HMHA281R1
HMHA281R1
Obsolete
Description:  OPTOISO 3.75KV TRANSISTOR 4SMD
Manufacturer:  onsemi
Datasheet:   HMHA281R1 Datasheet
History Price: Obsolete
In Stock: 19700
HMHA281R1 Specification
Specification
Part No
HMHA281R1
Category
Optoisolators - Transistor, Photovoltaic Output Optoisolators
Manufacturer
onsemi
Series
-
Packaging
Tape & Reel (TR)
Status
Obsolete
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)
50% @ 5mA
Current Transfer Ratio (Max)
600% @ 5mA
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
3µs, 3µs
Input Type
DC
Output Type
Transistor
Voltage - Output (Max)
80V
Current - Output / Channel
50mA
Voltage - Forward (Vf) (Typ)
1.3V (Max)
Current - DC Forward (If) (Max)
50 mA
Vce Saturation (Max)
400mV
Operating Temperature
-55 ℃ ~ 100 ℃
Mounting Type
Surface Mount
Package / Case
4-SOIC (0.173", 4.40mm Width)
Supplier Device Package
4-Mini-Flat
HMHA281R1 PDF Datasheet
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  • Customer Reviews
    4.95 out of 5.00 stars from 153 customer reviews from all over the world
    Yago Santos Ferreira
    Brazil
    5 stars
    2026-03-31 06:15
    Always ask components from this seller. Very recommended.
    Michelle Flores
    United States
    5 stars
    2026-03-31 04:10
    100pcs ordered, 100pcs received. Sample tests good. Recommended!
    Anna Sørensen
    Denmark
    5 stars
    2026-03-31 03:29
    At last a place where the tl431 works as intended, took random 10 pcs of the 100 and testet in a circuit from datasheet all spot on 5.085v where it should be.
    Scott Hughes
    United States
    5 stars
    2026-03-30 22:45
    MXL7704-R3 as descried.
    Wojciech Nowak
    Poland
    5 stars
    2026-03-30 22:41
    rpi works like new
    Maria Clara
    Brazil
    5 stars
    2026-03-30 22:15
    Perfect for my Raspberry Pi