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/ 4 ? x 1 1 / 4 ? Time-Delay, Glass Tube Fuses
1
MDL Series
Description
? Time-delay
? Optional axial leads available
? 1 ? 4 x 1 1 ? 4 (6.4 x 31.7mm) physical size
? Glass tube, nickel-plated brass endcap construction
? UL Listed product meets standard 248-14
Electrical Characteristics
? 16 - 30A
Rated Current
1
% of Amp Rating Opening Time
100% None
135% 60 minutes maximum
200% 120 seconds maximum
? 16 - 3A
1
3- 2 ? 10 - 8A
200% 5 seconds minimum
200% 12 seconds minimum
? For board washable, insert “B” between catalog series and
amp rating. E.g., BK-MDL-B-5-R
Agency Information
? UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180)
? UL Recognized Card: MDL 9 - 30A (Guide JDYX2,
File E19180)
? CSA Certification Card: MDL 1/16 - 8A (Class No. 1422-01)
? For axial leads and board washable, insert “B” then “V”
between catalog series and amp rating. E.g., BK-MDL-BV-5-R
Dimensions - mm ( in )
Drawing Not to Scale
? CSA Component Acceptance: MDL 9-30A
(Class No. 1422-30)
? CE
38.10
(1.500)
32.82
(1.292)
38.10
(1.500)
Environmental Data
? Shock: 1A thru 30A – MIL-STD-202, Method 207, (HI Shock)
0–15 AMP:
?  Vibration: 1/4Athru 30A– MIL-STD-202, Method 204, Test
Condition C (Except 5g, 500HZ)
Ordering
Specify packaging code
? Insert packaging code prefix before part number. E.g., BK
(or BK1)-MDL-5-R
Specify option codes if desired
6.76
(0.266)
31.75
(1.250)
DIA. OF LEADS
0.81
(0.032)
20–30 AMP: 1.02
(0.040)
6.35
(0.250)
? For axial leads, insert “V” between catalog series and amp
rating. E.g., BK-MDL-V-5-R
Part
Number
Voltage
Rating
Vac
Specifications
AC Interrupting Rating* (amps)@
250Vac 125Vac 32Vac
Typical DC Cold
Resistance**
( Ω )
Typical
Melting I 2 t?
AC
Typical
Voltage
Drop?
MDL-1/16-R
MDL-1/10-R
MDL-1/8-R
MDL-3/16-R
MDL-2/10-R
MDL-1/4-R
MDL-3/10-R
MDL-3/8-R
MDL-1/2-R
MDL-3/4-R
MDL-1-R
MDL-1-1/4-R
MDL-1-1/2-R
MDL-2-R
MDL-2-1/4-R
MDL-2-1/2-R
MDL-3-R
MDL-4-R
MDL-5-R
MDL-6-R
MDL-6-1/4-R
MDL-7-R
MDL-8-R
MDL-9-R
MDL-10-R
MDL-15-R
MDL-20-R
MDL-25??
MDL-30??
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
32
32
32
32
32
32
35
35
35
35
35
35
35
35
35
35
35
100
100
100
100
100
100
200
200
200
200
200
200
-
-
-
-
-
-
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1000
1000
1000
1000
1000
1000
45.6
15.68
12.238
4.81
5.234
3.208
2.046
1.567
0.943
0.397
0.273
0.205
0.156
0.116
0.096
0.081
0.057
0.038
0.025
0.022
0.02
0.018
0.015
0.012
0.01
0.005
0.004
0.01225
0.0011
0.0046
0.0420
0.0422
0.116
0.314
0.447
0.412
0.982
1.656
4.343
11.498
86.2
22.7
62.3
49.6
63.1
67.5
19.3
32.0
37.4
38.7
42.7
47.8
51.5
64.4
354.0
2914.0
15221.0
15581.0
2.79
1.95
1.52
1.05
0.972
0.965
0.808
1.46
1.27
1.01
0.995
0.722
0.721
0.644
0.535
0.410
0.345
0.187
0.160
0.155
0.152
0.140
0.119
0.124
0.114
0.130
0.530
0.30
0.40
* Interrupting Ratings (Interrupting ratings were measured at 70% - 80% 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±3°C ambient temperature at rated current)
?? MDL-25 & MDL-30 not available in RoHS compliant construction.
0209
SB-BU08675
Page 1 of 2
Data Sheet 2004
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