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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±20ppm
Operating Temperature:
-
Load Capacitance:
12pF
Frequency:
25MHz
Mfr. Part #:
7B025000M01
Package:
SMD3225-4P
Key Attributes
Model Number:
7B025000M01
Product Description
Product Overview
This specification applies to the RoHS compliant quartz crystal unit with a frequency of 25MHz, designed for crystal oscillator applications. It features a SMD3225-4 crystal resonator construction.
Product Attributes
- Brand: JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD
- Model: SMD3225-4
- Origin: China
- Certifications: RoHS compliant
Technical Specifications
| Item | Value | Unit | Notes |
| Nominal Frequency | 25 | MHz | Fundamental mode |
| Load Capacitance | 12 | pF | |
| Frequency Tolerance | ±10 | ppm | |
| Frequency Temperature Stability | ±20 | ppm | |
| Resonance Resistance | 25 | ohms | Max |
| Shunt Capacitance | 2 | pF | Max |
| Drive Level | 100 | µW | Max |
| Operating Temperature Range | -20 to +70 | °C | |
| Storage Temperature Range | -55 to +125 | °C | |
| Insulation Resistance | >500 | M ohms | |
| Aging | ±3 | ppm/Year | Max |
| Type of Quartz Resonator | SMD3225-4pads |
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 | +40±2°C & 90%~95% R.H. 250 hours | Frequency change:≤±5ppm Rr as specification |
| Low temperature characteristics | -40±2°C, 250 hours, put in room temperature, test after 1 hours. | Frequency change:≤±5ppm Rr as specification |
| High temperature characteristics | +85±2°C, 250 hours, put in room temperature, test after 1 hours. | Frequency change:≤±5ppm Rr as specification |
| Temperature cycling | -30±3°C/30±3 min~+85±2°C/30±3min, 5 cycles | Frequency change:≤±5ppm Rr as specification |
| Refluence examination | Frequency change:≤±5ppm Rr as specification |
Dimensions
| Dimension | Value (mm) |
| Length | 3.20 ± 0.10 |
| Width | 2.50 ± 0.10 |
| Height | 0.70 MAX |
| Pad Size 1/2 | 1.2 ± 0.10 |
| Pad Size 3/4 | 0.7 ± 0.10 |
| Pitch 1-2 / 3-4 | 0.65 ± 0.10 |
| Pitch 1-3 / 2-4 | 0.9 ± 0.10 |
Packing Specification
| Item | Value |
| Quantity per Reel | 3000Pcs |
2411121141_HD-7B025000M01_C654997.pdf
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