QuQarutzarCtzryCsrtyasl t aMl QJ5X-ESM63C actual size UM5-SMD Crystal Version 9.7 x 7.7 mm I automotive temperature range available I reflow soldering temperature: 260 °C max. I package height 3.6 mm max. RoHS 2011/65/EC RoHS compliant Pb free: pins / pads 0.5±0.1 0.5±0.1 3.75±0.1 7.7±0.1 General Data type frequency range MQ5 (UM5-SMC) 10.0 ~ 40.0 MHz ( fund. AT-cut ) 30.0 ~ 105.0 MHz ( 3rd OT AT-cut ) 50.0 ~ 175.0 MHz ( 5th OT AT-cut ) 70.0 ~ 250.0 MHz ( 7th OT AT-cu.