RA: Risistor Array. Looks 4 resistors in one pack.

来源: 于 2013-10-29 16:52:52 [旧帖] [给我悄悄话] 本文已被阅读：次

Each resistor is about 30 to 50 Ohms.
It does not increase nor decrease microproceesor's performances.
It is used to reduce EMI only.