MSU 125
Telecom Fuses
www.schurter.com /PG01_3
Subminiature Fuse, 6.4 mm, Quick-Acting F, Telecom
UL 248-14 · 125 VAC · 125 VDC · Quick-Acting F
Description
Applications
Standards
References
- Directly solderable on printed circuit boards
Packaging Details
Corresponding Fuseholder FME; FMR; FMS (125V)
Last order date: 31.12.2016
We recommend for new applications the type MSF 125
MSF 125 is fully compatible to MSU 125
- IEC 60127-3/1
- UL 248-14
- CSA C22.2 no. 248.14
- Telcordia GR-1089
- UL 60950 / IEC 60950
- ITU-T K.20 and K.21
- TIA-968-A
Weblinks
Approvals
- Approval Reference Type: MSU 125
- UL File Number: E41599
- CSA File Number: 51172
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
- xDSL and ADSL linecards and modems
pdf datasheet, html-datasheet, General Product Information, Packaging
details, Approvals, CE declaration of conformity, RoHS, CHINA-RoHS,
REACH, Distributor-Stock-Check, Detailed request for product
125 VAC, 125 VDC
0.25 - 3.15 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, Approvals
Soldering Methods
Solderability
Resistance to Soldering Heat
Current Carrying Capacity
Life Test
Terminal Strength
Case Resistance
Mechanical Shock
Vibration, High Frequency
Resistance to Solvents
Flammability
Wave, Iron
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 108A
(1000h @ 0.42*In @ 70°C)
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)
MIL-STD-202, Method 213B
(Shock 50g, half sine wave, 11 ms)
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)
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in
General Product Information
Fuses
1
MSU 125
Telecom Fuses
www.schurter.com /PG01_3
Dimension
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
0.25 A - 3.15 A
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
[Kennlinien]
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]
2
Rated Voltage [VAC]
Rated Voltage [VDC]
Voltage Drop
1.0 In typ.
[mV]
Power Dissipation 1.0 In
typ. [mW]
Melting I²t
10.0 Intyp.
[A²s]
GR-1089CORE [A]
UL60950
ITU - Light- ITU ning Surge Power
[A] Induc-
ITU - Power
Contact [A]
S
L
T Order Number
0.25
125
125
620
100
0.0055
< 1.5
l
4.5
l
300.0 l
2030.0013
0.315
125
125
680
200
0.025
< 1.5
l
5.6
l
300.0 l
2030.0014
0.4
125
125
180
100
0.013
1.6
l
5.9
l
300.0 l
2030.0015
0.5
125
125
180
100
0.02
2.4
l
6.4
l
300.0 l
2030.0016
0.63
125
125
180
100
0.045
2.7
l
7.2
l
300.0 l
2030.0017
0.71
125
125
140
100
0.045
2.9
l
7.8
l
300.0 l
2030.0018
Fuses
MSU 125
Telecom Fuses
www.schurter.com /PG01_3
Rated Current [A]
Rated Voltage [VAC]
Rated Voltage [VDC]
Voltage Drop
1.0 In typ.
[mV]
Power Dissipation 1.0 In
typ. [mW]
Melting I²t
10.0 Intyp.
[A²s]
GR-1089CORE [A]
UL60950
ITU - Light- ITU ning Surge Power
[A] Induc-
ITU - Power
Contact [A]
S
L
T Order Number
0.75
125
125
170
100
0.02
3.0
l
8.5
l
300.0 l
2030.0019
0.8
125
125
150
100
0.04
5.0
l
11
l
300.0 l
2030.0020
1
125
125
150
100
0.07
6.0
l
16
l
300.0 l
2030.0021
1.25
125
125
150
200
0.12
9.3
l
21
l
300.0 l
2030.0022
1.6
125
125
150
200
0.29
> 14.0
l
35
l
300.0 l
2030.0023
2
125
125
130
200
0.43
> 14.0
l
38
l
300.0 l
2030.0024
2.5
125
125
120
300
0.6
> 14.0
l
57
l
300.0 l
2030.0025
3.15
125
125
120
400
1.11
> 14.0
l
65
l
300.0 l
0.25
125
125
620
100
0.0055
< 1.5
l
4.5
l
300.0
2030.0026
l
2030.0243
0.315
125
125
680
200
0.025
< 1.5
l
5.6
l
300.0
l
2030.0244
0.4
125
125
180
100
0.013
1.6
l
5.9
l
300.0
l
2030.0245
0.5
125
125
180
100
0.02
2.4
l
6.4
l
300.0
l
2030.0246
0.63
125
125
180
100
0.045
2.7
l
7.2
l
300.0
l
2030.0247
0.71
125
125
140
100
0.045
2.9
l
7.8
l
300.0
l
2030.0248
0.75
125
125
170
100
0.02
3.0
l
8.5
l
300.0
l
2030.0249
0.8
125
125
150
100
0.04
5.0
l
11
l
300.0
l
2030.0250
1
125
125
150
100
0.07
6.0
l
16
l
300.0
l
2030.0251
1.25
125
125
150
200
0.12
9.3
l
21
l
300.0
l
2030.0252
1.6
125
125
150
200
0.29
> 14.0
l
35
l
300.0
l
2030.0253
2
125
125
130
200
0.43
> 14.0
l
38
l
300.0
l
2030.0254
2.5
125
125
120
300
0.6
> 14.0
l
57
l
300.0
l
2030.0255
3.15
125
125
120
400
1.11
> 14.0
l
65
l
300.0
l
2030.0256
Availability for all products can be searched real-time:http://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
S =
L =
T =
Plastic Bag (100 pcs.)
Bulk (100 pcs.)
Taped 36 cm Reel (1000 pcs.)
09.05.2017
Packaging Unit
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.
Fuses
3
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