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NSI45020T1G The ON Semiconductor NSI45020T1G is a constant current regulator and LED driver in a SOD-123 package. It offers a wide operating voltage range and protects LEDs from thermal runaway.
Mfr Part #:

NSI45020T1G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NSI45020T1G is a constant current regulator and LED driver in a SOD-123 package. It offers a wide operating voltage range and protects LEDs from thermal runaway.
✓ Total Stock: 71,872 pcs
$ Price Range: $1.14

NSI45020T1G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Seba Components ✓
Non-Authorised Inventory information
48,000 pcs
On Request
48000 pcs On Request 1 On Request On Request On Request On Request On Request
Flip Electronics ✓
Non-Authorised Inventory information
23,872 pcs
On Request
23872 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.

NSI45020T1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Function
Halogen Free
Input Voltage
Lead Style
Mounting Type
Operating Temperature
Power Dissipation
Reverse Voltage
SVHC Present
Sensing Method
Supplier Device Package
Voltage
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NSI45020T1G Description

Short technical summary and product information.

The ON Semiconductor NSI45020T1G is a linear constant current regulator (CCR) designed for cost-effective current regulation in LED applications. Utilizing Self-Biased Transistor (SBT) technology, it operates over a wide voltage range and features a negative temperature coefficient to protect LEDs from thermal runaway.

 

This device boasts a high anode-cathode voltage rating of 45V, making it suitable for surge-prone applications in automotive, industrial, and commercial signage. It offers immediate turn-on with low voltage and requires no external components, allowing for flexible high or low-side regulation. The NSI45020T1G is supplied in a robust SOD-123 package with a power dissipation of 460 mW.

 

Key electrical characteristics include a typical steady-state current of 20 mA at 7.5V Vak, with an accuracy of ±15%. The operating temperature range is from -55°C to 150°C. The device is Pb-free, Halogen-free, BFR-free, and RoHS compliant.

 

Applications for the NSI45020T1G include backlighting for automotive clusters and displays, CHMSL, map lights, AC lighting panels, display signage, and decorative lighting.

NSI45020T1G Quick Information

Product Type: LED Lighting Driver
Canonical Name: NSI45020T1G Constant Current Regulator and LED Driver
Subcategory: Driver ICs

NSI45020T1G Compliance

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

NSI45020T1G Estimated Pricing

Qty Low High
1+ $1.14 $1.14

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

NSI45020T1G Features

  • Constant current regulator for LED drivers.
  • 45V maximum anode-cathode voltage.
  • 20mA typical steady state current.
  • ±15% current accuracy.
  • Operates from -55°C to 150°C.

NSI45020T1G Applications

  • Automotive instrument backlighting.
  • Commercial signage illumination.
  • Decorative LED lighting circuits.
  • Cluster and display backlighting.

NSI45020T1G FAQs

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

45 V.

What is the typical steady state current?

20 mA at Vak = 7.5 V.

What is the accuracy of the current regulator?

±15%.

What is the operating temperature range?

-55°C to 150°C.

What package is the NSI45020T1G available in?

SOD-123 surface mount package.

What is the maximum power dissipation?

460 mW at 25°C.

What is the maximum reverse voltage?

500 mV.

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