Data Sheet
HCPL-354
AC Input Phototransistor Optocoupler
SMD Mini-Flat Type
Description
Features
The Broadcom® HCPL-354 contains a phototransistor,
optically coupled to two LEDs connected inverse parallel. It
can operate directly by AC input current. It is packaged in a
4-pin mini-flat SMD package with a 2.0-mm profile. The
small dimension of this product allows significant space
savings. The package volume is 30% smaller than that of
conventional DIP type. Input-output isolation voltage is
3750 Vrms. Response time, tr, is typically 4 µs and minimum
CTR is 20% at input current of ±1 mA.
Functional Diagram
1
4
2
3
Applications
1. ANODE, CATHODE
2. CATHODE, ANODE
3. EMITTER
4. COLLECTOR
AC input response
Current transfer ratio
(CTR: min. 20% at IF = ± 1 mA, VCE = 5V)
Isolation voltage between input and output
(Viso = 3,750 Vrms)
Subminiature type
(The volume is smaller than that of conventional DIP
type by as far as 30%)
Mini-flat package
2.0 mm profile
UL approved
CSA approved
IEC/EN 60747-5-5 approved
Options available:
– IEC/EN 60747-5-5 approvals (060)
Detecting or monitoring AC signals
Programmable controllers
AC/DC-input modules
AC line/digital logic isolation
CAUTION! Take normal static precautions in handling and assembly of this component to prevent damage and/or
degradation that might be induced by electrostatic discharge (ESD). The components featured in this data
sheet are not to be used in military or aerospace applications or environments. The components are not
AEC-Q100 qualified and not recommended for automotive applications.
Broadcom
AV02-0775EN
November 12, 2021
HCPL-354 Data Sheet
AC Input Phototransistor Optocoupler SMD Mini-Flat Type
Ordering Information
HCPL-354 is UL Recognized with 3750 Vrms for 1 minute per UL1577 and is approved under CSA Component Acceptance
Notice #5, File CA 88324.
RoHS Compliant Option
Part Number
HCPL-354
Rank '0’
20%
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