1
Fuses MSTU 250
https://www.schurter.com /PG01_2
Circuit Protection
Subminiature Fuse, 8.5 mm, Time-Lag T, 250 VAC, cULus
Subminiature fuse 8.5 mm, time-lag T,
250 VAC
Short terminal
PCB Mounting
Subminiature fuse 8.5 mm, time-lag T,
250 VAC
Terminal long
PCB Mounting
See below:
Approvals and Compliances
UL 248-14 · 250 VAC · Time-Lag T
Description
- Directly solderable on printed circuit boards
- Low Breaking Capacity
References
Packaging Details
Corresponding Fuseholder
Weblinks
pdf data sheet, html datasheet, General Product Information, Packaging
details, Distributor-Stock-Check, Detailed request for product
Technical Data
Rated Voltage 250 VAC
Rated current 0.063 - 10 A
Breaking Capacity 50 A
Characteristic Time-Lag T
Mounting PCB,THT
Admissible Ambient Air Temp. -40 °C to 85 °C
Climatic Category 40/085/21 acc. to IEC 60068-1
Material: Housing Thermoplastic, UL 94V-0
Material: Terminals Tin-Plated Copper
Unit Weight 0.53 g
Storage Conditions 0 °C to 40 °C, max. 70% r.h.
Product Marking , Type, Rated current, Rated Voltage,
Characteristic, Certification marks
Soldering Methods Wave
Soldering Profile
Solderability 235 °C / 2 sec acc. to IEC 60068-2-20,
Test Ta
Resistance to Soldering Heat 260 °C / 10 sec acc. to IEC 60068-2-20,
Test Tb
Case Resistance acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
Flammability UL 94V-0
(acc. to EIA/IS-722, Test 4.12)
Current Carrying Capacity acc. to EIA/IS-722, Test 4.3.3
Moisture Resistance Test MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
Vibration, High Frequency MIL-STD-202, Method 204 Condition D
Mechanical Shock (acc. to EIA/IS-722, Test 4.9)
Resistance to Solvents MIL-STD-202, Method 215
Terminal Strength MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
Approvals and Compliances
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in Details about
Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national
and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF
16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agree-
ments by SCHURTER.
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 Certification Body Description
UL Approvals UL UL File Number: E41599
2
Fuses
MSTU 250 https://www.schurter.com /PG01_2
Circuit Protection
Product standards
Product standards that are referenced
Organization Design Standard Description
Designed according to UL 248-14 Low voltage fuses - Part 14: Additional fuses
Designed according to CSA22.2 No. 248.14 Low-Voltage Fuses - Part 14: Supplemental Fuses
Application standards
Application standards where the product can be used
Organization Design Standard Description
Designed for applications acc. IEC/UL 60950 IEC 60950-1 includes the basic requirements for the safety of information
technology equipment.
Compliances
The product complies with following Guide Lines
Identification Details Initiator Description
CE declaration of conformity SCHURTER AG 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.
RoHS SCHURTER AG Directive RoHS 2011/65/EU, Amendment (EU) 2015/836
China RoHS SCHURTER AG The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March
2007. It is similar to the EU directive RoHS.
REACH SCHURTER AG 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.
Dimension [mm] 8.5 mm
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
Drilling diagram
Pre-Arcing Time
Rated Current In 1.0 x In min. 2.0 x In max.
0.063 A - 10 A 4 h 120 s
3
Fuses MSTU 250
https://www.schurter.com /PG01_2
Circuit Protection
Time-Current-Curves
Time in Seconds
0.001
0.01
0.1
1
10
100
1000
10000
100000
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]
Power Dissi-
pation 1.0 In
typ. [mW]
Melting I²t
10.0 In typ.
[A²s]
S L T Order Number
0.063 250 1) 544 37 0.0176 l l 0034.7103
0.08 250 1) 413 38 0.0313 l l 0034.7104
0.1 250 1) 318 35 0.0456 l l 0034.7105
0.125 250 1) 289 40 0.0567 l l 0034.7106
0.16 250 1) 219 38 0.0692 l l 0034.7107
0.2 250 1) 262 60 0.133 l l 0034.7108
0.25 250 1) 202 55 0.258 l l 0034.7109
0.315 250 1) 168 49 0.361 l l 0034.7110
0.4 250 1) 159 69 0.528 l l 0034.7111
0.5 250 1) 143 78 0.898 l l 0034.7112
0.63 250 1) 124 85 2.24 l l 0034.7113
0.8 250 1) 114 98 4.05 l l 0034.7114
1 250 1) 100 107 6.85 l l 0034.7115
1.25 250 1) 94 127 7.93 l l 0034.7116
1.6 250 1) 85 145 17.5 l l 0034.7117
2 250 1) 80 175 28.6 l l 0034.7118
2.5 250 1) 75 205 40.9 l l 0034.7119
3.15 250 1) 71 240 55 l l 0034.7120
4 250 1) 72 303 67.2 l l 0034.7121
5 250 1) 70 376 142 l l 0034.7122
6.3 250 1) 68 488 287 l l 0034.7123
8 250 1) 50 445 422 l l 0034.7124
10 250 1) 50 630 564 l l 0034.7125
0.063 250 1) 544 37 0.0176 l l 0034.7203
0.08 250 1) 413 38 0.0313 l l 0034.7204
0.1 250 1) 318 35 0.0456 l l 0034.7205
0.125 250 1) 289 40 0.0567 l l 0034.7206
4
Fuses
MSTU 250 https://www.schurter.com /PG01_2
Circuit Protection
Rated Cur-
rent [A]
Rated Vol-
tage [VAC]
Breaking
Capacity
Voltage Drop
1.0 In typ.
[mV]
Power Dissi-
pation 1.0 In
typ. [mW]
Melting I²t
10.0 In typ.
[A²s]
S L T Order Number
0.16 250 1) 219 38 0.0692 l l 0034.7207
0.2 250 1) 262 60 0.133 l l 0034.7208
0.25 250 1) 202 55 0.258 l l 0034.7209
0.315 250 1) 168 49 0.361 l l 0034.7210
0.4 250 1) 159 69 0.528 l l 0034.7211
0.5 250 1) 143 78 0.898 l l 0034.7212
0.63 250 1) 124 85 2.24 l l 0034.7213
0.8 250 1) 114 98 4.05 l l 0034.7214
1 250 1) 100 107 6.85 l l 0034.7215
1.25 250 1) 94 127 7.93 l l 0034.7216
1.6 250 1) 85 145 17.5 l l 0034.7217
2 250 1) 80 175 28.6 l l 0034.7218
2.5 250 1) 75 205 40.9 l l 0034.7219
3.15 250 1) 71 240 55 l l 0034.7220
4 250 1) 72 303 67.2 l l 0034.7221
5 250 1) 70 376 142 l l 0034.7222
6.3 250 1) 68 488 287 l l 0034.7223
8 250 1) 50 445 422 l l 0034.7224
10 250 1) 50 630 564 l l 0034.7225
0.063 250 1) 544 37 0.0176 l l0034.7303
0.08 250 1) 413 38 0.0313 l l0034.7304
0.1 250 1) 318 35 0.0456 l l0034.7305
0.125 250 1) 289 40 0.0567 l l0034.7306
0.16 250 1) 219 38 0.0692 l l0034.7307
0.2 250 1) 262 60 0.133 l l0034.7308
0.25 250 1) 202 55 0.258 l l0034.7309
0.315 250 1) 168 49 0.361 l l0034.7310
0.4 250 1) 159 69 0.528 l l0034.7311
0.5 250 1) 143 78 0.898 l l0034.7312
0.63 250 1) 124 85 2.24 l l0034.7313
0.8 250 1) 114 98 4.05 l l0034.7314
1 250 1) 100 107 6.85 l l0034.7315
1.25 250 1) 94 127 7.93 l l0034.7316
1.6 250 1) 85 145 17.5 l l0034.7317
2 250 1) 80 175 28.6 l l0034.7318
2.5 250 1) 75 205 40.9 l l0034.7319
3.15 250 1) 71 240 55 l l0034.7320
4 250 1) 72 303 67.2 l l0034.7321
5 250 1) 70 376 142 l l0034.7322
6.3 250 1) 68 488 287 l l0034.7323
8 250 1) 50 445 422 l l0034.7324
10 250 1) 50 630 564 l l0034.7325
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 = Plastic Bag (100 pcs.)
L = Bulk (100 pcs.)
T = Taped 36 cm Reel (750 pcs.)
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.
13.06.2019
