hanse-john electronic Co.,Ltd.
| 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) | +/-6.0khz |
| Bandwidth(20dB) | +/-23khz |
| (fo±1000KHz) Stop Band Attenuation | 20dB |
| Ripple （f0±2khz） | 0.5dB |
| Insertion Loss （At minimum loss point | 1.5dB |
| Temperature Stability （－20℃～ +80℃ ） | ±0.5% max (-25℃ ～ +80℃) |
| Operating Temperature | -20℃ ～ +80℃ |
| Storage Temperature | -40℃ ～ +85℃ |
| Terminating impedance | 2.5kΩ//2.5pF |
| Spurious characteristics | ------- |
| Stop bandwidth(90dB) | --------- |
| Brand Name | HANSEJOHN |
| Model Number | HM21M12A M. C. F. [ Monolithic Crystal Filters ] |
| Certification | Rohs，ISO |
| Place of Origin | wuxi |
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Product Specification
| 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) | +/-6.0khz | Bandwidth(20dB) | +/-23khz |
| (fo±1000KHz) Stop Band Attenuation | 20dB | Ripple （f0±2khz） | 0.5dB |
| Insertion Loss （At minimum loss point | 1.5dB | Temperature Stability （－20℃～ +80℃ ） | ±0.5% max (-25℃ ～ +80℃) |
| Operating Temperature | -20℃ ～ +80℃ | Storage Temperature | -40℃ ～ +85℃ |
| Terminating impedance | 2.5kΩ//2.5pF | Spurious characteristics | ------- |
| Stop bandwidth(90dB) | --------- | Brand Name | HANSEJOHN |
| Model Number | HM21M12A M. C. F. [ Monolithic Crystal Filters ] | Certification | Rohs，ISO |
| Place of Origin | wuxi | ||
| High Light | 21.4Mhz Motherboard Crystal Oscillator ，12A Motherboard Crystal Oscillator ，12A Piezoelectric Crystal Oscillator | ||
Monolithic 21.4Mhz 21M 12A Motherboard Crystal Oscillator
| 1. | (Model ): | HM21M12A | |
|---|---|---|---|
| 2. | (Nominal Center Frequency): | 21.40MHz | |
| 3. | (Pass Band Width at 3dB): | ≥6.0kHz | |
| 4. | (Ripple in Pass Band Width): | ≤0.5dB | |
| 5. | (Insertion Loss): | ≤1.5dB | |
| 6. | (Stop Band Width ):@20dB | 23kHz | |
| Stop Band Width:@90dB | ---------- | ||
| 7. | (Guaranteed Attenuation): | ≥20dB(+/-300KHZ) | |
| 8. | (Terminating Impedance):3.3kΩ//0pF | ||
| 9. | (Input level): | 0～15dBm | |
| 10. | (Operating Temperature Range): | -20℃～+70℃ | |
| 11. | Package type | UM-1 |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
400000-1000000
Employee Number:
100~200
Ecer Certification：
Active Member
The company’s main products are frequency components (piezoelectric ceramics, crystals, surface acoustic waves), functional ceramic products The company was established in 2008, develops and produces frequency components. Our products are manufactured in accordance with the ISO9002 stand... The company’s main products are frequency components (piezoelectric ceramics, crystals, surface acoustic waves), functional ceramic products The company was established in 2008, develops and produces frequency components. Our products are manufactured in accordance with the ISO9002 stand...
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