Resistors
Pulse Withstanding Fusible
Flameproof Metal Film Resistors
EMC Series
UL1412 recognised*
Failsafe 240V mains fusing
Good pulse handling capability
ꢀ Smallꢀsizeꢀforꢀpowerꢀraꢁng
ꢀ UL94-V0ꢀflameproofꢀprotecꢁon
ꢀ SurfaceꢀmountꢀZI-formꢀopꢁon
*ꢀValuesꢀ22Rꢀandꢀabove.ꢀULꢀfileꢀnumberꢀE234469
AllꢀpartsꢀareꢀPb-freeꢀandꢀcomplyꢀwithꢀEUꢀDirecꢁveꢀ2011/65/EUꢀ(RoHS2)
ElectricalꢀData
EMC2
Powerꢀraꢁngꢀatꢀ70°C
Resistance range
Waꢂs
Ohms
ppm/°C
Volts
2
4R7ꢀ–ꢀ68R
100
TCRꢀ(25ꢀtoꢀ75°C)
IsolaꢁonꢀVoltage
500
Resistance Tolerance
Standard Values
%
10, 20
E12
Thermal Impedance
Ambient temperature range
°C/Waꢂ
°C
82
-55 to +155
Physical Data
D
Dimensions (mm) & Weight (g)
PCB
Min bend
radius
Type
L max
10
D max
4
f min
d nom
mount
centres
Wt. nom
f
L
EMC2
27
0.8
18.4
1.2
0.55
d
Construcꢀon
Theꢀmetalꢀfilmꢀisꢀdepositedꢀontoꢀaꢀhighꢀpurityꢀceramicꢀrod.ꢀEndꢀcapsꢀareꢀforceꢀfiꢂedꢀandꢀterminaꢁonꢀwiresꢀareꢀwelded
toꢀtheꢀendꢀcaps.ꢀFinally,ꢀaꢀcementꢀprotecꢁonꢀisꢀappliedꢀtoꢀtheꢀresistorꢀbodyꢀpriorꢀtoꢀmarkingꢀwithꢀindelibleꢀink.ꢀTheꢀcementꢀprotecꢁonꢀ
isꢀappliedꢀinꢀaꢀmannerꢀthatꢀleavesꢀtheꢀterminaꢁonsꢀcompletelyꢀclear.ꢀThisꢀpermitsꢀaꢀwell-definedꢀbodyꢀlengthꢀ(cleanꢀleadꢀtoꢀcleanꢀleadꢀ
dimension L).
Terminaꢀons
Material: Solder-coated copper wire
Strength:ꢀTheꢀterminaꢁonsꢀmeetꢀtheꢀrequirementsꢀofꢀIECꢀ68.2.21
Solderability:ꢀTheꢀterminaꢁonsꢀmeetꢀtheꢀrequirementsꢀofꢀIECꢀ115-1ꢀClauseꢀ4.17.3.2
Solvent Resistance
Theꢀbodyꢀprotecꢁonꢀandꢀmarkingꢀareꢀresistantꢀtoꢀallꢀnormalꢀindustrialꢀcleaningꢀsolventsꢀsuitableꢀforꢀprintedꢀcircuits.
General Note
BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
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03.17