FST Datasheet

FST
www.vishay.com
Vishay Huntington
Wirewound Resistor, Industrial Power,
Silicone Coated, Fixed Tubular
FEATURES
• High temperature silicone coating
• Complete welded construction
• Available in non-inductive style (special “NI”)
with Ayrton-Perry winding
• Tight tolerance of 5 % for values above 1 
• Excellent stability in operation (< 3 % change
resistance)
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
FST005
FST005...NI
FST010
FST010...NI
FST020
FST020...NI
FST025
FST025...NI
FST25A
FST25A...NI
FST25B
FST25B...NI
FST050
FST050...NI
FST50A
FST50A...NI
FST50B
FST50B...NI
FST075
FST075...NI
FST75A
FST75A...NI
FST100
FST100...NI
FST130
FST130...NI
FST160
FST160...NI
FST200
FST200...NI
FST225
FST225...NI
Revision: 19-Mar-15
RESISTANCE
RANGE

RESISTANCE
RANGE

WEIGHT
(typical)
g
HISTORICAL
MODEL
POWER RATING
P25 °C
W
±5%
± 10 %
FST-5
5
1.0 to 20.5K
0.1 to 20.5K
4.60
FST-5-...-NI
5
1.0 to 750
1.0 to 750
4.60
FST-10
12
1.0 to 58K
0.1 to 58K
6.7
FST-10-...-NI
12
1.0 to 3.9K
1.0 to 3.9K
6.7
FST-20
20
1.0 to 95K
0.1 to 95K
12.57
FST-20-...-NI
20
1.0 to 6.8K
1.0 to 6.8K
12.57
FST-25
25
1.0 to 115K
0.1 to 115K
20.7
FST-25-...-NI
25
1.0 to 8.8K
1.0 to 8.8K
20.7
FST-25A
30
1.0 to 56K
0.1 to 56K
20.7
FST-25A-...-NI
30
1.0 to 7.25K
1.0 to 7.25K
20.7
FST-25B
30
1.0 to 49K
0.1 to 49K
14.5
FST-25B-...-NI
30
1.0 to 6.8K
1.0 to 6.8K
14.5
42.1
FST-50
50
1.0 to 112K
0.1 to 112K
FST-50-...-NI
50
1.0 to 21.5K
1.0 to 21.5K
42.1
FST-50A
60
1.0 to 145K
0.1 to 145K
65.6
FST-50A-...-NI
60
1.0 to 27.2K
1.0 to 27.2K
65.6
FST-50B
70
1.0 to 170K
0.1 to 170K
60.0
FST-50B-...-NI
70
1.0 to 31.4K
1.0 to 31.4K
60.0
FST-75
75
1.0 to 276K
0.1 to 276K
98.5
FST-75-...-NI
75
1.0 to 35K
1.0 to 35K
98.5
64.8
FST-75A
90
1.0 to 238K
0.1 to 238K
FST-75A-...-NI
90
1.0 to 31K
1.0 to 31K
64.8
FST-100
100
1.0 to 260K
0.1 to 260K
91.4
FST-100-...-NI
100
1.0 to 48.5K
1.0 to 48.5K
91.4
FST-130
130
1.0 to 380K
0.1 to 380K
192.4
FST-130-...-NI
130
1.0 to 70.2K
1.0 to 70.2K
192.4
FST-160
175
1.0 to 470K
0.1 to 470K
250.8
FST-160-...-NI
175
1.0 to 105K
1.0 to 105K
250.8
FST-200
225
1.0 to 645K
0.1 to 645K
310.0
FST-200-...-NI
225
1.0 to 121K
1.0 to 121K
310.0
FST-225
225
1.0 to 645K
0.1 to 645K
310.0
FST-225-...-NI
225
1.0 to 121K
1.0 to 121K
310.0
Document Number: 31840
1
For technical questions, contact: [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
FST
www.vishay.com
Vishay Huntington
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: FST02506E25R00JE (visit www.vishay.net SAP parts manual for all options)
F
S
T
GLOBAL MODEL
(6 digits)
(See Standard
Electrical
Specifications
Global Model
column for
options)
0
2
5
0
TERMINAL
DESIGNATION
(2 digits)
TERMINAL
FINISH
(1 digit)
02, 05,
06, 14,
15, 20
FC = Ferrule
cap
E = Lead
(Pb)-free
6
E
2
5
R
0
0
J
E
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING CODE
(1 digit)
SPECIAL
(up to 2 digits)
R = Decimal
K = Thousand
1R500 = 1.5 
1K500 = 1.5 k
J=±5%
K = ± 10 %
E = Lead (Pb)-free
cell and bulk pack
(Dash number)
From 1 to 99 as applicable
91 = 100 style horizontal
high bracket
92 = 200 style
push-in bracket
93 = 300 style
thru-bolt bracket
Historical Part Number example: FST-25-25-5 %
FST-25
25 
5%
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE
Revision: 19-Mar-15
SPECIAL
Document Number: 31840
2
For technical questions, contact: [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
FST
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Vishay Huntington
DIMENSIONS in inches (millimeters)
TERMINAL SETBACK
DISTANCE CENTER TO CENTER
A
O.D.
I.D.
LENGTH
CORE DIMENSIONS
A
MAX.
MODEL
LENGTH
± 0.062
(1.59)
1.000
(25.40)
1.750
(44.45)
2.000
(50.8)
2.000
(50.8)
2.000
(50.8)
2.000
(50.8)
4.000
(101.6)
4.000
(101.6)
4.500
(114.3)
6.000
(152.4)
6.000
(152.4)
6.500
(165.1)
6.500
(165.1)
8.500
(215.9)
10.500
(266.7)
0.406
(10.31)
0.406
(10.31)
0.563
(14.30)
0.688
(17.48)
0.906
(23.01)
0.770
(19.56)
0.688
(17.48)
0.906
(23.01)
0.906
(23.01)
0.688
(17.48)
0.906
(23.01)
0.906
(23.01)
1.313
(33.35)
1.313
(33.35)
1.313
(33.35)
FST005
FST010
FST020
FST025
FST25A
FST25B
FST050
FST50A
FST50B
FST075
FST75A
FST100
FST130
FST160
FST200
FST225
O.D.
± 0.031
(0.79)
0.313
(7.95)
0.313
(7.95)
0.438
(11.13)
0.563
(14.30)
0.750
(19.05)
0.625
(15.88)
0.563
(14.30)
0.750
(19.05)
0.750
(19.05)
0.563
(14.30)
0.750
(19.05)
0.750
(19.05)
1.125
(28.58)
1.125
(28.58)
1.125
(28.58)
I.D.
± 0.031
(0.79)
0.188
(4.78)
0.188
(4.78)
0.260
(6.60)
0.313
(7.95)
0.500
(12.70)
0.453
(11.51)
0.313
(7.95)
0.500
(12.70)
0.547
(13.89)
0.313
(7.95)
0.500
(12.70)
0.500
(12.70)
0.750
(19.05)
0.750
(19.05)
0.750
(19.05)
TERMINAL
SETBACK
± 0.031
(0.79)
DISTANCE
CENTER TO
CENTER
(REF.)
0.094
(2.39)
0.094
(2.39)
0.094
(2.39)
0.094
(2.39)
0.094
(2.39)
0.094
(2.39)
0.094
(2.39)
0.062
(1.57)
0.125
(3.18)
0.094
(2.39)
0.094
(2.39)
0.125
(3.18)
0.282
(7.16)
0.267
(6.78)
0.266
(6.76)
0.625
(15.88)
1.375
(34.93)
1.625
(41.28)
1.562
(39.67)
1.562
(39.67)
1.562
(39.67)
3.562
(90.47)
3.626
(92.10)
4.000
(101.60)
5.562
(141.27)
5.562
(141.27)
6.000
(152.40)
5.374
(136.50)
7.404
(188.06)
9.406
(238.91)
TERMINAL DESIGNATION
STANDARD
OPTIONAL
(QUICK
CONNECT)
05
14
05
14
02
14
06
15
06
15
06
15
06
15
06
15
06
15
06
15
06
15
06
15
20
15
20
15
20
15
TERMINAL DIMENSIONS in inches (millimeters)
DIMENSIONS
A
D
C
Style 02, 05, 06,
and 20
Revision: 19-Mar-15
A
D
02
05
06
14
15
WIDTH A
0.375
(9.53)
0.188
(4.76)
0.188
(4.76)
0.250
(6.35)
0.188
(4.76)
0.250
(6.35)
HEIGHT B
0.562
(14.07)
0.393
(9.98)
0.393
(9.98)
0.500 0.563 0.594
(12.70) (14.29) (15.08)
DIAMETER C
0.204
(5.18)
0.133
(3.38)
0.133
(3.38)
0.172
(4.36)
0.050
(1.27)
0.065
(1.65)
THICKNESS D
0.020
(0.51)
0.020
(0.51)
0.020
(0.51)
0.020
(0.51)
0.020
(0.51)
0.031
(0.79)(
C
B
Styles 14 and 15
B
TERMINAL STYLE
20
Document Number: 31840
3
For technical questions, contact: [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
FST
www.vishay.com
Vishay Huntington
DIMENSIONS in inches (millimeters)
MOUNTING HARDWARE
AVAILABLE BRACKET TYPES BY MODEL
91 = 100
STYLE
HORIZONTAL
1 HIGH
BRACKET
92 = 200
STYLE
PUSH-IN
BRACKET
FST005
n/a
202
n/a
FST010
101
202
301
GLOBAL
MODEL
91 = 100 Style Horizontal 1 High Bracket
93 = 300
STYLE
THRU-BOLT
BRACKET
B
C
Core length plus “X”
BRACKET
TYPE
101
FST020
101
H
0.046 (1.17)
203
301
102
FST025
102
204
301
FST25A
102
206
302
FST25B
102
205
301
FST050
102
204
302
FST50A
102
206
302
FST50B
102
208
302
FST075
102
204
301
103
X
Y
Z
H
1.063
(26.99)
1.063
(26.99)
1.063
(26.99)
0.500
(12.70)
0.750
(19.05)
1.250
(31.75)
0.950
(24.13)
0.859
(21.83)
1.000
(25.40)
1.000
(25.40)
1.250
(31.75)
1.500
(38.10)
MOUNTING
SLOT
0.219 x 0.438
(5.56 x 11.11)
0.219 x 0.438
(5.56 x 11.11)
0.281 x 0.563
(7.14 x 14.29)
C
B
0.750
(19.05)
0.750
(19.05)
0.927
(23.55)
1.375
(34.93)
1.750
(44.45)
2.125
(53.98)
92 = 200 Style Push-In Bracket
Z
Y
BRACKET
TYPE
202
FST75A
102
206
302
FST100
102
206
302
204
FST130
103
207
302
205
FST200
103
207
303
206
FST225
103
207
303
203
207
208
H
Core length
plus “X”
X
H
Y
Z
0.478
(12.14)
0.583
(14.80)
0.700
(17.78)
0.846
(21.49)
0.846
(21.49)
0.700
(17.78)
0.846
(21.49)
0.250
(6.35)
0.580
(14.73)
0.578
(14.68)
0.800
(20.32)
0.800
(20.62)
1.125
(28.58)
0.800
(20.62)
0.125
(3.175)
0.188
(4.78)
0.250
(6.35)
0.375
(9.53)
0.375
(9.53)
0.500
(12.70)
0.375
(9.53)
0.375
(9.53)
0.460
(11.68)
0.500
(12.70)
0.600
(15.24)
0.600
(15.24)
0.687
(17.45)
0.600
(15.24)
HOLE
(DIA.)
0.170
(4.32)
0.115
(2.92)
0.156
(3.96)
0.343 x 0.213
(8.71 x 5.46)
0.343 x 0.213
(8.71 x 5.46)
0.250 x 0.188
(6.35 x 4.78)
0.343 x 0.213
(8.71 x 5.46)
93 = 300 Style Thru-Bolt Bracket
BRACKET
TYPE
301
302
303
Revision: 19-Mar-15
X
(APPROXIMATE)
0.373
(9.47)
0.271
(6.88)
0.463
(11.76)
THREAD
8 to 32
8 to 32
1/4 to 20
Document Number: 31840
4
For technical questions, contact: [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
FST
www.vishay.com
Vishay Huntington
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RESISTOR CHARACTERISTICS
Power Rating
W
5 to 225
Resistance Range

0.1 to 645K
Resistance Tolerance
%
5
Temperature Coefficient
ppm/°C
± 260 for 20  and above, ± 400 for 1  to 19.99 
Operating Temperature
°C
-55 °C to 350°C
Temperature Rise
°C
325 °C above an ambient of 25 °C
Maximum Altitude
f.a.s.l.
10 000
-
10x rated power for 5 s
Short-Term Overload
Surge Windings
Available
Maximum Working Voltage
(P x R)0.5

1M
VRMS
1000 VAC
Insultation Resistance
Dielectric Voltage
Creepage
Varies by wattage, see “Terminal Setback” in Dimensions table
Terminal Sleeves
n/a
Inductance
μH
Varies by wattage and resistance
Non-Inductive Winding
Available
Terminal Strength
lb
10 lbs
Electrical or Mechanical Customization
Contact factory: [email protected]
MATERIAL SPECIFICATIONS
Element
Copper-nickel alloy or nickel-chrome alloy, depending on resistance value
Core
Cordierite, steatite
Coating
Special high temperature silicone
Standard Terminals
Tinned alloy 42
Optional Terminals
Alloy 42
Terminal Bands
Alloy 42
Part Marking
HEI, model, wattage, value, tolerance, date code
NON-INDUCTIVE
Models of equivalent physical and electrical specifications are available with non-inductive (Ayrton-Perry) winding. They are
identified by adding the letters “NI” to the end of the part number in the special section. For non-inductive models the maximum
resistance values are lower, see Standard Electrical Specifications table.
RATED POWER IN %
DERATING
120
100
80
60
40
20
0
0
50
100
150
200
250
300
350
25
AMBIENT TEMPERATURE IN °C
Revision: 19-Mar-15
Document Number: 31840
5
For technical questions, contact: [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
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Vishay
Disclaimer
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definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
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Revision: 02-Oct-12
1
Document Number: 91000