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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±20ppm
Operating Temperature:
-20℃~+70℃
Load Capacitance:
20pF
Equivalent Series Resistance(ESR):
40Ω
Frequency:
25MHz
Mfr. Part #:
KMD250002010
Package:
HC-49S-SMD-Mini
Key Attributes
Model Number:
KMD250002010
Product Description
Product Overview
This specification sheet details the Quartz Crystal Resonator, model M-49USSMD /25.000MHz, manufactured by Shenzhen Kaiyuexiang Electronics Co., Ltd. It is designed for electronic applications requiring precise frequency control.
- Brand: KYX
- Origin: Shenzhen, China
- Manufacturer: Shenzhen Kaiyuexiang Electronics Co., Ltd.
| Product Name | Product Model | Nominal Frequency | Mode of Oscillation | Frequency Tolerance | Temperature Tolerance | Operating Temperature Range | Storage Temperature | Equivalency Resistance | Load Capacitance | Drive Level | Shunt Capacitance | Insulation Resistance | Aging | Hold Type | Marking |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quartz Crystal Resonator | M-49USSMD /25.000MHz | 25.000 MHz | AT Cut | ±10PPM | ±20PPM | -20°C+70°C | -40°C+85°C | ≤40Ω | 20 pF | 100μW | ≤3.0 pF | ≥500MΩ at DC 100V±15V | ≤±3ppm/year | (Unit: mm) | KYX XX (Nominal Frequency) |
| Category | Item | Conditions | Result Standard |
|---|---|---|---|
| Electrical Performance | Low Temperature Resistance | 500 hours at -40°C ±5°C, then 1 hour at room temperature cooling. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω |
| High Temperature Resistance | 500 hours at +100°C ±5°C, then 1 hour at room temperature cooling. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω | |
| Salt Spray Test | 48 hours at 35°C ±2°C with 5% salt solution, then rinse with clean water. | () Product appearance qualified. | |
| Humidity Test | 500 hours at 60°C ±2°C and 90-98% relative humidity, then 1 hour at room temperature cooling. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω | |
| Temperature Cycling | 100 cycles: 30 min at -40°C ±2°C, then 30 min at +85°C ±2°C. Then 2 hours at room temperature cooling. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω | |
| Mechanical Performance | Drop Test | Free drop from 75cm ±5cm height onto a wooden board (thickness >3cm) for 3 times. Test after 1 hour. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω |
| Vibration Test | Frequency 10-55Hz, Amplitude 1.5mm. Vibration along X, Y, Z axes for 2 hours each. Test after 1 hour. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω | |
| Terminal Bending Strength Test | Fix the body, twist to 45 degrees, then slowly restore. | () Leads free from breakage and meets () requirements. | |
| Terminal Strength | After mounting on PCB, apply pressure with a bending of 2mm at a speed of 0.5mm/s for 5 seconds ±1 second. | () Leads free from breakage and meets () requirements. | |
| Solderability Test | Apply flux (7-10% concentration) to terminals for approx. 5 seconds, then immerse in a 230°C ±5°C molten solder bath for 3 seconds. | () Over 90% tin coverage. | |
| Seal Test | Immerse in 85°C ±5°C warm water for 5 minutes. Water level covers the crystal by approx. 20cm. | () No bubbles precipitating or emerging from the crystal surface. | |
| Solder Heat Resistance | Place on a 265°C ±5°C tin bath, 2.0 ±0.2mm distance from tin surface, for 3 minutes (2 times). Place on a 350°C ±10°C tin bath, 2.0 ±0.2mm distance from tin surface, for 3 ±0.5 seconds (2 times). Test after 2 hours of room temperature cooling. | () Frequency Change: ±5ppm; Resistance Change: ±20%Ω |
- 1 Reel per box (3000PCS)
- 10 boxes per outer carton (30000PCS)
- Labeling as per standard.
- Factory Address: 4th Floor, Building 1, Caifa Industrial City, Guanlan Renmin Road, Longhua District, Shenzhen
- TEL: 0755-89315823, 89315866
- FAX: 0755-89315223
- Website: www.kaiyuexiang.com
2310121803_KYX-KMD250002010_C18213399.pdf
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