BK8/MDA-20V datasheet, PDF - EEWORLD Datasheet

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BK8/MDA-20V: DescriptionTIME DELAY BLOW ELECTRIC FUSE, 20A, 250VAC, 125VDC, 1500A (IR), THROUGH HOLE; CategoryCircuit protection Circuit protection; File Size131KB，2 Pages; ManufacturerEaton

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BK8/MDA-20V Overview

TIME DELAY BLOW ELECTRIC FUSE, 20A, 250VAC, 125VDC, 1500A (IR), THROUGH HOLE

BK8/MDA-20V Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	RATED BREAKING CAPACITY AT 125 VDC: 10000 A
Fusing characteristics	TIME DELAY
body height	32.82 mm
Body length or diameter	6.76 mm
Circuit protection type	ELECTRIC FUSE
JESD-609 code	e3
Joule integral nominal	439 J
Manufacturer's serial number	MDA
Installation features	THROUGH HOLE
method of packing	BOX
physical size	6.76mm x 32.82mm
Rated breaking capacity	1500 A
Rated current	20 A
Rated voltage (AC)	250 V
Rated voltage (DC)	125 V
Guideline	CSA; UL
surface mount	NO
Terminal surface	TIN
Terminal shape	PIN WIRE
Base Number Matches	1

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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

(

⁄

)

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

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

t†

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

t (A

Sec) (I

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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