BK8/MDA-2-RB datasheet, PDF - EEWORLD Datasheet

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BK8/MDA-2-RB: DescriptionElectric Fuse, Time Delay Blow, 2A, 250VAC, 100A (IR), Inline/holder, ROHS COMPLIANT; CategoryCircuit protection Circuit protection; File Size272KB，2 Pages; ManufacturerCooper Industries; Environmental Compliance

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BK8/MDA-2-RB Overview

Electric Fuse, Time Delay Blow, 2A, 250VAC, 100A (IR), Inline/holder, ROHS COMPLIANT

BK8/MDA-2-RB 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	70 J
Manufacturer's serial number	MDA
Installation features	INLINE/HOLDER
method of packing	BOX
physical size	6.35mm x 31.75mm
Rated breaking capacity	100 A
Rated current	2 A
Rated voltage (AC)	250 V
Guideline	CSA; UL
surface mount	NO
Terminal surface	Nickel (Ni)
Terminal shape	END CAP

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˝ x 1

˝ Ceramic Tube Fuses

MDA Series,

Time-Delay

Description

• Time-delay

• Optional axial leads available

• 1/4˝ x 1-1/4˝ (6.35 x 31.75mm) 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.

Dimensions - mm (in)

Drawing Not to Scale

38.10

(1.500)

32.82

(1.292)

38.10

(1.500)

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 213,

Test Condition J

• 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)

6.76

(0.266)

DIA. OF LEADS

0.81

0–15 AMP:

(0.032)

20–30 AMP: 1.02

(0.040)

31.75

(1.250)

6.35

(0.250)

Ordering

• Specify packaging, product, and option code

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-25A-R

MDA-30A-R

†

‡

Voltage

Rating

Vac

Vdc

250

125

250

125

250

125

AC Interrupting

Rating* (amps)

250V

125V

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

1500

10000

1500

10000

DC Interrupting

Rating (amps)

125V

10000

Typical DC Cold

Resistance**

(Ω)

9.325

1.925

0.8555

0.560

0.2585

0.170

0.06685

0.05350

0.03625

0.02610

0.02120

0.01690

0.01350

0.00948

0.00725

0.00553

0.00400

0.00305

0.00243

Typical

Melting I

t†

0.748

2.53

8.58

12.21

27.5

70.4

31.79

44.99

147.4

380.49

587.73

638.33

1038.4

1620.43

125.18

336.82

483.45

734.69

1096.7

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

0.135

0.128

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)

0709

SB-BU09312

Page 1 of 2

Data Sheet 2002

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