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Power Assemblies and Controllers

Circuit Protection

Semiconductor Fuses

Littelfuse’s comprehensive range of semiconductor fuses are designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs and other solid state devices that are typically designed in to power conversion and power conditioning equipment. Littelfuse’s semiconductor fuses are often used in variable frequency drives, inverters, UPS, rectifiers and soft-starters and offer enormous benefits.

 

Features

-       Extremely current limiting

-       Low watt loss

-       Resilient labelling

-       All ratings published on label

-       Universal mounting

-       Optimised design and performance

-       Flush end terminals

-       RoHS and REACH compliant

-       Silicone sealant

-       High DC interrupting rating

 

Benefits

-       Reduces peak let-through current and let-through energy (l2t) to protect semiconductor components and devices

-       Saves energy wasted during operation

-       Laser etched resistance values eliminate labels that erode over time

-       Eliminates confusion when replacing and inspecting

-       Quick and easy field replacement

-       Better energy efficiency and improved protection levels

-       Flexibility to mount directly to busbar

-       Environmentally friendly, offering greater acceptance in global power electronics

-       Balanced speed of operation, energy efficiency and longevity

-       Prevents sand leakage and improves reliability

-       Achieves an interrupting rating of 150Ka for applications that require more power

 

PSR Flush End

Littelfuse PSR Flush End Fuse by GD Rectifiers   

Voltage range: AC: 550V-1300V, DC: 500V-1000V

Amperage range: 40A-2000A

Interrupting range: AC: 100kA-200kA, DC: 150kA

Time constant: 10ms

Datasheet

 

L50S Series

Littelfuse L50S Series Fuse by GD Rectifiers

Voltage range: 500Vac, 450Vdc

Amperage range: 10, 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250, 275, 300, 350, 400, 450, 500, 550, 600, 700, 800

Interrupting range: AC: 200kAIC, DC: 20kAIC

Datasheet

 

L70S Series

Littelfuse L70S Series by GD Rectifiers

Voltage range: 600Vac, 650Vac

Amperage range: 10, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800

Interrupting range: AC: 200kAIC, DC: 20kAIC

Datasheet

 

L50QS Series

Littelfuse L50QS Series Fuses by GD Rectifiers

Voltage range: AC: 500V, DC: 500V

Amperage range: 35-800A

Interrupting rating: AC: 200kA, DC: 50kA

Time constraint: 10ms

Datasheet

 

L70QS Series

Littelfuse L70QS Series Fuses by GD Rectifiers

Voltage range: AC: 700V, DC: 700V

Amperage range: 35-800A

Interrupting rating: AC: 200kA, DC: 50kA

Time constraint: 10ms

Datasheet

 

L75QS Series

Littelfuse L75QS Series Fuses by GD Rectifiers

Voltage range: DC: 750V

Amperage range: 35-800A

Interrupting rating: DC: 50kA

Time constraint: 10ms

Datasheet

 

L15S Series

Littelfuse L15S Series Fuses by GD Rectifiers

Voltage range: AC: 150V, DC: 100V-150V

Amperage range: 1-1000A

Interrupting range: AC: 100kA, DC: 20kA (self certified)

Time constraint: 10ms

Datasheet


L25S Series

Littelfuse L25S Series Fuses by GD Rectifiers

Voltage range: AC: 250V, DC: 200V-250V

Amperage range: 1-800A

Interrupting range: AC: 200kA, DC: 20kA (self certified)

Time constraint: 10ms

Datasheet

 

L60S Series

Littelfuse L60S Series Fuses by GD Rectifiers

Voltage range: 600Vac

Amperage range: 1-800A

Interrupting range: 200kA rms

Datasheet

 

For further information on Littelfuse’s semiconductor fuses, please call us on: 01444 243 452 or email: .(JavaScript must be enabled to view this email address).

Littelfuse

Littelfuse is a global leader in circuit protection, power semiconductors and power control and sensing platforms. The company was founded in 1927 and acquired IXYS Corporation in 2018.

Further information:

You can find further information on Littelfuse using the following links:

Tel: 01444 243 452

Fax: 01444 870 722

Email: enquiries@gdrectifiers.co.uk