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NCS37012MNTWG The ON Semiconductor NCS37012MNTWG is a specialized GFCI controller IC designed for ground fault protection applications. It operates from 6V to 12V and features a wide temperature range.
Mfr Part #:

NCS37012MNTWG

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCS37012MNTWG is a specialized GFCI controller IC designed for ground fault protection applications. It operates from 6V to 12V and features a wide temperature range.
✓ Total Stock: 3,682 pcs
$ Price Range: $0.75

NCS37012MNTWG Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
1,851 pcs
On Request
1851 pcs On Request 1 On Request On Request 16+ On Request On Request
Rayichip ✓
Non-Authorised Inventory information
1,831 pcs
On Request
1831 pcs On Request 1 On Request On Request On Request On Request On Request
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NCS37012MNTWG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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NCS37012MNTWG Description

Short technical summary and product information.

The NCS37012MNTWG from ON Semiconductor is a signal processor for Ground Fault Circuit Interrupter (GFCI) applications, featuring self-test functionality and compliance with UL943 standards.

 

This device integrates a flexible power supply, differential fault detection, and grounded-neutral detection circuits. It utilizes proprietary impedance measurement and signal processing techniques to minimize external components and enhance performance. A specialized DSP controller provides excellent immunity to nuisance loads without external analog filters.

 

The NCS37012MNTWG operates from 6.0 V to 12 V and functions across a temperature range of -40°C to 85°C. It boasts very low power consumption, less than 15 mW at 5 V. The IC supports single current transformer detection for both differential and grounded-neutral faults, with full self-test and trip indicator monitoring.

 

Packaged in a 16-QFN (3x3) surface-mount format, the NCS37012MNTWG is suitable for applications such as load panel GFCI breakers, GFCI receptacles, and in-line GFCI circuits.

NCS37012MNTWG Quick Information

Product Type: GFCI Controller IC
Canonical Name: NCS37012MNTWG Self Test Ground Fault Circuit Interrupter (GFCI) Signal Processor
Subcategory: Power Management - Specialized

NCS37012MNTWG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCS37012MNTWG Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCS37012MNTWG Features

  • UL943 compliant GFCI signal processor.
  • 6.0 V to 12 V operating voltage range.
  • Wide -40°C to 85°C operating temperature.
  • Low power consumption under 15 mW.
  • 16-QFN (3x3) surface mount package.

NCS37012MNTWG Applications

  • Used in GFCI outlets and portable GFCI devices.
  • Ideal for residual current detection in AC mains systems.
  • Suitable for industrial environments with high noise immunity requirements.
  • Can be used in 120V to 480V AC mains applications.

NCS37012MNTWG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the NCS37012MNTWG?

The operating voltage range is 6.0V to 12.0V.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What is the power consumption of the NCS37012MNTWG?

Power consumption is less than 15mW at 5V.

What package does the NCS37012MNTWG come in?

It is available in a 16-QFN (3x3mm) package with an exposed pad, and also in a 16-VFQFN Exposed Pad package.

What is the SCR driver current?

The SCR driver current is greater than 5mA.

What is the nuisance load immunity?

The device can tolerate nuisance loads up to 10A without loss of detection capability.

What is the typical supply current?

The typical supply current is 30µA.

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