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SSRP105B1RL Datasheet(PDF) 1 Page - STMicroelectronics |
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SSRP105B1RL Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 6 page  1/6 Application Specific Discretes ASD™ SSRP105B1 ® Where asymmetrical protection against lightning strikes and other transient overvoltages is required : s Solid-State relays s SLIC with integrated ring generator MAIN APPLICATIONS SO-8 The SSRP105B1 is a dual asymmetrical transient voltage suppressor designed to protect a solid-state ring relay or SLICs with integrated ring generator from overvoltages. The asymmetrical protection configuration is necessary to allow the use of all different types of ringing schemes. DESCRIPTION FUNCTIONAL DIAGRAM DUAL ASYMMETRICAL OVERVOLTAGE PROTECTION FOR TELECOM LINE October 2002 - Ed: 1A 1 2 3 4 5 6 8 GND NC NC 7 TIP RING GND GND GND TM: ASD is trademarks of STMicroelectronics. Peak Surge Voltage (V) Voltage Waveform (µs) Current Waveform (µs) Required Peak current (A) Min. serial resistor to meet standards ( Ω) ITU-T K20 / K21 1500 10/700 5/310 38 - VDE0433 2000 10/700 5/310 50 - IEC61000-4-5 Level 3 Level 4 10/700 1.2/50 5/310 8/20 50 100 - - FCC Part 68 1500 800 10/160 10/560 10/160 10/560 200 100 18 10 BELLCORE GR1089 First level 2500 1000 2/10 10/1000 2/10 10/1000 500 100 10 19 COMPLY WITH THE FOLLOWING STANDARDS s Dual bi-directional asymmetrical protection Stand-off voltages: q Between Line and Ground +105V for positive voltages -180V for negative voltages q Between Line and Line +180V for positive voltages -180V for negative voltages s Peak pulse current: IPP = 50A (5/310µs) s Holding current: q IH+ = 100mA q IH- = 150mA FEATURES |
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