Effective June 2017
Supersedes February 2009
Technical Data 2004
MDL
1/4” x 1 1/4” Time-delay glass tube fuses
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)
CSA Component Acceptance: MDL 9-30A
(Class No. 1422-30)
•
CE
Ordering
•
•
Specify packaging code
Insert packaging code prefix before part number. E.g., BK (or
BK1)-MDL-5-R
Specify option codes if desired
For axial leads, insert “V” between catalog series and amp
rating. E.g., BK-MDL-V-5-R
For board washable, insert “B” between catalog series and
amp rating. E.g., BK-MDL-B-5-R
For axial leads and board washable, insert “B” then “V”
between catalog series and amp rating. E.g., BK-MDL-BV-5-R
Product features
• 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
•
•
•
•
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)
Speciꢀcations
Voltage
Rating
Vac
Typical DC Cold
Resistance**
(Ω)
Typical
Typical
Voltage
Drop‡
2
AC Interrupting Rating* (amps)@
Part
Melting I t†
AC
Number
250Vac
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
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
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
32
35
35
35
35
35
35
35
35
35
35
35
100
100
100
100
100
100
200
200
200
200
200
200
-
-
45.6
15.68
12.238
4.81
0.0046
0.0420
0.0422
0.116
0.314
0.447
0.412
0.982
1.656
4.343
11.498
86.2
2.79
1.95
-
-
1.52
1.05
-
-
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
0.972
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
MDL-1-1/4-R
MDL-1-1/2-R
MDL-2-R
-
-
22.7
-
62.3
MDL-2-1/4-R
MDL-2-1/2-R
MDL-3-R
-
49.6
-
63.1
-
67.5
MDL-4-R
-
19.3
MDL-5-R
-
-
32.0
MDL-6-R
37.4
MDL-6-1/4-R
MDL-7-R
-
38.7
-
42.7
MDL-8-R
-
47.8
MDL-9-R
1000
1000
1000
1000
1000
1000
51.5
MDL-10-R
MDL-15-R
MDL-20-R
MDL-25††
MDL-30††
32
-
-
64.4
32
-
-
354.0
2914.0
15221.0
15581.0
32
-
-
32
-
-
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.