Datasheet

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Fuses

MST 250

https://www.schurter.com /PG01_2

Fuses

Subminiature Fuse, 8.5 mm, Time-Lag T, 250 VAC, 63 VDC

See below:

Approvals and Compliances

IEC 60127-3 · 250 VAC · 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 250 VAC, 63 VDC

Rated current 0.05 - 6.3 A

Breaking Capacity 35 A - 63 A

Characteristic Time-Lag T

Mounting PCB,THT

Admissible Ambient Air Temp. -55 °C to 125 °C

Climatic Category 55/125/21 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, Approvals

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

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)

Terminal Strength Tensile load min. 9 N

(acc. to EIA/IS-722, Test 4.5.1)

Case Resistance acc. to EIA/IS-722, Test 4.7

>100 MΩ (between leeds and body)

Mechanical Shock MIL-STD-202, Method 213B

(Shock 50g, half sine wave, 11 ms)

Vibration, High Frequency Shock 20 gn, 20 min, 10-2 kHz, 12 cyc.

(acc. to EIA/IS-722, Test 4.10)

Resistance to Solvents MIL-STD-202, Method 215A

Flammability 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

Summary of content (5 pages)

PAGE 1
MST 250 Fuses https://www.schurter.com /PG01_2 Subminiature Fuse, 8.5 mm, Time-Lag T, 250 VAC, 63 VDC IEC 60127-3 · 250 VAC · Time-Lag T Description - Directly solderable on printed circuit boards - Low Breaking Capacity See below: Approvals and Compliances Applications - Primary Protection on PCB - Power Supply Adapter for e.g.
PAGE 2
MST 250 Fuses 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.
PAGE 3
MST 250 Fuses https://www.schurter.com /PG01_2 Pre-Arcing Time Rated Current In 0.05 A - 6.3 A 1.5 x In min. 2.1 x In max. 60 min 120 s 2.75 x In min. 2.75 x In max. 400 ms 10 s 4.0 x In min. 4.0 x In max. 150 ms 3s 10.0 x In min. 10.0 x In max. 20 ms 150 ms 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] 0.05 250 0.05 250 Breaking Capacity Voltage Drop 1.
PAGE 4
MST 250 Rated Current [A] Rated Voltage [VAC] 0.25 250 0.25 250 Fuses https://www.schurter.com /PG01_2 Breaking Capacity Voltage Drop 1.0 In max. [mV] Voltage Drop 1.0 In typ. [mV] Power Dissipation 1.5 In max. [mW] Melting I²t 10.0 Intyp. [A²s] S 1) 240 120 220 0.6 l l l l 1) 240 120 220 0.6 l l l l 0.25 250 1) 240 120 220 0.6 l l l l 0.315 250 1) 220 120 250 0.8 l l l l 0.315 250 1) 220 120 250 0.8 l l l l 0.315 250 1) 220 120 250 0.
PAGE 5
MST 250 Fuses https://www.schurter.com /PG01_2 Rated Current [A] Rated Voltage [VAC] Breaking Capacity Voltage Drop 1.0 In max. [mV] Voltage Drop 1.0 In typ. [mV] Power Dissipation 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 26.02.