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NCP1239BD65R2G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

NCP1239BD65R2G product

NCP1239BD65R2G

AC DC Converters

Flyback ControllerPower Managementonsemi

The NCP1239BD65R2G is a high-efficiency, fixed-frequency current-mode controller designed for flyback power supplies, featuring integrated high-voltage start-up and advanced protection modes.

Best for

  • AC-DC power adapters
  • TV power supplies
  • Set-top boxes

Avoid if

  • Applications requiring non-flyback topologies

Check before use

  • VCC OVP and OCP protection behavior for your specific safety requirements

Key specifications

Frequency
65 kHz
OCP Mode
Auto-Recovery
VCC OVP
Latch

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

Power Supply

Datasheet

NCP1239-D.PDF

800 KB

Datasheet AI

CAD Models

Download ECAD models for NCP1239BD65R2G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a fixed-frequency current-mode controller for flyback converters, optimized for low-power AC-DC applications like adapters and set-top boxes.