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NSI45015WT1G The ON Semiconductor NSI45015WT1G is a linear constant current regulator designed for applications like LED lighting and signage. It offers a 15mA output current with ±20% accuracy in a compact SOD-123 package.
Mfr Part #:

NSI45015WT1G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NSI45015WT1G is a linear constant current regulator designed for applications like LED lighting and signage. It offers a 15mA output current with ±20% accuracy in a compact SOD-123 package.
✓ Total Stock: 4,030 pcs
$ Price Range: $1.14

NSI45015WT1G Available from 1 distributor

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✓ Non-Authorised
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Xingangxin ✓
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4,030 pcs
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4030 pcs On Request 1 On Request On Request On Request On Request On Request
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NSI45015WT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Function
Halogen Free
Mounting Type
Operating Temperature
Power Dissipation
Reverse Voltage
Sensing Method
Supplier Device Package
Supplier Package
Technology
Temperature Coefficient
Voltage
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NSI45015WT1G Description

Short technical summary and product information.

The ON Semiconductor NSI45015WT1G is a robust and economical linear constant current regulator (CCR) designed to provide a cost-effective solution for regulating current in LEDs. Utilizing Self-Biased Transistor (SBT) technology, this device regulates current over a wide voltage range and features 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 15mA at 7.5V Vak, with an accuracy of ±20%. The device offers immediate turn-on and requires no external components, making it suitable for high or low-side regulation. Its high anode-cathode voltage rating is designed to withstand surges common in automotive, industrial, and commercial signage applications.

 

The NSI45015WT1G is housed in a thermally robust SOD-123 surface-mount package, rated for 460mW power dissipation. The operating temperature range is from -55°C to +150°C. This device is Pb-free, Halogen Free/BFR Free, and RoHS compliant, making it suitable for a wide range of modern electronic designs.

 

Applications include backlighting for automotive clusters and displays, AC lighting panels, decorative lighting, channel lettering, and switch contact wetting. The device's design also supports voltage surge suppression, further protecting sensitive LED loads.

NSI45015WT1G Quick Information

Product Type: Constant Current Regulator
Canonical Name: NSI45015WT1G Constant Current Regulator
Subcategory: Power Management ICs

NSI45015WT1G Compliance

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

NSI45015WT1G Estimated Pricing

Qty Low High
1+ $1.14 $1.14

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

NSI45015WT1G Features

  • Regulates current for LED applications.
  • 15mA output current with ±20% accuracy.
  • Wide operating voltage range up to 45V.
  • Immediate turn-on and negative temperature coefficient.
  • Robust SOD-123 surface-mount package.

NSI45015WT1G Applications

  • Ideal for LED backlighting.
  • Suitable for signage and display lighting.
  • Used in automotive instrument clusters.
  • Protects LEDs from thermal runaway.

NSI45015WT1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the NSI45015WT1G?

The maximum anode-cathode voltage is 45V.

What is the operating temperature range of the NSI45015WT1G?

The operating and storage junction temperature range is -55°C to +150°C.

What is the package type for the NSI45015WT1G?

The NSI45015WT1G is available in a SOD-123 surface mount package.

What is the typical current output of the NSI45015WT1G?

The typical steady state current is 15mA at Vak = 7.5V.

What is the accuracy of the NSI45015WT1G?

The accuracy is ±20%.

What is the power dissipation of the NSI45015WT1G?

The power dissipation is 460mW.

Is the NSI45015WT1G lead-free and halogen-free?

Yes, the NSI45015WT1G is lead-free (Pb-Free) and halogen-free.

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