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Specifications
Normal temperature Frequency Tolerance:
±20ppm
Load Capacitance:
20pF
Frequency:
6.7458MHz
Mfr. Part #:
KSS674582020
Package:
HC-49S
Key Attributes
Model Number:
KSS674582020
Product Description
Product Overview
The 49USS/6.7458MHZ Quartz Crystal Resonator from Kaiyuexiang Electronics is designed for precise frequency control. This product is suitable for applications requiring stable oscillation at 6.7458 MHz with a frequency tolerance of 20ppm and a load capacitance of 20pF.
Product Attributes
- Brand: Kaiyuexiang
- Origin: Shenzhen, China
- Product Name: Quartz Crystal Resonator
- Product Model: 49USS/6.7458MHZ
- Original Manufacturer Model: KSS674582020
Technical Specifications
| Parameter | Value | Unit | Notes |
| 1. GENERAL | |||
| HOLDER TYPE | 49USS | ||
| MODE OF VIBRATION | AT CUT | ||
| OSCILLATION MODE | FUND S&A | ||
| TEST FACILITIES | KH-1240 | ||
| STORAGE TEMPERATURE | -40 to +85 | ||
| DRIVER LEVEL | 100 | W | |
| 2. ELECTRICAL PARAMETER | |||
| NORMAL FREQUENCY | 6.7458 | MHz | |
| FREQUENCY TOLERANCE (252) | 20 | ppm | |
| TEMPERATURE STABILITY | 20 | ppm | |
| OPERATING TEMPERATURE RANGE | -20 to +70 | ||
| LOAD CAPACITANCE | 20 | PF | |
| MOTIONAL CAPACITANCE | 5 | PF MAX | |
| SHUNT CAPACITANCE | |||
| EFFECTIVE SERIES RESISTANCE | 250 | MAX | |
| INSULATION RESISTANCE | 500 | M 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. | ||
| 4. MECHANICAL ENDURANCE | |||
| SHOCK | Electrical characteristics shall be satisfied after dropping three times from the height of 50 cm onto Hard wooden board. | ||
| VIBRATION | Frequency: 10-55Hz, Period: 1-2min, Amplitude: 1.5mm P-P, Direction: X.Y.Z, Time: 2 hours/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 straighten. Repeat to opposite direction. No visual damages. | ||
| SEALING TIGHTNESS | No gas bubble after specimen in hot water at +90+95 for 5 min. | ||
| SOLDERING DIP | Terminals dipped into solder at +2305 for 3 sec. Depth 2mm. Over 90% coverage. | ||
| SOLDER HEATING | Terminals dipped into solder at +35010 for 3 sec. Depth 2mm from edge. Electrical characteristics shall be satisfied. | ||
| 5. 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. | ||
2409272230_KYX-KSS674582020_C19076828.pdf
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