Advanced Crystal Technology ACT91
The ACT90 & 91are miniature surface mount Watch Crystal whose low power consumption makes them ideal for portable applications. The heart of the device is a heat resistant cylinder type crystal which gives them high stability characteristics sufficient to allow reflow soldering.| Part No. | ACT91 |
|---|---|
| Datasheet | ACT91 Download |
| Manufacturer |  Advanced Crystal Technology |
| Description | miniature surface mount Watch Crystal |
| Buy | Stock & Price |
Tel : Fax : email : 0044 (0)118 979 1238 0044 (0)118 979 1283 info@actcrystals.com ACT90 & 91CSMX Their size makes them suitable for high density circuit boards or applications where space is limited and the tape and reel packaging means that they are ideal for automatic placement machines. Parameter Nominal Frequency Frequency Tolerance @25°C Frequency v Temp Characteristics Turnover Temperature Freq. Temp. coefficient Temp Operating Range Temp Storage Range Q' Value Equivalent Series Resistance Shunt Capacitance Load Capacitance Motional Capacitance Capacitance Ratio Drive Level Insulation Resistance Aging (first year) Shock Resistance Reflow Soldering Condition DIMENSIONS (mm) Symbol fo Df/fo Df/fo Tm b Torp Tstg Q ESR Co CL C1 g DL IR Fa Tsol Specification 32.768KHz ±20ppm, ±50ppm & 100±ppm See drawing 25°C ±5°C (-3.5± 0.8) x 10-8/°C2 -40 ~ +85°C -55 ~ +125°C 40 x 103 min 50KΩ @ 25°C 1.0pF Typical 6 ~ 12.5pF 2.1fF Typical 450 Typical 1µ W max - 0.1µW recommended 500MΩ min ±5ppm max ±5ppm max (Dropped 3 times from 75cm onto 230°C max, 20 Sec.
