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Specifications
Normal temperature Frequency Tolerance:
±20ppm
Frequency Stability:
±20ppm
Load Capacitance:
7pF
Operating Temperature:
-
Frequency:
32.768kHz
Mfr. Part #:
7N032768CW2
Package:
SMD3215-2P
Key Attributes
Model Number:
7N032768CW2
Product Description
Product Overview
This specification applies to the RoHS compliance quartz crystal unit with a frequency of 32.768KHz, designed for use in crystal oscillator applications. The unit is a SMD3215-2pads type.
Product Attributes
- Brand: HD-CRYSTAL
- Origin: JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD
- Certifications: RoHS
Technical Specifications
| Item | Value | Unit | Condition/Notes |
|---|---|---|---|
| Type of Quartz Resonator | SMD3215-2pads | ||
| Nominal Frequency | 32.768 | KHz | |
| Load Capacitance | PF | ||
| Frequency Tolerance at 25 | ppm | 20 | |
| Frequency Temperature Stability | -0.04* 10-6/2 | Max | |
| Series Resistance | 70 | K | Max |
| Quality Factor | 60 | K | TYP |
| Turnover Temperature | 25 | 5 | |
| Operation Temperature | -40 to +85 | ||
| Preservation Temperature | -55 to +125 | ||
| Shunt Capacitance | 0.8 | PF | Typical |
| Insulation Resistance | 500 | M | at DC 100V10V |
| Drive Level | 0.5 | W | Max |
| Mode of Vibration | +2X-cut , Fundamental | ||
| Capacitance Ratio | 500 | Typical |
Reliability Specification
| Item | Condition | Standard |
|---|---|---|
| Drop characteristics | Free drop from 75cm height on a hard wooden board for 3 times. (Board is thickness more than 30 mm.) | Frequency change:5ppm, Rr as specification |
| Mechanical shock | Device are shocked to half sine wave (1000g) three mutually perpendicular axes each 3 times | Frequency change:5ppm, Rr as specification |
| Shake characteristics | Shake frequency 10~55Hz, cyc1~2 minutes, swing 1.5mm, direction x/y/z, all 30 minutes, test after 1 hours. | Frequency change:5ppm, Rr as specification |
| Humidity characteristics | +402 & 90%~95% R.H. 250 hours | Frequency change:5ppm, Rr as specification |
| Low temperature characteristics | -402, 250 hours, put in room temperature, test after 1 hours. | Frequency change:5ppm, Rr as specification |
| High temperature characteristics | +852, 250 hours, put in room temperature, test after 1 hours. | Frequency change:5ppm, Rr as specification |
| Temperature cycling | -303/303 min~+852/303min, 5 cycles | Frequency change:5ppm, Rr as specification |
| Refluence examination | Frequency change:5ppm, Rr as specification |
2409302201_HD-7N032768CW2_C655074.pdf
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