Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
FUSE
Circuit Protection Products and Mounting Accessories
(1) Size for these surface mount items refers to common industry length and width dimensions of the device surface area. Example: 0402 = .04”×.02”
(2) In some cases for these categories the ratings, agency approvals and specifications vary by part number and are presented here as ranges representing the whole series. Please refer to product
data in our datasheets for detailed information by part number.
* Please refer to data sheet for detailed specifications.
Fuse Characteristics, Terms and Consideration Factors
Fuse Selection Checklist
Standards
Packaging and Part Numbering
Legal Disclaimers
Series
Name
Size
1
Time-Lag (Slo-Blo
®
)
Fast-Acting Very Fast-Acting
Device Range
2
(Operating
Current Options
in Amps)
Max. Voltage
Rating
2
(Volts)
Interrupting
Rating at
Max. Voltage
Rating
2
(Amps)
Operating
Temperature
Range
Agency
Approvals
2
Halogen Free RoHS Compliant Lead Free UL UR CSA PSE UMF
Surface Mount:
Ceramic
Chip
437 1206 • 0.25–8 125 / 63 / 32 50
–55°C to +150°C
• • • •
438 0603 • 0.25–6 32 / 24 50 • • • •
440 1206 • 1.75–8 32 50 • • • • •
441 0603 • 2–6 32 50 • • • • •
469 1206 • 1–8 24 / 32 24–63 • • • • •
501 1206 • 10, 12, 15, 20 32 150 • • • •
Thin Film
466 1206 • 0.125–5 125 / 63 / 32 50
–55°C to +90°C
• • • •
429 1206 • 7 24 35 • • • •
468 1206 • 0.5–3 63 / 32 35–50 • • • • •
467 0603 • 0.25–5 32 35–50 • • • • •
494 0603 • 0.25–5 32 35–50 • • • • •
435 0402 • 0.25–5 32 35 • • • • •
Nano
2®
448 2410 • 0.062–15 125 / 65 35–50
–55°C to +125°C
• • • • •
449 2410 • 0.375–5 125 50 • • • •
451 / 453 2410 • 0.062–15 125 / 65 35–50 • • • • • •
452 / 454 2410 • 0.375–12 125 / 72 50 • • • • •
456 4012 • 20, 25, 30, 40 125 100 • • • •
458 1206 • 1.0–10 75 / 63 50 • • •
443 4012 • 0.5–5 250 50 • • •
464 4818 • 0.5–6.3 250 100 • • • •
465 4818 • 1–6.3 250 100 • • • •
462 4118 • 0.500–5 350 100 –40°C to +80°C • • •
485 4818 • 0.500–3.15 600 100 –55°C to +125°C • • •
Telelink
®
461 4012 0.5–2.0 600 60 –55°C to +125°C • • • •
OMNI-BLOK
®
154 * • 0.062–10.0 125 35–50
–55°C to +125°C
• • • •
154T/154L/154TL * • 0.375–7 125 50 • • • •
Fuse and
Clip
Assemblies
157 * • 0.062–10 125 35–50
–55°C to +125°C
• • • •
157T * • 0.375–5 125 50 • • • •
159 * 0.5–2 600 60 • • •
160 * • 0.5–5 250 50 • • •
PICO
®
SMF
459 * • 0.062–5 125 50–300
–55°C to +125°C
• •
460 * • 0.5–5 125 50 • •
Flat Pak
202 * • 0.062–5 250 50
–55°C to +125°C
• •
203 * • 0.25–5 250 50 • •
EBF
446/447 * • 2.0–10.0 350 100 –40°C to +125°C • •
© 2017 Littelfuse, Inc.
Specifications, descriptions and illustrative material in this literature are
as accurate as known at the time of publication, but are subject to change
without notice. Visit www.littelfuse.com for more information.
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