Product Description: This document specifies the technical parameters and reliability of the Quartz Crystal Resonator, product model M-49USSMD 26.000MHz. It is designed for applications requiring precise frequency oscillation.
Product Attributes:
- Brand:
- Origin:
- Product Model: M-49USSMD 26.000MHz
- Original Factory Model: KMD260000910
- Reliability Standard: P.3
- Package Outline: P.4~5
- Website: www.kaiyuexiang.com
| Parameter | Nominal Frequency | Mode of Oscillation | Frequency Tolerance | Temperature Tolerance | Operating Temperature Range | Storage Temperature | Equivalent Resistance | Load Capacitance | Drive Level | Shunt Capacitance | Insulation Resistance | Aging |
| Specifications | 26.000MHz | AT | 10PPM | 20PPM | -20+70 | -40+85 | 40 | 9pF | 100W | 7.0 pF | 500M at DC 100V15V | 5ppm/year |
Reliability Testing:
| Category | Item | Conditions | Result Code |
| Electrical Performance | Low Temperature Resistance | -405 for 500 hours 2 hours, then natural cool to room temp for 1 hour. | () |
| High Temperature Resistance | +1005 for 500 hours 2 hours, then natural cool to room temp for 1 hour. | () | |
| Salt Spray Test | Salt water (5% concentration) at 352 for 48 hours 2 hours, then rinse with clean water. | () | |
| Humidity Test | 602 and 90-98% RH for 500 hours 2 hours, then natural cool to room temp for 1 hour. | () | |
| Temperature Cycling | -402 for 30 min 1 min, then +852 for 30 min 1 min, 100 cycles, then natural cool for 2 hours. | () | |
| Mechanical Performance | Drop Test | 75cm5cm height onto a wooden board (3cm thick), 3 times, test after 1 hour. | () |
| Vibration Test | 10-55Hz, 1.5mm amplitude, along X, Y, Z axes for 2 hours, test after 1 hour. | () | |
| Terminal Bending Strength Test | Fix body, twist 45 degrees, then slowly restore. | () | |
| Terminal Strength | Mounted on PCB, 0.5mm/s speed, 2mm bending, 5 seconds 1 second pressure. | () | |
| Solderability Test | Apply flux (7-10% concentration) for approx. 5 seconds, then dip in 2305 solder pot for 3 seconds. | () | |
| Hermeticity Test | Immerse in 855 warm water for 5 minutes, water level approx. 20cm above crystal. | () | |
| Solder Heat Resistance | In 2655 tin furnace, 2.00.2mm from tin surface, 3 minutes (2 times). In 35010 tin furnace, 2.00.2mm from tin surface, 30.5 seconds (2 times), then natural cool for 2 hours. | () |
Judgment Standards:
- () Frequency Variation: 5ppm, Resistance Variation: 20%
- () No lead breakage and meets () requirements
- () Solder coverage rate > 90%
- () No bubbles precipitating on the crystal surface or emerging from water
- () Product appearance is qualified
Packaging & Dimensions:
Product Size Diagram: (Diagram not provided in text)
Packaging Details: 1 reel (3000PCS) per case, 5 cases per outer box. (Label details not provided in text)
1912111437_KYX-KMD260000910_C368802.pdf
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