Non resettable fuses
OMF 250
www.schurter.com/pg0_2
Surface Mount Fuse, 11 x 4.6 mm, Quick-Acting F, 250 VAC, 250 DC
IEC 60127-4 · 250 VAC · 250 VDC · Quick-Acting F
Description Standards
- Directly solderable on printed circuit boards - IEC 60127-4/2 - UL 248-14 - CSA C22.2 no. 248.14
Applications References
- Primary Protection on SMD PCB - Industrial electronic General Product Information Packaging Details Fuse Kit Fuse Kit OMF
Approvals
- VDE License Number: 106328 - UL File Number: E41599
Weblinks
Approvals, RoHS, CHINA-RoHS, e-Store, Distributor-Stock-Check, Accessories, Product Change Notification (PCN)
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 250 VAC, 250 VDC 0.25 - 4 A 100 A Quick-Acting F PCB,SMT -55 °C to 125 °C 55/125/21 acc. to IEC 60068-1 Thermoplastic, UL 94V-0 Tin-Plated Copper Alloy 0.36 g 0 °C to 60 °C, max. 70% r.h. , Type, Current, Characteristic, Breaking Capacity, Approvals Soldering Methods Solderability Resistance to Soldering Heat Load Humidity Test Moisture Resistance Test Terminal Strength Thermal Shock Reflow, Wave 245 °C / 3 sec acc. to IEC 60068-2-58, Test Td 260 °C / 10 sec acc. to IEC 60068-2-58, Test Td MIL-STD-202, Method 103B (1000h @ 0.1*In @ 0.85 r.H. @ 85°C) MIL-STD-202, Method 106E (50 cycles in a temp./mister chamber) MIL-STD-202, Method 211A (Deflection of board 1 mm for 1 minute) MIL-STD-202, Method 107D (200 air-to-air cycles from -55 to +125°C) acc. to EIA/IS-722, Test 4.7 >100 MΩ (between leeds and body) MIL-STD-202, Method 213B (Shock 50gn, 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 min. UL 94V-1 (acc. to EIA/IS-722, Test 4.12)
Case Resistance Mechanical Shock Vibration, High Frequency
Resistance to Solvents Flammability
Fuses
OMF 250
www.schurter.com/pg0_2 Dimensions
11 mm
Non resettable fuses
11 1.75 7.5
1.1
3.6
5.5 2.2 3.2
0 - 0.05 ±0.1
6
3.9
0.15
Soldering pads
Pre-Arcing Time
Rated Current In 0.25 A - 4 A .25 x In min. 60 min 2.0 x In max. 120 s 0.0 x In min. 1 ms 0.0 x In max. 10 ms
Variants
Rated Current [A] Rated Voltage [VAC] Rated Voltage [VDC] Breaking Capacity Voltage Drop .0 In max. [mV] 700 600 500 400 300 300 300 300 300 300 300 Voltage Drop .0 In typ. [mV] 1100 1000 230 190 170 200 170 150 150 140 130 130 100 Power Dissipation .25 In typ. [mW] 480 430 190 190 230 330 390 390 490 600 670 870 950 Melting I²t 0.0 Intyp. [A²s] 0.012 0.019 0.02 0.03 0.07 0.12 0.23 0.47 0.84 1.4 2.6 4.8 8.6 l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l Order Number
0.25 0.315 0.4 0.5 0.63 0.8 1 1.25 1.6 2 2.5 3.15 4
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)
4.4
3403.0010.xx 3403.0011.xx 3403.0012.xx 3403.0013.xx 3403.0014.xx 3403.0015.xx 3403.0016.xx 3403.0017.xx 3403.0018.xx 3403.0019.xx 3403.0020.xx 3403.0021.xx 3403.0022.xx
4.6
1) 100 A @ 250 VAC/DC
Packaging Unit
.xx = .11 Plastic Bag (100 pcs.) .xx = .24 Blister Tape 33 cm Reel (2000 pcs.)
2
Fuses
Non resettable fuses
OMF 250
www.schurter.com/pg0_2
Time-Current-Curves
100000
10000
1000
100
Time in Seconds
10
1
0.1
0.01
0.001 1
10
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.
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