This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Orders Over

Get a $50 Discount !


Reliable Power Supply Solution: With a wide range of input voltages and stable output

ISO14001 ISO9001 DUNS

Brands: Power Integrations

Mfr.Part #: TNY178PN

Datasheet: TNY178PN Datasheet (PDF)

Package/Case: DIP-8C

Product Type: AC DC Converters, Offline Switches

RoHS Status:

Stock Condition: 4,945 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for TNY178PN or email to us: Email: [email protected], we will contact you within 12 hours.

Ovaga has a large stock of TNY178PN AC DC Converters, Offline Switches from Power Integrations and we guarantee that they are original,brand new parts sourced directly from Power Integrations We can provide quality testing reports for TNY178PN upon your request. To obtain a quote, simply fill in the required quantity, contact name, and email address in the quick quote form on the right. Our sales representative will contact you within 12 hours.


Parameter Value Parameter Value
Product Category AC/DC Converters RoHS Details
Mounting Style Through Hole Package / Case DIP-8C
Output Voltage 50 V Output Power 21.5 W
Input / Supply Voltage - Min 85 VAC Input / Supply Voltage - Max 265 VAC
Switching Frequency 132 kHz Duty Cycle - Max 65 %
Operating Supply Current 75 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 150 C Output Current 445 uA
Series TNY17 Brand Power Integrations
Isolation Isolated Number of Outputs 1 Output
Product TinySwitch-LTs Product Type AC/DC Converters
Factory Pack Quantity 50 Subcategory PMIC - Power Management ICs
Tradename TinySwitch-LT Type Off Line Converter
Unit Weight 0.252297 oz


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The TNY178PN chip is a highly efficient, reliable, and cost-effective integrated circuit commonly used in power supply applications. It features advanced power management capabilities, including overcurrent protection, overvoltage protection, and thermal shutdown protection. With its compact size and low power consumption, the TNY178PN chip is ideal for a wide range of electronic devices and systems.
  • Equivalent

    The equivalent products of TNY178PN chip are TNY178DG, TNY178PG, and TNY178PNF. These chips are all part of the same TNY178 family and have similar specifications and features.
  • Features

    The TNY178PN is a low power, energy-efficient off-line switcher IC with 700 V power MOSFET. It includes an integrated circuitry for start-up, internal Courant limit, and thermal shutdown protection. This IC is designed for low-power offline AC-DC power supplies.
  • Pinout

    The TNY178PN is an integrated offline switcher IC manufactured by Power Integrations. It typically comes in a DIP-8 package, with 8 pins. Its functions include primary-side regulation, thermal shutdown, and overvoltage protection, commonly used in low-power applications like adapters and chargers.
  • Manufacturer

    Power Integrations is the manufacturer of the TNY178PN. It is a semiconductor company specializing in power conversion technology. They design, manufacture, and sell high-performance, energy-efficient power integrated circuits used in a wide range of electronic devices. Their products are used in applications such as smartphones, computers, and home appliances.
  • Application Field

    The TNY178PN is commonly used in applications such as auxiliary power supplies, home appliances, power adapters, LED lighting, industrial controls, and charging devices. It is a highly efficient and reliable integrated switcher with low standby power consumption and excellent thermal performance.
  • Package

    The TNY178PN chip is packaged in a 5-pin TO-220. It is a compact, power integrated circuit used for switched-mode power supplies. The TO-220 package is a common type for power devices, featuring a heat sink tab for better thermal management.

We provide high quality products, thoughtful service and after sale guarantee

  • Product

    We have rich products, can meet your various needs.

  • quantity

    Minimum order quantity starts from 1pcs.

  • shipping

    Lowest international shipping fee starts from $0.00

  • guarantee

    365 days quality guarantee for all products

Ratings and Reviews

Please rate the product !
Please enter a comment

Please submit comments after logging into your account.



  • XC6204B502MR


    torex semiconductor

    **High-performance voltage regulation**: The XC620...

  • LTC2950ITS8-1


    analog devices inc.

    Supervisory circuits

  • EN5311QI-T



    Robust switching regulator design for demanding ap...

  • XC6204B252MR


    torex semiconductor

    XC6204B252MR is a SOT-23-5 packaged linear voltage...

  • KIA7805AF-RTF/P


    KEC Corporation

    Ideal for amplifying audio signals or driving smal...

  • ISPPAC-POWR1208P1-01TN44I



    Compact and powerful ISPPAC-POWR1208P1-01TN44I Lat...