1
1
/4
˝ x 1 / ˝ Time-Delay, Glass Tube Fuses
4
MDL Series
Description
• Time-delay
• Optional axial leads available
1
1
• ⁄
4
x 1 ⁄ (6.4 x 31.7mm) physical size
• Glass4tube, nickel-plated brass endcap construction
• UL Listed product meets standard 248-14
Electrical Characteristics
% of Amp Rating
Rated Current
Opening Time
None
100%
135%
200%
200%
1
⁄
16 - 30A
60 minutes maximum
120 seconds maximum
5 seconds minimum
12 seconds minimum
1
⁄
16 - 3A
• For board washable, insert “B” between catalog series and
amp rating. E.g., BK-MDL-B-5-R
3-2⁄10 - 8A
200%
Agency Information
• For axial leads and board washable, insert “B” then “V”
•
UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180)
between catalog series and amp rating. E.g., BK-MDL-BV-5-R
• UL Recognized Card: MDL 9 - 30A (Guide JDYX2,
File E19180)
Dimensions - mm (in)
Drawing Not to Scale
• CSA Certification Card: MDL 1/16 - 8A (Class No. 1422-01)
• CSA Component Acceptance: MDL 9-30A
(Class No. 1422-30)
32.82
(1.292)
38.10
(1.500)
38.10
(1.500)
• CE
Environmental Data
• Shock: 1A thru 30A – MIL-STD-202, Method 207, (HI Shock)
• Vibration: 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)
Ordering
1.02
(0.040)
Specify packaging code
20–30 AMP:
• Insert packaging code prefix before part number. E.g., BK
(or BK1)-MDL-5-R
31.75
(1.250)
6.35
(0.250)
Specify option codes if desired
• For axial leads, insert “V” between catalog series and amp
rating. E.g., BK-MDL-V-5-R
Specifications
Voltage
Rating
Vac
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
32
Typical DC Cold
Resistance**
(Ω)
Typical
Typical
Voltage
Drop‡
2.79
2
AC Interrupting Rating* (amps)@
Part
Melting I t†
Number
250Vac
35
125Vac
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
-
32Vac
AC
0.0046
0.0420
0.0422
0.116
0.314
0.447
0.412
0.982
1.656
4.343
11.498
86.2
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
-
45.6
35
-
15.68
1.95
35
-
12.238
4.81
1.52
35
-
1.05
35
-
5.234
0.972
0.965
0.808
1.46
35
-
3.208
35
-
2.046
35
-
1.567
35
-
0.943
1.27
35
-
0.397
1.01
35
-
0.273
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
MDL-1-1/4-R
MDL-1-1/2-R
MDL-2-R
100
100
100
100
100
100
200
200
200
200
200
200
-
-
0.205
-
0.156
22.7
-
0.116
62.3
MDL-2-1/4-R
MDL-2-1/2-R
MDL-3-R
-
0.096
49.6
-
0.081
63.1
-
0.057
67.5
MDL-4-R
-
0.038
19.3
MDL-5-R
-
0.025
32.0
MDL-6-R
-
0.022
37.4
MDL-6-1/4-R
-
0.02
38.7
MDL-7-R
-
0.018
42.7
MDL-8-R
-
0.015
47.8
MDL-9-R
1000
1000
1000
1000
1000
1000
0.012
51.5
MDL-10-R
MDL-15-R
MDL-20-R
MDL-25††
MDL-30††
32
-
-
0.01
64.4
32
-
-
0.005
354.0
2914.0
15221.0
15581.0
32
-
-
0.004
32
-
-
0.01225
0.0011
32
-
-
0.40
*
Interrupting Ratings (Interrupting ratings were measured at 70% - 80% power factor on AC)
** DC Cold Resistance (Measured at ≤10% of rated current)
2
2
2
†
‡
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 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