BK/MDA-1/2-R datasheet, PDF - EEWORLD Datasheet

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BK/MDA-1/2-R: DescriptionElectric Fuse, Time Delay Blow, 0.5A, 250VAC, 35A (IR), Inline/holder, ROHS COMPLIANT; CategoryCircuit protection Circuit protection; File Size131KB，2 Pages; ManufacturerCooper Industries; Environmental Compliance

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BK/MDA-1/2-R Overview

Electric Fuse, Time Delay Blow, 0.5A, 250VAC, 35A (IR), Inline/holder, ROHS COMPLIANT

BK/MDA-1/2-R Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Cooper Industries
package instruction	ROHS COMPLIANT
Reach Compliance Code	unknown
Fusing characteristics	TIME DELAY
body height	31.75 mm
Body length or diameter	6.35 mm
Circuit protection type	ELECTRIC FUSE
Joule integral nominal	2 J
Installation features	INLINE/HOLDER
method of packing	BOX
physical size	6.35mm x 31.75mm
Rated breaking capacity	35 A
Rated current	0.5 A
Rated voltage (AC)	250 V
Guideline	CSA; UL
surface mount	NO
Terminal shape	END CAP

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1/4" x 1-1/4" Fuses

MDA Series, Time Delay, Ceramic Tube

Description

• Time Delay, ceramic tube

• Optional axial leads available

• 1/4 x 1-1/4 (6.3mm x 32mm) physical size

• Ceramic tube, nickel-plated brass endcap construction

• UL Listed product meets standard 248-14

ELECTRICAL CHARACTERISTICS

Rated Current

Amp Rating

Opening Time

100%

None

1/4 - 30A

135%

60 Minutes Max.

200%

120 Seconds Max.

RoHS

2002/95/EC

Agency Information

• UL Listed Card: MDA 2/10 - 20A (Guide JDYX,

File E19180)

• UL Recognized Card: MDA 25 - 30A (Guide JDYX2,

File E19180)

• CSA Certification Card: MDA 2/10 - 20

(Class No. 1422-01)

• CSA Component Acceptance: MDA 25-30A

(Class No. 1422-30)

Environmental Data

• Shock: 1/100A and 8/10A – MIL-STD-202,

Method 213, Test Condition I;

1A thru 30A – MIL-STD-202, Method 207,

(HI Shock)

• Vibration: 1/100A and 8/10A – MIL-STD-202,

Method 201; 1/4A thru 30A – MIL-STD-202,

Method 204, Test Condition C (Except 5g, 500HZ)

Ordering

• Specify packaging, product, and option code

Dimensions

(

mm

⁄

in

)

Drawing Not to Scale

SPECIFICATIONS

Product

Code

MDA-1/4

MDA-1/2

MDA-3/4

MDA-1

MDA-1-1/2

MDA-2

MDA-2-1/2

MDA-3

MDA-4

MDA-5

MDA-6

MDA-7

MDA-8

MDA-10

MDA-12

MDA-15

MDA-20

MDA-25A

MDA-30A

*

**

†

‡

Traditional Ferrule Fuses - Ferrule Type

Voltage

Rating

AC

DC

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

-

250V

125V

250V

125V

250V

125V

AC Interrupting

Rating*

250V

125V

35A

10000A

35A

10000A

35A

10000A

35A

10000A

100A

10000A

100A

10000A

200A

10000A

200A

10000A

200A

10000A

200A

10000A

200A

10000A

200A

10000A

200A

10000A

200A

10000A

750A

10000A

750A

10000A

1500A

10000A

1500A

10000A

1500A

10000A

DC Interrupting

Rating

125V

-

10000A

Typical DC Cold

Resistance**

(ohms)

9.325

1.925

0.8555

0.560

0.2585

0.1645

0.06685

0.0507

0.0346

0.02355

0.01850

0.01475

0.01230

0.00858

0.00725

0.00543

0.00358

0.00309

0.00243

Typical

Melting I

2

t†

AC

0.68

2.3

7.8

11.1

25.0

64.0

28.9

40.9

134.0

345.9

534.3

580.3

944.0

1491.3

113.8

206.2

439.5

667.9

997.0

Typical

Voltage

Drop‡

4.00

1.42

1.31

1.03

0.691

0.623

0.213

0.182

0.162

0.145

0.141

0.137

0.134

N/A

0.114

0.107

0.095

0.105

0.110

Interrupting Ratings (Measured at 70% - 80% power factor on AC. The interrupting ratings for 25Amp, 30Amp were measured at 90% - 100% power factor on AC)

DC Cold Resistance (Measured at

≤10%

of rated current)

Typical Melting I

2

t (A

2

Sec) (I

2

t was measured at listed interrupting rating and rated voltage)

Typical Voltage Drop (Voltage drop was measured at 25°C ambient temperature at rated current)

OC-86

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