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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersALTAIR04-900
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ALTAIR04-900 - STMicroelectronics

Manufacturer Part Number
ALTAIR04-900
Manufacturer
STMicroelectronics
Allelco Part Number
32D-ALTAIR04-900
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC OFFLINE SWITCH FLYBACK 16SO
Package
16-SO
Data sheet
1.ALTAIR04-900.pdf ...

PCN Packaging

2.73KHz.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 64520
  • Unit Price: $1.191
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.191 $1.19
200+ $0.462 $92.40
500+ $0.445 $222.50
1000+ $0.437 $437.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

ALTAIR04-900 Tech Specifications
STMicroelectronics - ALTAIR04-900 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - ALTAIR04-900

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply (Vcc/Vdd) 11.5V ~ 23V  
Voltage - Start Up 13 V  
Voltage - Breakdown 900V  
Topology Flyback  
Supplier Device Package 16-SO  
Series -  
Package / Case 16-SOIC (0.154', 3.90mm Width)  
Package Tube  
Product Attribute Attribute Value  
Output Isolation Isolated  
Operating Temperature -40°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency - Switching Up to 166kHz  
Fault Protection Current Limiting, Short Circuit  
Duty Cycle -  
Control Features -  
Base Product Number ALTAIR04  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

ALTAIR04-900

Manufacturer

STMicroelectronics

Introduction

The ALTAIR04-900 by STMicroelectronics is a high-performance AC-DC converter designed for Power Management (PMIC), specifically offline switching applications. It's packaged in a tube format, featuring optimal isolation and incorporating an internal switch.

Product Features and Performance

Integrated high-voltage startup circuit

Proprietary HV technology enabling 900V breakdown voltage

Flyback topology for efficient power conversion

Start-up voltage of 13V and operational voltage range of 11.5V to 23V

Supports switching frequencies up to 166kHz

Current limiting and short-circuit fault protection for enhanced safety

Designed for -40°C to 150°C operating temperature range

16-SOIC package for surface mount applications

Product Advantages

High breakdown voltage suitable for demanding applications

Wide operating voltage and temperature range

High-frequency operation allowing for smaller component size

Integrated safety features prevent damage from common faults

Compact package ideal for space-constrained applications

Key Technical Parameters

Voltage Breakdown: 900V

Voltage Start Up: 13V

Voltage Supply (Vcc/Vdd): 11.5V ~ 23V

Frequency Switching: Up to 166kHz

Operating Temperature: -40°C ~ 150°C (TJ)

Package / Case: 16-SOIC

Quality and Safety Features

Current limiting and short circuit protection

Compatibility

Flexible design compatible with various types of AC-DC conversion applications

Application Areas

Power supplies

Home appliances

Industrial control systems

Lighting solutions

Product Lifecycle

Status: Active

No indication of nearing discontinuation; availability of replacements or upgrades should be monitored on STMicroelectronics’ website.

Several Key Reasons to Choose This Product

Robust design with 900V breakdown voltage for high reliability

Wide operating temperature and voltage range cater to challenging environments

High switching frequency enables compact and efficient designs

Comprehensive fault protection enhances product safety and longevity

Offered by STMicroelectronics, a trusted name in semiconductor and PMIC technologies

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics ALTAIR04-900

Product Attribute ALTAIR04-900 ALTAIR04-900TR ALTAIR05T-800TR ALTAIR05T-800
Part Number ALTAIR04-900 ALTAIR04-900TR ALTAIR05T-800TR ALTAIR05T-800
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Supplier Device Package 16-SO 16-SO 16-SO 16-SO
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tray
Internal Switch(s) Yes Yes Yes Yes
Frequency - Switching Up to 166kHz Up to 166kHz - -
Fault Protection Current Limiting, Short Circuit Current Limiting, Short Circuit - -
Voltage - Supply (Vcc/Vdd) 11.5V ~ 23V 11.5V ~ 23V 11.5V ~ 23V 11.5V ~ 23V
Output Isolation Isolated Isolated Isolated Isolated
Voltage - Start Up 13 V 13 V 13 V 13 V
Topology Flyback Flyback Flyback Flyback
Voltage - Breakdown 900V 900V 800V 800V
Series - - - -
Duty Cycle - - - -
Base Product Number ALTAIR04 ALTAIR04 ALTAIR05 ALTAIR05
Package / Case 16-SOIC (0.154', 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154', 3.90mm Width) 16-SOIC (0.154', 3.90mm Width)
Control Features - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -25°C ~ 125°C (TJ) -25°C ~ 125°C (TJ)

ALTAIR04-900 Datasheet PDF

Download ALTAIR04-900 pdf datasheets and STMicroelectronics documentation for ALTAIR04-900 - STMicroelectronics.

HTML Datasheet
Cylindrical Battery Holders.pdf
PCN Packaging
2.73KHz.pdf
PCN Assembly/Origin
2.73KHz.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
ALTAIR04-900 Image

ALTAIR04-900

STMicroelectronics
32D-ALTAIR04-900

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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