0451.250MRL

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0451.250MRL

FUSE BOARD MNT 250MA 125VAC/VDC

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Specifications

Supplier Littelfuse Inc.
Package Tape & Reel (TR),Cut Tape (CT)
Series NANO²® 451
ProductStatus Active
MountingType Surface Mount
FuseType Board Mount (Cartridge Style Excluded)
CurrentRating(Amps) 250 mA
VoltageRating-AC 125 V
VoltageRating-DC 125 V
ResponseTime Fast Blow
Package/Case 2-SMD, Square End Block
BreakingCapacity@RatedVoltage 50A
MeltingI²t 0.0158
ApprovalAgency CSA, UL
OperatingTemperature -55°C ~ 125°C

Overview

Description

0451.250MRL is not a universal course code; its exact meaning varies by institution. A typical “Introduction to 0451.250MRL” would be an entry course in a domain such as Materials Research Lab (MRL) or a related area, aimed at building foundational knowledge and lab skills.
What you’d usually learn
- Core concepts relevant to the MRL domain, and basic terminology.
What you’d do
- Learn lab safety, experiment design, and basic measurement/characterization techniques.
- Perform simple hands-on experiments and analyze data.
- Develop skills in writing clear lab reports and presenting findings.
Structure and assessment
- Mix of lectures and hands-on labs.
- Weekly assignments, quizzes, and a final project or exam.
- Assessments typically include labs, reports, exams, and project work.
Prerequisites (typical)
- Introductory physics/chemistry and calculus or general science foundation.
Outcomes
- Plan and run basic experiments, interpret results, and communicate findings.
If you share the institution or department, I can tailor this to the exact syllabus.

Package

MRL in 0451.250MRL denotes a Molded Resin Lead package — i.e., a molded radial-leaded (leaded) package.

Equivalent

I can’t identify 0451.250MRL. To give equivalents, please share: device type (IC/regulator/sensor, etc.), manufacturer, package/footprint, supply/voltage, and a datasheet link. With that, I’ll provide exact cross-reference equivalents (Digi-Key/Mouser) and pinout/footprint notes.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer