2 Pole Miniature
Power PC Board Relay
Appliances, Audio Equipment, Office Machines
UL File No. E82292
CSA File No. LR48471
SEMKO File No. 9452086 (available for DM5)
TUV File No. R9551879 (available for DM5)
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that user also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
• Meet UL TV-3 and CSA TV-4 rating available for DM5 type.
• 2 Form A contact arrangements.
• Immersion cleanable, sealed version available.
• Meet 3,000V dielectric voltage between coil and contacts.
• Meet 5,000V surge voltage between coil and contacts (1.2 / 50µs).
Contact Data @ 20°C
Arrangements: 2 Form A (DPST-NO).
Material: Ag-GS Alloy (DM3) and AgSnO (DM5).
Max. Switching Rate: 300 ops./min. (no load).
30 ops./min. (rated load).
Expected Mechanical Life: 10 million operations (no load).
Expected Electrical Life: 100,000 operations (rated load).
OSA-DM3: 1mA @ 1VDC.
OSA-DM5: 100mA @ 5VDC.
Initial Contact Resistance: 50 milliohms @ 1A, 6VDC.
Ratings: OSA-DM3: 3A @ 120VAC resistive,
3A @ 24VDC resistive,
OSA-DM5: 5A @ 240VAC resistive,
5A @ 30VDC resistive,
TV-3 @ 120VAC Tungsten (UL),
TV-4 @ 120VAC Tungsten (CSA).
Max. Switched Voltage:
OSA-DM3: AC: 240V.DC: 50V.
OSA-DM5: AC: 250V.DC: 30V.
Max. Switched Current: 5A
Max. Switched Power:
Initial Dielectric Strength
Between Open Contacts: 1,000VAC 50/60 Hz. (1 minute).
Between Coil and Contacts: 3,000VAC 50/60 Hz. (1 minute).
Surge Voltage Between Coil and Contacts: 5,000V (1.2 / 50µs).
Initial Insulation Resistance
Between Mutually Insulated Elements: 1,000M ohms min. @ 500VDC.
Voltage: 5 to 48VDC.
Nominal Power: 540 mW
Coil Temperature Rise: 50°C max., at rated coil voltage.
Max. Coil Power: 130% of nominal.
Duty Cycle: Continuous.
Dimensions are shown for
470 reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
Coil Data @ 20°C
(ohms) ± 10%
Must Operate Must Release
Must Operate Voltage: 75% of nominal voltage or less.
Must Release Voltage: 10% of nominal voltage or more.
Operate Time:20 ms max.
Release Time: 10 ms max.
Operating:-30°C to +60°C
Vibration, Mechanical: 10 to 55 Hz., 1.5mm double amplitude
Operational: 10 to 55 Hz., 1.5mm double amplitude.
Shock, Mechanical: 1,000m/s2 (100G approximately).
Operational: 100m/s2 (10G approximately).
Operating Humidity: 20 to 85% RH. (Non-condensing).
Termination: Printed circuit terminals.
Enclosure (94V-0 Flammability Ratings):
OSA-SS: Vented (Flux-tight) plastic cover.
OSA-SH: Sealed plastic case.
Weight: 0.46 oz (13g) approximately.
Specifications and availability
subject to change.
Refer to inside back cover.