BK8/MDA-7-R datasheet, PDF - EEWORLD Datasheet

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BK8/MDA-7-R: DescriptionTIME DELAY BLOW ELECTRIC FUSE, 7A, 250VAC, 200A (IR), INLINE/HOLDER, ROHS COMPLIANT; CategoryCircuit protection Circuit protection; File Size328KB，2 Pages; ManufacturerEaton; Environmental Compliance

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BK8/MDA-7-R Overview

TIME DELAY BLOW ELECTRIC FUSE, 7A, 250VAC, 200A (IR), INLINE/HOLDER, ROHS COMPLIANT

BK8/MDA-7-R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
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	580 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	7 A
Rated voltage (AC)	250 V
Guideline	CSA; UL
surface mount	NO
Terminal shape	END CAP
Base Number Matches	1

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1/4” x 1 1/4” Time-Delay Ceramic Tube Fuses

MDA Series

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)

Dimensions - mm (in)

Drawing Not to Scale

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

Rated Current

1/4 - 30A

Electrical Characteristics

Amp Rating

Opening Time

100%

None

135%

60 Minutes Max.

200%

120 Seconds Max.

38.10

(1.500)

32.82

(1.292)

38.10

(1.500)

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)

Agency Information

•

UL Listed Card: MDA

- 20A (Guide JDYX, File E19180)

UL Recognized Card: MDA 25 - 30A (Guide JDYX2, File E19180)

CSA Certification Card: MDA

- 20 (Class No. 1422-01)

CSA Component Acceptance: MDA 25-30A (Class No. 1422-30)

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

DC Interrupting

Rating (amps) 125V

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

Melting I t† AC

Drop‡

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 25A, 30A 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)

0711

BU-SB11875

Page 1 of 2

Data Sheet 2002

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