1. General Description

️· Type: Miniature Surface Mount Relay (likely for electronics)
️· Manufacturer: Tyco Electronics / TE Connectivity
️· Contact Arrangement: 2 Form C (DPDT - Double Pole Double Throw)
️· Key Features: Relatively small size, designed for surface mounting, available with different coil voltage options (SMGS, SMGSD, SMGSDD series)

2. Electrical Characteristics

️· Contact Ratings:
- 1.0A @ 28VDC (Resistive Load) - 100,000 operations
- 250mA @ 115VAC/400Hz (Resistive Load, case not grounded) - 100,000 operations
- 100mA @ 115VAC/400Hz (Resistive Load) - 100,000 operations
- 0.2A @ 28VDC (Inductive Load - 0.32 Henry) - 100,000 operations
- 0.1A @ 28VDC (Lamp Load) - 100,000 operations
️· Low-Level Contact Data: 30µA @ 50mVDC – 1,000,000 operations.
️· Intermediate Current Contact Data: 0.1A @ 28VDC – 50,000 operations

3. Coil Data (Varies by Series - SMGS, SMGSD, SMGSDD)

The text provides tables for coil data for each of the series, but it's crucial to select the correct series based on the desired coil voltage. Here's a summarized view. Note: You must refer to the full tables in the original document for complete coil specifications.

️· SMGS Series: Coil voltages listed including 5.0V, 6.0V, 9.0V, 12.0V, 18.0V, 26.5V, 36.0V, and 48.0V.
️· SMGSD Series: Coil voltages similar to SMGS.
️· SMGSDD Series: Coil voltages similar to SMGS and SMGSD.
️· Key Coil Parameters (generally):
- Nominal Coil Voltage
- Coil Resistance (in Ohms)
- Pickup Voltage (minimum voltage for the relay to engage)
- Drop-out Voltage (minimum voltage for the relay to disengage)
- Coil Current (maximum current drawn by the coil)
- Coil Power (power consumption of the coil)

4. Timing & Mechanical Characteristics

️· Operate Time: 4.0ms (maximum)
️· Release Time: SMGS: 2.0ms; SMGSD/SMGSDD: 7.5ms (maximum)
️· Contact Bounce: 1.5ms (maximum)
️· Mechanical Life Expectancy: 1,000,000 operations
️· Dielectric Strength (Insulation): 500Vrms (between open contacts, adjacent contacts, and coil)
️· Insulation Resistance: 10,000 MΩ minimum (coil to case), 1,000 MΩ minimum (case to other components).

5. Environmental Characteristics

️· Operating Temperature Range: -65°C to +125°C
️· Vibration Resistance: 10-3000 Hz
️· Shock Resistance: 6G (maximum)

6. Semiconductor Characteristics (Coil Diode)

️· Peak Inverse Voltage (PIV): 100VDC
️· Transient Voltage: 1.0VDC (maximum)

7. Ordering Information & Part Numbering

️· Example Part Number: SMGS-26 (This indicates a specific relay within the SMGS series. Consult the full datasheet for all possible options.)

Important Considerations:

️· Full Datasheet: This summary is derived from the provided text. Always refer to the complete Tyco Electronics/TE Connectivity datasheet for the specific relay model to ensure accurate specifications and application guidelines.
️· Coil Voltage Selection: Carefully select the correct coil voltage for your application.
️· Application Notes: Consult Tyco Electronics/TE Connectivity application notes for guidance on relay selection and usage.