LED-Shunt-Schutzkomponenten (LSPs)

Spezifikationen

Zusammenfassung

Die Festkörperbeleuchtungsleuchten in LED-Beleuchtungsanwendungen bestehen häufig aus langen Reihen mit mehreren in Serie geschalteten LEDs, die über eine Konstantstromquelle mit relativ hohem Spannungsbereich versorgt werden.

Diese Konfiguration hat mehrere Vorteile:

Zur Vereinfachung des Stromversorgungsdesigns können mehrere LEDs in Serie angeordnet werden.
Die Hochspannung-Schwachstrom-Versorgung bietet eine erhöhte Effizienz.
Modulares Konzept ermöglicht die einfache Skalierung, beispielsweise mit 1-W-LEDs – aus mehreren Reihen mit 8 1-W-LEDs können einfach 16-W-, 24-W- oder 32-W-Ausführungen zusammengestellt werden.
Bei einer LED-Straßenleuchte kommen sechs Reihen mit je 15 LEDs, also insgesamt 90 LEDs, zum Einsatz.

Das LSP-Produkt ist darauf ausgelegt, Ausfälle durch eine unterbrochene LED-Kette zu verhindern. Fällt eine LED aus, erlischt eine vollständige LED-Kette, sodass die gesamte Beleuchtung unbrauchbar oder in ihrer Funktion deutlich eingeschränkt wird. Dies hat Rücksendungen und Reparatureinsätze zur Folge.

Zur Erfüllung der Energy-Star® Richtlinien müssen LED-Beleuchtungskörper:

eine Garantie von 3 Jahren haben;
>70 % Neulichtleistung für 35 Tsd. Stunden bieten (Wohnbereich: 25 Tsd. Stunden).

Während schwache LED-Ketten auf Zener-Dioden setzen können, würden leistungsstarke LEDs sehr große und teure Zener-Dioden benötigen. Mit einer LSP-Vorrichtung von Bourns® kann sichergestellt werden, dass die übrigen LEDs einer Reihe weiterhin funktionieren, wenn eine LED ausfällt. Aktive LSP-Vorrichtungen verbrauchen weniger Strom als die LED verbraucht hat.

Product Series

Parametric Table

RoHS Files

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Serie	Typ	Periodische Spitzensperrspannung, Symbol: _DRM/Einheit: V	Minimaler Haltestrom bei IT = 1 A, Symbol: I_T/Einheit: mA	Maximale Durchlassspannung bei IT = 1 A, Symbol: V_T/Einheit: V	Absolute Grenzwerte	MDB	Design Dateien
LSP0600	LED Shunt Protector	6.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMB	Downloads
LSP0600	LED Shunt Protector	6.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMA	Downloads
LSP0900	LED Shunt Protector	9.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMB	Downloads
LSP0900	LED Shunt Protector	9.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMA	Downloads
LSP1300	LED Shunt Protector	13.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMB	Downloads
LSP1300	LED Shunt Protector	13.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMA	Downloads
LSP1800	LED Shunt Protector	18.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMB	Downloads
LSP1800	LED Shunt Protector	18.0	5	1.2	Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)	SMA	Downloads

Bourns stellt neue Produktlinie mit Nebenwiderständen vor, die speziell als Schutzeinrichtung für empfindliche LED-Beleuchtungsanwendungen entwickelt wurden

Neue offene LED-Shunt-Schutzkomponenten Bauelemente Informationsmaterial

Model/Datasheet	MSL	Lötprofile	Verpackungsetikett	Anschluss	Konf.	Prüfberichte Dritter	MDB
4A12P-1AH-12R5	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4A12P-506	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4A12P-516	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B04B-501-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B04B-502-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B04B-523-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B04B-524-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B06B-504-RC	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B06B-512-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B06B-514-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B06B-540-VBO1/VBO2	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B06B-DF1-VBO1/VBO2	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B08B-503-XXX	TBD	TBD	TBD	TBD	TBD	Request Report	TBD
4B08B-513-RC	TBD	TBD	TBD	TBD	TBD	Request Report	TBD

File	Type	Size	Uploaded on	Download
Schutz für Hochgeschwindigkeits-Kommunikationsanschlüsse	PDF	843,57 KB	28 Mai, 2015	Download

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