Page 1
Non resettable fuses
8.54.3
18.8
ø 8.5
3.2
0.5
ø 0.64
5.08
3.2
ø 0.64
5.08
8.5
ø 8.5
0.5
1
+0.1
0
5.08
Subminiature Fuse, 8.5 mm, Time-Lag T, 250 VAC, 100 A
IEC 60127-3 · 250 VAC · Time-Lag T
MXT 250
www.schurter.com/pg01_2
Description
- Directly solderable on printed circuit boards
- High Breaking Capacity
Standards
- IEC 60127-3/4
- UL 248-14
- CSA C22.2 no. 248.14
Approvals
- VDE Certificate Number: 40008838
- UL File Number: E41599
- CSA File Number: 51172
Technical Data
Rated Voltage 250 VAC
Rated Current 0.8 - 10 A
Breaking Capacity 100 A
Characteristic Time-Lag T
Mounting PCB,THT
Admissible Ambient Air Temp. -55 °C to 125 °C
Climatic Category 55/125/21 acc. to IEC 60068-1
Material: Housing Thermoplastic, UL 94V-0
Material: Terminals Tin-Plated Copper
Unit Weight 0.78 g
Storage Conditions 0 °C to 60 °C, max. 70% r.h.
Product Marking , Type, Current, Voltage, Characteri-
stic, Approvals
Applications
- Primary Protection on PCB
- Power Supply Adapter for e.g. laptops
- SMPS (Switching Mode Power Supply) for TV's and DVD's
References
Packaging Details
Corresponding Fuseholder FMS (250V
)
Weblinks
pdf, html, General Product Information, Approvals, RoHS, CHINA-RoHS,
e-Store, SCHURTER-Stock-Check, Distributor-Stock-Check
Soldering Methods Wave, Iron
Solderability 235 °C / 2 sec acc. to IEC 60068-2-20,
Resistance to Soldering Heat 260 °C / 5 sec acc. to IEC 60068-2-20,
Resistance to Vibration acc. to IEC 60068-2-6, test Fc
Life Test MIL-STD-202, Method 108A
Load Humidity Test MIL-STD-202, Method 103B
Moisture Resistance Test MIL-STD-202, Method 106E
Terminal Strength MIL-STD-202, Method 211A
Case Resistance acc. to EIA/IS-722, Test 4.7
Mechanical Shock MIL-STD-202, Method 213B
Resistance to Solvents MIL-STD-202, Method 215A
Flammability min. UL 94V-1
Test Ta, method 1
Test Tb, method 1A
(1000h @ 0.42*In @ 70°C)
(1000h @ 0.1*In @ 0.85 r.H. @ 85°C)
(50 cycles in a temp./mister chamber)
(Deflection of board 1 mm for 1 minute)
Ω (between leeds and body)
>100 M
(Shock 50gn, half sine wave, 11 ms)
(acc. to EIA/IS-722, Test 4.12)
Dimensions
8.5 mm
Drilling diagram
Fuses
1
Page 2
2
MXT 250
Non resettable fuses
www.schurter.com/pg01_2
Pre-Arcing Time
Rated Current In 1.0 x In min. 1.5 x In min. 2.0 x In max. 2.1 x In max. 2.75 x In min. 2.75 x In max. 4.0 x In min. 4.0 x In max. 10.0 x In min. 10.0 x In max.
0.8 A - 6.3 A - 60 min - 120 s 400 ms 10 s 150 ms 3 s 20 ms 150 ms
8 A - 10 A 4 h
- 60 s - - - - - - -
Variants
S = Short Terminals
L = Long Terminals
T = Taped and Reeled
.
Rated
Cur-
rent [A]
Rated
Voltage
[VAC]
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissi-
pation 1.5 I
max. [mW]
n
Melting I²t
10.0 Intyp.
[A²s]
S L T Order
Number
0.8 250 1) 160 150 430 1.5
1 250 1) 140 130 500 4.4
1.25 250 1) 130 120 600 6.3
1.6 250 1) 120 110 730 10
2 250 1) 100 85 870 16
2.5 250 1) 100 85 1000 32
3.15 250 1) 100 75 1200 57
4 250 1) 100 75 1400 77
5 250 1) - 70 - 155
6.3 250 1) - 65 - 262
8 250 1) - 62 - 397
10 250 1) - 62 - 440
0.8 250 1) 160 150 430 1.5
1 250 1) 140 130 500 4.4
1.25 250 1) 130 120 600 6.3
1.6 250 1) 120 110 730 10
2 250 1) 100 85 870 16
2.5 250 1) 100 85 1000 32
3.15 250 1) 100 75 1200 57
4 250 1) 100 75 1400 77
5 250 1) - 70 - 155
6.3 250 1) - 65 - 262
8 250 1) - 62 - 397
10 250 1) - 62 - 440
0.8 250 1) 160 150 430 1.5
1 250 1) 140 130 500 4.4
1.25 250 1) 130 120 600 6.3
1.6 250 1) 120 110 730 10
2 250 1) 100 85 870 16
2.5 250 1) 100 85 1000 32
3.15 250 1) 100 75 1200 57
4 250 1) 100 75 1400 77
5 250 1) - 70 - 155
6.3 250 1) - 65 - 262
8 250 1) - 62 - 397
10 250 1) - 62 - 440
1) 100 A @ 250 VAC , p.f. = 1.0
l
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0034.6914
0034.6915
0034.6916
0034.6917
0034.6918
0034.6919
0034.6920
0034.6921
0034.6922
0034.6923
0034.6924
0034.6925
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0034.6944
l
0034.6945
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0034.6946
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0034.6947
l
0034.6948
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0034.6949
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0034.6950
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0034.6951
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0034.6952
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0034.6953
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0034.6954
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0034.6955
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0034.6974
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0034.6975
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0034.6976
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0034.6977
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0034.6978
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0034.6979
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0034.6980
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0034.6981
l
0034.6982
l
0034.6983
l
0034.6984
l
0034.6985
Packaging Unit
S + L = Plastic Bag (100 pcs.)
T = Taped 36 cm Reel (750 pcs.)
Fuses
Page 3
Non resettable fuses
0.001
0.01
0.1
1
10
100
1000
10000
100000
1
10
Time-Current-Curves
Time in Seconds
MXT 250
www.schurter.com/pg01_2
Multiple of Rated Current In
The specifications, descriptions and illustrations indicated in this document are based on
current information. All content is subject to modifications and amendments.
Fuses
3
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