
Headunit controls
Jimbo145/SaabHeadUnit
Integrates Ibus and LCD connections to Cat V cables for routing out of ICM
MiRelayExtended
插件 Reed Relays ROHS
The SIP-1A05 is a reed Relay made by MiRelay in a 插件 package with 4 pins. 插件 Reed Relays ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:RELAY-TH_MIRELAY_SIP-1A05, from EasyEDA), ready for a KiCad board. 71 are in stock at JLCPCB (part C51821976). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.

Jimbo145/SaabHeadUnit
Integrates Ibus and LCD connections to Cat V cables for routing out of ICM
Yes. the footprint EasyEDA_Cloud:RELAY-TH_MIRELAY_SIP-1A05, both drawn on this page. PCBKit places them on a board for you when you design with it.
插件, with 4 pins. Its footprint is drawn on this page.
MiRelay publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C51821976, with 71 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the SIL05-1A72-71D by STANDEXMEDER, the S1A120000 by Cosmo Electronics, the SIP-1A05 by Bright Toward Industrial Co., Ltd. and the SIP-1A05D by Bright Toward Industrial Co., Ltd.. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.