PM1204
AC Power Switch
INTEGRATED
CIRCUITS
DIVISION
Description
Parameter
AC Operating Voltage
Rating
120
Units
Vrms
The PM1204 is an AC Solid State Switch using optical
coupling with dual power SCR outputs to produce
an alternative to optocoupler and Triac circuits. The
PM1204 switches are robust enough to provide a
blocking voltage of up to 400VP. In addition, tightly
controlled zero-cross circuitry ensures switching of
AC loads without the generation of transients. The
input and output circuits are optically coupled to
provide 3750Vrms of isolation and noise immunity
between control and load circuits. As a result, the
PM1204 is well suited for industrial environments
where electromagnetic interference could disrupt the
operation of electromechanical relays.
Load Current
500
mArms
Vrms
On-State Voltage Drop
1.4
(IL=500mArms
)
Features
• Load Current up to 0.5Arms
• Blocking Voltages up to 400VP
• 5mA Sensitivity
• Zero-Crossing Detection
• DC Control, AC Output
• Optically Isolated
• Low EMI and RFI Generation
• High Noise Immunity
• VDE compatible
Approvals
• UL Recognized Component: UL 508 File E69938
• CSA Certified Component: File 043639
• Flammability Rating UL 94 V-0
Applications
• Programmable Control
• Process Control
• Power Control Panels
• Remote Switching
• Gas Pump Electronics
• Contactors
Ordering Information
Part #
PM1204
Description
6-Lead DIP (50/Tube)
PM1204S
PM1204STR
6-Lead Surface Mount (50/Tube)
6-Lead Surface Mount (1000/Reel)
• Large Relays
• Solenoids
• Motors
Pin Configuration
• Heaters
1
6
5
4
+ LED
AC Load
AC Load
ZC
2
– LED
3
1
DS-PM1204-R12
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