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Littelfuse Inc. 0603L Series

21 variants · Littelfuse Inc.

About the Littelfuse Inc. 0603L Series

The Littelfuse Inc. 0603L Series series groups 21 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common approval agency of cURus, TUV, case of 0603 (1608 Metric), Concave and height - seated of -. Variants differ by current - hold (Ih), current - max and current - trip, so you can match the exact current - hold (Ih) your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Littelfuse Inc. 0603L Series variants and discontinued ones from a single page.

Select a variant by

Current - hold (Ih)
1 A · 1.5 A · 3 A · 10 mA · 20 mA · 30 mA · 40 mA · 80 mA · 200 mA · 500 mA · 750 mA
Current - max
20 A · 40 A · 50 A
Current - trip
1 A · 1.5 A · 1.8 A · 3 A · 6 A · 50 mA · 60 mA · 90 mA · 120 mA · 200 mA · 500 mA
Operating temperature
-40°C ~ 85°C · -40°C~85°C
Package
Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Resistance - initial (Ri)
2.5 Ohms · 3 mOhms · 4 Ohms · 6 Ohms · 7 mOhms · 12 Ohms · 15 Ohms · 20 mOhms · 40 mOhms · 70 mOhms · 550 mOhms
Resistance - post trip (R1)
3.5 Ohms · 12 Ohms · 30 mOhms · 40 Ohms · 50 Ohms · 70 Ohms · 80 mOhms · 100 Ohms · 120 mOhms · 165 mOhms · 350 mOhms

Shared specifications

Approval agency
cURus, TUV
Case
0603 (1608 Metric), Concave
Height - seated
-
Lead spacing
-
Mounting
Surface Mount
Ratings
-
Type
Polymeric

Variant comparison

Parameter0603L001/60YR0603L050SLYR0603L004YR0603L003/36YR-A0603L150SLYR0603L300SLYR
Current - hold (Ih)10 mA500 mA40 mA30 mA1.5 A3 A
Current - max40 A50 A20 A40 A50 A50 A
Current - trip50 mA1 A120 mA90 mA3 A6 A
Operating temperature-40°C~85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C~85°C
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)
Resistance - initial (Ri)15 Ohms70 mOhms4 Ohms6 Ohms7 mOhms3 mOhms
Resistance - post trip (R1)100 Ohms350 mOhms40 Ohms50 Ohms80 mOhms30 mOhms

Request a quote on any Littelfuse Inc. 0603L Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants