Datasheet

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Non resettable fuses

MST 250

www.schurter.com/PG01_2

Fuses

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

Standards

- IEC 60127-3/4

- UL 248-14

- CSA C22.2 no. 248.14

Approvals

- VDE Certificate Number: 40002080

- UL File Number: E41599

- CSA File Number: 51172

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 Microfus

Weblinks

pdf-datasheet, html-datasheet, General Product Information,

Approvals, CE declaration of conformity, RoHS, CHINA-RoHS, e-Shop,

SCHURTER-Stock-Check, 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, Current, Dielectric strength,

Characteristic, Approvals

Soldering Methods Wave, Iron

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 M

Ω (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)

Dimensions

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

+0.1

5.08

Drilling diagram

Summary of content (4 pages)

PAGE 1
MST 250 Non resettable fuses 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 Applications - Directly solderable on printed circuit boards - Low Breaking Capacity - Primary Protection on PCB - Power Supply Adapter for e.g. laptops - SMPS (Switching Mode Power Supply) for TV's and DVD's Standards References - IEC 60127-3/4 - UL 248-14 - CSA C22.2 no. 248.
PAGE 2
MST 250 Non resettable fuses 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 Variants S = Short Terminals L = Long Terminals T = Taped and Reeled . 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.
PAGE 3
MST 250 Non resettable fuses www.schurter.com/PG01_2 Rated Current [A] Rated Voltage [VAC] 0.08 250 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) 400 360 165 0.06 l l l l l L T Order Number l l 0034.6804 l l 0034.6805 0.1 250 1) 350 320 170 0.08 l 0.125 250 1) 300 270 180 0.12 l l l l l 0034.6806 0.16 250 1) 280 190 190 0.24 l l l l l 0034.
PAGE 4
MST 250 Non resettable fuses www.schurter.com/PG01_2 Time-Current-Curves 100000 10000 1000 Time in Seconds 100 10 1 0.1 0.01 0.001 1 10 24.08.2013 Multiple of Rated Current In The specifications, descriptions and illustrations indicated in this document are based on Fuses current information. All content is subject to modifications and amendments.