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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±20ppm
Load Capacitance:
20pF
Operating Temperature:
-20℃~+70℃
Equivalent Series Resistance(ESR):
80Ω
Frequency:
12.288MHz
Mfr. Part #:
KMD122882010
Package:
HC-49S-SMD-2P-Mini
Key Attributes
Model Number:
KMD122882010
Product Description
Product Overview
This document outlines the technical specifications for the Quartz Crystal Resonator, product model M-49USSMD 12.288MHz. It details product parameters, reliability testing, and packaging information. The product is manufactured by Shenzhen Kaiyuexiang Industrial Co., Ltd.
Product Attributes
- Brand: Kaiyuexiang
- Origin: Shenzhen, China
- Product Name: Quartz Crystal Resonator
- Product Model: M-49USSMD 12.288MHz
- Original Manufacturer Model: KMD122882010
- Product Reliability: P.3
- Packaging Appearance: P.4~5
Technical Specifications
| Parameter | Specification | Unit | Notes |
| Nominal Frequency | 12.288 | MHz | |
| Mode of Oscillation | AT Cut | ||
| Frequency Tolerance | ±10PPM | ||
| Temperature Tolerance | ±20PPM | ||
| Operating Temperature Range | -20 to +70 | ||
| Storage Temperature | -40 to +85 | ||
| Equivalent Resistance | ≤40 | Ω | |
| Load Capacitance | 20 | pF | |
| Drive Level | 100 | μW | |
| Shunt Capacitance | ≤7.0 | pF | |
| Insulation Resistance | ≥500 | MΩ | at DC 100V±15V |
| Aging | ≤±5ppm/year | ||
| Marking | 12.288 / K12.288 | Nominal Frequency |
Reliability Testing
| Project | Electrical Performance Conditions | Result |
| Low Temperature Resistance Test | -40±5 for 500 hours ± 2 hours, then natural cooling for 1 hour at room temperature. | () |
| High Temperature Resistance Test | +100±5 for 500 hours ± 2 hours, then natural cooling for 1 hour at room temperature. | () |
| Salt Spray Test | 35±2 salt water (5% salt concentration) for 48 hours ± 2 hours, then rinse with clean water. | () |
| Humidity Test | 60±2 and 90-98% RH for 500 hours ± 2 hours, then natural cooling for 1 hour at room temperature. | () |
| Temperature Cycling | -40±2 for 30 mins ± 1 min, then +85±2 for 30 mins ± 1 min, repeated 100 times. Natural cooling for 2 hours at room temperature. | () |
| Drop Test | 75cm±5cm height onto a wooden board (thickness > 3cm) for 3 times, tested after 1 hour. | () |
| Vibration Test | Frequency 10-55Hz, amplitude 1.5mm. Vibration along X, Y, Z axes for 2 hours each, tested after 1 hour. | () |
| Terminal Bending Strength Test | Fix the body, twist 45 degrees, then slowly restore. | () |
| Terminal Strength Test | After mounting on PCB, apply pressure with 0.5mm/s speed and 2mm bending for 5 seconds ± 1 second. | () |
| Solderability Test | Apply flux (7-10% concentration) for approx. 5 seconds, then dip in a 230±5 molten pot for 3 seconds. | () |
| Hermeticity Test | Immerse in 85±5 warm water for 5 minutes, water level covers the crystal by approx. 20cm. | () |
| Solder Heat Resistance Test | Place on a 265±5 tin pot for 3 minutes (2 times), crystal to tin surface distance 2.0±0.2mm. Place on a 350±10 tin pot for 3±0.5 seconds (2 times), crystal to tin surface distance 2.0mm±0.2mm. Natural cooling for 2 hours at room temperature. | () |
Judgment Standards
| Result Code | Specification Requirement |
| () | Frequency change: ±5ppm; Resistance change: ±20%Ω |
| () | No lead breakage and meets () requirements. |
| () | Tin coverage rate higher than 90%. |
| () | No bubbles on the crystal surface or emerging from the water. |
| () | Product appearance is qualified. |
Packaging and Dimensions
Packaging: 1 reel (3000PCS) per box, 5 boxes per outer carton.
Product Dimensions Diagram
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Label
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1912111437_KYX-KMD122882010_C368797.pdf
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