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DO-34 Component Package

Geoffrey Hunter
Geoffrey Hunter
mbedded.ninja Author

Overview​

DO-34 (Diode Outline 34) is a axial 2-lead through-hole component that was common before the advent of SMD technology. It is a hermetically sealed glass package that is used for diodes.

A photo of a SOD-27 (DO-34) package from a Nexperia product page on Farnell1.

Synonyms​

  • ALF2: NXP2
  • SOD-27: NXP2
  • SC-40: JEITA2

NXP also has a SOD-68 package which they also refer to as DO-343. However, the dimensions of this package align closely with a DO-35 package rather than the SOD-27 which they also label as DO-34.

Dimensions​

Below are the dimensions for the NXP SOD-27 (DO-34) package2:

The dimensions for the NXP SOD-27 (DO-34) package2.

As per the drawing, the body is 4.25mm long and 1.85mm in diameter. This is slightly larger than the DO-35 package at 3.5mm long and 1.5mm in diameter.

Similar To​

References​

Footnotes​

  1. Farnell. NEXPERIA NZX20B,133 - Zener Single Diode, 20 V, 500 mW, SOD-27, 2 Pins, 175 °C, Through Hole [product page]. Retrieved 2024-04-09, from https://ie.farnell.com/nexperia/nzx20b-133/zener-diodes/dp/3939878. ↩

  2. NXP. SOD27 - hermetically sealed glass package; axial leaded; 2 leads. Retrieved 2024-04-09, from https://www.nxp.com/docs/en/package-information/SOD27.pdf. ↩ ↩2 ↩3 ↩4 ↩5

  3. NXP. SOD68 - hermetically sealed glass package; axial leaded; 2 leads. Retrieved 2024-04-09, from https://www.nxp.com/docs/en/package-information/SOD68.pdf. ↩