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| Twin SLIC Protector Modified TO-220 Twin SLIC Protector Modified TO-220 1 (T) 3 (R) 2 (G) Subscriber Line Interface Circuits (SLIC) are highly susceptible to transient voltages, such as lightning and power cross conditions. To minimize this threat, Littelfuse provides this dual-chip, fixed-voltage SLIC protector device. For specific design criteria, see details in Figure 3.29. Electrical Parameters Part Number * P0641A_2 P0721A_2 P0901A_2 P1101A_2 VDRM Volts 58 65 75 95 VS Volts 77 88 98 130 VT Volts 4 4 4 4 VF Volts 5 5 5 5 IDRM Amps 5 5 5 5 IS mAmps 800 800 800 800 IT Amps 2.2 2.2 2.2 2.2 IH mAmps 120 120 120 120 CO pF 40 60 60 60 Pins 1-2, 3-2 * For surge ratings, see table below. 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. * VDRM is measured at IDRM. * VS and VF are 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 across pins 1-2 or 3-2 at 1 MHz with a 2 V bias. Capacitance across pins 1-3 is approximately half. * Parallel capacitive loads may affect electrical parameters. * Compliance with GR 1089 or UL 60950 power cross tests may require special design considerations. Contact the factory for further information. Surge Ratings (Preliminary Data) IPP 2x10 s Amps 150 500 IPP 8x20 s Amps 150 400 IPP 10x160 s Amps 90 200 IPP 10x560 s Amps 50 150 IPP 10x1000 s Amps 45 100 ITSM 60 Hz Amps 20 50 di/dt Amps/s 500 500 Series A C http://www.littelfuse.com +1 972-580-7777 2 - 46 (c) 2004 Littelfuse, Inc. SIDACtor(R) Data Book and Design Guide Twin SLIC Protector Modified TO-220 Thermal Considerations Package Modified TO-220 Symbol TJ TS RJA Parameter Operating Junction Temperature Range Storage Temperature Range Thermal Resistance: Junction to Ambient Value -40 to +150 -65 to +150 50 Unit C C C/W PIN 1 PIN 2 PIN 3 +I +I IPP - Peak Pulse Current - %IPP VF tr = rise time to peak value td = decay time to half value IT IS IH IDRM VT 100 Peak Value VS VDRM -V -V VT Waveform = tr x td IDRM VDRM IH IS IT +V +V 50 Half Value VS 0 0 tr td t - Time (s) -I -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 - 47 http://www.littelfuse.com +1 972-580-7777 Data Sheets |
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