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Specifications
Normal temperature Frequency Tolerance:
5ppm~+25ppm
Frequency Stability:
±20ppm
Load Capacitance:
12pF
Operating Temperature:
-20℃~+70℃
Frequency:
24MHz
Mfr. Part #:
KMX2400012525
Package:
HC-49S-SMD-Mini
Key Attributes
Model Number:
KMX2400012525
Product Description
The product is a Quartz Crystal Resonator, model M-49USSMD, operating at a nominal frequency of 24.000MHz. It is designed for applications requiring precise frequency stability and is suitable for various electronic devices.
Product Attributes
- Brand: (Kaiyuexiang)
- Origin: Shenzhen, China
- Product Name: (Quartz Crystal Resonator)
- Product Model: M-49USSMD
- Original Manufacturer Model: KMX2400012525
Technical Specifications
| Parameter | Value | Unit |
| Nominal Frequency | 24.000 | MHz |
| Mode of Oscillation | AT Cut | |
| Frequency Tolerance | 15~25 | PPM |
| Temperature Tolerance | 20 | PPM |
| Operating Temperature Range | -20+70 | |
| Storage Temperature | -40+85 | |
| Equivalent Resistance | 40 | |
| Load Capacitance | 12 | pF |
| Drive Level | 100 | W |
| Shunt Capacitance | 3.0 | pF |
| Insulation Resistance | 500M at DC 100V15V | |
| Aging | 3 | ppm/year |
| Marking | Nominal Frequency KYX XX | |
Product Reliability Tests
| Category | Item | Conditions | Result Criteria |
| Electrical Performance | Low Temperature Resistance | 500 hours 2 hours at -405, then 1 hour natural cooling at room temperature. | Frequency Change: 5ppm; Resistance Change: 20% |
| High Temperature Resistance | 500 hours 2 hours at +1005, then 1 hour natural cooling at room temperature. | Frequency Change: 5ppm; Resistance Change: 20% | |
| Salt Spray Test | 48 hours 2 hours in salt water (5% concentration) at 352, then rinse with clean water. Check appearance. | Product appearance qualified. | |
| Humidity Test | 500 hours 2 hours at 602 and 90-98% RH, then 1 hour natural cooling at room temperature. | Frequency Change: 5ppm; Resistance Change: 20% | |
| Temperature Cycling | 30 minutes 1 minute at -402, then 30 minutes 1 minute at +852, repeated 100 times. Then 2 hours natural cooling at room temperature. | Frequency Change: 5ppm; Resistance Change: 20% | |
| Mechanical Performance | Drop Test | Free drop from 75cm5cm height onto a wooden board (thickness >3cm) 3 times. Test after 1 hour. | Frequency Change: 5ppm; Resistance Change: 20% |
| Vibration Test | Frequency 10-55Hz, amplitude 1.5mm. Vibration along X, Y, Z axes for 2 hours. Test after 1 hour. | Frequency Change: 5ppm; Resistance Change: 20% | |
| Terminal Bending Strength Test | Body fixed, twisted 45 degrees, then slowly restored. | Leads without breakage and meet (IV) requirements. | |
| Terminal Strength | After mounting on PCB, apply pressure with 0.5mm/s speed and 2mm bending for 5 seconds 1 second. | Leads without breakage and meet (IV) requirements. | |
| Soldering Wettability Test | Apply flux (7-10% concentration) to terminals for approx. 5 seconds, then dip in a 2305 molten tin bath for 3 seconds. | Over 90% tin coverage. | |
| Hermeticity Test | Immerse crystal in 855 warm water for 5 minutes. Water level covers crystal approx. 20cm. | No bubbles precipitated on the crystal surface or emerging from water. | |
| Solder Heat Resistance | Dip into 2655 tin bath, 2.00.2mm from tin surface, for 3 minutes (2 times). Then dip into 35010 tin bath, 2.00.2mm from tin surface, for 30.5 seconds (2 times). Then 2 hours natural cooling at room temperature. | Frequency Change: 5ppm; Resistance Change: 20% |
Packaging
1 reel per box (3000 PCS). 10 boxes per outer carton (30000 PCS).
2310101746_KYX-KMX2400012525_C18209187.pdf
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