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TDS-08a solenoid, what inductance?

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Nikita

New Member
Hi, I found a couple TDS-08a solenoids, and now I need to know the inductance, but all datasheets I found don't say anything about it.

Quick google of a datasheet:
Specifications:
Size: 20x26x36.8mm

Holding force:1350gf (13.2N)

Pull force @ 4mm:120gf(1.18N)

Weight:96g

Plunger weight:12g

Coil:3.4 watts

Standard options:
Operating voltages: 6, 12, 24 Vdc
Connections: wires, leads, terminals.
Plunger: Plated (Std.), emarlon coating.

Is there any way to calculate the inductance just from that?
Thanks in advance.
 

mneary

New Member
There's no single number. The inductance will vary with plunger position. Since it's a DC solenoid, the core and plunger are probably solid iron, not laminated, so the inductance will also vary with frequency.
 

Nikita

New Member
Yep, and ability to adjust inductance through positioning the plunger is what I have a use for.

I still need to know it's maximum inductance though, with plunger fully in, and when used in a DC circuit (no frequency).

The plunger is same length as the solenoid.
 

chemelec

Well-Known Member
The ONLY Way you will get this info is if you get an Inductance Meter and test it yourself.

Yep, and ability to adjust inductance through positioning the plunger is what I have a use for.

I still need to know it's maximum inductance though, with plunger fully in, and when used in a DC circuit (no frequency).

The plunger is same length as the solenoid.
 

gmacelec

New Member
AC inductance

The ONLY Way you will get this info is if you get an Inductance Meter and test it yourself.

inductance is an AC quantity, that also functions at DC over
HTML:
short-
time. kinda strange- isnt it.

measure it with an AC voltage source and some resistors in a series circuit and a voltmeter. then caLculate using the frequency and voltage ratios and resistances. Im not writing the circuits course out here- there are plenty of other places that tell this method already but you DONT need fancy instruments to do it. you can do it just fine with a train transformer (60 hz AC at say 24VAC output ) and a voltmeter and some resistors.
 

mneary

New Member
If the OP ever returns I'm sure this information will be useful. Hopefully the project isn't still pending for the past 4 months.
 
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