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BK8/MDA-1/4V

Description
TIME DELAY BLOW ELECTRIC FUSE, 0.25A, 250VAC, 35A (IR), THROUGH HOLE
CategoryCircuit protection    Circuit protection   
File Size131KB,2 Pages
ManufacturerEaton
Download Datasheet Parametric View All

BK8/MDA-1/4V Overview

TIME DELAY BLOW ELECTRIC FUSE, 0.25A, 250VAC, 35A (IR), THROUGH HOLE

BK8/MDA-1/4V Parametric

Parameter NameAttribute value
Reach Compliance Codeunknown
ECCN codeEAR99
Fusing characteristicsTIME DELAY
body height32.82 mm
Body length or diameter6.76 mm
Circuit protection typeELECTRIC FUSE
JESD-609 codee3
Joule integral nominal
Manufacturer's serial numberMDA
Installation featuresTHROUGH HOLE
method of packingBOX
physical size6.76mm x 32.82mm
Rated breaking capacity35 A
Rated current0.25 A
Rated voltage (AC)250 V
GuidelineCSA; UL
surface mountNO
Terminal surfaceTIN
Terminal shapePIN WIRE
Base Number Matches1
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
(
mm
in
)
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
AC
DC
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
250V
-
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
10000A
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
2
t†
AC
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
2
t (A
2
Sec) (I
2
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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