Fuses
https://www.schurter.com /PG01_2
MSTU 250
Subminiature Fuse, 8.5 mm, Time-Lag T, 250 VAC, cULus
UL 248-14 · 250 VAC · Time-Lag T
Description
See below:
Approvals and Compliances
References
Weblinks
Packaging Details
Corresponding Fuseholder
FMS (250V)
pdf datasheet, html-datasheet, General Product Information, Packaging
details, Distributor-Stock-Check, Detailed request for product
- Directly solderable on printed circuit boards
- Low Breaking Capacity
Technical Data
Rated Voltage
Rated current
Breaking Capacity
Characteristic
Mounting
Admissible Ambient Air Temp.
Climatic Category
Material: Housing
Material: Terminals
Unit Weight
Storage Conditions
Product Marking
250 VAC
0.063 - 10 A
50 A
Time-Lag T
PCB,THT
-40 °C to 85 °C
40/085/21 acc. to IEC 60068-1
Thermoplastic, UL 94V-0
Tin-Plated Copper
0.53 g
0 °C to 40 °C, max. 70% r.h.
, Type, Rated current, Rated Voltage,
Characteristic, Approvals
Soldering Methods
Solderability
Resistance to Soldering Heat
Current Carrying Capacity
Moisture Resistance Test
Terminal Strength
Case Resistance
Mechanical Shock
Vibration, High Frequency
Resistance to Solvents
Flammability
Wave
Soldering Profile
235 °C / 2 sec acc. to IEC 60068-2-20,
Test Ta
260 °C / 10 sec acc. to IEC 60068-2-20,
Test Tb
acc. to EIA/IS-722, Test 4.3.3
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
(acc. to EIA/IS-722, Test 4.9)
MIL-STD-202, Method 204D
Shock 20 gn, 20 min, 10-2 kHz, 12 cyc.
MIL-STD-202, Method 215A
UL 94V-0
(acc. to EIA/IS-722, Test 4.12)
Approvals and Compliances
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in
Details about
Approvals
Approvals
The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.
Approval Reference Type: MSTU 250
Approval Logo
Certificates
UL Approvals
Certification Body
UL
Description
UL File Number: E41599
Product standards
Product standards that are referenced
Organization
Design
Designed according to
Designed according to
Standard
UL 248-14
CSA22.2 No. 248.14
Description
Low voltage fuses - Part 14: Additional fuses
Low-Voltage Fuses - Part 14: Supplemental Fuses
Fuses
1
MSTU 250
Application standards
Application standards where the product can be used
Organization
Design
Designed for applications acc.
Standard
IEC/UL 60950
Description
https://www.schurter.com /PG01_2
Fuses
IEC 60950-1 includes the basic requirements for the safety of information
technologyequipment.
Compliances
The product complies with following Guide Lines
Identification
Details
CE declaration of conformity
Initiator
SCHURTER AG
Description
The CE marking declares that the product complies with the applicable
requirements laid down in the harmonisation of Community legislation on
its affixing in accordance with EU Regulation 765/2008.
EU Directive RoHS 2011/65/EU
The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March
2007. It is similar to the EU directive RoHS.
On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration,
Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as
"REACH") entered into force.
RoHS
China RoHS
REACH
SCHURTER AG
SCHURTER AG
SCHURTER AG
Dimension [mm]
8.5 mm
ø 8.5
ø 8.5
8.5
8.5
0.5
0.5
1
+0.1
0
3.2
18.8
4.3
5.08
ø 0.64
5.08
3.2
ø 0.64
5.08
Drilling diagram
Pre-Arcing Time
Rated Current In
0.063 A - 10 A
1.0 x In min.
4h
2.0 x In max.
120 s
2
Fuses
Fuses
https://www.schurter.com /PG01_2
MSTU 250
Time-Current-Curves
100000
10000
1000
100
Time in Seconds
10
1
0.1
0.01
0.001
1
10
Multiple of Rated Current In
All Variants
Rated Cur-
rent [A]
Rated Vol-
tage [VAC]
Breaking
Capacity
Voltage Drop
1.0 In typ.
[mV]
544
413
318
289
219
262
202
168
159
143
124
114
100
94
85
80
75
71
72
70
68
50
50
544
413
318
289
Power Dissi-
pation 1.0 In
typ. [mW]
37
38
35
40
38
60
55
49
69
78
85
98
107
127
145
175
205
240
303
376
488
445
630
37
38
35
40
Melting I²t
10.0 In typ.
[A²s]
0.0176
0.0313
0.0456
0.0567
0.0692
0.133
0.258
0.361
0.528
0.898
2.24
4.05
6.85
7.93
17.5
28.6
40.9
55
67.2
142
287
422
564
0.0176
0.0313
0.0456
0.0567
l
l
l
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l
l
l
l
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l
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l
l
S
L
T Order Number
0.063
0.08
0.1
0.125
0.16
0.2
0.25
0.315
0.4
0.5
0.63
0.8
1
1.25
1.6
2
2.5
3.15
4
5
6.3
8
10
0.063
0.08
0.1
0.125
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
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l
l
0034.7103
0034.7104
0034.7105
0034.7106
0034.7107
0034.7108
0034.7109
0034.7110
0034.7111
0034.7112
0034.7113
0034.7114
0034.7115
0034.7116
0034.7117
0034.7118
0034.7119
0034.7120
0034.7121
0034.7122
0034.7123
0034.7124
0034.7125
0034.7203
0034.7204
0034.7205
0034.7206
Fuses
3
MSTU 250
https://www.schurter.com /PG01_2
Fuses
Rated Cur-
rent [A]
Rated Vol-
tage [VAC]
Breaking
Capacity
Voltage Drop
1.0 In typ.
[mV]
219
262
202
168
159
143
124
114
100
94
85
80
75
71
72
70
68
50
50
544
413
318
289
219
262
202
168
159
143
124
114
100
94
85
80
75
71
72
70
68
50
50
Power Dissi-
pation 1.0 In
typ. [mW]
38
60
55
49
69
78
85
98
107
127
145
175
205
240
303
376
488
445
630
37
38
35
40
38
60
55
49
69
78
85
98
107
127
145
175
205
240
303
376
488
445
630
Melting I²t
10.0 In typ.
[A²s]
0.0692
0.133
0.258
0.361
0.528
0.898
2.24
4.05
6.85
7.93
17.5
28.6
40.9
55
67.2
142
287
422
564
0.0176
0.0313
0.0456
0.0567
0.0692
0.133
0.258
0.361
0.528
0.898
2.24
4.05
6.85
7.93
17.5
28.6
40.9
55
67.2
142
287
422
564
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
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l
l
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l
l
l
l
l
l
l
l
l
l
l
l
S
L
T Order Number
0.16
0.2
0.25
0.315
0.4
0.5
0.63
0.8
1
1.25
1.6
2
2.5
3.15
4
5
6.3
8
10
0.063
0.08
0.1
0.125
0.16
0.2
0.25
0.315
0.4
0.5
0.63
0.8
1
1.25
1.6
2
2.5
3.15
4
5
6.3
8
10
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
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1)
1)
1)
1)
1)
1)
l
l
l
l
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l
l
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l
l
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l
l
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l
l
l
0034.7207
0034.7208
0034.7209
0034.7210
0034.7211
0034.7212
0034.7213
0034.7214
0034.7215
0034.7216
0034.7217
0034.7218
0034.7219
0034.7220
0034.7221
0034.7222
0034.7223
0034.7224
0034.7225
l
0034.7303
l
0034.7304
l
0034.7305
l
0034.7306
l
0034.7307
l
0034.7308
l
0034.7309
l
0034.7310
l
0034.7311
l
0034.7312
l
0034.7313
l
0034.7314
l
0034.7315
l
0034.7316
l
0034.7317
l
0034.7318
l
0034.7319
l
0034.7320
l
0034.7321
l
0034.7322
l
0034.7323
l
0034.7324
l
0034.7325
Availability for all products can be searched real-time:https://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
1) 50 A @ 250 VAC
Packaging Unit
S=
L=
T=
Plastic Bag (100 pcs.)
Bulk (100 pcs.)
Taped 36 cm Reel (750 pcs.)
4
Fuses
The specifications, descriptions and illustrations indicated in this document are based on current
information. All content is subject to modifications and amendments. Information furnished is believed
to be accurate and reliable. However, users should independently evaluate the suitability and test each
product selected for their own applications.
18.04.2018