Beijing Silk Road Enterprise Management Services Co., Ltd.
| Normal temperature Frequency Tolerance | ±30ppm |
| Frequency Stability | ±20ppm |
| Operating Temperature | -20℃~+70℃ |
| Load Capacitance | 20pF |
| Equivalent Series Resistance(ESR) | 250Ω |
| Frequency | 4.897MHz |
| Description | Crystal 4.897MHz ±30ppm 20pF 250Ω HC-49S |
| Mfr. Part # | KUS489702030 |
| Package | HC-49S |
| Model Number | KUS489702030 |
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Product Specification
| Normal temperature Frequency Tolerance | ±30ppm | Frequency Stability | ±20ppm |
| Operating Temperature | -20℃~+70℃ | Load Capacitance | 20pF |
| Equivalent Series Resistance(ESR) | 250Ω | Frequency | 4.897MHz |
| Description | Crystal 4.897MHz ±30ppm 20pF 250Ω HC-49S | Mfr. Part # | KUS489702030 |
| Package | HC-49S | Model Number | KUS489702030 |
The KAIYUE XIANG Electronic Co., Ltd. Quartz Crystal Resonator (Model: 49US/4.897MHZ) is a precision electronic component designed for oscillation applications. It features a frequency of 4.897 MHz with a tolerance of 30ppm and load capacitance of 20pF. This resonator is suitable for a wide range of operating temperatures and is built to withstand various mechanical and environmental stresses.
| Parameter | Specification | Unit |
| 1. GENERAL | ||
| HOLDER TYPE | 49US | |
| MODE OF VIBRATION | AT CUT | |
| OSCILLATION MODE | FUND S&A | |
| TEST FACILITIES | KH-1240 | |
| STORAGE TEMPERATURE | -40 TO +85 | |
| DRIVER LEVEL | 100W | |
| 2. ELECTRICAL PARAMETER | ||
| NORMAL FREQUENCY | 4.897 | MHz |
| FREQUENCY TOLERANCE252 | 30 | ppm |
| TEMPERATURE STABILITY | 20 | ppm |
| OPERATING TEMPERATURE RANGE | -20 TO +70 | |
| LOAD CAPACITANCE | 20 | PF |
| MOTIONAL CAPACITANCE | 5 MAX | PF |
| SHUNT CAPACITANCE | ||
| EFFECTIVE SERIES RESISTANCE | 250 MAX | |
| INSULATION RESISTANCE | 500M OHMS MIN | AT DC 100V |
| 3. MECHANICAL PARAMETER | ||
| SOLDERABILITY | 95% COVERAGE BY USING 90/10 SOLD AT 245 FOR 5 SEC. DIPING AFTER IMMERSION IN ALPHA 611 FLUX FOR 5 SEC. | |
| Mechanical Endurance | ||
| SHOCK | Electrical characteristics shall be satisfied after dropping three times from the height of 50 cm onto Hard wooden board. | |
| VIBRATION | Frequency: 1055Hz, Period: 12min, Full Amplitude: 1.5mm P-P, Direction: X.Y.Z, Time: 2hours/each direction | |
| STRENGTH OF TERMINALS/LEAD-WIRES - PULLING | 900g tension weight for 30 sec. No visual damages. | |
| STRENGTH OF TERMINALS/LEAD-WIRES - BENDING | 90 degree bending with 225g tension weight, then straightened. Repeated in opposite direction. No visual damages. | |
| SEALING TIGHTNESS | No observation of gas bubble after specimen put in hot water at +90+95 for 5 min. | |
| SOLDERING DIP | Terminals/lead-wires dipped into solder at +2305 for 3sec. Dipping depth 2mm from body. Over 90% coverage. | |
| SOLDER HEATING | Terminals/lead-wires dipped into solder at +35010 for 3 sec. Electrical characteristics shall be satisfied. | |
| II Environmental Endurance | ||
| HUMIDITY | Electrical characteristics shall be satisfied after 250 hours at 602, 90-95% humidity. | |
| STORAGE IN LOW TEMPERATURE | Electrical characteristics shall be satisfied after 250 hours at -302. | |
| STORAGE IN HIGH TEMPERATURE | Electrical characteristics shall be satisfied after 250 hours at +852. | |
| TEMPERATURE CYCLE | Electrical characteristics shall be satisfied after 3 cycles. Temperature shift 1/min. | |
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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