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SGM40666BS - High-Current Over-Voltage Protector

Download the SGM40666BS datasheet PDF. This datasheet also covers the SGM40666AS variant, as both devices belong to the same high-current over-voltage protector family and are provided as variant models within a single manufacturer datasheet.

General Description

The SGM40666AS and SGM40666BS are over-voltage protection devices designed to protect low voltage systems from damage with a high voltage supply up to +31VDC and +40VPEAK (10s with 50mA current limit).

Key Features

  • Wide Power Supply Voltage Range: 2.5V to 28V.
  • Input Voltage up to 40V with 50mA Current Limit for 10s Duration.
  • Integrated Switch On-Resistance: 27mΩ (TYP).
  • Wide Adjustable OVLO Threshold Range: 4V to 22V.
  • Internal Over-Voltage Protection Threshold: 6.79V (TYP).
  • Surge Immunity.
  • SGM40666AS: Up to +90V/-400V Surge Immunity.
  • SGM40666BS: Up to +80V/-400V Surge Immunity.
  • 32.3V Clamping Circuit Trigger Threshold when Rising Slope > 4.5V/μs (SGM40666AS).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SGM40666AS-SGMicro.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SGM40666BS
Manufacturer SG Micro
File Size 794.68 KB
Description High-Current Over-Voltage Protector
Datasheet download datasheet SGM40666BS Datasheet

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Other Datasheets by SG Micro

Part Number Description
SGM40666 High-Current Over-Voltage Protector
SGM40666AS High-Current Over-Voltage Protector
SGM40660 Adjustable Over-Voltage Protection Switche
SGM40661 Adjustable Over-Voltage Protection Switche
SGM40663 High-Current Over-Voltage Protector

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
SGM40666AS/SGM40666BS High-Current Over-Voltage Protector GENERAL DESCRIPTION The SGM40666AS and SGM40666BS are over-voltage protection devices designed to protect low voltage systems from damage with a high voltage supply up to +31VDC and +40VPEAK (10s with 50mA current limit). The SGM40666AS withstands +90V/-400V while the SGM40666BS can also withstand surges up to +80V/ -400V without damage. The integrated 27mΩ (TYP) RON FET allows it to pass through 4.5A continuous current. The FET is turned off when the input voltage exceeds the over-voltage threshold, which can be adjusted between 4V and 22V with the optional external resistors. When the OVLO input is set below the external OVLO select threshold (0.