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RLD72P375XF Dataheets PDF



Part Number RLD72P375XF
Manufacturers Polytronics
Logo Polytronics
Description PTC Devices
Datasheet RLD72P375XF DatasheetRLD72P375XF Datasheet (PDF)

RLD 72XF Series PTC Devices RLD 72XF Series PTC Devices Description The 72XF series provides radial resettable overcurrent protection with holding current from 0.2A to 3.75A. This series is suitable for applications with higher holding currant and higher working voltage up to 72V. Features y RoHS2.0 compliant and lead-free y Halogen-free y High voltage y Low profile y Fast response to fault current y Compatible with high temperature solders Applications y Power over Ethernet (POE) y Power sup.

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RLD 72XF Series PTC Devices RLD 72XF Series PTC Devices Description The 72XF series provides radial resettable overcurrent protection with holding current from 0.2A to 3.75A. This series is suitable for applications with higher holding currant and higher working voltage up to 72V. Features y RoHS2.0 compliant and lead-free y Halogen-free y High voltage y Low profile y Fast response to fault current y Compatible with high temperature solders Applications y Power over Ethernet (POE) y Power supplies y Motor protection y IEEE 1394 port protection y Automotive applications y Industrial control y Security systems Agency Approval and Environmental Compliance Agency File Number E201431 Regulation Standard 2011/65/EU IEC 61249-2-21:2003     R50103284   Electrical Characteristics Ihold (A) 0.20 0.25 0.30 0.40 0.50 0.65 0.75 0.90 1.10 1.35 1.60 1.85 Part Number RLD72P020XF RLD72P025XF RLD72P030XF RLD72P040XF RLD72P050XF RLD72P065XF RLD72P075XF RLD72P090XF RLD72P110XF RLD72P135XF RLD72P160XF RLD72P185XF Itrip (A) 0.40 0.50 0.60 0.80 1.00 1.30 1.50 1.80 2.20 2.70 3.20 3.70 Vmax (Vdc) 72 72 72 72 72 72 72 72 72 72 72 72 Imax (A) 40 40 40 40 40 40 40 40 40 40 40 40 Pd typ (W) 0.41 0.45 0.49 0.56 0.77 0.88 0.92 0.99 1.50 1.70 1.90 2.10 Maximum Time To Trip Current Time (A) (Sec.) 1.00 1.25 1.50 2.00 2.50 3.25 3.75 4.50 5.50 6.75 8.00 9.25 2.2 2.5 3.0 3.8 4.0 5.3 6.3 7.2 8.2 9.6 11.4 12.6 Resistance Rmin (Ω ) 1.830 1.250 0.880 0.550 0.500 0.310 0.250 0.200 0.150 0.120 0.090 0.080 Agency Approval R1max (Ω ) 4.400 3.000 2.100 1.290 1.170 0.720 0.600 0.470 0.380 0.300 0.220 0.190 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 24-1 No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan. TEL: +886-3-5643931 FAX: +886-3-5644624 http://www.pttc.com.tw Page: 2 of 12 2013 Revision: F RLD 72XF Series PTC Devices Part Number RLD72P250XF RLD72P300XF RLD72P375XF Ihold (A) 2.50 3.00 3.75 Itrip (A) 5.00 6.00 7.50 Vmax (Vdc) 72 72 72 Imax (A) 40 40 40 Pd typ (W) 2.50 2.80 3.20 Maximum Time To Trip Current Time (A) (Sec.) 12.50 15.00 18.75 15.6 19.8 24.0 Resistance Rmin (Ω ) 0.050 0.040 0.030 Agency Approval R1max (Ω ) 0.130 0.100 0.080 3 3 3 3 3 3 Note on Electrical Characteristics „ Vocabulary Ihold Itrip Vmax Imax Pd typ Rmin = Hold current: maximum current device will pass without tripping in 23ºC still air. = Trip current: minimum current at which the device will trip in 23 ºC still air. = Maximum voltage device can withstand without damage at rated current (I max) = Maximum fault current device can withstand without damage at rated voltage (Vmax) = Power dissipated from device when in the tripped state at 23 ºC still air. = Minimum resistance of device in initial (un-soldered) state. R1max = Maximum resistance of device at 23 ºC measured one hour after tripping or reflow soldering of 260 ºC for 20 sec. „ Caution: Operation beyond the specified rating may result in damage and possible arcing and flame. „ Specifications are subject to change without notice. Polymeric PTC Selecting Guide „ Determine the following operating parameters for the circuits: y Normal operating current (Ihold) y Maximum circuit voltage (Vmax) y Maximum interrupt current (Imax) y Normal operating temperature surrounding device (minºC/maxºC) „ Select the device form factor and dimension suitable for the application: y Surface Mount Device (SMD) y Radial Leaded Device (RLD) y Axial Leaded Device (ALD) y DISC Device y Other Customized Form Factors „ Compare the maximum rating for Vmax and Imax of the PPTC device with the circuit in application and make sure the circuit’s requirement does not exceed the device rating. „ Check that PPTC device’s trip time (time-to-trip) will protect the circuit. „ Verify that the circuit operating temperature is within the PPTC device’s normal operating temperature range. „ Verify the performance and suitability of the chosen PPTC device in the application. 24-1 No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan. TEL: +886-3-5643931 FAX: +886-3-5644624 http://www.pttc.com.tw Page: 3 of 12 2013 Revision: F RLD 72XF Series PTC Devices Thermal Derating Curve 200.00 160.00 Percenrage of reted current (%) 120.00 80.00 40.00 0.00 -40.00 0.00 40.00 80.00 120.00 Device ambient temperature(℃ ) Thermal Derating Chart Recommended Hold Current (A) at Ambient Temperature (ºC) Part Number RLD72P020XF RLD72P025XF RLD72P030XF RLD72P040XF RLD72P050XF RLD72P065XF RLD72P075XF RLD72P090XF RLD72P110XF RLD72P135XF RLD72P160XF RLD72P185XF RLD72P250XF RLD72P300XF RLD72P375XF Ambient Operation Temperature -40 ºC 0.31 0.39 0.47 0.62 0.78 1.01 1.16 1.40 1.71 2.09 2.48 2.87 3.88 4.65 5.81 -20 ºC 0.27 0.34 0.41 0.54 0.68 0.88 1.02 1.22 1.50 1.84 2.18 2.52 3.40 4.08 5.10 0 ºC 0.24 0.30 0.36 0.48 0.60 0.77 0.89 1.07 1.31 1.61 1.90 2.20 2.98 3.57 4.46 23 ºC 0.20 0.25 0.30 0.40 0.50 0.65 0.75 0.90 1.10 1.35 1.60 1.85 2.50 3.00 3.75 40 ºC 0.16 0.20 0.24 0.32 0.41 0.53 0.61 0.7.


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