EURO QUARTZ CX3HSM CRYSTAL Miniature SMD Crystal for Series Oscillators 18kHz to 600kHz FEATURES Frequency Range 18kHz to 600kHz High shock resistance Low ageing Designed for low power applications Full MIL testing available OUTLINE & DIMENSIONS DESCRIPTION CX3HSM crystals consist of a high quality tuning fork resonator in a rugged, hermetically sealed ceramic package. CX3HSM crystals are intended for use in Series (two cascaded inverters) oscillator circuits. SPECIFICATION Specifications stated are typical at 25°C unless otherwise indicated. Specifications may change without notice. Frequency Range: 18.0kHz to 600.0kHz Standard Calibration Tolerance1: see table Motional Resistance (R1): Figure 1 Max = 18~25kHz, 2 x typical 25~600kHz, 2.5x typical Motional Capacitance (C1): Figure 2 Quality Factor (Q): Figure 3 Min. is 0.25x typical Shunt Capacitance (C0): 1.8pF max. Drive Level 18~24.9kHz: 1.5µW max. 25~600.0kHz: 3.0µW max. Turning Point (T0)2: Figure 4 Temperature Coefficient (k): -0.035ppm/°C2 Ageing, first year: 5ppm max. Shock, survival3: 1,500g, 0.3ms, ½ sine Vibration, survival3: 10g rms, 20~2000Hz Operating Temperature Range Commercial: -10° to +70°C Industrial: -40° to +85°C Military: -55 to +125°C Storage Temperature Range: -55° to +125°C Maximum Process Temperature: +260°C for 20 seconds 1. 2. 3. Tighter frequency calibration is available. Other turning point is available Higher shock and vibration survival is available Dim. H Glass Lid Ceramic Lid SM1 SM2 SM3 SM4 SM5 1.35 1.40 1.47 1.40 1.47 1.70 1.75 1.83 1.75 1.83 STANDARD CALIBRATION TOLERANCE Frequency Range (kHz) PACKAGING OPTIONS CX3HSM crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (EIA 418). 18~74.9 75~169.9 ±30ppm (0.003%) ±100ppm (0.01%) ±1000ppm (0.1%) ±50ppm (0.005%) ±100ppm (0.01%) ±1000ppm (0.1%) 170~249.9 ±100ppm (0.01%) ±200ppm (0.02%) ±2000ppm (0.2%) 250~600 ±200ppm (0.02%) ±500ppm (0.05%) ±5000ppm (0.5%) HOW TO ORDER CX3HSM CRYSTALS CX3H - S 'S' if special, custom design. Otherwise leave blank - C Blank = glass lid C = ceramic lid - SM1 - Terminations SM1 = Gold plated * SM2 = Solder plated SM3 = Solder dipped SM4 = Solder plated * SM5 = Solder dipped * * = Lead free 32.0K, Frequency K = kHz 30 / Calibration Tolerance @25°C (in ppm) I Temp. Range C = -10° ~ +70°C I = -40° ~ +85°C M = -55° ~ +125°C S = Customer specified EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk EURO QUARTZ CX3HSM CRYSTAL Miniature SMD Crystal for Series Oscillators CRYSTAL EQUIVALENT CIRCUIT R1 Motional Resistance C1 Motional Capacitance 18kHz to 600kHz FIGURE 1 CX3H Typical Motional Resistance R1 L1 Motional Inductance C0 Shunt Capacitance CONVENTIONAL SERIES OSCILLATOR CIRCUIT FIGURE 2 CX3H Typical Motional Capacitance C1 FIGURE 3 CX3H Typical Quality Factor (Q) FIGURE 4 CX3H Typical Turning Point Temperature (To) Turning Point Temperature Note: Frequency f at temperature T is related to frequency F0 at turning point temperature To by: f-fo =k(T-To)2 fo EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk