BK-MDA-20RX datasheet, PDF - EEWORLD Datasheet

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BK-MDA-20RX: DescriptionCartridge Fuses BUSS SMALL DIMESION FUSE; CategoryCircuit protection; File Size116KB，2 Pages; ManufacturerEaton

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BK-MDA-20RX Overview

Cartridge Fuses BUSS SMALL DIMESION FUSE

BK-MDA-20RX Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Eaton
Product Category	Cartridge Fuses
RoHS	N
Product	Ceramic Fuse
Current Rating	20 A
Fuse Type	Time Delay / Slow Blow
Fuse Size / Group	3AB (6.3 mm x 32 mm)
Voltage Rating AC	250 VAC
Voltage Rating DC	125 VDC
Mounting Style	Holder / Clip
Termination Style	Clip
Packaging	Bulk
Body Style	Cylindrical
Diameter	6.35 mm
Indicator Style	Without Indicator
Length	31.75 mm
Factory Pack Quantity	1
Unit Weight	0.098767 oz

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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

Amp Rating

Opening Time

Rated Current

None

100%

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

†

‡

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

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)

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