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| CATV Line Amplifiers/Power Inserters RE SIDACtor Device CATV Line Amplifiers/Power Inserters RE SIDACtor Device 1 2 This SIDACtor device is a 3000 A solid state protection device offered in a non-isolated TO-220 package. It protects equipment located in the severe surge environment of CATV (Community Antenna TV) applications. In CATV line amplifiers and power inserters, this device can replace the gas tubes traditionally used for station protection because SIDACtor devices have much tighter voltage tolerances. Electrical Parameters Part Number * P1900RE VDRM Volts 140 VS Volts 220 VT Volts 4 IDRM Amps 5 IS mAmps 800 IT Amps ** 2.2/25 IH mAmps 50 CO pF 260 * For surge ratings, see table below. ** IT is a free air rating; heat sink IT rating is 25 A. General Notes: * All measurements are made at an ambient temperature of 25 C. IPP applies to -40 C through +85 C temperature range. * IPP is a repetitive surge rating and is guaranteed for the life of the product. * Listed SIDACtor devices are bi-directional. All electrical parameters and surge ratings apply to forward and reverse polarities. * VDRM is measured at IDRM. * VS is measured at 100 V/s. * Special voltage (VS and VDRM) and holding current (IH) requirements are available upon request. * Off-state capacitance (CO) is measured at 1 MHz with a 2 V bias and is a typical value. Surge Ratings IPP 8x20 s Amps 3000 ITSM 60 Hz Amps 400 di/dt Amps/s 500 Series E http://www.littelfuse.com +1 972-580-7777 2 - 66 (c) 2004 Littelfuse, Inc. SIDACtor(R) Data Book and Design Guide CATV Line Amplifiers/Power Inserters RE SIDACtor Device Thermal Considerations Package TO-220 Pin2 Symbol TJ TS TC RJC * RJA Parameter Operating Junction Temperature Range Storage Temperature Range Maximum Case Temperature Thermal Resistance: Junction to Case Thermal Resistance: Junction to Ambient Value -40 to +150 -65 to +150 100 1.7 56 Unit C C C C/W C/W Pin2 * RJC rating assumes the use of a heat sink and on state mode for extended time at 25 A, with average power dissipation of 29.125 W. +I IPP - Peak Pulse Current - %IPP tr = rise time to peak value td = decay time to half value IT IS IH IDRM -V VT VDRM VS +V 100 Peak Value Waveform = tr x td 50 Half Value 0 0 tr td t - Time (s) -I V-I Characteristics tr x td Pulse Wave-form 14 Percent of VS Change - % 12 8 6 4 2 0 -4 -6 -8 -40 -20 0 20 40 60 80 100 120 140 160 IH IH (TC = 25 C) 10 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 -40 -20 0 20 40 60 80 100 120 140 160 25 C 25 C Ratio of Case Temperature (TC) - C Junction Temperature (TJ) - C Normalized VS Change versus Junction Temperature Normalized DC Holding Current versus Case Temperature (c) 2004 Littelfuse, Inc. SIDACtor(R) Data Book and Design Guide 2 - 67 http://www.littelfuse.com +1 972-580-7777 Data Sheets Pin1 Pin3 |
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