The SIDACtor Protection Thyristors datasheet pertains to the MC Series DO-214, a product by Littelfuse that offers low capacitance components meant to safeguard broadband devices like VOIP, DSL modems, and DSLAMs from harmful overvoltage transients. These components serve as a surface mount solution that adheres to global regulatory demands while minimizing interference with broadband signals.
Features and Benefits
The SIDACtor components are distinguished by:
low voltage overshoot, RoHS Compliance and being Halogen-Free, low on-state voltage, and an ability to retain surge capacity after numerous surge events. A significant advantage is their 40% lower capacitance compared to Baseband Protectors, which is critical for applications requiring high signal integrity. Moreover, these components employ a Pb-free E3 terminal finish (tin), aligning with IPC/JEDEC J-STD-609A.01 standards.
Agency Approvals
The MC Series has gained approval from various agencies, with a specific file number (E133083) mentioned. The document does not provide the names of the agencies but does reference general compliance with global standards such as TIA-968-4 TIA 968 B, ITU K.20/21/45 at both Enhanced and Basic Levels, GR 1089 for both intra- and inter-building requirements, IEC 61000 4-5 2nd edition, YDIT 1082, YDIT 993, and YDIT 950. It is noted that A-rated parts require additional series resistance.
Electrical Characteristics
The datasheet provides a detailed breakdown of electrical characteristics for the SIDACtor Protection Thyristor, which is useful for designers to determine the appropriateness for their particular application. Characteristics such as VDRM, capacitance at 1MHz, and with a 2V bias are included, with values spanning various parameters like minimum and maximum voltage directive (VDRM), capacitance ranging from 25 pF min to 800 pF max, and a potential overvoltage impulse of 100V/µs. The table includes part number and marking codes to identify specific models within the series, exhibiting a range of minimum and maximum voltage thresholds.
Notes and Disclaimers
Absolute maximum ratings specified are measured at a standard temperature of 25°C unless otherwise noted. The components are bi-directional, indicating they can handle transients in both directions. All specifications are subject to change without notice, and the datasheet includes a revision date (Revised: 02/23/17), which is crucial for users to ensure they have the latest information.
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