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Specifications
Normal temperature Frequency Tolerance:
±20ppm
Frequency Stability:
±20ppm
Operating Temperature:
-20℃~+70℃
Load Capacitance:
20pF
Equivalent Series Resistance(ESR):
40Ω
Frequency:
25MHz
Mfr. Part #:
KUS250002020
Package:
HC-49S
Key Attributes
Model Number:
KUS250002020
Product Description
Product Overview
The KYX 49US/25.000MHZ is a Quartz Crystal Resonator manufactured by Shenzhen Kaiyuexiang Industrial. It is designed for electronic applications requiring stable oscillation at 25.000MHz with specific load capacitance and frequency tolerance.
Product Attributes
- Brand: Kaiyuexiang ()
- Origin: Shenzhen, China
- Product Name: Quartz Crystal Resonator ()
- Product Model: 49US/25.000MHZ
- Original Manufacturer Model: KUS250002020
Technical Specifications
| Parameter | Specification | Unit | Notes |
| 1. General | |||
| Holder Type | 49US | ||
| Mode Vibration | AT CUT | ||
| Oscillation Mode | FUND S&A | KH-1240 | |
| Storage Temperature | -40 to +85 | ||
| Driver Level | 100W | ||
| 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 | 20 | PF | |
| Motional Capacitance | 7 | PF MAX | |
| Effective Series Resistance | 30 | 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. Dipping after immersion in ALPHA 611 Flux for 5 sec. | ||
| Mechanical Endurance | |||
| Shock Resistance | Electrical characteristics shall be satisfied after dropping three times from the height of 50 cm onto Hard wooden board. | ||
| Vibration Resistance | Frequency: 10-55Hz, Period: 1-2min, Amplitude: 1.5mm P-P, Direction: X.Y.Z, Time: 2 hours/each direction | Electrical characteristics shall be satisfied. | |
| Strength of Terminals/Lead-Wires (Pulling) | 900g of tension weight supplied gradually to axial direction of terminals/lead-wires for 30 sec. | No visual damages. | |
| Strength of Terminals/Lead-Wires (Bending) | 90 degree bending with 225gs 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 3 sec. Depth: 2mm from bottom of body. | Soldering portion over 90%. | |
| Solder Heating | Terminals/lead-wires dipped into solder at +35010 for 3 sec. | Electrical characteristics shall be satisfied. Depth: 2mm from edge. | |
| 7. Structural Diagram | |||
| |||
| Environmental Endurance | |||
| Humidity Resistance | Electrical characteristics shall be satisfied after 250 hours at 602 in 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. | (Refer to Fig-2) | |
2410121243_KYX-KUS250002020_C368772.pdf
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