Product Overview
The HSX221SR is a high-precision quartz crystal unit designed for various electronic applications. Manufactured by Harmony Electronics Corp., this crystal offers stable frequency performance with tight tolerances and a wide operating temperature range. It is suitable for applications requiring reliable frequency generation and stability.
Product Attributes
- Brand: HARMONY ELECTRONICS CORP.
- Model: HSX221SR
- Country of Origin: TAIWAN
- Manufacturing Facilities: TAIWAN, THAILAND, CHINA
- Moisture Sensitivity Level: Level 1
- Holder Type: HSX221SR
- Holder Construction: Seam type
- Base Material: Alumina Ceramic (Al2O3)
- Metallized Pad Material: Ni Plating, Au Plating
- Lid Material: Fe-Ni-Co
- Crystal Blank Type: Rectangular At-Cut Quartz Crystal Blank
- Adhesive Material: Silver Conductive Silicon Resin
- Cover Ring Material: Fe-Ni-Co Alloy
- Thermistor Resistance: 100K1%
- Thermistor B-constant: 4250K1%
- Tape Material: Carrier tape PS, Conductive Top tape Polyester
Technical Specifications
| Specification | Value |
|---|---|
| Nominal Frequency | 26.000000MHz |
| Frequency Tolerance | +/-10 ppm at 25C +/-3C |
| Equivalent Resistance | 30 ohms Max. / SERIES |
| Storage Temperature Range | -40C To +85C |
| Operable Temperature Range | -30C To +85C |
| Temperature Drift | +/-10ppm from -25C To +85C |
| Loading Capacitance (CL) | 7.0 pF |
| Drive Level | 10 W (100W Max) |
| Shunt Capacitance | 2.0 pF |
| Insulation Resistance | More than 500M ohms at DC 100V |
| Mode of Oscillation | Fundamental |
| Shock Test Variation (Frequency) | Less than +/-5 ppm |
| Shock Test Variation (Resistance) | Less than +/-15 % or 2ohms max. |
| Aging (First Year) | +/-1ppm max. |
| Aging (Second Year) | +/-1.5ppm max. |
| Aging (After 5 Years) | +/-2.5ppm max. |
| Aging (After 10 Years) | +/-5ppm max. |
| Spurious Mode Series Resistance | within 0.5K ohms (Min) |
| Tuning Sensitivity (TS) | 28+/-10% ppm/pF |
| DLD Spec. | 10nW ~ 100uW, step ratio is 10 |
| DLD2 | 2.5 ohm Max. |
| DLDH2 | 1.5 ohm Max. |
| FDLD | 2 ppm Max. |
| FDLDH | 0.7 ppm Max. |
| S curve 1st order coefficient | -0.1 ~ -0.35 |
| S curve 2nd order coefficient | -0.0005 ~ -0.0012 |
| S curve 3rd order coefficient | 0.000087 ~ 0.00011 |
| Freq. slope error (-10C ~ 60C) | 0.05ppm |
| Freq. slope error (-30C ~ 85C) | 0.1ppm |
| Freq. perturbation | within 0.5 ppm |
| Full cycle temperature hysteresis | 0.5ppm Max. |
| Small cycle temperature hysteresis | 0.05ppm Max. |
| Marking | Logo, Nominal Frequency, Manufactured year & month (Laser marking) |
| Standard Packing Quantity | 3,000PCS / REEL |
| Mechanical Endurance - Natural Drop | Dropping from 120 cm height 3 times on Concrete floor |
| Mechanical Endurance - Vibration | Frequency 10-55Hz, Sine Wave full amplitude of 0.8mm to X, Y and Z 3 axes, Duration of 2 hours to each axis. |
| Mechanical Endurance - Sealing Tightness | Leak Rate 1.0x10-8 Pa-m3/sec. Max. (Helium leak detector) |
| Mechanical Endurance - Solderability | After applying ROSIN Flux, dipping in solder bath at 245C+/-5C for 3+/-0.5 sec. |
| Environmental Endurance - Humidity | 60C +/-2C, RH 90~95%, Duration of 240 hours. |
| Environmental Endurance - Storage in Low Temperature | -40C +/-2C, Duration of 240 hours. |
| Environmental Endurance - Storage in High Temperature | +85C +/-2C, Duration of 240 hours. |
| Environmental Endurance - Temperature Cycles | -40C +/-2C (30min) +85C +/-2C (30min), 25 cycles. |
| Soldering Reflow Condition | Preheat: 160~180C (120sec), Primary heat: 220C (60sec), Peak: 260C (10sec) Max. |
| Solder Iron Condition | Bit temp.: 350C max., Time: 3sec max. , Each terminal solder a 1 time max. |
2410121322_HELE-X2R026000BZ1HZ-DEHPZ_C254318.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible