BK/MDA-1/4-R Eaton BK/MDA-1/4-R is a 250mA, 250VAC cartridge ceramic fuse with slow blow response. It comes in a 3AB 3AG package and requires a holder.
Mfr Part #:

BK/MDA-1/4-R

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Eaton BK/MDA-1/4-R is a 250mA, 250VAC cartridge ceramic fuse with slow blow response. It comes in a 3AB 3AG package and requires a holder.
Total Stock: 53 pcs
$ Price Range: $0.94 - $2.55

BK/MDA-1/4-R Available from 1 distributor

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BK/MDA-1/4-R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Melting I²t
Mounting Type
Response Time
Voltage Rating

BK/MDA-1/4-R Description

Short technical summary and product information.

The Eaton BK/MDA-1/4-R is a cartridge ceramic fuse designed for overcurrent protection in various electronic circuits. With a current rating of 250mA and a voltage rating of 250VAC, it provides reliable protection in moderate voltage applications. The fuse has a slow blow (time-delay) characteristic, making it suitable for circuits with inrush currents that would otherwise cause a fast-acting fuse to open unnecessarily. It has a breaking capacity of 35A at rated voltage, ensuring safe interruption of fault currents. The package size is 3AB, 3AG (1/4" x 1-1/4"), a standard industry size for cartridge fuses. This fuse requires a separate holder for mounting, offering flexibility in installation. The melting I²t rating is 0.748, which can be used for coordination studies. It is approved by CE, CSA, and UL, indicating compliance with international safety standards. This fuse is commonly used in power supplies, industrial controls, and other equipment where a time-delay fuse is needed.

BK/MDA-1/4-R Quick Information

Product Type: Cartridge Ceramic Fuse
Series: MDA
Canonical Name: Eaton BK/MDA-1/4-R Cartridge Ceramic Fuse 250mA 250V Slow Blow
Subcategory: Cartridge Ceramic Fuse

BK/MDA-1/4-R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BK/MDA-1/4-R Estimated Pricing

Qty Low High
1+ $2.55 $2.55
5+ $2.11 $2.11
10+ $1.95 $1.95
50+ $1.62 $1.62
100+ $1.49 $1.49
300+ $1.31 $1.31
500+ $1.23 $1.23
1,000+ $1.14 $1.14
5,000+ $0.94 $0.94

Estimated market price range - modelled values for guidance only, not live distributor offers.

BK/MDA-1/4-R Features

  • Ceramic cartridge fuse with slow blow response.
  • Rated for 250mA at 250VAC.
  • Breaking capacity of 35A at rated voltage.
  • Standard 3AB 3AG package size.
  • Melting I²t rating of 0.748.

BK/MDA-1/4-R Applications

  • Overcurrent protection in electronic circuits.
  • Time-delay for circuits with inrush currents.
  • Used in power supplies and industrial equipment.
  • Suitable for telecommunications and networking.

BK/MDA-1/4-R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BK/MDA-1/4-R fuse?

250 mA.

What is the voltage rating of the BK/MDA-1/4-R fuse?

250 V.

What is the breaking capacity of the BK/MDA-1/4-R fuse?

35 A at 250 VAC.

What is the response time of the BK/MDA-1/4-R fuse?

Slow Blow (time-delay).

What is the package size of the BK/MDA-1/4-R fuse?

3AB, 3AG (1/4" x 1-1/4").

What is the melting I²t rating of the BK/MDA-1/4-R fuse?

0.748.

Which approval agencies have certified the BK/MDA-1/4-R fuse?

CE, CSA, UL.

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