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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
12pF
Equivalent Series Resistance(ESR):
50Ω
Frequency:
8MHz
Mfr. Part #:
L538G080L11L
Package:
SMD5032-2P
Key Attributes
Model Number:
L538G080L11L
Product Description
Product Overview
This specification applies to a SMD quartz crystal unit with a nominal frequency of 8.000MHz. It is designed for applications requiring stable frequency performance with a load capacitance of 12pF and an initial frequency accuracy of 10ppm.
Product Attributes
- Brand: LUCK
- Manufacturer:
- Origin: China
- Certifications: RoHS compliant
Technical Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit | Remark |
| Normal Frequency | Fn | 8.000 | MHz | Fundamental | |||
| Load capacitance | CL | 12 | pF | ||||
| Initial Frequency Accuracy | FL | -10 | 10 | ppm | |||
| Resonance resistance | RR | 80 | |||||
| Drive level | DL | 100 | 300 | W | |||
| Shunt capacitance | C0 | 5 | pF | ||||
| Insulation resistance | IR | DC 100V | 500 | M | |||
| DLD | DLD | 0.01~100 uW | 10STEPS | ||||
| FDLD | FDLD | ppm | |||||
| RLD2 | RLD2 | ||||||
| DLDH2 | DLDH2 | ||||||
| FDLDH | FDLDH | ppm | |||||
| Motional capacitance | C1 | fF | |||||
| Inductance | L | mH | |||||
| Trim sensitivity | TS | ppm/pF | |||||
| Autoeciousness | SPDB | 5300PPM of nominal Freq | -3.0 | dB | |||
| Operating temperature range | T1 | 30PPM | -40 | 85 | |||
| Storage temperature range | -55 | 125 | |||||
| Aging | 3 | ppm | |||||
| Construction - Crystal enclosure seal | Seam seal, resistance weld, cold weld | ||||||
| Construction - Crystal enclosure medium | Nitrogen, vacuum, dry air | ||||||
| Inside Structure - Name | Material | ||||||
| Can | Ceramic | ||||||
| Base | Ceramic | ||||||
| Blank | Quartz | ||||||
| Electrode | Ag | ||||||
| Epoxy | Silicon based | ||||||
| Soldering Pads | Au plated |
Reliability Characteristic
| Item | Condition | Specifications |
| Solderability | Solder bath temperature:260 , dwell time:5 seconds, Solder: 100% tin | A new uniform coating of solder shall cover a minimum of 95% of the surface being immersed. |
| Resistance to soldering heat | Solder temperature 260+/-3,Immersion time:10 S, Solder bath composition:100% tin | F+/-5ppm, R+/-15%+3 |
| Vibration | The entire frequency range: 10Hz to 55Hz ,Amplitude:1.5mm, This motion shall be applied for a period of 2 h in each of 3 mutually perpendicular axes(a total of 6h) | F+/-5ppm, R+/-15%+3 |
| Drop test | Drop from 75cm height on 3cm hard wooden board for 6 times | F+/-5ppm, R+/-15%+3 |
| Cold Storage | The quartz crystal unit shall be stored at a temperature of 40+/-3for 1000 h.then it shall be subjected to standard atmospheric conditions for 1h after which measurement shall be made. | F+/-5ppm, R+/-15%+3 |
| High temperature high humidity storage (steady state) | The quartz crystal unit shall be stored at a temperature of 40+/-2 with relative humidity of 95% for 1000h, then it shall be subjected to standard atmospheric conditions for 2h after which measurement shall be made. | F+/-5ppm, R+/-15%+3 |
| Thermal shock | The quartz crystal unit shall be subjected to 50 successive Change of temperature cycles. Each as shown in table below ,then it shall be subjected to standard atmospheric conditions for 1h after which measurement shall be made. | F+/-5ppm, R+/-15%+3 |
| Sealing | Helium leakage detector shall used to measure the leakage rate of gas through any faulty seal. Pressure:500Kpa, duration:120 minutes | Leakage rate1*10-9Pa.m3/S |
| High temperature Life test | The quartz crystal unit shall be stored at a temperature of 85+/-3for 720h ,then it shall be subjected to standard atmospheric condition for 1h after which measurement shall be made. | F+/-5ppm, R+/-15%+3 |
Reflow Profile
| Parameter | Temperature | Time | Rate | Notes |
| Preheat Temperature | Ts Min: 150, Ts Typ: 175, Ts Max: 200 | 60-180 seconds | 3/second max | Applied to body of device |
| Ramp-up Rate (TL to Tp) | 3/second Max | |||
| Time Maintained Above TL | TL: 217 | 60-150seconds | ||
| Peak Temperature (Tp) | 260Max | 10 seconds | ||
| Time within 5 of actual peak (tp) | 20-40 seconds | |||
| Ramp-down Rate | 6/seconds Max | |||
| Time (t) 25 to Peak Temperature | 8 minutes Max | Applied to body of device | ||
| Moisture Sensitivity Level | Level 1 |
Manual Soldering
| Parameter | Temperature | Time | Frequency | Notes |
| Manual Soldering | 260Max | 10 seconds Max | 4 times Max | Applied to body of device |
2410121956_Lucki-L538G080L11L_C7502111.pdf
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