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ONSEMI MC33161DMR2G Voltage Monitor

The MC33161DMR2G is a versatile voltage monitor ideal for detecting positive and negative voltages across industrial, automotive, and consumer electronics. It features two comparator channels with hysteresis, programmable as inverting or non-inverting through a mode select input, enabling over-voltage, under-voltage, and window detection. The device has a 2.54V reference with current limit protection and two open-collector outputs capable of sinking over 10mA. Operating from 2V for positive and 4V for negative sensing, it ensures reliable voltage monitoring for demanding applications and enhances system safety and performance.

Authorized Distributors
Source:Newark
Part No:MC33161DMR2G
Stock:10224
Inv Date:06-11-2026
Price: Unit price: $1.31
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Source:DigiKey
Part No:MC33161DMR2G
Stock:60092
Inv Date:06-11-2026
Price: Unit price: $1.42
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Part No:MC33161DMR2G
Stock:16875
Inv Date:06-11-2026
Price: Unit price: $1.42
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Part No:MC33161DMR2G
Stock:7609
Inv Date:06-11-2026
Price: Unit price: $0.908
Buy/RFQ:
Part No:MC33161DMR2G
Stock:7609
Inv Date:06-11-2026
Price: Unit price: $0.908
Buy/RFQ:
Part No:MC33161DMR2G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.605
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ONSEMI MC33161DMR2G Voltage Monitor Specifications:

  • Operating Voltage Range: 2.0 V for positive sensing, 4.0 V for negative sensing
  • Reference Voltage: 2.54 V ±2.4%
  • Comparator Channels: Two with hysteresis, configurable as inverting/non-inverting
  • Output Current Capability: Sinking over 10 mA
  • Power Dissipation: Max 800 mW (Case 626), Max 450 mW (Case 751), Max 240 mW (Micro8)
  • Operating Temperature: 0°C to +70°C (MC34161), -40°C to +105°C (MC33161), 40°C to +125°C (NCV33161)
  • Input Voltage Range: up to 40 V
  • Maximum Power Dissipation: Pp 800 mW (Case 626), Pp 450 mW (Case 751), Pp 240 mW (Micro8)
  • Thermal Resistance Junction-to-Ambient: 100°C/W (Case 626), 178°C/W (Case 751), 240°C/W (Micro8)
  • Supply Current: 450-700 μA (Vcc=5V), 560-900 μA at maximum ratings
  • Device Packaging: PDIP-8, SOIC-8, Micro8™
  • Package Features: Pb-Free, RoHS compliant, AEC-Q100 qualified for automotive use

Buy the ON Semiconductor MC33161DMR2G – Reliable Voltage Monitor for Industrial Applications

Secure your systems’ performance with the MC33161DMR2G, a trusted voltage monitor designed for precise detection of positive and negative voltages. Its dual comparator channels with hysteresis, programmable configurations, and a 2.54V reference ensure robust operation across industrial and automotive environments. With low power consumption and open-collector outputs capable of sinking over 10mA, this device offers flexible installation and reliable fault detection. Purchase online today to enhance your system’s safety, reliability, and efficiency in critical voltage monitoring applications.

Buy ON Semiconductor MC33161DMR2G now and experience unmatched accuracy, versatility, and reliability in your voltage sensing and monitoring systems.

Frequently Asked Questions

Where can I buy ONSEMI MC33161DMR2G?

You can click on the BUY or RFQ button to purchase MC33161DMR2G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MC33161DMR2G?

You can download the MC33161DMR2G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MC33161DMR2G?

ONSEMI

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