IS281BL is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Isocom Components 2004 LTD
In Stock: 0
Unit Price: $0.73000
Datasheet
Optoisolator Transistor Output 3750Vrms 1 Channel 4-SOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

IS281BL

DigiKey Part Number
58-IS281BLTR-ND - Tape & Reel (TR)
58-IS281BLCT-ND - Cut Tape (CT)
58-IS281BLDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
IS281BL
Description
OPTOISO 3.75KV 1CH TRANS 4-SOP
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Optoisolator Transistor Output 3750Vrms 1 Channel 4-SOP
Datasheet
 Datasheet
Product Attributes
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Category
Output Type
Transistor
Manufacturer
Isocom Components 2004 LTD
Voltage - Output (Max)
80V
Series
Current - Output / Channel
50mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Forward (Vf) (Typ)
1.2V
Part Status
Active
Current - DC Forward (If) (Max)
60 mA
Number of Channels
1
Vce Saturation (Max)
200mV
Voltage - Isolation
3750Vrms
Operating Temperature
-55°C ~ 110°C
Current Transfer Ratio (Min)
130% @ 5mA
Mounting Type
Surface Mount
Current Transfer Ratio (Max)
260% @ 5mA
Package / Case
4-SOIC (0.173", 4.40mm Width)
Rise / Fall Time (Typ)
5µs, 3µs
Supplier Device Package
4-SOP
Input Type
DC
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
IS281BIsocom Components 2004 LTD0IS281BTR-ND$0.73000Parametric Equivalent
In-Stock: 0
1,000 estimated in stock on 16-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.59000$0.59
10$0.41000$4.10
100$0.29630$29.63
500$0.24514$122.57
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.22834$228.34
2,000$0.21406$428.12
3,000$0.20673$620.19
5,000$0.19844$992.20
7,000$0.19351$1,354.57
10,000$0.18870$1,887.00
25,000$0.17807$4,451.75
50,000$0.17145$8,572.50
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.