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A1250UA4 - SIDACtor Protection Thyristors

Download the A1250UA4 datasheet PDF. This datasheet also covers the A1220UA4 variant, as both devices belong to the same sidactor protection thyristors family and are provided as variant models within a single manufacturer datasheet.

General Description

Asymmetrical Multiport Series are SIDACtor® devices designed to protect LCAS (Line Circuit Access Switch) devices from damaging overvoltage transients.

Key Features

  • and Benefits t Low voltage overshoot t Low on-state voltage t Does not degrade with use t Fails short circuit when surged in excess of ratings t Replaces four discrete devices t Two-port protection t LCAS specific tip and ring thresholds Applicable Global Standards t TIA-968-A t TIA-968-B t ITU K.20/21 Enhanced Level.
  • t ITU K.20/21 Basic Level t GR 1089 Inter-building.
  • t GR 1089 Intra-building t IEC.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (A1220UA4-Littelfuse.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
A1250 2SA1250 SavantIC
A1250 Hall-Effect Latch / Bipolar Switch Allegro
A1252 2SA1252 Sanyo Semicon Device
A1252 1.25mm pitch wire to board connector ETC
A1252-T 1.25mm pitch wire to board connector ETC

Other Datasheets by Littelfuse

Part Number Description
A1250UC4 SIDACtor Protection Thyristors
A1220UA4 SIDACtor Protection Thyristors
A1220UC4 SIDACtor Protection Thyristors

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SIDACtor® Protection Thyristors LCAS Protection Asymmetrical Multiport Series - MS-013 Agency Approvals Agency Agency File Number E133083 Pinout Designation 1 2 3 6 5 4 Schematic Symbol (T1) 1 (G1) 2 (R1) 3 6 (T2) 5 (G2) 4 (R2) Description Asymmetrical Multiport Series are SIDACtor® devices designed to protect LCAS (Line Circuit Access Switch) devices from damaging overvoltage transients. The series provides a specialized asymmetrical dual port overvoltage protection solution that enables equipment to comply with various global requlatory standards.