15
to 39 k
30
to 130 k
18
to 3.9 k
22
to 6.2 k
6.8
to 110 k
80 W
20
to 51 k
75
to 110 k
13
to 5.1 k
24
to 6.8 k
13
to 160 k
160 W
30
to 100 k
56
to 160 k
30
to 10 k
51
to 16 k
24
to 300 k
300 W
51
to 150 k
110
to 300 k
56
to 20 k
100
to 30 k
39
to 270 k
34 x 330
500 W
300 W
150 W
110 W
200 W
130 W
100
to 240 k
75
to 270 k
100
to 36 k
9.1
to 100 k
27
to 100 k
22
to 8.2 k
13
to 160 k
27
to 160 k
36
to 13 k
RESISTANCE
TOLERANCE
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±3%
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±2%
± 5 %, ± 10 %
± 5 %, ± 10 %
±2%
± 5 %, ± 10 %
2300 V
1600 V
3000 V
2500 V
+100 ppm/K to
+180 ppm/K
1250 V
600 V
800 V
OPERATING
VOLTAGE
U
max.
TEMPERATURE
COEFFICIENT
Notes
• The operating temperature range for these resistors is from -55 °C up to 350 °C.
(1)
Resistance values are to be selected for ± 10 % from the E12 series, and for ± 5 %, ± 3 % and ± 2 % from the E24 series.
Revision: 19-Jul-16
Document Number: 21003
2
For technical questions, contact:
ww1resistors@vishay.com
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
GWS, GWS E, GWS Ni
www.vishay.com
Vishay Draloric
TERMINALS
SL
SS
SB
SSB
FST
e
e
e
e
b
e
TYPE / VARIANT
Lug for soldering
Screw terminal
Terminal with
2 screws, one for
electrical, and one for
mechanical
connection
Terminal with bolt
and 2 hexnuts
Fast on terminal with
6.3 mm x 0.8 mm
DIN 46244
GWS 15
GWS 15 E
GWS 15 Ni
GWS 20
GWS 20 E
GWS 20 Ni
GWS 25
GWS 25 E
GWS 25 Ni
GWS 35
GWS 35 E
GWS 35 Ni
GWS 50
GWS 50 E
GWS 50 Ni
GWS 75
GWS 75 E
GWS 75 Ni
GWS 100
GWS 100 E
GWS 100 Ni
GWS 220
GWS 220 E
GWS 220 Ni
GWS 300
GWS 300 E
GWS 300 Ni
GWS 500
GWS 500 E
GWS 30/100
GWS 30/100 E
GWS 30/133
GWS 30/133 E
e = 1.5 mm
-
-
-
-
e = 2 mm
e = M3 x 16
e = M3 x 16
e = 1.65 mm
b = 6.3 mm
-
e = M4 x 20
e = M4 x 20
e = M4 x 20
Revision: 19-Jul-16
Document Number: 21003
3
For technical questions, contact:
ww1resistors@vishay.com
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
GWS, GWS E, GWS Ni
www.vishay.com
Vishay Draloric
PACKAGING
TYPE
PACKAGING
CODE
LX
QUANTITY
FORMAT
DIMENSION OF PACKAGE
Box size selection according to quantity
and product size
All
Variable
Bulk, separately packed with paper
PART NUMBER AND PRODUCT DESCRIPTION
Part Number: GWS01531009KLX000
G
W
S
0
1
5
3
1
0
0
9
K
L
X
0
0
0
TYPE
GWS015
= GWS 15
GWS020
= GWS 20
GWS025
= GWS 25
GWS035
= GWS 35
GWS050
= GWS 50
GWS075
= GWS 75
GWS100
= GWS 100
GWS220
= GWS 220
GWS300
= GWS 300
GWS500
= GWS 500
GWSN84
= GWS 30/100
GWSN91
= GWS 30/133
VARIANT/
TERMINAL
3
= SL
4
= SS
5
= SB
6
= SSB
7
= FST
8
= E SL
9
= E SS
A
= E SB
B
= E SSB
C
= E FST
D
= Ni SL
E
= Ni SS
F
= Ni SB
G
= Ni SSB
H
= Ni FST
RESISTANCE
3 digit value
1 digit multiplier
MULTIPLIER
7
= *10
-3
8
= *10
-2
9
= *10
-1
0
= *10
0
1
= *10
1
2
= *10
2
3
= *10
3
TOLERANCE
G
=±2%
H
=±3%
J
=±5%
K
= ± 10 %
PACKAGING
LX
=
loose pack,
without quantity
SPECIAL
000
= standard
3 digit code
=
customized version
Product Description: GWS15 SL 10R 10 %
GWS15
SL
10R
10 %
TYPE
GWS15
GWS20
GWS25
GWS35
GWS50
GWS75
GWS100
GWS220
GWS300
GWS500
GWS30/100
GWS30/133
VARIANT / TERMINAL
SL
SS
SB
SSB
FST
E SL
E SS
E SB
E SSB
E FST
NI SL
NI SS
NI SB
NI SSB
NI FST
RESISTANCE
4R3
= 4.3
300K
= 300 k
TOLERANCE
±
2%
±
3%
±
5%
±
10 %
Note
• The products can be ordered using either the PRODUCT DESCRIPTION or the PART NUMBER.
Revision: 19-Jul-16
Document Number: 21003
4
For technical questions, contact:
ww1resistors@vishay.com
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
GWS, GWS E, GWS Ni
www.vishay.com
DESCRIPTION
Vitreous wirewound resistors are best suited for the use in
demanding environmental conditions. Their rugged design
and durable coating enable these resistors to withstand
extreme environmental stress. The vitreous coating is
designed for high stability and a long lifetime in humid
environments. The coating is resistant to all cleaning
chemicals commonly used in the electronic industry.
Production is strictly controlled and follows an extensive set
of instructions established for reproducibility. The winding is
done with specific materials on a specially developed fine
ceramic body (Al
2
O
3
). The ceramic used meets the highest
requirements against mechanical resistance, thermal
shocks, dielectric strength, and insulation resistance at high
temperatures. With different diameters and turn spacings, a
large ohmic value range can be offered. The glaze is fired
layer by layer several times at high temperatures (> 600 °C).
The resistors are marked with type, resistance, and
tolerance.
Product quality is verified by testing procedures, performed
on all individual resistors.
The GWS series meet single lot / date code packaging
requirements.
Vishay Draloric
ASSEMBLY
The resistors are available with lug style terminals (SL style)
for soldering, multiple screw terminal options (SS style, SB
style, or SSB style) for mechanical and electrical fixing, or
fast plug terminals (FST style) for assembly / disassembly
processes. The terminals of the resistors are completely
lead (Pb)-free. The special tin plating used provides
compatibility with lead (Pb)-free and lead-containing
soldering processes.
3D-Models are available on request, please inquire at
ww1resistors@vishay.com.
Different mounting accessories are available for fixing, see
the datasheet:
www.vishay.com/doc?21015.
In case of the adjustable version, the slider should be only
moved after removal of voltage and sufficient loosening of
the screw.
APPLICATION INFORMATION
The power dissipation of the resistor generates a
temperature rise with respect to the ambient. The
permissible dissipation is derated for temperatures above
40 °C, as shown in the derating diagram, in order to avoid
overheating of the resistor. The heat dissipated from the
resistor may affect adjacent components, hence proper
clearance will be required in order to avoid overheating.
The resistive wire is hermetically encapsulated. All materials
used are non-flammable and inorganic according to
UL 94-V0.
These resistors do not feature a limited lifetime when
operated within the permissible limits. However, resistance
value drift increasing over operating time may result in
exceeding a limit acceptable to the specific application,
thereby establishing a functional lifetime.
MATERIALS
Vishay acknowledges the following systems for the
regulation of hazardous substances:
• IEC 62474, Material Declaration for Products of and for the
Electrotechnical Industry, with the list of declarable
substances given therein
(1)
• The Global Automotive Declarable Substance List
(GADSL)
(2)
• The REACH regulation (1907/2006/EC) and the related list
of substances with very high concern (SVHC)
(3)
for its
supply chain
The products do not contain any of the banned substances
as per IEC 62474, GADSL, or the SVHC list, see
www.vishay.com/how/leadfree.
Hence the products fully comply with the following
directives:
• 2000/53/EC End-of-Life Vehicle Directive (ELV) and
Annex II (ELV II)
• 2011/65/EU Restriction of the Use of Hazardous
Substances
Directive
(RoHS)
with
amendment
2015/863/EU
• 2012/19/EU Waste Electrical and Electronic Equipment
Directive (WEEE)
Vishay pursues the elimination of conflict minerals from its
supply chain, see the Conflict Minerals Policy at
www.vishay.com/doc?49037.
RELATED PRODUCTS
In lower continuous power applications and less demanding
environmental conditions the cement coated alternative, like
the ZWS series might be suitable, see the datasheet:
“Cemented Wirewound Resistors with Lugs”
www.vishay.com/doc?21010
For products according to MIL-PRF-26 with higher
continuous voltage, see the datasheet:
www.vishay.com/doc?21005
For low ohmic values and rated dissipation up to 1000 W,
there is the vitreous coated GBS series, see the datasheet:
“Vitreous Wirewound Resistors with Corrugated Ribbon”
www.vishay.com/doc?21004
Notes
(1)
The IEC 62474 list of declarable substances is maintained in a dedicated database, which is available at
http://std.iec.ch/iec62474.
(2)
The Global Automotive Declarable Substance List (GADSL) is maintained by the American Chemistry Council, and available at
www.gadsl.org.
(3)
The SVHC list is maintained by the European Chemical Agency (ECHA) and available at
http://echa.europa.eu/candidate-list-table.
Revision: 19-Jul-16
Document Number: 21003
5
For technical questions, contact:
ww1resistors@vishay.com
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
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