Littelfuse Clear MIDI Bolt-down User Manual
Bolt-down Fuses
CLEAR MIDI® ST YLE BOLT-DOWN FUSE RATED 32V
Specifications
Interrupting Rating: 1000A @ 32 VDC
Voltage Rating: 32 VDC
Operating Temperature Range: -40˚C to + 125˚C
Housing: Transparent Nylon Composite
Terminal: Tin plated Copper
Mounting Torque M5: 4.5 Nm +/- 1Nm
Complies with: ISO 8820-5
UL 248 Special Purpose Fuses
Ordering Information
Part Number Package Size
0498xxx.SXT 20
Description
This MIDI® style fuse offers a bolt- on space saving fuse for high
current wiring protection and provides time delay characteristics
with “Diffusion Pill Technology”. The MIDI® was designed and
patented by Littelfuse.
0498xxx.MXT 1000
Time-Current Characteristics
Opening Time Min / Max (s)
% of Rating
30-125A 150-200A
75 – / – 360,000 s / –
100 360,000 s / – – / –
110 14,400 s / – – / –
150 90 s / 3,600 s – / –
200 3 s / 100 s 1 s / 15 s
300
350
500 0.1 s / 1 s 0.1 s / 1 s
0.3 s / 3 s
– / –
Ratings
Part Number Current Rating Font Color Typ. Voltage Drop Cold Resistance I2t
0498030._ 30 A 65 mV 2.06 mΩ 4200
0498040._ 40 A
0498050._ 50 A
0498060._ 60 A
0498070._ 70 A
0498080._ 80 A
0498100._ 100 A
0498125._ 125 A
0498150._
0498175._
0498200._
Note 1: Short circuit protectors only.
1
1
1
150 A 77 mV 0.323 mΩ 81900
175 A 77 mV 0.285 mΩ 100000
200 A 77 mV 0.261 mΩ 125000
65 mV 1.398 mΩ 10000
65 mV 1.025 mΩ 13000
68 mV 0.865 mΩ 21700
70 mV 0.72 mΩ 24000
58 mV 0.541 mΩ 24600
60 mV 0.457 mΩ 51300
71 mV 0.394 mΩ 73200
– / –
0.3 s / 5 s
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MIDI Rerating Curve
85
90
95
100
105
110
115
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Ambient Temperature (C)
Rerating Factor (% Rated Current)
Bolt-down Fuses
CLEAR MIDI® ST YLE BOLT-DOWN FUSE RATED 32V
Temperature Rerating Curve
Time-Current Characteristic Curves
40A
50A
60A
30A
70A
80A
100A
150A
125A
1000
100
10
175A
200A
Dimensions
Dimensions in mm
TIME IN SECONDS
1
0.1
0.01
10000100010010
Ratings
Part Number
“A”
mm (inches)
0498030._ .41 (.016) 4.0 (.157) 8.0 (.315)
0498040._ .41 (.016) 4.0 (.157) 8.0 (.315)
0498050._ .41 (.016) 4.0 (.157) 8.0 (.315)
0498060._ .41 (.016) 4.0 (.157) 8.0 (.315)
0498070._ .41 (.016) 4.0 (.157) 8.0 (.315)
0498080._ .41 (.016) 4.0 (.157) 8.0 (.315)
0498100._ 0.63 (.025) 4.3 (.169) 8.3 (.327)
0498125._ 0.63 (.025) 4.3 (.169) 8.3 (.327)
0498150._ 0.63 (.025) 4.3 (.169) 8.3 (.327)
0498175._ 0.63 (.025) 4.3 (.169) 8.3 (.327)
0498200._ 0.63 (.025) 4.3 (.169) 8.3 (.327)
“B”
mm (inches)
“C”
mm (inches)
www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
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