PFMU SCHURTER | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
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Technical content
www.schurter.com 11 Surface Mount PTC-Fuses Type PFMU 2,8 x 3,4 mm fast tripping Packaged per EIA 481-1 Agency recognition: UL, CSA, TÜV Typical Time to Trip at 23 ˚C Fault current (A) Time to trip (s) Dimensions Solder pad layouts
Applications
- PC motherboards
- PC modems
- USB
- General electronics: Phones, fax machines, televisions, printers, video equipment, PDA Test Procedures And Requirements For Model PFMU Series Test / Test Test Conditions / Bedingungen Accept/Reject Criteria Visual/Mech. / visuell/mech. Verify dimensions and materials / Kontrolle Abmess./Mat. Per MF physical description Resistance / Widerstand In still air @ 23 °C / bei ruhiger Luft 23 °C Rmin ≤ R ≤ Rmax Time to Trip / Trip-Zeit At specified current, Vmax 23 °C / Bei entspr. Strom T ≤ max. time to trip / Tr(sec.) Hold Current / Haltestrom 30 min. at Ihold / bei Haltestrom No trip Trip Cycle Life / Trip-Zyklen Vmax, Imax, 100 cycles / Zyklen No arcing or burning Trip Endurance / Zeit im Tripzustand Vmax, 48 hours / Stunden No arcing or burning Environmental Characteristics Operating/Storage Temperature / Einsatz/Lagertemp. -40 °C to +85 °C Maximum Device Surface Temperature in Tripped State / 125 °C Passive Aging / passive Alterung +85 °C, 1000 hours / Std. ± 5% typ. resist. change Thermal Shock / Thermischer Schock +85 °C/–40 °C 20 times / Zyklen ± 10% typ. resist. change Solvent Resistance / Lösungsmittel-Beständigkeit MIL-STD-202, Method 215 No change Vibration MIL-STD-883C, Method 2007.1, No change Condition A Typical Part Marking Layout may vary Manufacturer’s Trademark Part identification Date code week 1 of 2000 = 0A (year and week) week 27 of 2000 = A0 (week and year) 50 75 100 101 1 0 100 0.01 0.001 0.1 0.1 1 10 PFMU.050.2PFM U.01 0.2 1.1 ± 0.1 (.043 ± .004) 1.1 ± 0.1 (.043 ± .004) 1.1 ± 0.1 (.043 ± .004) 2.6 ± 0.1 (.102 ± .004) Min. AC B D 1.7 ± 0.1 (.067 ± .004) PFMU.035.2PFMU.020.2
www.schurter.com12 Type / Typ Imax Vmax Ihold Itrip Initial 1 Hour (R1) Post- Max. Time Tripped Power Resistance / Reflow Resistance / to trip at 23 °C/8A / Dissipation Amperes at 23 °C / Ohms at 23 °C Amperes / Seconds / Watts at 23 °C / AV Hold Trip R min. R1 max. at / bei 23 °C at / bei 23 °C Electrical Characteristics / Elektrische Daten Model / Modell AB C D Dimensions Soldering Profile How To Order PF MU .xxx .x PTC-Fuse Style MU = 1210 Surface Mount Component Hold Current, Ihold 005-110 (0.05 A - 1.10 A) Packaging Packaged per EIA 481-1 2 = Tape and reel / Note
- PFMU models can be wave soldered and reworked. Thermal Derating Chart-Ihold (Amps) Type / Typ Ambient Operating Temperature FUSES / SICHERUNGEN PFMU Resettable fuses Packaging: 3000 pcs. per reel / Maximum Package Body Temperature (220 °C) Melting Temperature of Solder (183 °C)
2 Minutes or More
Preheat Flux Activation Reflow Cool 10° to 20 C per Second Less than 120 °C per Second 300 250 200 150 100 0 30 60 100 150 200 250 Temperature (° C) Time (Second) (s) Dimensions in mm/inches