IS281B
IS281B
Active
Description:  OPTOCOUP TRANS 4SMD
Manufacturer:  Isocom Components
Datasheet:   IS281B Datasheet
History Price: $0.62
In Stock: 30200
IS281B Specification
Specification
Part No
IS281B
Category
Optoisolators - Transistor, Photovoltaic Output Optoisolators
Manufacturer
Isocom Components
Series
-
Packaging
Tape & Reel (TR)
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Number of Channels
1
Voltage - Isolation
3750Vrms
Current Transfer Ratio (Min)
130% @ 5mA
Current Transfer Ratio (Max)
260% @ 5mA
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
5µs, 3µs
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
80V
Current - Output / Channel
50mA
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
60 mA
Vce Saturation (Max)
200mV
Operating Temperature
-55 ℃ ~ 110 ℃
Mounting Type
Surface Mount
Package / Case
4-SOIC (0.173", 4.40mm Width)
Supplier Device Package
-
IS281B PDF Datasheet
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  • Customer Reviews
    4.95 out of 5.00 stars from 58 customer reviews from all over the world
    Inès Marchal
    France
    5 stars
    2026-03-18 13:30
    Not tested yet, but the product with the right marking. Very serious packaging (a piece of tray). Thank you
    Clara Beatriz
    Spain
    5 stars
    2026-03-18 12:10
    They all work well. This time the package has taken a little longer than normal to arrive.
    Sarah Moore
    United States
    5 stars
    2026-03-18 10:59
    I arrive just in time and mui well packed fast exelent seller
    Zuleica
    Brazil
    5 stars
    2026-03-18 02:07
    Very good seller arrived on marked
    Tânia Maria Santos
    Brazil
    5 stars
    2026-03-17 22:56
    As in pictures not be used all now but whereas using, will evaluate the possibility of a new purchase
    Gabriel Dupont
    France
    5 stars
    2026-03-17 05:43
    Very neat parcel-conform to the description-very good.