EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
TOP221GN Real Image
Same model may have multiple batches, images only for reference.

TOP221GN

Part No TOP221GN
Manufacturer Power Integrations
Catalog PMIC - AC DC Converters, Offline Switchers
Description Three-terminal Off-line PWM Switch | IC OFFLINE SWIT PWM OCP HV 8SMD
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Power Integrations
Packaging Tube
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Boost, Buck, Flyback, Forward
Duty Cycle 67%
Switching Frequency 100kHz
Power (W) 9W
Fault Protection Current Limiting, Over Temperature
Temperature Range - Operating -40°C ~ 150°C
Manufacturer Package 8-SMD, Gull Wing
Supplier Device Package 8-SMD
Mounting Style SMT
Manufacturer Pack Quantity 50
MSL Level 4 (72 Hours)
Win Source Part Number 1271584-TOP221GN
Manufacturer Homepage www.powerint.com
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian TOP221GN CAD Model

Description

The Power Integrations 1271584-TOP221GN is a boost, buck, flyback, and forward topology integrated circuit with an output isolation feature.

  • Internal Switch: Yes
  • Voltage Breakdown: 700V
  • Package: 8-SMD gull-wing
  • Switching Frequency: 100kHz
  • Duty Cycle: 67%
  • Fault Protection: Current limiting and over-temperature protection
  • Operating Temperature Range: -40°C to 150°C
  • Power: 9W
  • Ideal for: various electronic applications

You May Also Be Interested in

LNK3604G-TL Real Image1
LNK3604G-TL
Power Integrations
IC OFFLINE SWITCH FLYBACK 8SMD / Converter Offline Flyback Topology 132kHz SMD-8C
Lowest to $2.3459
NCP13992AWDR2G ON Semiconductor
NCP13992AWDR2G
ON Semiconductor
HIGH PERF CURRENT MODE RESONANT
Lowest to $4.1785
NCP11187A065PG ON Semiconductor
NCP11187A065PG
ON Semiconductor
IC OFFLINE SWITCH FLYBACK 7DIP
Lowest to $3.8611
NCP1399ATDR2G ON Semiconductor
NCP1399ATDR2G
ON Semiconductor
IC OFFLINE SW HALF-BRDG 16SOIC
Lowest to $2.0583
Picture of NCP10672BD100R2G
NCP10672BD100R2G
ON Semiconductor
IC OFFLINE SWITCH MULT TOP 8SOIC
Lowest to $2.9324
HF01B01DP-LF Monolithic Power Systems Inc.
HF01B01DP-LF
Monolithic Power Systems Inc.
IC OFFLINE SWITCH FLYBACK 8DIP / Converter Offline Flyback Topology Up to 150kHz 8-PDIP-7B
Need more? Email Us
NCP1071STBT3G ON Semiconductor
NCP1071STBT3G
ON Semiconductor
IC OFFLINE SWITCH FLYBACK SOT223 / Converter Offline Flyback Topology 100kHz SOT-223 (TO-261)
Lowest to $3.3403
NCP1076BAP065G ON Semiconductor
NCP1076BAP065G
ON Semiconductor
IC OFFLINE SWITCH FLYBACK 8DIP
Lowest to $1.5356
VIPER114HSTR STMicroelectronics
VIPER114HSTR
STMicroelectronics
IC OFFLINE SW MULT TOP 10SSOP
Lowest to $1.0043

Top Sellers

ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.6918
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $19.0076
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.2640
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.2767
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.8018
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071

Pricing & Ordering

Quantity Unit Price Ext. Price
30+ $1.9589 $58.7670
75+ $1.6078 $120.5850
115+ $1.5569 $179.0435
155+ $1.5073 $233.6315
200+ $1.4565 $291.3000
270+ $1.3063 $352.7010
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 17,000 pieces
MOQ: 30 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess