-
公开(公告)号：US11335479B1
公开(公告)日：2022-05-17
申请号：US17142577
申请日：2021-01-06
Applicant: Fuzetec Technology Co., Ltd.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
Abstract: A composite circuit protection device includes: a positive temperature coefficient (PTC) component which includes a positive temperature coefficient (PTC) layer that has two opposite surfaces, and first and second electrode layers that are respectively disposed on the two opposite surfaces of the PTC layer; a diode component that is connected to the second electrode layer of the PTC component; a first conductive lead that is bonded to the first electrode layer of the PTC component; and a second conductive lead that is bonded to the diode component. The PTC component has a rated voltage that ranges between 50% and 250% of a breakdown voltage of the diode component as determined at 1 mA.
-
公开(公告)号：US10790074B1
公开(公告)日：2020-09-29
申请号：US16355883
申请日：2019-03-18
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
Abstract: A PTC circuit protection device includes a PTC polymer material and two electrodes attached to the PTC polymer material. The PTC polymer material includes a polymer matrix and a particulate conductive filler dispersed in the polymer matrix. The polymer matrix is made from a polymer composition that contains a non-grafted polyolefin. The conductive filler includes first tungsten carbide particles having a first average Fisher sub-sieve particle size of less than 2.5 μm and a first particle size distribution with a particle size D10 being less than 2.0 μm and a particle size D100 being less than 10.0 μm.
-
公开(公告)号：US10304596B1
公开(公告)日：2019-05-28
申请号：US15808445
申请日：2017-11-09
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
Abstract: A PTC circuit protection device adapted to be mounted on a substrate, includes: a PPTC component; a first electrically conductive unit including a first electrically conductive member and a first conductive pin member that has a first distal end to be in contact with the substrate, a first stand-off height from the first electrically conductive member to the first distal end being not less than 0.1 mm; and a second electrically conductive unit including a second electrically conductive member and a second conductive pin member that has a second distal end to be in contact with the substrate, a second stand-off height from the first electrically conductive member to the second distal end being not less than 0.1 mm.
-
公开(公告)号：US10084308B1
公开(公告)日：2018-09-25
申请号：US15623190
申请日：2017-06-14
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
Abstract: An overcurrent protection device includes a polymer positive temperature coefficient (PPTC) component and two pins. The PPTC component includes a positive temperature coefficient (PTC) element having two opposite surfaces, and two electrodes respectively connected to the surfaces of the PTC polymeric element. The two pins are respectively connected to the electrodes and extend in an extending direction. Each of the pins has a cross-sectional area that is perpendicular to the extending direction and greater than or equal to 0.8 mm2. The overcurrent protection device has an average trip current and an average work current, where the ratio of the average trip current to the average work current is less than 1.5.
-
公开(公告)号：US09959958B1
公开(公告)日：2018-05-01
申请号：US15666422
申请日：2017-08-01
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
CPC classification number: H01C7/021 , H01C1/1406 , H01C7/028 , H01C17/00
Abstract: A PTC circuit protection device, includes: two PTC units, each of the PTC units including a first insulating layer, a first electrically conductive layer, a PTC polymeric layer, a second electrically conductive layer, a second insulating layer, a first electrode, a second electrode; an insulating bridge layer interconnecting the first insulating layers of the PTC units; and first and second gaps formed between the PTC units and located at two opposite sides of the insulating bridge layer.
-
Patent Agency Ranking
公开(公告)号：US20240087778A1
公开(公告)日：2024-03-14
申请号：US17940989
申请日：2022-09-08
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang CHEN , Chang-Hung Jiang
CPC classification number: H01C7/12 , H01C7/108 , H05K1/0257 , H05K1/115 , H05K2201/0738
Abstract: An over-voltage circuit protection device includes a voltage-dependent resistor component, and a printed circuit board (PCB) component connected to the voltage-dependent resistor component through first and second conductive lead layers. The PCB component includes a PCB body, a first conductive portion, a second conductive portion, at least one first conductive via and at least one second conductive via. The first and second conductive portions are disposed on the PCB body, and are electrically insulated from each other. The first and second conductive vias extend through the PCB body, and are defined by via-defining walls respectively covered by the first and second conductive portions.
-
公开(公告)号：US11289902B2
公开(公告)日：2022-03-29
申请号：US16834741
申请日：2020-03-30
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
Abstract: A composite circuit protection device includes first and second positive temperature coefficient (PTC) components, a voltage-dependent resistor, and first, second and third conductive leads. The first PTC component includes a first PTC layer, and first and second electrode layers respectively disposed on two opposite surfaces of the first PTC layer. The second PTC component includes a second PTC layer, and third and fourth electrode layers respectively disposed on the two opposite surfaces of the second PTC layer. The voltage-dependent resistor is connected to the second and third electrode layers. The first, second and third conductive leads are bonded to the first electrode layer, the voltage-dependent resistor, and the fourth electrode layer, respectively.
-
公开(公告)号：US10804012B1
公开(公告)日：2020-10-13
申请号：US16714340
申请日：2019-12-13
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
Abstract: A composite circuit protection device includes a positive temperature coefficient (PTC) component, a voltage-dependent resistor, a first conductive lead and a second conductive lead. The PTC component includes a PTC polymeric layer, and first and second electrode layers respectively disposed on two opposite surfaces of the PTC polymeric layer. The voltage-dependent resistor is connected to the second electrode layer of the PTC component. The first and second conductive leads are respectively bonded to the first electrode layer of the PTC component and the voltage-dependent resistor. The PTC component has a rated voltage ranging between 40% and 200% of a varistor voltage of the voltage-dependent resistor.
-
公开(公告)号：US10147525B1
公开(公告)日：2018-12-04
申请号：US15850519
申请日：2017-12-21
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
IPC: H01C7/02 , H01C1/14 , H01C17/065 , H01C7/00
Abstract: A PTC circuit protection device includes a PTC polymer material and two electrodes attached to the PTC polymer material. The PTC polymer material includes a polymer matrix and a particulate conductive filler dispersed in the polymer matrix. The polymer matrix is made from a polymer composition that contains a non-grafted polyolefin. The conductive filler includes tungsten carbide particles having a total carbon content that is less than 6.0 wt % based on the total weight of the tungsten carbide particles.
-
公开(公告)号：US09502163B2
公开(公告)日：2016-11-22
申请号：US14688860
申请日：2015-04-16
Applicant: FUZETEC TECHNOLOGY CO., LTD.
Inventor： Jack Jih-Sang Chen , Chang-Hung Jiang
CPC classification number: H01C7/027 , H01C17/0652 , H01C17/06586
Abstract: The PTC circuit protection device includes a PTC polymer material and two electrodes attached to the PTC material. The PTC polymer material includes a polymer matrix and a conductive filler dispersed in the polymer matrix. The conductive filler includes first titanium carbide particles and second titanium carbide particles. The first titanium carbide particles have an average Fisher sub-sieve particle size of less than 2.5 μm. The second titanium carbide particles have an average Fisher sub-sieve particle size of less than 3.2 μm.
Abstract translation: PTC电路保护装置包括PTC聚合物材料和附接到PTC材料的两个电极。 PTC聚合物材料包括分散在聚合物基质中的聚合物基质和导电填料。 导电填料包括第一碳化钛颗粒和第二碳化钛颗粒。 第一碳化钛颗粒的平均Fisher子筛粒径小于2.5μm。 第二碳化钛颗粒的平均Fisher子筛粒径小于3.2μm。
-
-
-
-
-
-
-
-
-
Search Results
21
records
(took 0.015 seconds)
