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NSI45030AZT1G The On Semiconductor NSI45030AZT1G is a constant current regulator designed for LED applications. It offers a 45V maximum voltage and 30mA regulated current.
Mfr Part #:

NSI45030AZT1G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor NSI45030AZT1G is a constant current regulator designed for LED applications. It offers a 45V maximum voltage and 30mA regulated current.
✓ Total Stock: 101 pcs
$ Price Range: $1.14

NSI45030AZT1G Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
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101 pcs
On Request
101 pcs On Request 1 On Request On Request 18+ On Request On Request
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NSI45030AZT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Function
Halogen Free
Mounting Type
Operating Temperature
Reverse Voltage
Sensing Method
Supplier Device Package
Supplier Package
Voltage
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NSI45030AZT1G Description

Short technical summary and product information.

The On Semiconductor NSI45030AZT1G is a linear constant current regulator (CCR) designed for cost-effective current regulation in LED applications. Utilizing Self-Biased Transistor (SBT) technology, this device regulates current over a wide voltage range and includes a negative temperature coefficient to protect LEDs from thermal runaway.

 

Key electrical specifications include a maximum anode-cathode voltage of 45V and a steady-state current of 30mA at 7.5V Vak, with an accuracy of ±10%. The device offers immediate turn-on with only 0.5V Vak required for 25% regulation. It can function as a high or low-side regulator without external components.

 

This regulator is housed in a robust SOT-223 (TO-261) surface-mount package, rated for 1.4 Watts of power dissipation. It operates within a temperature range of -40°C to 125°C. The NSI45030AZT1G is AEC-Q101 qualified and UL94-V0 certified, making it suitable for demanding automotive, industrial, and commercial signage applications.

 

Applications include backlighting for automotive clusters and displays, AC lighting panels, decorative lighting, and channel lettering. Its voltage surge suppressing capability protects LEDs in applications common in automotive and industrial environments.

NSI45030AZT1G Quick Information

Product Type: Current Regulator
Canonical Name: On Semiconductor NSI45030AZT1G Constant Current Regulator
Subcategory: LED Driver

NSI45030AZT1G Compliance

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

NSI45030AZT1G Estimated Pricing

Qty Low High
1+ $1.14 $1.14

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

NSI45030AZT1G Features

  • Regulates 30mA constant current.
  • Supports up to 45V anode-cathode voltage.
  • ±10% current regulation accuracy.
  • Robust SOT-223 surface-mount package.
  • AEC-Q101 qualified for automotive.

NSI45030AZT1G Applications

  • Ideal for LED backlighting.
  • Used in automotive lighting systems.
  • Suitable for AC lighting panels.
  • Applicable for decorative lighting.
  • Protects LEDs from voltage surges.

NSI45030AZT1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum operating voltage for the NSI45030AZT1G?

The maximum anode-cathode voltage is 45V.

What is the regulated current output of the NSI45030AZT1G?

The typical steady-state current is 30mA at 7.5V Vak.

What is the accuracy of the current regulation?

The current regulation accuracy is ±10%.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package type is the NSI45030AZT1G in?

It is supplied in a SOT-223 (TO-261) surface-mount package.

Is the NSI45030AZT1G RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The Moisture Sensitivity Level is 1.

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