- Patent Title: PPTC material with low percolation threshold for conductive filler
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Application No.: US17066880Application Date: 2020-10-09
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Publication No.: US11763968B2Publication Date: 2023-09-19
- Inventor: Jianhua Chen , Chun Kwan Tsang
- Applicant: Littelfuse, Inc.
- Applicant Address: US IL Chicago
- Assignee: Littelfuse, Inc.
- Current Assignee: Littelfuse, Inc.
- Current Assignee Address: US IL Chicago
- Agency: KDW Firm PLLC
- The original application number of the division: US16128135 2018.09.11
- Main IPC: H01C7/02
- IPC: H01C7/02 ; H01B1/02 ; C08L23/08 ; C08L23/06 ; C08K3/013 ; C08K3/14 ; C08L27/16 ; H01C1/14 ; H01C1/148 ; H01C17/065 ; H01B1/04 ; C08K3/38
Abstract:
A polymeric positive temperature coefficient (PPTC) device including a PPTC body, a first electrode disposed on a first side of the PPTC body, and a second electrode disposed on a second side of the PPTC body, wherein the PPTC body is formed of a PPTC material that includes a polymer matrix and a conductive filler, wherein the conductive filler defines 20%-39% by volume of the PPTC material.
Public/Granted literature
- US20210082603A1 PPTC MATERIAL WITH LOW PERCOLATION THRESHOLD FOR CONDUCTIVE FILLER Public/Granted day:2021-03-18
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