IR21571S
- Mfr.Part #
- IR21571S
- Manufacturer
- Infineon Technologies
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC BALLAST CNTRL 50.5KHZ 16SOIC
- Stock
- 60,377
- In Stock :
- 60,377
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Infineon Technologies
- Product Category :
- Lighting, Ballast Controllers
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- RoHS Status :
- Non-RoHS Compliant
- Published :
- 1999
- Type :
- Ballast Controller
- Width :
- 3.9mm
- Switcher Configuration :
- Push-Pull
- Height Seated (Max) :
- 1.75mm
- Operating Temperature :
- -40°C~125°C
- Input Voltage-Nom :
- 14V
- Dimming :
- No
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Length :
- 9.89mm
- Mounting Type :
- Surface Mount
- Frequency :
- 45.5kHz~50.5kHz
- Terminal Form :
- Gull wing
- Number of Functions :
- 1
- Current - Supply :
- 5.5mA
- Base Part Number :
- IR21571S
- Output Current-Max :
- 0.5A
- Voltage - Supply :
- 10.5V~16.5V
- HTS Code :
- 8542.39.00.01
- Surface Mount :
- yes
- Terminal Pitch :
- 1.27mm
- Number of Terminations :
- 16
- Input Voltage (Max) :
- 16.5V
- Input Voltage (Min) :
- 10.5V
- JESD-30 Code :
- R-PDSO-G16
- Terminal Position :
- Dual
- Packaging :
- Tube
- ECCN Code :
- EAR99
- Datasheets
- IR21571S

Lighting, Ballast Controllers Infineon Technologies IR21571S Overview
The Infineon Technologies IR21571S is a cutting-edge Lighting, Ballast Controller designed to optimize the performance and efficiency of lighting systems. Manufactured by Infineon Technologies, a leader in semiconductor solutions, the IR21571S stands out for its ability to efficiently manage and control electronic ballasts at a frequency of 50.5 kHz. This component is housed in a compact 16SOIC package, making it ideal for streamlined, space-conscious applications. The IR21571S is engineered to enhance system reliability and extend the life of lighting fixtures, making it an essential choice for developers looking to leverage advanced lighting technology.
IR21571S Features
The IR21571S offers a range of features tailored for superior ballast control. These include high-frequency operation at 50.5 kHz, which allows for fine control of lighting elements, minimizing energy wastage and improving overall efficiency. The device's integrated circuit design is optimized for low power consumption, contributing to energy savings in large-scale installations. Its robust design ensures reliable operation even under varying electrical conditions, making it a resilient choice for critical lighting applications.
IR21571S Applications
- Commercial Lighting Systems: The IR21571S is utilized in managing fluorescent lighting systems within commercial buildings, optimizing energy use and reducing operational costs.
- Industrial Lighting: Ideal for high-bay lighting in factories, the IR21571S ensures consistent performance, essential for maintaining workplace safety and productivity.
- Residential Lighting: In residential settings, this controller helps in enhancing the efficiency of compact fluorescent lamps (CFLs), providing households with a cost-effective lighting solution.
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.
















