COMPONENT PACKAGES

TO-273AA Component Package

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Overview

NameTO-273AA (Transistor Outline 273AA, JEDEC)
SynonymsSuper TO-220 (International Rectifier)
Variantsn/a
Similar To
MountingTH
Pin Count3
Pitch2.54mm (100mil)
SolderabilityEasily soldered by hand
Thermal Resistance
  • \(T_{JC} = 0.7^{\circ}{\rm C}/W\) hello
  • \(T_{JA} = 60^{\circ}{\rm C}/W\) (min. PCB footprint) hello
  • \(T_{JA} = 35^{\circ}{\rm C}/W\) (1" sq. PCB footprint) hello
Land Arean/a
HeightApprox. 20.5mm high when mounted vertically, with pins pushed into PCB until they hit the taper.
3D Modelsn/a
Common UsesMOSFETs

Comments

The TO-273AA (also known as the Super-220) can be considered a variant of the TO-220 which replaces the screw-mounted design of the TO-220 with a clip-mounted design. Because of the clip, this package can usually achieve lower junction-to-ambient thermal resistances, hence the “Super”. It is used by International Rectifier.

3D Render

A 3D render of the TO-273AA (Super TO-220) component package. Image from http://www.irf.com/part/INTELLIGENT-POWER-SWITCH-1-CHANNEL-LOW-SIDE-DRIVER-IN-A-SUPER-220-TO-273AA-PACKAGE/_/A~IPS0551T.

A 3D render of the TO-273AA (Super TO-220) component package. Image from http://www.irf.com/part/INTELLIGENT-POWER-SWITCH-1-CHANNEL-LOW-SIDE-DRIVER-IN-A-SUPER-220-TO-273AA-PACKAGE/_/A~IPS0551T.

Dimensions

The case outline and dimensions of the TO-273AA component package (Super TO-220). Image from http://www.irf.com/product-info/datasheets/data/ips0551t.pdf.

The case outline and dimensions of the TO-273AA component package (Super TO-220). Image from http://www.irf.com/product-info/datasheets/data/ips0551t.pdf.

References

  • http://www.irf.com/product-info/datasheets/data/ips0551t.pdf

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