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RS257, in 3D

RS257

SETsafe | SETfuse

Extended
DatasheetJLCPCBLCSCsetsafe-setfuse/RS257
Category
Thermal Fuses (TCO)
Package
插件,D4xL30mm
Pins
5

Overview

The RS257 is a thermal Fuse made by SETsafe | SETfuse in a 插件,D4xL30mm package with 2 pins.

PCBKit's library has its KiCad symbol (Device:Fuse, from KiCad's library) and its footprint (EasyEDA_Cloud:FUSE-TH_BD4.0-L15.00-P30.00-D1.0_RT229, from EasyEDA), ready for a KiCad board. 38 are in stock at JLCPCB (part C7499877).

Symbol

Device:FuseFrom KiCad's library

Footprint

12
EasyEDA_Cloud:FUSE-TH_BD4.0-L15.00-P30.00-D1.0_RT229From EasyEDA

Parameters

9
Current Rating
10A
Diameter (φD)
4mm
Holding Temperature
220℃
Maximum Temperature Limit
480℃
Operating Temperature
254℃
Rated Functioning Temperature
257℃
Series
RS
Type
Axial
Voltage Rating
250V

Order codes

1

Pinout

2
The pins of the RS257
PinNameType
1—Passive
2—Passive

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[![RS257](https://pcbkit.io/embed/parts/setsafe-setfuse/RS257.jpg?size=s)](https://pcbkit.io/parts/setsafe-setfuse/RS257)

Questions

Is there a KiCad symbol and footprint for the RS257?

Yes. The symbol is Device:Fuse and the footprint EasyEDA_Cloud:FUSE-TH_BD4.0-L15.00-P30.00-D1.0_RT229, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the RS257?

插件,D4xL30mm, with 2 pins. Its footprint is drawn on this page.

Where is the RS257 datasheet?

SETsafe | SETfuse publishes it: the Datasheet link on this page opens it.

Where can I order the RS257?

JLCPCB lists it as part C7499877, with 38 in stock; the sellers' links on this page open their listings.

What can replace the RS257?

Parts like it in the library: the RT117 by SETsafe | SETfuse, the RS172 by SETsafe | SETfuse, the RT128 by SETsafe | SETfuse and the RS240 by SETsafe | SETfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

7