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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±20ppm
Operating Temperature:
-
Load Capacitance:
20pF
Frequency:
25MHz
Mfr. Part #:
7B025000R01
Package:
SMD3225-4P
Key Attributes
Model Number:
7B025000R01
Product Description
Product Overview
This specification applies to the RoHS compliant quartz crystal unit with a frequency of 25MHz, designed for crystal oscillator applications. The SMD3225-4 crystal resonator offers reliable performance in various environmental conditions.
Product Attributes
- Brand: JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD
- Model: SMD3225-4
- Type: SMD3225-4pads Quartz Resonator
- Certifications: RoHS compliant
Technical Specifications
| Item | Nominal Frequency (f) | Load Capacitance (CL) | Frequency Tolerance (f/f) | Frequency Temperature Stability | Resonance Resistance (ohm) | Osc mode | Shunt Capacitance (C0) | Drive Level (DL) | Operating Temperature Range (TOPR) | Storage Temperature Range (TSTG) | Insulation Resistance (IR) | Aging (fA) |
| SMD3225-4 | 25MHz | 20pF | 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. | 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 and Connections
Units:mm
| Dimension | Value |
| Length | 3.20 0.10 |
| Width | 2.50 0.10 |
| Height | 0.70 MAX |
| Pin Pitch 1-2 | 1.20.10 |
| Pin Pitch 2-3 | 0.70.10 |
| Pin Pitch 3-4 | 1.20.10 |
| Pin Pitch 4-1 | 0.65 0.10 |
| Pin Width 1-2 | 0.9 0.10 |
| Pin Width 3-4 | 1.4 |
| Other Pin Width | 0.8 |
Internal View & Connection: Pin 1: CRYSTAL, Pin 2: CRYSTAL, Pin 3: GND, Pin 4: GND
Bottom View: Pin 1: CRYSTAL, Pin 2: CRYSTAL, Pin 3: GND, Pin 4: GND
Packing Specification
Quantity: 3000Pcs
2411121141_HD-7B025000R01_C654999.pdf
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