TLC-MSMD250/14

POLYMER PTC RESETTABLE FUSE Product: Resettable Fuse Revision: A Date: 2019-2-27 Page No.: 1 OF 1 电路保护元器件专业制造商 Web: http://www.tlcet.com.cn Part Number:TLC-MSMD250/14 1、Physical Dimensions(size of 1812) Unit:mm A Part Number TLC-MSMD250/14 B C D Min Max Min Max Min Max Min 4.37 4.73 3.07 3.41 0.90 1.30 0.30 Top and Bottom View Marking Marking T250 IH (A) IT (A) Vmax (V) I max (A) Ttrip (Max time to trip) Current(A) Time(S) TLC-MSMD250/14 2.50 5.00 14 100 8.0 5.00 IH: Holding Current: maximum current at which the device will not trip in 25℃ still air. IT: Tripping Current minimum current at which the device will trip in 25℃ still air. Vmax: Maximum voltage device can withstand without damage at rated current. I max: Maximum fault current device can withstand without damage at rated voltage. T trip: Maximum time to trip(s) at assigned current. Pd typ: Rated working power. R min: Minimum resistance of device prior to trip at 25℃. R1 max: Maximum resistance of device is measured one hours post reflow at 25℃. Noted: All electrical function test is conducted after PCB mounted. C B D 2、Electrical Characteristics Part Number Side View A Pd typ （W） R min (Ω) R1max (Ω) 1.2 0.015 0.100 3、Thermal Derating TLC-MSMD250/14 Hold Current(A) Trip Current(A) Maximum ambient operating temperature -40℃ -20℃ 0℃ 25℃ 40℃ 50℃ 60℃ 70℃ 85℃ 3.85 7.70 3.45 6.90 3.00 6.00 2.50 5.00 2.05 4.10 1.85 3.70 1.75 3.50 1.30 2.60 1.10 2.20 4、Solder Reflow Recommendations 20-40s 260℃ Critlcal Zone Temperature 217℃ Recommended Pad Layout(mm) 1.5±0.05 Ramp-up 1.5±0.05 60-150s 200℃ 25℃ 60-180s 8 minutes max Average Ramp-Up Rate:3 ℃ /second max 3.2±0.1 Ramp-down Preheat 150℃ 2.7±0.1 Time Ramp-Down Rate:6 ℃ /second max Notes:If reflow temperatures exceed the recommended profile,devices may not meet the performance requirements. 5、Package Information Packing quantity:1500PCS/Reel Note:Reel packaging per EIA-481-1 standard 6、Agency Recognition：UL、TUV Caution:Operation beyond the rated voltage or current may result in rupture electrical arcing or flame.Specifications are subject to change without notice. TEL: 86-0769-3892 0554 FAX: 86-0769-8793 2077 E-mail:sales@tlcet.com.cn Address:No.18,5th GaoLi Road,TangXia Town,DongGuan,GuangDong,P.R China 523710