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Ohmite Manufacturing Co.
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E Series Heatsinks

Heatsink for TO-220 devices


Heatsink Part NumberHeight (in. ±.010 / mm ±.25)For Package TypeOhmite Resistor SeriesSurface Area (in2)WeightThermal Resistance* (°C/W)
EV-T220-38E1.5 / 38.10TO-220TBH25, TCH3511.50.63 oz/18g13.0
EA-T220-38E10.4
EV-T220-51E2.0 / 50.80TO-220TBH25, TCH3515.20.85 oz/24g9.4
EA-T220-51E7.5
EV-T220-64E2.5 / 63.50TO-220TBH25, TCH3518.81.06 oz/30g10.0
EA-T220-64E8.0
* Natural convection
SPECIFICATIONS
  • Heat sink: Aluminum 6063-T5 or equivalent with either black anodized or degreased finish
  • Solder feet: Tin plated brass
FEATURES
  • Vertical through-hole PCB mounting
  • 0.142 in. diameter mounting holes (3)
LAND PATTERN

HEAT DISSIPATION

HOW TO ORDER

STANDARD PART NUMBERS FOR E SERIES

Part NumberDescriptionPackaging
EV-T220-38EHeat sink for TO-220, degreasedBulk
EA-T220-38EHeat sink for TO-220, black anodizedBulk
EV-T220-51EHeat sink for TO-220, degreasedBulk
EA-T220-51EHeat sink for TO-220, black anodizedBulk
EV-T220-64EHeat sink for TO-220, degreasedBulk
EA-T220-64EHeat sink for TO-220, black anodizedBulk

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Ohmite Mfg. Co.
1600 Golf Rd., Suite 850
Rolling Meadows, IL 60008
Tel: 1-866-9-OHMITE
(1-866-964-6483)
Int'l: 1-847-258-0300
Fax: 1-847-574-7522
info@ohmite.com
www.ohmite.com
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