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US 12,113,354 B2Granted
Relay assembly with reverse connection protection
AssigneeSuzhou Littelfuse OVS Co., Ltd.
InventorsYanqiu Jia, Dan Jin, Yu Wang
Life of this patent
Estimating the term…
Abstract
Disclosed are electrical relay assemblies including a positive temperature coefficient thermistor (PTC) for reverse connection protection. In some embodiments, a relay assembly includes a relay socket receiving a relay, a power source connected to the relay socket, and a positive temperature coefficient thermistor (PTC) connected between the relay socket and the power source.
Claims17
A relay assembly, comprising:
- a relay socket receiving a relay, the relay socket comprising a plurality of openings each having a same size and a same shape;
- a power source connected to the relay socket;
- and
- a positive temperature coefficient thermistor (PTC) connected between the relay socket and the power source, wherein the PTC is directly connected to a positive side of the power source, wherein the relay is connected to the relay socket via a plurality of pins, and wherein the relay includes an integrated diode directly connected between two pins of the plurality of pins, and wherein a third pin of the plurality of pins is directly connected to a negative side of the power source.
1 more element
A relay protection circuit, comprising:
- a relay socket for receiving pins of a relay, the relay socket comprising a plurality of openings each having a same size and a same shape;
- a power source electrically connected to the relay socket;
- and
- a positive temperature coefficient thermistor (PTC) electrically connected between the relay socket and the power source, wherein the PTC is directly connected to a positive side of the power source, wherein the relay includes an integrated diode directly connected between two of the pins of the relay, and wherein a third pin of the plurality of pins is directly connected to a negative side of the power source.
1 more element
A relay assembly, comprising:
- a relay socket receiving pins of a relay, the relay socket comprising a plurality of openings each having a same size and a same shape;
- a power source electrically connected to the relay socket;
- and
- a positive temperature coefficient thermistor (PTC) electrically connected between the relay socket and the power source, wherein the PTC is directly connected to a positive side of the power source, wherein the relay includes an integrated diode directly connected between two pins of the plurality of pins, and wherein a third pin of the plurality of pins is directly connected to a negative side of the power source.
1 more element
Dependencies are inferred from the claim text.