Beijing Silk Road Enterprise Management Services Co., Ltd.
| Normal temperature Frequency Tolerance | ±20ppm |
| Frequency Stability | ±20ppm |
| Operating Temperature | -20℃~+70℃ |
| Load Capacitance | 20pF |
| Equivalent Series Resistance(ESR) | 40Ω |
| Frequency | 21.47727MHz |
| Description | Crystal 21.47727MHz ±20ppm 20pF 40Ω HC-49S-SMD |
| Mfr. Part # | KBD21477272020 |
| Package | HC-49S-SMD |
| Model Number | KBD21477272020 |
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Product Specification
| Normal temperature Frequency Tolerance | ±20ppm | Frequency Stability | ±20ppm |
| Operating Temperature | -20℃~+70℃ | Load Capacitance | 20pF |
| Equivalent Series Resistance(ESR) | 40Ω | Frequency | 21.47727MHz |
| Description | Crystal 21.47727MHz ±20ppm 20pF 40Ω HC-49S-SMD | Mfr. Part # | KBD21477272020 |
| Package | HC-49S-SMD | Model Number | KBD21477272020 |
This datasheet specifies the 49USSMD/21.47727MHZ Quartz Crystal Resonator from Shenzhen Kaiyuexiang Industrial Co., Ltd. It is designed for various electronic applications requiring precise frequency control.
| Parameter | Specification | Description |
|---|---|---|
| General | ||
| Holder Type | 49USSMD | |
| Mode of Vibration | AT CUT | |
| Oscillation Mode | FUND S&A KH-1240 | |
| Storage Temperature | -40 TO +85 | |
| Driver Level | 100W | |
| Electrical Parameter | ||
| Normal Frequency | 21.47727MHz | |
| Frequency Tolerance (252) | 20ppm | |
| Temperature Stability | 20ppm | |
| Operating Temperature Range | -20 TO +70 | |
| Load Capacitance | 20PF | |
| Motional Capacitance | 7PF MAX | |
| Shunt Capacitance | ||
| Effective Series Resistance | 40 MAX | |
| Insulation Resistance | 500M OHMS MIN AT DC 100V | |
| Mechanical Parameter | ||
| Solderability | 95% COVERAGE BY USING 90/10 SOLD AT 245FOR 5 SEC. DIPING AFTER IMMERSION IN ALPHA 611 FLUX FOR 5 SEC. | |
| Mechanical Endurance | ||
| Shock Resistance | Satisfied after dropping from 50 cm onto hard wooden board 3 times. | Electrical characteristics shall be satisfied. |
| Vibration Resistance | Frequency: 1055Hz, Period: 12min, Amplitude: 1.5mm PP, Direction: X.Y.Z, Time: 2 hours/each direction | Electrical characteristics shall be satisfied. |
| Strength of Terminals/Lead-Wires (Pulling) | 900g tension weight for 30 sec. | No visual damages. |
| Strength of Terminals/Lead-Wires (Bending) | 90 bending with 225g tension weight, then straightened. Repeated in opposite direction. | No visual damages. |
| Sealing Tightness | No gas bubble after immersion in hot water at +90+95 for 5 min. | |
| Soldering Dip | Dipped into solder at +2305 for 3 sec (2mm from body bottom), with ROSIN flux. | Over 90% coverage on terminals/lead-wires. |
| Solder Heating Resistance | Dipped into solder at +35010 for 3 sec (2mm from edge). | Electrical characteristics shall be satisfied. |
| Environmental Endurance | ||
| Humidity Resistance | 250 hours at 602 and 90-95% relative humidity. | Electrical characteristics shall be satisfied. |
| Storage in Low Temperature | 250 hours at -302. | Electrical characteristics shall be satisfied. |
| Storage in High Temperature | 250 hours at +852. | Electrical characteristics shall be satisfied. |
| Temperature Cycle | 3 cycles, temperature shift at 1/min. | Electrical characteristics shall be satisfied. |
Contact Information:
Factory Address: 4th Floor, Building 1, Caifa Industrial City, Renmin Road, Guanlan, Bao'an District, Shenzhen
TEL: 0755-89315823, 89315866
FAX: 0755-89315223
Website: www.kaiyuexiang.com
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>>300
Ecer Certification：
Verified Supplier
Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an... Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...
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