Part Number: SC648M vs SC648DR

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Part Number: SC648M SC648DR
Manufacturer: Mallory Sonalert Products Inc. Mallory Sonalert Products Inc.
Description: AUDIO PIEZO IND 10-48V PNL MNT AUDIO PIEZO IND 10-48V PNL MNT
Quantity Available: Available Available
Datasheets: - -
Factory Lead Time 6 Weeks 4 Weeks
Mount Flush, Panel Flush, Panel
Mounting Type Panel Mount Panel Mount
Operating Temperature -40°C~85°C -30°C~65°C
Packaging Bulk Bulk
Series SC SC
Published 2003 2005
Size / Dimension 1.692Dia 42.98mm 1.692Dia 42.98mm
Part Status Active Active
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Termination Screw Terminal, Quick Connect Tab - 0.250 (6.35mm) Screw Terminal, Quick Connect Tab - 0.250 (6.35mm)
Max Operating Temperature 85°C 65°C
Min Operating Temperature -40°C -30°C
Voltage - Rated DC 10V 10V
Technology Piezo Piezo
Current Rating 20mA 20mA
Frequency 2.9kHz 1.9kHz
Operating Supply Current 20mA 20mA
Operating Mode Single Tone Single Tone
Input Type DC DC
Current - Supply 5mA~20mA 4mA~20mA
Voltage Range 10V~48V 10V~48V
Port Location Top Top
Sound Pressure Level (SPL) 71dB @ 10V, 61cm 60dB @ 10V, 61cm
Driver Circuitry Indicator, Internally Driven Indicator, Internally Driven
Diameter 42.85mm 43mm
Height 32.6mm 32.9mm
Height Seated (Max) 1.330 33.77mm 1.330 33.77mm
RoHS Status Non-RoHS Compliant ROHS3 Compliant
Lead Free Lead Free Lead Free
Color - Black
Approval Agency - cUL, UL
Max Supply Voltage - 48V
Min Supply Voltage - 10V
Self Resonant Frequency - 1.9kHz
REACH SVHC - Unknown
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