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Specifications
Normal temperature Frequency Tolerance:
±20ppm
Frequency Stability:
±20ppm
Load Capacitance:
12pF
Operating Temperature:
-20℃~+70℃
Equivalent Series Resistance(ESR):
40Ω
Frequency:
25MHz
Mfr. Part #:
KUS250001220
Package:
HC-49S
Key Attributes
Model Number:
KUS250001220
Product Description
Product Overview
This document specifies the Quartz Crystal Resonator, model HC-49SJJ/25.000MHZ, manufactured by Shenzhen Kaiyuexiang Electronics Co., Ltd. It is designed for applications requiring precise frequency control, with key parameters including a load capacitance of 12PF and a frequency tolerance of 20ppm.
Product Attributes
- Brand: Kaiyuexiang ()
- Origin: Shenzhen, China
- Product Name: Quartz Crystal Resonator ()
- Product Model: HC-49SJJ/25.000MHZ
- Original Manufacturer Model: KUS250001220
Technical Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| 1. GENERAL | |||
| HOLDER TYPE | 49US AT CUT | ||
| MODE OF VIBRATION | FUND S&A | ||
| OSCILLATION MODE | KH-1240 | ||
| TEST FACILITIES | |||
| STORAGE TEMPERATURE | -40 TO +85 | ||
| DRIVER LEVEL | 100W | W | |
| 2. ELECTRICAL PARAMETER | |||
| NORMAL FREQUENCY | 25.000 | MHz | |
| FREQUENCY TOLERANCE (252) | 20 | ppm | |
| TEMPERATURE STABILITY | 20 | ppm | |
| OPERATING TEMPERATURE RANGE | -20 TO +70 | ||
| LOAD CAPACITANCE | 12 | PF | |
| MOTIONAL CAPACITANCE | 3 | PF MAX | |
| SHUNT CAPACITANCE | |||
| EFFECTIVE SERIES RESISTANCE | 40 | MAX | |
| INSULATION RESISTANCE | 500 | M OHMS MIN AT DC 100V | |
| 3. 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 | Electrical characteristics shall be satisfied after dropping three time from the height of 50 cm onto Hard wooden board. | ||
| VIBRATION | Electrical characteristics shall be satisfied after supplying following Vibration. | Frequency: 1055Hz, Period: 12min, Amplitude: 1.5mm P-P, Direction: X.Y.Z, Time: 2hours/each direction | |
| STRENGTH OF TERMINALS/LEAD-WIRES - PULLING | Body of specimen shall be fixed, and 900g of tension weight shall be supplied gradually to axial direction of terminals/lead-wires for 30 sec. No visual damages after test. | ||
| STRENGTH OF TERMINALS/LEAD-WIRES - BENDING | Body of specimen shall be fixed, and 90degree bending shall be given, being supplied 225gs tension weight. Then straightened gradually. Repeat to opposite direction. No visual damages after test. | Refer to Fig-1 | |
| SEALING TIGHTNESS | No observation of gas bubble after specimen put in hot water at +90+95 for 5 min. | ||
| SOLDERING DIP | Terminals/lead-wires shall be dipped into solder melted tank at +2305 for 3sec. Dipping depth 2mm from bottom of body. Soldering portion over 90%. | (After applying ROSIN flux) | |
| SOLDER HEATING | Terminals/lead-wires shall be dipped into solder melted tank at +35010 for 3 sec. Electrical characteristics shall be satisfied. Dipping depth 2mm from edge of terminals/lead-wires. | ||
| . ENVIRONMENTAL ENDURANCE | |||
| HUMIDITY | Electrical characteristics shall be satisfied after letting it alone at 602 in humidity of 9095% for 250 hours. | ||
| STORAGE IN LOW TEMPERATURE | Electrical characteristics shall be satisfied after letting it alone at -302 for 250 hours. | ||
| STORAGE IN HIGH TEMPERATURE | Electrical characteristics shall be satisfied after letting it alone at +852 for 250 hours. | ||
| TEMPERATURE CYCLE | Electrical characteristics shall be satisfied after supplying the following temperature cycle (3 cycles). Temp shift 1/min. | Refer to Fig-2 | |
2409272230_KYX-KUS250001220_C18213324.pdf
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