34.6615 [SCHURTER]
Electric Fuse;Fuses
MST 250
https://www.schurter.com /PG01_2
Subminiature Fuse, 8.5 mm, Time-Lag T, 250 VAC, 63 VDC
See below:
Approvals and Compliances
IEC 60127-3 · 250VAC · Time-Lag T
Description
- Directly solderable on printed circuit boards
- Low Breaking Capacity
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)
Fuse Kit Fuse Kit MST250 / MSF 250
Weblinks
pdf datasheet, html-datasheet, General Product Information, Packaging
details, Distributor-Stock-Check, Detailed request for product
Technical Data
Rated Voltage
Rated current
Breaking Capacity
Characteristic
Mounting
250VAC, 63 VDC
0.05 - 6.3A
35A - 63A
Time-Lag T
PCB,THT
Soldering Methods
Solderability
Wave
Soldering Profile
235°C / 2sec acc. to IEC 60068-2-20,
Test Ta
Resistance to Soldering Heat 260°C / 10sec acc. to IEC 60068-2-20,
Test Tb
Current Carrying Capacity
Moisture Resistance Test
Admissible Ambient Air Temp. -55°C to 125°C
acc. to EIA/IS-722, Test 4.3.3
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
Tensile load min. 9 N
Climatic Category
Material: Housing
Material: Terminals
Unit Weight
55/125/21 acc. to IEC 60068-1
Thermoplastic, UL 94V-0
Tin-Plated Copper
Terminal Strength
0.53 g
(acc. to EIA/IS-722, Test 4.5.1)
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)
Shock 20 gn, 20 min, 10-2 kHz, 12 cyc.
(acc. to EIA/IS-722, Test 4.10)
MIL-STD-202, Method 215A
UL 94V-0
Storage Conditions
Product Marking
0°C to 40°C, max. 70% r.h.
, Type, Rated current, Rated Voltage,
Characteristic, Approvals
Case Resistance
Mechanical Shock
Vibration, High Frequency
Resistance to Solvents
Flammability
(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
1
Fuses
Fuses
MST 250
https://www.schurter.com /PG01_2
Approvals
The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.
Approval Reference Type: MST 250
Approval Logo
Certificates
Certification Body
Description
VDE Approvals
VDE
VDE Certificate Number: 40013529
VDE Approvals
UL Approvals
VDE
UL
VDE Certificate Number: 40002080
UL File Number: E41599
CQC Approvals
KTL Approvals
METI Approvals
CQC
KTL
METI
CCC Certificate Number: 2003010207100544
Korea Testing Laboratory
Japan Electrical Safety and Environment technology Laboratories
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
technologyequipment.
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
SCHURTER AG
SCHURTER AG
EU Directive RoHS 2011/65/EU
China RoHS
REACH
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.
Dimension [mm]
8.5 mm
ø 8.5
ø 8.5
1+0.1
0
3.2
5.08
ø 0.64
5.08
3.2
ø 0.64
5.08
Drilling diagram
2
Fuses
Fuses
MST 250
https://www.schurter.com /PG01_2
Pre-Arcing Time
Rated Current In
1.5 x In min.
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.
0.05 A - 6.3 A
60 min
120 s
400 ms
10 s
150 ms
3 s
20 ms
150 ms
Time-Current-Curves
100000
10000
1000
100
10
1
0.1
0.01
0.001
10
1
Multiple of Rated Current In
All Variants
Rated Cur- Rated Vol- Breaking
rent [A] tage [VAC] Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissi-
pation 1.5 In
max. [mW]
Melting I²t
10.0 Intyp.
[A²s]
S
L
T
Order Number
█
█
█
█
█
█
█
0.05
0.05
0.05
0.063
0.063
0.063
0.08
0.08
0.08
0.1
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)
550
550
550
480
480
480
400
400
400
350
350
350
300
300
300
280
280
280
260
260
260
415
415
415
420
420
420
360
360
360
320
320
320
270
270
270
190
190
190
150
150
150
155
155
155
160
160
160
165
165
165
170
170
170
180
180
180
190
190
190
200
200
200
0.03
0.03
0.03
0.05
0.05
0.05
0.06
0.06
0.06
0.08
0.08
0.08
0.12
0.12
0.12
0.24
0.24
0.24
0.35
0.35
0.35
l
l
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l
l
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l
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l
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0034.6602
0034.6702
0034.6802
0034.6603
0034.6703
0034.6803
0034.6604
0034.6704
0034.6804
0034.6605
0034.6705
0034.6805
0034.6606
0034.6706
0034.6806
0034.6607
0034.6707
0034.6807
0034.6608
0034.6708
0034.6808
l
l
l
l
l
l
l
l
l
l
l
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l
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l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
0.1
0.1
0.125
0.125
0.125
0.16
0.16
0.16
0.2
0.2
0.2
3
Fuses
Fuses
MST 250
https://www.schurter.com /PG01_2
Rated Cur- Rated Vol- Breaking
rent [A] tage [VAC] Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissi-
pation 1.5 In
max. [mW]
Melting I²t
10.0 Intyp.
[A²s]
S
L
T
Order Number
█
█
█
0.25
0.25
0.25
0.315
0.315
0.315
0.4
0.4
0.4
0.5
0.5
0.5
0.63
0.63
0.63
0.8
0.8
0.8
1
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
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)
1)
1)
2)
2)
2)
3)
3)
3)
3)
3)
3)
240
240
240
220
220
220
200
200
200
190
190
190
180
180
180
160
160
160
140
140
140
130
130
130
120
120
120
100
100
100
100
100
100
100
100
100
100
100
100
-
120
120
120
120
120
120
110
110
110
100
100
100
90
220
220
220
250
250
250
280
280
280
310
310
310
360
360
360
430
430
430
500
500
500
600
600
600
730
730
730
870
870
870
1000
1000
1000
1200
1200
1200
1400
1400
1400
-
0.6
0.6
0.6
0.8
0.8
0.8
1.1
1.1
1.1
2.5
2.5
2.5
4
l
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0034.6609
0034.6709
0034.6809
0034.6610
0034.6710
0034.6810
0034.6611
0034.6711
0034.6811
0034.6612
0034.6712
0034.6812
0034.6613
0034.6713
0034.6813
0034.6614
0034.6714
0034.6814
0034.6615
0034.6715
0034.6815
0034.6616
0034.6716
0034.6816
0034.6617
0034.6717
0034.6817
0034.6618
0034.6718
0034.6818
0034.6619
0034.6719
0034.6819
0034.6620
0034.6720
0034.6820
0034.6621
0034.6721
0034.6821
0034.6622
0034.6722
0034.6822
0034.6623
0034.6723
0034.6823
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█
█
█
█
90
4
█
█
90
4
80
8
80
8
80
8
█
70
12
12
12
15
15
15
30
30
30
34
34
34
55
55
55
76
76
76
80
80
80
230
230
230
360
360
360
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1
70
█
█
1
70
1.25
1.25
1.25
1.6
1.6
1.6
2
70
70
70
█
█
60
60
60
60
2
60
█
█
2
60
2.5
2.5
2.5
3.15
3.15
3.15
4
50
50
50
█
█
█
█
50
50
50
50
4
50
4
50
5
50
l
l
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5
-
50
-
5
-
50
-
6.3
6.3
6.3
-
45
-
-
45
-
-
45
-
█ Most Popular.
Availability for all products can be searched real-time:https://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
1) IEC: 35 A @ 250 VAC
1) UL: 35 A @ 250 VAC / 50 A @ 63 VDC
2) IEC: 10 In @ 250 VAC
2) UL: 10 In @ 250 VAC / 50 A @ 63 VDC
4
Fuses
Fuses
MST 250
https://www.schurter.com /PG01_2
Rated Cur- Rated Vol- Breaking
rent [A] tage [VAC] Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissi-
pation 1.5 In
max. [mW]
Melting I²t
10.0 Intyp.
[A²s]
S
L
T
Order Number
3) IEC: 10 In @ 250 VAC
3) UL: 10 In @ 250 VAC / 10 In @ 63 VDC
S =
L =
T =
Plastic Bag (100 pcs.) short 4.3 mm
Bulk (100 pcs.) long 18.8 mm
Taped 36 cm Reel (750 pcs.) long 18.8 mm
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.
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