NCP1239FDR2
- Mfr.Part #
- NCP1239FDR2
- Manufacturer
- onsemi
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH FLYBACK 16SOIC
- Stock
- 46,384
- In Stock :
- 46,384
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- onsemi
- Product Category :
- AC DC Converters, Offline Switches
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Length :
- 9.9mm
- Internal Switch(s) :
- No
- Output Isolation :
- Isolated
- RoHS Status :
- Non-RoHS Compliant
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Mode :
- CURRENT-MODE
- Pin Count :
- 16
- Control Technique :
- PULSE WIDTH MODULATION
- ECCN Code :
- EAR99
- Frequency - Switching :
- Up to 250kHz
- Number of Terminations :
- 16
- Operating Supply Voltage :
- 36V
- Published :
- 2005
- Surface Mount :
- yes
- Voltage - Start Up :
- 16.4V
- Number of Pins :
- 16
- Terminal Form :
- Gull wing
- Base Part Number :
- NCP1239
- Topology :
- Flyback
- Fault Protection :
- Current Limiting, Over Load
- Max Frequency :
- 250kHz
- Mounting Type :
- Surface Mount
- Switcher Configuration :
- Single
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Control Features :
- Frequency Control, Sync
- Voltage - Supply (Vcc/Vdd) :
- 11.2V~36V
- Packaging :
- Tape and Reel (TR)
- Peak Reflow Temperature (Cel) :
- 240
- Lead Free :
- Contains Lead
- Number of Outputs :
- 1
- Input Voltage-Nom :
- 20V
- Number of Functions :
- 1
- JESD-609 Code :
- e0
- Duty Cycle :
- 80%
- Output Current-Max :
- 0.8A
- Operating Temperature :
- 0°C~150°C TJ
- Terminal Position :
- Dual
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Width :
- 3.9mm
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Datasheets
- NCP1239FDR2

AC DC Converters, Offline Switches onsemi NCP1239FDR2 Overview
The onsemi NCP1239FDR2 is a highly efficient, offline switch mode power supply controller that utilizes advanced flyback topology to ensure consistent performance and reliability. Designed for compact and cost-effective AC/DC power applications, the NCP1239FDR2 from onsemi excels in delivering stable and energy-efficient solutions. This product integrates multiple protection features, including brown-out and over-power compensation, making it an ideal choice for manufacturers seeking to enhance the safety and durability of their applications. Its ability to operate under varying load conditions and minimal external components makes it a pivotal component for modern power solutions.
NCP1239FDR2 Features
The NCP1239FDR2 features include a built-in frequency jittering for reduced electromagnetic interference (EMI), adjustable overcurrent protection, and an auto-recovery feature that enhances the operational safety and longevity of power supplies. Its high-voltage startup circuit ensures quick and efficient start-up, while its green-mode operation allows for low-power standby states, crucial for energy saving and compliance with global energy regulations.
NCP1239FDR2 Applications
- Consumer Electronics: Utilized in TVs, game consoles, and home appliances for efficient power conversion and reduced standby energy consumption.
- Office Automation: Powers printers and computer monitors, ensuring reliable performance and energy efficiency in office environments.
- Industrial Systems: Key component in power supplies for industrial automation equipment, enhancing operational reliability and safety.
- Telecommunication Equipment: Supports the power needs of telecom devices, facilitating stable and continuous operation.
- Lighting Solutions: Drives LED lighting systems, offering consistent, flicker-free illumination with optimal power usage.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
Manufacturer related products
Catalog related products
Related products
| Part | Manufacturer | Stock | Description |
|---|---|---|---|
| NCP1000P | onsemi | 5,450 | IC OFFLINE SWITCH MULT TOP 8DIP |
| NCP1000PG | onsemi | 36,581 | IC OFFLINE SWITCH MULT TOP 8DIP |
| NCP1000T | onsemi | 5,850 | IC REG LIN SWITCHING VOLT MODE |
| NCP1001P | onsemi | 4,692 | IC OFFLINE SWITCH MULT TOP 8DIP |
| NCP1001PG | onsemi | 5,182 | IC OFFLINE SWITCH MULT TOP 8DIP |
| NCP1001T | onsemi | 25,959 | IC REG LIN SWITCHING VOLT MODE |
| NCP1002P | onsemi | 3,011 | IC OFFLINE SWITCH MULT TOP 8DIP |
| NCP1002PG | onsemi | 2,608 | IC OFFLINE SWITCH MULT TOP 8DIP |
| NCP100ALPRPG | onsemi | 38,449 | IC VREF SHUNT ADJ 1.7% TO92-3 |
| NCP100SNT1 | onsemi | 17,366 | IC VREF SHUNT ADJ 1.7% 5TSOP |
| NCP100SNT1G | onsemi | 9,378 | IC VREF SHUNT ADJ 1.7% 5TSOP |
| NCP1010AP065 | onsemi | 36,318 | IC OFFLINE SWITCH FLYBACK 7DIP |
| NCP1010AP065G | onsemi | 9,126 | IC OFFLINE SWITCH FLYBACK 7DIP |
| NCP1010AP100 | onsemi | 45,058 | IC OFFLINE SWITCH FLYBACK 7DIP |
| NCP1010AP100G | onsemi | 7,100 | IC OFFLINE SWITCH FLYBACK 7DIP |
















