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SPP Datasheet, PDF (1/3 Pages) Welwyn Components Limited – General Purpose Wirewound Resistors | |||
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w-CoFRsiebtsreisGCtooerrsenCeornafolrmPalurpose
nformCFiobaraetleCCdorWeoiCraeowtnefooudrnmdalResistor
ewound SCPoPaSetreiesd WRireewsoisuntdoRresistor
Low-Cost General Purpose · es
SPPUSLe1r4ie1s2 recognised fusing *
Conformal Coated · uncoated uniUCtsoL1a4t1e2droecrougnnicsoeadtfeudsinugn*its
· Positive high TCâs upon request
· gh TCâs uponCCrooealqotueredbsotarnudncsotaatneddaurnditsidentification
·Wirewound Resistor d standard idePLnootswiiï¬ticevaretrihoaingnhgTeCsâsauvpaoilnabrelequ-ecsot ntact factory
· ges availabSlPePCW-ocSelooelrdnribtaeaabscnltedfasactnatondrdysaordldideeranbtifliecamtioangnetic leads
⢠CoLaotewdeorr urancnogaetesdauvnaitsilable - contact factory
and solderâ¢*abPUolWesLiteimfvileldaehagingbnhlueeTmtCaicâbns eduleprsaoEond2lrsde3eq4ur4ea6sbt9le magnetic leads
⢠Color band standard identiï¬cation
ical Data â¢* LUoLwfeirlerannugemsbaevarilEa2b3le4-4c6o9ntact factory
⢠Weldable and solderable magnetic leads
Electrical Data
IRC Type
SPP-1
SPP-1
Make Possible
Alloy resistance
wirewound on
fiberglass core
Mechanically crimped
termination assembly
Alloy resistance
wirewound on
fiberglass core
Mechanically crimped
termination assembly
EIA/MIL color code:
first wide band indicates
wirewound construction,
blue indicator indicates
flameproof
EIA/MIL color code:
first wide band indicates
wirewound construction,
blue indicator indicates
flameproof
SPP-2
SPP-2
SPP-3
SPP-3
ce - Std.
Resistance - Std.
gnised RaUnLgReecognised Range
0.1⦠to 1200â¦
0.1⦠to 1200â¦
1 Ω to 4170Ω tΩo 470 Ω
0.1⦠to 2400â¦
0.1⦠to 2400â¦
11ΩΩto t4o704Ω70 Ω
0.1⦠to 2400â¦
0.1⦠to 2400â¦
---
---
Tolerance - Std.
e - Std.
±5% (E24), ±10% (E12)
±5% (E24), ±10% (E12)
1 watt @ 85°C
2 watt @ 85°C
3 watt @ 85°C
Power Rating
ating
Load Life Stability
Max. Continuous
e StabilityWorking Voltage
Min. Insulation
1
watt
@31//42 8ww5aatt°tt C@ @
105°C
125°C
3/4 watDte@ratin1g0t5o °0C@ 160°C
1/2 wat1t @watt1@2585°°CC ± 10%
Derating to 0 @ 160°C
âPR
1 watt @ 85°C ± 10%
Dry
10,000 Meg
12wwatta@-t-t- 1@40°8C5°C
1 wat-t--@ 140°C
2 watt @ 85°-C--± 10%
---
âPR
2 watt @ 85°C ± 10%
10,000 Meg
2
1
watt
watt
@
@
1149503°°CCwatt
@
85°C
--- 2 watt @ 145°C
3 watt @ 85°C1± 1w0a%tt @ 190°C
---
âPR
3 watt @ 85°C ± 10%
10,000 Meg
ntinuous Resistance
Voltage
Min. Dielectric
Withstanding Volts
Wet
(RMS)
100 Meg
âPR
600V
100 Meg
âPR
600V
100 Meg
600V
âPR
lation
ce
ectric
Current NDorisye
Wet
Temperature Rise at
Rated Load, 25°C Ambient
ding Volts (RMS)
Temperature Coefï¬cient
10,000 MNeeggligible
100 Meg
1N0eg,0lig0ib0leMeg
100 Meg
Negligible 10,000 Meg
100 Meg
Approx. 150°C
600V
±600/°C
±300/°C
0.10⦠- 0.91⦠1⦠- 1200â¦
Approx. 200°C
600V
±600/°C
±300/°C
0.10⦠- 0.91⦠1⦠- 2400â¦
Approx. 225°C
600V
±600/°C
±300/°C
0.10⦠- 0.91⦠1⦠- 2400â¦
Noise
Negligible Notes:
Unless speciï¬ed otherwise, standard test centers are 1 ¾ inches.
Negligible
Negligible
ture Rise at
ad, 25°C Ambient
Approx. 150°C
Approx. 200°C
Approx. 225°C
ture Coefï¬cient
±600/°C
±300/°C
±600/°C
±300/°C
±600/°C
±300/°C
0.10⦠- 0.91⦠1⦠- 1200⦠0.10⦠- 0.91⦠1⦠- 2400⦠0.10⦠- 0.91⦠1⦠- 2400
GGeenneerraallNNoottee
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IAARlClllirinnefsfoeormrvmesaatthitoeionrnigishitsstuosbumjbeajkceetccttohtaoTngTTeEsTlieneclpetrrocodtnruocictnssiâpceoscâwiï¬oncwadtinoantdawaiatthnaoduatinnsodctiocisensocirodlinearsbeiildidtye.areccduaractceuarattteimaet toifmgeoionfggtooinpgrintto. print.
All information is subject to IRCâs own data and is considered accurate at time of going to print.
W©©irTTeTTaEenldelecFctritlormoniTncesiccpshlcnpollcogies Division ⢠4222 South Staples Street ⢠Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 ⢠Facsimile: 361 992 3377 ⢠Website: www.irctt.com
www.bitechnologies.com www.irctwt.wcowm.ttelewcwtrown.iwcserlewsiysnto-trst..ccoomm
A subsidiary of
TT electronics plc
SPP Series Issue December 2008 She10et911..11o4f33
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