What Diode Has a Low Turn-On Voltage and Through-Hole Termination?

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SUMMARY

The discussion focuses on identifying diodes with low forward turn-on voltage and through-hole termination suitable for breadboard use. The BAT54 Schottky diode series is noted for its low turn-on voltage of approximately 0.2 V, but it is a surface mount component. Participants recommend the BoB BAT48 (DO-35 package) and BAT85 (DO-34 package) as viable through-hole alternatives, along with the 1N5711, which has a similar IV curve to the BAT48. These options are readily available from major electronic component distributors.

PREREQUISITES
  • Understanding of diode specifications, particularly forward turn-on voltage.
  • Familiarity with through-hole versus surface mount technology.
  • Basic knowledge of breadboarding for circuit prototyping.
  • Awareness of common diode models and their applications.
NEXT STEPS
  • Research the specifications and applications of the BAT48 and BAT85 diodes.
  • Explore the characteristics of the 1N5711 diode and its use cases.
  • Learn about PCB design for integrating surface mount components.
  • Investigate the use of diode adapters for transitioning between surface mount and through-hole components.
USEFUL FOR

Electronics hobbyists, circuit designers, and engineers seeking low-voltage diode options for breadboarding and prototyping applications.

STEMucator
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Hi.

I'm wondering if anyone knows the model number of a diode, which has a low forward turn on voltage, and has through-hole termination.

I am aware of the BAT54 Schottky diode series. The turn on voltage is as low as ##0.2 V## for some models, but the problem is they are surface mount components. I intend to use a breadboard for an initial design, so I need through-hole specifically. I may consider surface-mount if I can get my hands on a PCB later on.

If you happen to know any good products, please let me know the model number.

Thank you.
 
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What is the application? Can you fashion an active circuit using an op-amp?
 
If you need a specific part that you can't find a suitable through hole substitute then use the real deal on an adapter:
http://www.capitaladvanced.com/products.htm

This is the brand I usually use but many others exist.

BoB
 
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Likes   Reactions: Jeff Rosenbury and meBigGuy
BAT48 (DO-35 package) and BAT 85 (DO-34 package) are both through hole and have very similar characteristics to the part you mention. Plus, they're widely available from all the usual distributors.
 
1N5711 has nearly identical IV curve to BAT48
 

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