---
title: "Power Rail Tolerance"
url: "https://maker.wiznet.io/forum/9873"
markdown_url: "https://maker.wiznet.io/forum/9873/md"
type: "Forum topic"
category: "General"
author: "jasenharris"
created: "2014-01-28T13:44:49+09:00"
last_activity: "2017-05-04T08:31:08+09:00"
language: "en"
views: 900
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# Power Rail Tolerance

## Question

Asked by jasenharris on 2014-01-28 in General.

What is the acceptable tolerance on the power supply rail for this part? ±5%?

## Replies

### Reply 1 by ssekim, 2014-01-29

Yes.
Recommended Vdd(supply voltage) is +/-5%.

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Source: https://maker.wiznet.io/forum/9873