TRC250

POLYMER PTC RESETTABLE FUSE Product: Resettable Fuse Revision: F Date: 2015-12-16 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:TRC250 E A Unit:mm 1、Physical Dimensions Part Number TRC250 A B C D E Lead Max 21.3 Max 26.4 TYP 10.2 Min 7.6 Max 3.1 Φ 0.80 C 250 XX L ogo B C 250 D H o ld in g C u rre n t M a x .In te r ru p t v o lta g e XX L ot N o. C 2、Electrical Characteristics Part Number IH (A) IT (A) Vmax (V) I max (A) TRC250 2.50 5.00 60 40 Ttrip (Max time to trip) Current(A) 12.5 Time(S) 15.6 Pd typ （W） R min (Ω) R max (Ω) R1max (Ω) 2.50 0.05 0.08 0.15 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℃. R max: Maximum resistance of device prior to trip at 25℃. R1 max: Maximum resistance of device is measured one hours post reflow at 25℃. 3、Thermal Derating Part Number TRC250 Ambient Operating Temperature -40℃ -20℃ 0℃ 25℃ 40℃ 50℃ 60℃ 70℃ 85℃ 3.88 3.40 2.98 2.50 2.03 1.80 1.58 1.35 1.00 4、Wave Soldering Parameters Profile Feature Condition Average Ramp-Up Rate (Tsmax to TP) 4ºC/second max. Preheat -Temperature Min (Tsmin) -Temperature Max (Tsmax) -Time (Tsmin to Tsmax) 100ºC 125ºC 60-180 seconds Peak Temperature (TP) 265ºC Max Time at Peak Temperature (tP) 5 seconds Ramp-Down Rate 6 ºC /second max. Time 25ºC to Peak Temperature 5 minutes max. Storage Condition 0ºC ~35ºC, ≦70%RH, 2 Years 5、Package Information Packing quantity:200pcs/bag 6、Agency Recognition：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