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

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BK/MDA-2-1/2-R: DescriptionTIME DELAY BLOW ELECTRIC FUSE, 2.5A, 250VAC, 200A (IR), INLINE/HOLDER, ROHS COMPLIANT; CategoryCircuit protection Circuit protection; File Size471KB，2 Pages; ManufacturerEaton; Environmental Compliance

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BK/MDA-2-1/2-R Overview

TIME DELAY BLOW ELECTRIC FUSE, 2.5A, 250VAC, 200A (IR), INLINE/HOLDER, ROHS COMPLIANT

BK/MDA-2-1/2-R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Eaton
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	28 J
Manufacturer's serial number	MDA
Installation features	INLINE/HOLDER
method of packing	BOX
physical size	6.35mm x 31.75mm
Rated breaking capacity	200 A
Rated current	2.5 A
Rated voltage (AC)	250 V
Guideline	CSA; UL
surface mount	NO
Terminal shape	END CAP

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Technical Data

2002

Effective

July

2017

Supersedes

June

2017

MDA

1/4” x 1 1/4” Time-delay ceramic tube fuses

Agency information

•

UL Listed Card: MDA

1/4

- 20 A (Guide JDYX, File E19180)

•

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

E19180)

•

CSA Certification Card: MDA

1/4

- 20

(Class No. 1422-01)

•

CSA Component Acceptance: MDA 25-30 A (Class No.

1422-30)

Environmental data

•

Product features

•

Time-delay

Optional axial leads available

1/4” x 1-1/4” (6.35 x 31.75 mm) physical size

Ceramic tube, nickel-plated brass endcap construction

UL Listed product meets standard 248-14

•

Shock: 1 A thru 30 A – MIL-STD-202, Method 213, Test

Condition J

Vibration: 1/4 A thru 30 A – MIL-STD-202, Method 204, Test

Condition C (Except 5 g, 500 Hz)

Ordering

•

Specify packaging, product and option code.

Rated Current

1/4 - 30 A

Electrical Characteristics

Amp Rating

Opening Time

100%

None

135%

minutes

Max.

200%

120

seconds

Max.

Specifications

Part

Number

MDA-1/4-R

MDA-1/2-R

MDA-3/4-R

MDA-1-R

MDA-1-1/2-R

MDA-2-R

MDA-2-1/2-R

MDA-3-R

MDA-4-R

MDA-5-R

MDA-6-R

MDA-7-R

MDA-8-R

MDA-10-R

MDA-12-R

MDA-15-R

MDA-20-R

MDA-25-R

MDA-30-R

Voltage Rating

Vac

Vdc

250

125

250

125

250

125

AC Interrupting

Rating* (A)

250 V 125 V

10000

100

10000

100

10000

200

10000

200

10000

200

10000

200

10000

200

10000

200

10000

200

10000

200

10000

750

10000

750

10000

1500 10000

DC Interrupting

Rating (A) 125 V

10000

Typical DC Cold

Resistance**

(Ω)

8.7

1.78

0.82

0.56

0.2565

0.17

0.068

0.0525

0.03575

0.0256

0.02035

0.0165

0.013

0.00925

0.00755

0.00565

0.004065

0.0031

0.002465

Typical

Typical Voltage

t†

Drop‡

Melting

0.748

4.00

2.53

1.42

8.58

1.31

12.21

1.03

27.5

0.691

70.4

0.623

31.79

0.213

44.99

0.182

147.4

0.162

380.49

0.145

587.73

0.141

638.33

0.137

1038.4

0.134

1620.43

0.135

125.18

0.128

336.82

0.107

483.45

0.095

734.69

0.105

1096.7

0.110

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

DC Cold Resistance (Measured at _<10% of rated current)

†

Typical Melting I

t (A

sec)

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)

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