SMD Moulded Power Resistor
Type SM Series
Key Features
■ Low Profile Design
■ Available on Tape
■ Very Wide Value Range
■ Ideal for Power Circuitry
■ Available in 2,3 or 5 Watts
■ Flameproof Coating UL94V0
TEꢀConnectivityꢀ(TE)ꢀintroducesꢀaꢀsurfaceꢀmountꢀpowerꢀresistorꢀsuitedꢀtoꢀmeetꢀtoday's
circuitꢀdesignꢀneeds.ꢀEachꢀsizeꢀoffersꢀlowꢀprofileꢀcaseꢀdesignꢀwithꢀflexibleꢀtinnedꢀcopper
terminationsꢀ forꢀ reliableꢀ solderꢀ joints.ꢀ Allꢀ stylesꢀ utilizeꢀ aꢀ fullyꢀ weldedꢀ construction
technique,ꢀ unlikeꢀ otherꢀ designsꢀ thatꢀ relyꢀ solelyꢀ onꢀ tinnedꢀ terminationꢀ
onnections.ꢀ Theseꢀ featuresꢀ allowꢀ theꢀ SMꢀ Seriesꢀ toꢀ withstandꢀ theꢀ higherꢀ temperatures
associatedꢀwithꢀreflow,ꢀvapourꢀphase,ꢀorꢀinfraredꢀ(IR)ꢀmanufacturingꢀprocessesꢀwithout
degradation.
Characteristics - Electrical
SM (Wire)
SM (Metal Film)
201R – 2M
Values SM_2:
R10 – 200R
R10 – 300R
R10 – 500R
Values SM_3:
301R – 2M
Values SM_5:
501R – 2M
Value Grid:
E24
1% or 5%
2.0 Watts
Resistance Tolerance:
Power Rating @ 25°C SM_2:
Power Rating @ 25°C SM_3:
Power Rating @ 25°C SM_5:
Derating:
3.0 Watts
5.0 Watts
See Curve Below
300 Volts
Max Operating Voltage SM_2:
Max Operating Voltage SM_3:
Max Operating Voltage SM_5:
500 Volts
500 Volts
Characteristics - Environmental
Test
Condition
-55°C – +200°C
SM (Wire)
SM (Metal Film)
Temperature Coefficient
of Resistance:
± 200ppm /°C
± 100ppm /°C
Short Time Overload:
Rated Load:
5 times of rated wattage for 5 sec.
Rated voltage for 30 minutes
500VDC
± 1%
± 0.5%
± 0.5%
10,000 MΩ
± 1%
± 1%
Insulation Resistance:
Load Life:
10,000 MΩ
± 2%
70°C 1.5 hrs on 0.5 hrs off for 1000 hrs
Humidity Load Life:
40°C ±2°C @ 90-95% RH 500 hrs
1.5hrs on 0.5hrs off
± 2%
± 1%
Voltage Withstand:
Solderability:
500VAC for 60 seconds
No Physical damage
95% coverage
235°C ±5°C for 2 seconds
270°C ±5°C for 10 ±1seconds
Resistance to
Soldering Heat:
Resistance value change
within ± 1%
1773242 CIS WR 04/2012
Dimensions are in millimeters
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to: te.com/help
and inches unless otherwise
specified. Values in brackets
are standard equivalents.