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| Categories | Crystal Filter | 
|---|---|
| Brand Name: | HANSEJOHN | 
| Model Number: | HM21M15C M. C. F. [ Monolithic Crystal Filters ] | 
| Certification: | Rohs,ISO | 
| Place of Origin: | wuxi | 
| MOQ: | 100 | 
| Price: | $1.8-20/pcs | 
| Payment Terms: | MoneyGram, Western Union | 
| Supply Ability: | 200000pcs per month | 
| Delivery Time: | 25 day | 
| Packaging Details: | In standard export packing as per manufacturer | 
| Number of poles: | 1 | 
| Center frequency: | 21.4Mhz | 
| Bandwidth(3dB): | +/-7.5khzMIN | 
| Bandwidth(45dB): | +/-17.5khz MAX | 
| (fo±1000KHz) Stop Band Attenuation: | 65dB | 
| Ripple (f0±2khz): | 2.0dB | 
| Insertion Loss (At minimum loss point: | 3.0dB | 
| Temperature Stability (-20℃~ +80℃ ): | ±0.5% max (-25℃ ~ +80℃) | 
| Operating Temperature: | -20℃ ~ +80℃ | 
| Storage Temperature: | -40℃ ~ +85℃ | 
| Terminating impedance: | 3.3kΩ//0pF | 
| Spurious characteristics: | ------- | 
| Stop bandwidth(65dB): | 25Khz MAX | 
| Company Info. | 
| hanse-john electronic Co.,Ltd. | 
| View Contact Details | 
| Product List | 
| 1. | (Model ): | HM21M15c | |
|---|---|---|---|
| 2. | (Nominal Center Frequency): | 21.40MHz | |
| 3. | (Pass Band Width at 3dB): | ≥7.5kHz | |
| 4. | (Ripple in Pass Band Width): | ≤2.0dB | |
| 5. | (Insertion Loss): | ≤3.0dB | |
| 6. | (Stop Band Width ):@45dB | 17.5kHz MAX | |
| Stop Band Width:@65dB | 25Khz MAX | ||
| 7. | (Guaranteed Attenuation): | ≥65dB(+/-300KHZ) | |
| 8. | (Terminating Impedance):3.3kΩ//0pF | ||
| 9. | (Input level): | 0~15dBm | |
| 10. | (Operating Temperature Range): | -20℃~+70℃ | |
| 11. | Package type | U3 | 







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