Re: [SI-LIST] : Surface Mount Cap Lead Inductance

Vigliarolo Roberto (Vigliarolo@asamrt.interbusiness.it)
Tue, 11 Aug 1998 17:55:15 +0200

You can easily calculate the ESL of your capacitor by looking at the
frequency of the dip in the impedance vs frequency chart usually
provided by capacitors manufacturer. Fresonance=3D1/(2*pi*sqrt(ESL*C))

> ----------
> Da: Mike Mayer[SMTP:Mike.Mayer@heurikon.com]
> Inviato: luned=EC 20 luglio 1998 22.40
> A: si-list@silab.Eng.Sun.COM
> Oggetto: [SI-LIST] : Surface Mount Cap Lead Inductance
>=20
> I was looking at a note from howard Johnson about decoupling ("Bypass
> Multi-Valued Arrays"):
>=20
> http://www.sigcon.com/news/1_17.htm
>=20
> I started looking into it but can't seem to find any information on
> lead inductance for surface mount packages, especially the types used
> by tantalum caps (7343, 6032, etc.). Has anyone seen a source for =
this
> information?
>=20
> --=20
> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D
> Mike Mayer Artesyn Communication
> Products, Inc
> Madison, WI
> http://www.artesyn.com/cp
> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D
>=20