SMD3225-4 Crystal Resonator
This specification applies to the RoHS compliant quartz crystal unit with a frequency of 27MHz, designed for crystal oscillator applications. The SMD3225-4 is a surface-mount device (SMD) type quartz resonator.
Product Attributes
- Brand: JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD
- Origin: China (implied by company name and location)
- Certifications: RoHS compliant
Technical Specifications
| Item | Nominal Frequency (f) | Load Capacitance (CL) | Frequency Tolerance (f/f) | Frequency Temperature Stability | Resonance Resistance (ohm) | Oscillation Mode | Shunt Capacitance (C0) | Drive Level (DL) | Operating Temperature Range (TOPR) | Storage Temperature Range (TSTG) | Insulation Resistance (IR) | Aging (fA) |
| SMD3225-4 | 27MHz | 12pF | 10ppm | 20ppm | 25 ohms Max | Fundamental mode | 2pF Max | 100W Max | -20 to +70C | -55 to +125C | 500M ohms | 3ppm/Year Max |
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 |
Dimensions
Units:mm
Bottom View
Length: 3.20 0.10
Width: 2.50 0.10
Height: 0.70 MAX
Pad 1: 1.20.10
Pad 2: 0.70.10
Pad 3: 0.65 0.10
Pad 4: 0.9 0.10
Internal View
CRYSTAL
GND
Packing Specification
Qty:3000Pcs
2411121141_HD-7B027000M01_C655006.pdf
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