MSF 125
Fuses
https://www.schurter.com /PG01_2
Subminiature Fuse, 6.4 mm, Quick-Acting F, 125 VAC, 125 VDC
See below:
UL 248-14 · 125 VAC · 125 VDC · Quick-Acting F
Approvals and Compliances
Description
References
- Directly solderable on printed circuit boards
Corresponding Fuseholder
Weblinks
pdf data sheet, html datasheet, General Product Information, DistributorStock-Check, Detailed request for product
Technical Data
Rated Voltage
Rated current
Breaking Capacity
Characteristic
Mounting
Admissible Ambient Temp.
Climatic Category
Material: Housing
Material: Terminals
Unit Weight
Storage Conditions
Product Marking
125 VAC, 125 VDC
0.1 - 5 A
100 A
Quick-Acting F
PCB,THT
-25 °C to 85 °C
25/085/21 acc. to IEC 60068-1
Thermoplastic, UL 94V-0
Tin-Plated Copper
0.34 g
0 °C to 40 °C, max. 70% r.h.
, Type, Rated current, Rated Voltage,
Characteristic, Certification marks
Soldering Methods
Solderability
Resistance to Soldering Heat
Case Resistance
Flammability
Operational Life
Vibration, High Frequency
Mechanical Shock
Resistance to Solvents
Terminal Strength
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 4.7
>100 MΩ (between leeds and body)
UL 94V-0
(acc. to EIA/IS-722, Test 4.12)
1000h @ 0.60 x In @ 70°C
(acc. to EIA/IS-722, Test 4.4.1)
MIL-STD-202, Method 204 Condition D
(acc. to EIA/IS-722, Test 4.9)
MIL-STD-202, Method 215
Tensile load min. 9 N
(acc. to EIA/IS-722, Test 4.5.1)
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 agreements 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: MSF 125
Approval Logo
Certificates
Certification Body
Description
UL Approvals
UL
UR File Number: E41599
Circuit Protection
1
MSF 125
Fuses
https://www.schurter.com /PG01_2
Product standards
Product standards that are referenced
Organization
Design
Standard
Description
Designed according to
UL 248-14
Low voltage fuses - Part 14: Supplemental fuses
Designed according to
CSA22.2 No. 248.14
Low-Voltage Fuses - Part 14: Supplemental Fuses
Design
Standard
Description
Suitable for applications acc.
IEC/UL 62368-1
Audio/video, information and communication technology equipment - Part
1: Safety requirements
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.
UKCA declaration of conformity
SCHURTER AG
The UKCA marking declares that the product complies with the applicable
requirements laid down in the British Amendment of Regulation (EC)
765/2008.
RoHS
SCHURTER AG
Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
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.
Application standards
Application standards where the product can be used
Organization
Compliances
The product complies with following Guide Lines
Identification
Dimension [mm]
6.4 mm
1
4.3
18.8
1
1
ø 0.62
+0.1
0
8.8
0.3
ø 6.4
8.8
0.3
ø 6.4
1.8
2.54
ø 0.62
2.54
1.8
2.54
Drilling diagram
Pre-Arcing Time
Rated Current In
0.1 A - 5 A
2
1.5 x In max.
2.0 x In max.
2.75 x In max.
4.0 x In max.
10.0 x In max.
10 min
5s
300 ms
30 ms
4 ms
Circuit Protection
MSF 125
Fuses
https://www.schurter.com /PG01_2
Time-Current-Curves
100000
10000
1000
Time in Seconds
100
10
1
0.1
0.01
0.001
10
1
Multiple of Rated Current In
All Variants
Rated Current [A]
Rated Voltage [VAC]
Rated Voltage [VDC]
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissipation 1.0 In
max. [mW]
Melting I²t
10.0 In typ.
[A²s]
S
L
T Order Number
0.1
125
125
1)
1000
690
100
0.0007
l
l
0034.4209
0.125
125
125
1)
1000
960
100
0.0015
l
l
0034.4210
0.16
125
125
1)
1000
850
100
0.0036
l
l
0034.4211
0.2
125
125
1)
700
680
100
0.0033
l
l
0034.4212
0.25
125
125
1)
700
620
100
0.0055
l
l
0034.4213
0.315
125
125
1)
700
680
200
0.025
l
l
0034.4214
0.4
125
125
1)
400
180
100
0.013
l
l
0034.4215
0.5
125
125
1)
400
180
100
0.02
l
l
0034.4216
0.63
125
125
1)
400
180
100
0.045
l
l
0034.4217
0.71
125
125
1)
400
140
100
0.045
l
l
0034.4218
0.75
125
125
1)
400
170
100
0.02
l
l
0034.4219
0.8
125
125
1)
400
150
100
0.04
l
l
0034.4220
1
125
125
1)
400
150
100
0.07
l
l
0034.4221
1.25
125
125
1)
190
150
200
0.12
l
l
0034.4222
1.6
125
125
1)
190
150
200
0.29
l
l
0034.4223
2
125
125
1)
190
130
200
0.43
l
l
0034.4224
2.5
125
125
1)
190
120
300
0.6
l
l
0034.4225
3.15
125
125
1)
190
120
400
1.1
l
l
0034.4226
4
125
125
1)
190
120
500
1.9
l
l
0034.4227
5
125
125
1)
190
120
600
3
l
l
0034.4228
0.1
125
125
1)
1000
690
100
0.0007
l
l
0034.4239
0.125
125
125
1)
1000
960
100
0.0015
l
l
0034.4240
0.16
125
125
1)
1000
850
100
0.0036
l
l
0034.4241
0.2
125
125
1)
700
680
100
0.0033
l
l
0034.4242
0.25
125
125
1)
700
620
100
0.0055
l
l
0034.4243
0.315
125
125
1)
700
680
200
0.025
l
l
0034.4244
0.4
125
125
1)
400
180
100
0.013
l
l
0034.4245
Circuit Protection
█
█
█
3
MSF 125
Rated Current [A]
Fuses
https://www.schurter.com /PG01_2
Rated Voltage [VAC]
Rated Voltage [VDC]
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissipation 1.0 In
max. [mW]
Melting I²t
10.0 In typ.
[A²s]
S
L
T Order Number
0.5
125
125
1)
400
180
100
0.02
l
l
0034.4246
0.63
125
125
1)
400
180
100
0.045
l
l
0034.4247
0.71
125
125
1)
400
140
100
0.045
l
l
0034.4248
0.75
125
125
1)
400
170
100
0.02
l
l
0034.4249
0.8
125
125
1)
400
150
100
0.04
l
l
0034.4250
1
125
125
1)
400
150
100
0.07
l
l
0034.4251
1.25
125
125
1)
190
150
200
0.12
l
l
0034.4252
1.6
125
125
1)
190
150
200
0.29
l
l
0034.4253
2
125
125
1)
190
130
200
0.43
l
l
0034.4254
2.5
125
125
1)
190
120
300
0.6
l
l
0034.4255
3.15
125
125
1)
190
120
400
1.1
l
l
0034.4256
4
125
125
1)
190
120
500
1.9
l
l
0034.4257
5
125
125
1)
190
120
600
3
l
l
0034.4258
0.1
125
125
1)
1000
690
100
0.0007
l
l 0034.4539
0.125
125
125
1)
1000
960
100
0.0015
l
l 0034.4540
0.16
125
125
1)
1000
850
100
0.0036
l
l 0034.4541
0.2
125
125
1)
700
680
100
0.0033
l
l 0034.4542
0.25
125
125
1)
700
620
100
0.0055
l
l 0034.4543
0.315
125
125
1)
700
680
200
0.025
l
l 0034.4544
0.4
125
125
1)
400
180
100
0.013
l
l 0034.4545
0.5
125
125
1)
400
180
100
0.02
l
l 0034.4546
0.63
125
125
1)
400
180
100
0.045
l
l 0034.4547
0.71
125
125
1)
400
140
100
0.045
l
l 0034.4548
0.75
125
125
1)
400
170
100
0.02
l
l 0034.4549
0.8
125
125
1)
400
150
100
0.04
l
l 0034.4550
1
125
125
1)
400
150
100
0.07
l
l 0034.4551
1.25
125
125
1)
190
150
200
0.12
l
l 0034.4552
1.6
125
125
1)
190
150
200
0.29
l
l 0034.4553
2
125
125
1)
190
130
200
0.43
l
l 0034.4554
l 0034.4555
2.5
125
125
1)
190
120
300
0.6
l
3.15
125
125
1)
190
120
400
1.1
l
l 0034.4556
4
125
125
1)
190
120
500
1.9
l
l 0034.4557
5
125
125
1)
190
120
600
3
l
l 0034.4558
█ Most Popular.
Availability for all products can be searched real-time: https://www.schurter.com/en/info-center/support-tools/stock-check-distributors
1) 100 A @ 125 VAC, cos φ = 0.99 - 1; 100 A @ 125 VDC tau < 1 ms
Packaging Unit
S = 4.3 mm
L = 18.8 mm
T = 18.8 mm
100 pcs in ESD-plastic bag
100 St. (Bulk)
1000 pcs. in tape [P = P0: 12.7; P1: 5.08; H1: 25.8] on reel [A: 360; W3: 40; W4: 52; C:
30.5]
26.03.2024
acc. IEC 60286-2
4
Circuit Protection
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.
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