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MC3423P1 The MC3423P1 is an overvoltage crowbar sensing circuit from On Semiconductor. It operates from 4.5V to 40V supply and comes in an 8-DIP through-hole package.
Mfr Part #:

MC3423P1

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MC3423P1 is an overvoltage crowbar sensing circuit from On Semiconductor. It operates from 4.5V to 40V supply and comes in an 8-DIP through-hole package.
✓ Total Stock: 5,031 pcs
$ Price Range: $0.96

MC3423P1 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
31 pcs
On Request
31 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.

MC3423P1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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MC3423P1 Description

Short technical summary and product information.

The MC3423P1 is a dedicated overvoltage protection circuit designed to safeguard sensitive electronic loads from overvoltage transients or regulator failures. When used with an external crowbar SCR, it quickly short circuits the supply, forcing current limiting or fuse opening.

 

Key electrical specifications include a supply voltage range of 4.5V to 40V, typical supply current of 6mA, and a sense trip voltage of 2.6V typical (2.45V min, 2.75V max). The device offers a typical propagation delay of 0.5µs and an output current rise time of 400 mA/µs, enabling fast response. The output drive voltage is VCC-2.2V to VCC-1.8V at 100 mA load.

 

The MC3423P1 is housed in an 8-DIP (0.300", 7.62mm) through-hole package with 8-PDIP supplier package. It operates over an ambient temperature range of 0°C to 70°C and can store from -65°C to 150°C. The remote activation input allows external triggering with low input current requirements.

MC3423P1 Quick Information

Product Type: Overvoltage Crowbar Sensing IC
Canonical Name: MC3423P1 Overvoltage Crowbar Sensing Circuit
Subcategory: TVS - Mixed Technology

MC3423P1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free Package Available

MC3423P1 Estimated Pricing

Qty Low High
50+ $0.96 $0.96

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

MC3423P1 Features

  • Supply voltage range of 4.5V to 40V.
  • Typical propagation delay of 0.5µs.
  • Sense trip voltage 2.6V typical.
  • Operating temperature range 0°C to 70°C.
  • Pb-free package available.

MC3423P1 Applications

  • Protects sensitive electronics from overvoltage transients.
  • Triggers external crowbar SCR in power supplies.
  • Can be used with positive or negative supplies.
  • Programmable overvoltage threshold for noise immunity.

MC3423P1 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the MC3423P1?

The supply voltage operating range is 4.5V to 40V.

What is the operating temperature range?

The operating ambient temperature range is 0°C to 70°C.

What package does the MC3423P1 come in?

The MC3423P1 is available in an 8-DIP (0.300", 7.62mm) through-hole package (8-PDIP).

What is the sense trip voltage?

The sense trip voltage is typically 2.6V, with a minimum of 2.45V and maximum of 2.75V at 25°C.

What is the typical supply current?

The typical supply current is 6mA, with a maximum of 10mA.

What is the output current capability?

The maximum output current rating is 300 mA. The typical source current is 0.2 mA.

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