Overview: .. SM Crystal Low Profile SM Resistance Weld Crystal
The HC49SD series is a miniature AT or BT cut strip resonator crystal housed in low profile for surface mounting. The parts present a proven metal package technology with a precision molded base and universal contact configuration. HC49SD Specifications:
Frequency Range: 3.2 MHz ~ 40 MHz Fundamental 20 MHz ~ 70 MHz Overtone Operating Temperature: 0°C ~ +50°C -10°C ~ +60°C -20°C ~ +70°C -40°C ~ +85°C Storage Temperature: Frequency Tolerance: (at 25°C) -55°C ~ +125°C ± 50 ppm ± 30 ppm ± 20 ppm ± 10 ppm Frequency Stability: (over temperature range) ± 50 ppm ± 30 ppm ± 20 ppm ± 10 ppm Circuit Condition: Equivalent Series Resistance: -50 -30 -20 -10 -50 -30 -20 -10 -A -B -C -L HC-49SD 10 pF ~ 32 pF or series Maximum resistance corresponds to frequency. Please see ESR table.