KRL News

CHaD Battle of the Badges

Wednesday, 01-Mar-2017

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KRL welcomes custom applications

Wednesday, 01-Feb-2017

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KRL reaches out to the NH Veterans

Monday, 02-Jan-2017

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Contact KRL Bantry
603-668-3210

Sales@KrlBantry.com

Surface Mount Wirewound Precision(SU Series)


Resistor manufacturing

FEATURES

  • UL94-V0 Molded Chip Design
  • Low TC'S & Tight Tolerances
  • Temperature Compensating TC'S to +6000 PPM Available
  • RoHS compliant, Pb-Free construction available

TEMPERATURE COEFFICIENT

  • ±25 PPM/°C 1Ω to 10 Ω; ±10PPM/°C above 10Ω
    (Avail. to< 2PPM> ± 2PPM/°C)
KRL
STYLE
WATTS STD TOL OHMIC
RANGE
WORKING
VOLTAGE
SU-1 0.125 ± .005%
thru
± 1.0%
1.0Ω-300kΩ; 100
SU-2 0.25 1.0Ω-1MΩ; 300
SU-3 0.5 1.0Ω-2MΩ; 400

 

 

 

 

Dimensions & Suggested Land Patterns (per ANSI/IPC-SM-782 Guidelines)

Diagram 1

KRL STYLE A ± .005" B ± .015" C ± .010" D ± .015" E ± .005" F ± .005" G ± .015" H I J X Y
SU-1 .250 .272 .050 .140 .130 .140 .060 .120 .310 .215 .075 .095
SU-2 .435 .455 .070 .210 .200 .230 .065 .280 .510 .395 .090 .115
SU-3 .575 .600 .050 .255 .250 .275 .075 .465 .655 .560 .105 .095
 
                    
PACKING


SU-1
500 pcs
2000 pcs

SU-2
1000 pcs

SU-3
600 pcs


- 16mm
= 7" Reel
= 13" Reel

- 24mm
= 13" Reel

- 32mm
13" Reel

   
ENVIRONMENTAL PERFORMANCE (KRL TYP. CHANGE)
SOLDER REFLOW PROFILE 0.005%
LOAD LIFE 0.1%
MOISTURE RESISTANCE 0.02%
THERMAL SHOCK 0.02%
DIELECTRIC WITHSTAND 1000V AC
SHORT TERM OVERLOAD 0.005%
SOLDERABILITY 95% COVERAGE
FLAMMABILITY UL94-V0 / ASTM NEEDLE FLAME

Diagram 2

 

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