What does 1m8 or 2m2 mean in reference to a resistor
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What does 1m8 or 2m2 mean in reference to a resistor

[From: ] [author: ] [Date: 11-07-01] [Hit: ]
I looked at the schematic and those are indeed 1.8 MΩ, not milliohms........
Local supply store guys say 1m8 means 1.8 m ohm, others around the internet state 1 8 m ohm resistor. Also if anyone can tell me what I may substitute for the MPSA's I'd be over joyed. I'm gathering that they are NPN BJT, so I went down the the local RS and picked up these; http://www.radioshack.com/product/index.jsp?productId=2062586
I'd rather be sure before I go about questionable activities.

This is the schematic.
http://music-electronics-forum.com/attachments/6816d1257055074-basscrybaby.gif

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1M8 means 1.8 MΩ or 1800000 Ω
1M2 means 1.2 MΩ

1m8 could mean 1.8 mΩ, 0.0018 ohms, but that is not a practical value.

Be very careful of case M is NOT equal to m. M is mega, x 1 million, whereas m is milli, 1 thousandth.

I looked at the schematic and those are indeed 1.8 MΩ, not milliohms.

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