BK/MDA-5-R – TBC

Part Number:

BK/MDA-5-R

Manufacturer:

TBC

Date Code:

RoHS:

RoHS Compliant

MSL:

Not Applicable

COO:

CHINA

Description:

5 A, 250 V AC/DC Ceramic Fuse, 1/4″ x 1-1/4″, 3AB/3AG, Holder Required

Datasheet:

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Stock Quantity: 80

Selling Unit: Each

Quantity	Price (ex VAT)
1+	0.31
10+
50+
100+

80 in stock

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Product Details:

Overview

The Eaton BK/MDA-5-R is a 5A, 250VAC slow-blow ceramic cartridge fuse designed for robust overcurrent protection in demanding electrical systems. Its primary function is to safeguard sensitive circuitry from damaging surges and sustained overloads by reliably interrupting fault currents up to 200A at its rated voltage. A critical design consideration for ceramic fuses like the BK/MDA-5-R is their inherent thermal mass; while this contributes to arc suppression and higher breaking capacity, it also implies a slower response to minor, transient overcurrents compared to glass fuses, necessitating careful selection based on the specific load’s inrush characteristics to avoid nuisance tripping while ensuring adequate protection.

Key Features

Current Rating: 5 A
Voltage Rating (AC): 250 V
Response Type: Slow Blow
Breaking Capacity: 200 A @ 250 VAC
Melting I²t: 65.0 A²s
Dimensions: 0.250″ Dia x 1.250″ L (6.35mm x 31.75mm)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

Power supply input stage surge suppression
Protection of inductive loads in motor control circuits
High-reliability instrumentation circuit overcurrent safeguarding
AC mains input filtering and protection stages