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NCP303LSN42T1G The ON Semiconductor NCP303LSN42T1G is a voltage detector with a 4.2V threshold and active low reset. It features a programmable delay and an open drain output.
Mfr Part #:

NCP303LSN42T1G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP303LSN42T1G is a voltage detector with a 4.2V threshold and active low reset. It features a programmable delay and an open drain output.
✓ Total Stock: 51,384 pcs
$ Price Range: $0.75

NCP303LSN42T1G Available from 3 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
36,384 pcs
On Request
36384 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request 18+ On Request On Request
Seba Components ✓
Non-Authorised Inventory information
3,000 pcs
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3000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP303LSN42T1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Operating Temperature Range
Output
Quiescent Current
Reset
Reset Timeout
SVHC Present
Supplier Device Package
Supplier Package
Type
Voltage
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NCP303LSN42T1G Description

Short technical summary and product information.

The NCP303LSN42T1G from ON Semiconductor is a second-generation, ultra-low current voltage detector designed for microprocessor reset control in portable systems. It features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system resets.

 

This device operates over a wide voltage range of 0.8V to 10V and has a fixed 4.2V threshold. The output configuration is open drain or open collector, with an active low reset signal. The operating temperature range is -40°C to +125°C.

 

Packaged in a 5-TSOP (SOT-23-5 Thin) surface-mount package, the NCP303LSN42T1G is suitable for space-constrained applications. Its low quiescent current and precise voltage monitoring make it ideal for battery-powered devices where extended battery life is critical.

 

Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection. The programmable delay feature allows for customization to specific system requirements.

NCP303LSN42T1G Quick Information

Product Type: Voltage Detector
Series: NCP302, NCP303
Canonical Name: NCP303LSN42T1G Voltage Detector Series with Programmable Delay
Subcategory: Supervisors

NCP303LSN42T1G Compliance

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

NCP303LSN42T1G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP303LSN42T1G Features

  • Ultra-low current voltage detector.
  • Programmable time delay generator.
  • High accuracy undervoltage threshold.
  • Open drain active low reset output.
  • Wide operating voltage range.

NCP303LSN42T1G Applications

  • Microprocessor reset controller.
  • Low battery detection.
  • Power fail indicator.
  • Battery backup detection.

NCP303LSN42T1G FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the NCP303LSN42T1G?

The NCP303LSN42T1G has a nominal voltage threshold of 4.2V and can operate over a range of 0.8V to 10V.

What is the operating temperature range for this voltage detector?

The operating temperature range for the NCP303LSN42T1G is -40°C to +125°C.

What type of output does the NCP303LSN42T1G have?

The NCP303LSN42T1G features an open drain or open collector output with an active low reset signal.

How is the reset timeout configured on the NCP303LSN42T1G?

The reset timeout for the NCP303LSN42T1G is externally programmable and selectable.

What is the quiescent current of the NCP303LSN42T1G?

The typical quiescent current for the NCP303LSN42T1G is 0.5μA.

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