# CRYSTAL UNIT HC-49/S SMD

## ELECTRICAL SPECIFICATIONS
· Holder Type: HC-49/S SMD
· Frequency Range: 3.579545—27.00MHz
· Load Capacitance: 10pF (series)
· Oscillation Mode: Fundamental
· Frequency Tolerance (25°C ±2°C): ±30PPM
· Drive Level: 0.5mW
· Operating Temperature: -10°C to +60°C
· Frequency Stability: ±30PPM
· Shunt Capacitance: 7pF max
· Aging: ±5PPM/year
· Insulation Resistance: >500MΩ @ DC 100V

## MECHANICAL SPECIFICATIONS
Terminal Strength Tests
· Lead Pulling: 907.2g downward force for 5 seconds - no distortion allowed.
· Lead Bending: 453.6g, 90° bend, 3 cycles, 3 seconds/cycle - no distortion allowed.
· Solderability: >95% uniform solder coating after 5-second dip in +230°C ±5°C solder.
Vibration Test
· Frequency: 10-55Hz
· Amplitude: 0.762mm
· Sweep: 1.0 minute
· Duration: 2 hours - Frequency & waveform within spec.
Drop Test
· Height: 30cm (onto hardwood)
· Drops: 3 - Frequency & waveform within spec.

## ENVIRONMENTAL SPECIFICATIONS
Temperature Tests
· Temperature Cycling: -55°C (30min) / +25°C (10-15min) / +85°C (30min) / +25°C (10-15min) x 3 cycles - Frequency & waveform within spec.
· Low Temperature: -20°C ±2°C for 96 hours – No staining, frequency & waveform within spec.
Other Tests
· Aging: +85°C ±20°C for 96 hours – Frequency deviation < ±3PPM
· Salt Spray: +35°C ±2°C for 48 hours, 5% NaCl – No staining.
· Humidity: +40°C ±2°C, 90-95% RH for 96 hours – Insulation resistance >500MΩ, resistance & waveform within spec.

## DIMENSIONS
· Height: 4.0mm