Where to Find mH Inductors for Banana Plugs in Basic Electronics Labs?

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Discussion Overview

The discussion revolves around finding inductors in the milliHenry (mH) range suitable for use with banana plugs in basic electronics labs, particularly for experiments involving resonance in RLC circuits. Participants explore options for purchasing pre-made inductors and share various product links and recommendations.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about sources for mH inductors compatible with banana plugs for educational purposes.
  • Another participant suggests using Taiyo Yuden LHL08 inductors available on Digikey, providing links to the products.
  • A participant clarifies the need for inductors that can be directly connected to banana plugs, expressing a desire for a more permanent solution.
  • One suggestion involves using a male/female banana plug with screw terminals to connect inductors, although a specific product is noted as being relatively expensive.
  • Another participant shares a link to a more affordable option for binding posts that could serve the purpose.
  • Pasco is mentioned as a supplier of various inductors, with requests for specific product links from other participants.
  • A participant provides a link to a Pasco kit that includes inductors, noting the high price of the kit and commenting on Pasco's reputation for being costly.
  • Another participant mentions having a large quantity of inductors with iron cores, reiterating the focus on inductors in the mH range.

Areas of Agreement / Disagreement

The discussion does not reach a consensus on a specific product or supplier, as participants share multiple options and express varying opinions on pricing and suitability.

Contextual Notes

Participants express different preferences for the type of inductors and connections, indicating a variety of needs and budget considerations. There are unresolved questions regarding the best options for specific educational applications.

malawi_glenn
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Hi all physics teachers

I am looking for inductors in the range mH for usage with banana plugs for basic electronics physics labs (like resonance in RLC-circuits etc).

I know I can build my own very simple, but if you know a place where I can buy those pre-made I would be very helpful :)
 
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I've used the Taiyo Yuden LHL08 inductors in many circuits, and it looks like they are available via Digikey. Does that work for you?

https://www.digikey.com/en/products/filter/fixed-inductors/71?s=N4IgTCBcDaIDYAs4AYAcIC6BfIA

https://ds.yuden.co.jp/TYCOMPAS/ut/detail?pn=LHL08TB100K&u=M

1665072734203.png
 
I meant something like this
1665130687419.png

where you can just insert banana plug chords

Right now I have inductors which i place in these
1665130727812.png

But I am looking for a more "permenent" option :)
 
malawi_glenn said:
But I am looking for a more "permenent" option :)
One option would be to use a M/F banana plug and just use the built-in screw terminals to connect the leads of the inductor to the two parallel banana plugs. This is an example of what I'm talking about, although this particular one at Digikey is a bit pricey at $17. You can probably find less expensive ones...

https://www.digikey.com/en/products/detail/pomona-electronics/1286/745043?utm_adgroup=Banana%20and%20Tip%20Connectors%20-%20Binding%20Posts&utm_source=google&utm_medium=cpc&utm_campaign=Shopping_Product_Connectors%2C%20Interconnects_NEW&utm_term=&utm_content=Banana%20and%20Tip%20Connectors%20-%20Binding%20Posts&gclid=Cj0KCQjwnP-ZBhDiARIsAH3FSRe2eocvbjmuOcN3IxZL7Ba4yedxmTBbizEELea-X57gbi7WFUa9fVMaAoTLEALw_wcB

1665153847024.png
 
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yeah that is better
 
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Pasco sells a variety of them.
 
Mister T said:
Pasco sells a variety of them.
You have link?
 
  • #11
The 200-turn coil is only $55.

Pasco is not known for their products being inexpensive. If it's institutional money I learned to not bat an eye. It's all "funny money".
 

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