MC306 Type Quartz Crystal Resonator KYX KMA3276812520 with 32.768KHZ Frequency and ±20ppm Tolerance
Product Overview
This document outlines the specifications for the KYX MC-306/32.768KHZ Quartz Crystal Resonator. It details the product's electrical characteristics, physical dimensions, and environmental performance.
Product Attributes
- Brand: (KYX)
- Origin: Shenzhen, China
- Product Name: (Quartz Crystal Resonator)
- Product Model: MC-306/32.768KHZ
- Original Model: KMA3276812520
- Certifications: ROHS
Technical Specifications
| Parameter | Value | Unit | Condition |
| Frequency | 32.768 | KHz | |
| Holder Type | MC306 | ||
| Frequency Tolerance | ±20 | ppm | at 25℃±5℃ |
| Equivalent Series Resistance | 70 | KΩ | Max |
| Storage Temperature Range | -40 to +85 | ℃ | |
| Operating Temperature Range | -40 to +85 | ℃ | |
| Frequency Characteristics Over Temperature | ±20 | ppm | -40℃ TO +85℃ |
| Load Capacitance (CL) | 12.5 | PF | |
| Drive Level | 1.0 | uW | MAX |
| Shunt Capacitance | 1.35 | PF | MAX |
| Insulation Resistance | 500 | MΩ | Min at D.C.100 V |
| Capacitance Ratio | 650 | max | |
| Aging | ±5 | ppm/Year | |
| Marking | 32.768 |
Physical and Environmental Characteristics
Humidity: Subject the crystal at 40℃±2℃ and 90- 95 RH for 96±4 hours. Then release the crystal into room conditions for 1 hour prior to measurement.
High Temperature Exposure: Subject the crystal to 85℃±5℃ for 96±4 hours. Then release the crystal into room conditions for 1 hour prior to measurement.
Low Temperature: Subject the crystal to -20℃±5℃ for 96±4 hours. Then release the crystal into room conditions for 1 hour prior to measurement.
Mechanical Shock: Drop the crystal randomly onto a concrete floor from a height of 75cm, 3 times.
Temperature Cycling: Subject the crystal to -30℃ for 30 min. followed by +85℃ for 30 min. Cycling repeated 5 times with a transfer time of 15sec. at room condition. Release resonator into room temperature for 2 hours prior to measurement.
Vibration: Subject the crystal to vibration for 2 hours each in x, y, and z axes with an amplitude of 1.5mm. Frequency varied uniformly between 10-55 Hz.
Resistance to Solder Heat: Dip crystal terminals (no closer than 2 mm) into solder bath at 260℃±5℃ for 5±1 sec. Release into room temperature for 1 hour prior to measurement.
Solder Ability: Dip crystal terminals (no closer than 2 mm) into solder bath at 235℃±5℃ for 3±0.5 sec. More than 95% of the terminal surface shall be covered with fresh solder.
Lead Fatigue:
1) Pulling Test: Weight along terminal direction without shock, 0.5kg for 10±1sec. Crystal shall show no damage and fulfill initial electric characteristics.
2) Bending Test: Lead subject to withstand 90-degree bending at its stem towards both directions. Crystal shall show no damage and fulfill initial electric characteristics.
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