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.
IS281GB Real Image
Same model may have multiple batches, images only for reference.

IS281GB

Part No IS281GB
Manufacturer Isocom Components 2004 LTD
Catalog Optoisolators - Transistor, Photovoltaic Output
Description OPTOCOUPLER TRANS MINI-FLAT
Datasheet
IS281GB Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Manufacturer Isocom Components 2004 LTD
Packaging Reel
Number of Channels 1
Voltage - Isolation 3750Vrms
Current Transfer Ratio (Min) 100% at 5mA
Current Transfer Ratio (Maximum) 600% at 5mA
Rise / Fall Time (Typ) 5μs, 3μs
Input Type DC
Output Type Transistor
Maximum Output Voltage 80V
Current - Output / Channel 50mA
Voltage - Forward (Vf) (Typ) 1.2V
Current - DC Forward (If) (Maximum) 60mA
Vce Saturation (Maximum) 200mV
Temperature Range - Operating -55°C ~ 110°C
Mounting Style SMD
Manufacturer Package 4-SOIC
Manufacturer Pack Quantity 1,000
MSL Level 1 (Unlimited)
Popularity High
Supply and Demand Status Sufficient
Win Source Part Number 801250-IS281GB
Ultra Librarian 3D Model Ultra Librarian IS281GB CAD Model

Description

The IS281GB is a transistor output optocoupler from Isocom Components Ltd..

  • Package: 4-SOIC
  • Voltage - Isolation: 3750Vrms
  • Forward Voltage: 1.2V
  • Rise / Fall Time (Typ): 5μs, 3μs
  • Current - Output / Channel: 50mA
  • Current Transfer Ratio (Min): 100% @ 5mA
  • Operating Temperature: -55°C ~ 110°C
  • Maximum Output Voltage: 80V
  • Manufacturer Pack Quantity: 1,000
  • MSL level: 1 (Unlimited)

You May Also Be Interested in

TCLT1104 Real Image
TCLT1104
Vishay
OPTOISO 5KV TRANS W/BASE SOP-6L5
Lowest to $0.3678
TCLT1109 Real Image
TCLT1109
Vishay
OPTOISO 5KV TRANS W/BASE 6SOP
Lowest to $0.2640
4N26TVM Real Image
4N26TVM
Fairchild/ON Semiconductor
OPTOISO 4.17KV TRANS W/BASE 6DIP
Need more? Email Us
PS2732-1-F3-A Real Image
PS2732-1-F3-A
CEL
OPTOISOLATOR 2.5KV DARL 4SMD
Lowest to $0.6255
IS357 Real Image
IS357
Isocom Components 2004 LTD
OPTOISO 3.75KV TRANS MINI-FLAT
Lowest to $0.2053
HMA2701AR1 Real Image
HMA2701AR1
Fairchild/ON Semiconductor
OPTOISO 3.75KV TRANSISTOR 4SMD
Lowest to $0.2287
6N136SMT/R Real Image
6N136SMT/R
Isocom Components 2004 LTD
OPTOISO 5KV TRANS W/BASE 8SMD
Lowest to $0.2498
HCPL-354-000E Real Image
HCPL-354-000E
Broadcom Limited
OPTOISO 3.75KV TRANS 4MINIFLAT
Lowest to $0.2671
Picture of CNY17F-3-V
CNY17F-3-V
Everlight Electronics Co Ltd
OPTOISOLTR 5KV TRANSISTOR 6-DIP
Lowest to $3.6891

Top Sellers

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
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.0951
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
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
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $9.9790
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.8016

Pricing & Ordering

Quantity Unit Price Ext. Price
355+ $0.1421 $50.4455
860+ $0.1166 $100.2760
1,330+ $0.1129 $150.1570
1,830+ $0.1093 $200.0190
2,370+ $0.1057 $250.5090
3,170+ $0.0947 $300.1990
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 180,000 pieces
MOQ: 355 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