Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 100 A, 750 V DC DC Volt Rating - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 100 A, 750 V DC DC Volt Rating

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS100.V, rated for 100 A at 750 V DC. This non-indicating fuse is designed for DC-only applications requiring rapid overcurrent…

SKU 3G-OTH-25203

Brand
LITTELFUSE
Item
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 100 A, 750 V DC DC Volt Rating
Category
Very-Fast-Acting Bolt-On Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LITTELFUSE
Manufacturer Part Number
L75QS100.V
Series
L75QS
Type
Very-Fast-Acting, 100 A, Non-Indicating
Voltage Type
DC Only
DC DC Volt Rating
750 V
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS100.V, rated for 100 A at 750 V DC. This non-indicating fuse is designed for DC-only applications requiring rapid overcurrent protection.

Frequently Asked Questions

What is the LITTELFUSE L75QS100.V fuse used for?

The LITTELFUSE L75QS100.V is a very-fast-acting bolt-on semiconductor fuse used for DC-only overcurrent protection in power electronics, inverters, and battery systems. It rapidly clears faults to safeguard sensitive components like IGBTs and diodes in industrial equipment.

What are the specifications of the L75QS100.V fuse?

The L75QS100.V is a LITTELFUSE L75QS Series semiconductor fuse rated for 100 A at 750 V DC. It is very-fast-acting, non-indicating, and designed for DC-only applications. The bolt-on mounting ensures secure installation in high-current circuits.

Where to buy the L75QS100.V fuse worldwide?

You can source the LITTELFUSE L75QS100.V fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your DC protection needs.

How to select the correct L75QS series fuse for a DC circuit?

To select the correct L75QS fuse, match the continuous current rating (e.g., 100 A) and DC voltage rating (750 V DC) to your circuit. Ensure the very-fast-acting characteristic aligns with semiconductor protection requirements. Consult LITTELFUSE application notes for coordination.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.

LITTELFUSE Products

3G Electric supplies LITTELFUSE very-fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 80 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS080.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 80 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS080.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 90 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS090.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 90 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS090.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 70 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS070.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 70 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS070.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 225 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS225.X). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 225 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS225.X). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 200 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS200.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 200 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS200.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 400 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS400.X). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 400 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS400.X). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.

More from LITTELFUSE

View all LITTELFUSE parts
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 225 A, 500 V AC, 500 V DC DC Volt Rating (MPN L50QS225.V). Key specifications — Series: L50QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
LITTELFUSE
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 225 A, 500 V AC, 500 V DC DC Volt Rating (MPN L50QS225.V). Key specifications — Series: L50QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 80 A, 700 V AC, 700 V DC DC Volt Rating (MPN L70QS080.V). Key specifications — Series: L70QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
LITTELFUSE
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 80 A, 700 V AC, 700 V DC DC Volt Rating (MPN L70QS080.V). Key specifications — Series: L70QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 40 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS040.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 40 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS040.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 125 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS125.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
LITTELFUSE
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 125 A, 750 V DC DC Volt Rating, Non-Indicating (MPN L75QS125.V). Key specifications — Series: L75QS; Brand: LITTELFUSE; Voltage Type: DC Only.
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 250 A, 700 V AC, 700 V DC DC Volt Rating (MPN L70QS250.X). Key specifications — Series: L70QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
LITTELFUSE
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 250 A, 700 V AC, 700 V DC DC Volt Rating (MPN L70QS250.X). Key specifications — Series: L70QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 600 A, 700 V AC, 700 V DC DC Volt Rating (MPN L70QS600.X). Key specifications — Series: L70QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
LITTELFUSE
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 600 A, 700 V AC, 700 V DC DC Volt Rating (MPN L70QS600.X). Key specifications — Series: L70QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 400 A, 500 V AC, 500 V DC DC Volt Rating (MPN L50QS400.V). Key specifications — Series: L50QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
LITTELFUSE
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 400 A, 500 V AC, 500 V DC DC Volt Rating (MPN L50QS400.V). Key specifications — Series: L50QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 250 A, 500 V AC, 500 V DC DC Volt Rating (MPN L50QS250.V). Key specifications — Series: L50QS; Brand: LITTELFUSE; Voltage Type: AC/DC.
LITTELFUSE
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 250 A, 500 V AC, 500 V DC DC Volt Rating (MPN L50QS250.V). Key specifications — Series: L50QS; Brand: LITTELFUSE; Voltage Type: AC/DC.