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SP20FUL15R0KLF

Description
Wirewound Resistors - Through Hole
CategoryPassive components   
File Size633KB,3 Pages
ManufacturerTT Electronics plc
Websitehttp://www.ttelectronics.com/
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SP20FUL15R0KLF Overview

Wirewound Resistors - Through Hole

SP20FUL15R0KLF Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerTT Electronics plc
Product CategoryWirewound Resistors - Through Hole
Resistors
General-Purpose Failsafe
General-Purpose Failsafe
Moulded Wirewound Resistors
Moulded Wirewound Resistors
SP20 / SP20F Series
SP20/SP20F Series
SP20F UL1412 recognised fusing
Drop-in replacement for
*
BW20/BW20F
0.1 ohm to 1200 ohms
Predictable fusing characteristics
F version has flame resistant coating
1 watt rated with 1/2 watt dimensions
1 watt rated with 1/2 watt dimensions
Drop-in replacement BW20 / BW20F
0.1 ohm to 1200 ohms
Weldable and solderable magnetic lead
Weldable and solderable magnetic leads
* UL file number E234469
Welwyn Components
TCR’s as low as ±150 ppm/°C standard (custom TC’s available)
Lead free, RoHS compliant construction available
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
Electrical Data
Type
EIA RS-344 Style
MIL-R-11 Style
Resistance Range
UL Recognised Range
Tolerance
Power rating
ohms
ohms
%
watts
1 at 50°C
0.75 at 70°C
0.5 at 100°C
Derating to 0 at 160°C
Maximum continuous working voltage
Minimum insulation resistance
Minimum dielectric withstanding volts
Reduced pressure
Hotspot temperature rise
Current noise
dry
wet
ATM
RMS
√PR
10,000 Meg
100 Meg
700V
450V
120°C at 1 watt
Negligible
0R1 to 1k2
N/A
±5, ±10
1 at 50°C
0.75 at 70°C
-
Derating to 0 at 160°C
SP20
CRU 1
RC20/RC32
0R1 to 1k
1R0 to 470R
SP20F
Physical Data
Dimensions (mm)
Type
SP20
SP20F
L
9.91±0.25
9.91±0.25
D
3.56±0.20
3.56±0.20
d
0.813±0.05
0.813±0.05
f
38.1±3.2
38.1±3.2
d
D
L
f
All resistor types have resistance alloy winding on a braided
fibreglass substrate. Intermediate silicone coatings are used to
enhance processibility and to provide protection to the
resistive element.
Resistive Element
Termination
The SP20 and SP20F are encapsulated utilizing a compression
molded phenolic plastic material. The SP20F has a flame
resistance coating applied over the resistive element to
provide flammmability protection when destructive overloads
may occur.
All products are marked utilizing heat and solvent resistant
colour code bands consistent with EIA/MIL requirements. The
first band is double width to designate wirewound
construction. A fifth band, blue in colour, is used for
flameproof identification.
Encapsulation
The SP20 and SP20F resistors are terminated using an alloy
coated copper flashed steel lead welded to a cap of the same
material. This termination assembly is mechanically crimped,
utilizing an improved crimp design, to the resistive element.
Marking
General Note
General Note
Welwyn Components reserves the right to make changes in product specification
or liability.
TT Electronics reserves the right to make changes in product specification without notice
without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
A subsidiary of
TT electronics plc
http://www.ttelectronics.com/resistors
Issue B · 03.02
07.14
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
© TT Electronics plc
822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Telephone: +44 (0) 1670
95

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