Product Overview
The 9A Series are 5.0x3.2x1.2mm SMD glass sealing crystal units designed for automatic mounting and reflow soldering. These crystals offer high reliability, excellent environmental performance, and tight tolerance and stability. They are an ideal choice for portable PCs, PDAs, DSCs, and USB interface cards, providing a reasonable cost and good delivery performance. The sealing glass contains Pb, exempted by the RoHS directive.
Product Attributes
- Brand: (implied by marking)
- Series: 9A Series
- Type: SMD Glass Sealing Crystals
- RoHS Exemption: Contains Pb in sealing glass exempted by RoHS directive.
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Nominal Frequency | 24.000000 MHz | |
| Oscillation Mode | Fund | |
| Load Capacitance | 20 pF | |
| Frequency Tolerance | 10 ppm at 25 | 3 |
| Frequency Stability | 30 ppm | Over Operating Temp. Range |
| Operating Temperature | -40+85 | |
| Aging (1st Year) | 100 ppm | |
| Effective Resistance (Rr) | 40 Max. | |
| Shunt Capacitance (C0) | 5 pF Max. | |
| Pulling Sensitivity (TS) | (Data not specified) | |
| Drive Level | 0.0130W/15 steps, 30100W/5 steps, 10030W/5 steps, 300.01W/15 steps | |
| Insulation Resistance | 500 M Min. | at DC 100V |
| Storage Temperature Range | -55+125 | |
| Crystal Cutting Type | AT CUT (thickness shear mode) | |
| Spurious Response | -3.0 dB Max. | |
| DLDH2 | 5 Max. | |
| DLDF | (Data not specified) | |
| DLD2 | 10 Max. | |
| FDLDH | 5 Max. | |
| RLD2 | 40 Max. | |
| FDLD | 10 Max. | |
| Dimensions (L) | 1.450.1 mm | |
| Dimensions (L1) | 5.400.1 mm | |
| Dimensions (W) | 3.600.1 mm | |
| Dimensions (W1) | 8.000.1 mm | |
| Dimensions (Height) | 1.2 mm (nominal) | |
| Dimensions (Overall Length) | 12.00.2 mm | |
| Dimensions (Overall Width) | 4.000.11 mm | |
| Dimensions (Pitch) | 1.550.05 mm | |
| Dimensions (Tape Width) | 1750.1 mm | |
| Reel Quantity | 1,000 pcs per reel | (WHITE) |
| Standard Atmospheric Conditions | Ambient Temp: 225, Relative Humidity: 40%~70% | For measurement and tests |
| Measurement Equipment | HP E5100A or equivalent |
Reliability Specifications
| Category | Test Item | Test Methods | Reference Document |
|---|---|---|---|
| Mechanical Endurance | Mechanical Shock | Half sine wave (1000 G), 0.5m sec. duration, 3 times each axis | MIL-STD-202F |
| Mechanical Endurance | Vibration | 10 2000 Hz, 1.52 mm/20G Amplitude, 4 hours each axis (Total 12 hours) | MIL-STD-883E |
| Mechanical Endurance | Gross Leak | Pressure: 2Kg / cm2 | MIL-STD-883E |
| Mechanical Endurance | Fine Leak | Helium Bombing 4.5 Kgf / cm2 for 2 hr | MIL-STD-883E |
| Environmental Endurance | Resistance To Soldering Heat | Pre-heat 125 (60-120 sec), Test Temp 2605 (101 sec) | MIL-STD-202F |
| Environmental Endurance | Thermal Shock | 100 cycles | MIL-STD-883E |
| Environmental Endurance | High Temp & Humidity | 85 3 , RH 85% , 1000Hrs | JIS C5023 |
| Environmental Endurance | High Temp. Storage | + 125 3 for 1000 12 hours | MIL-STD-883E |
| Environmental Endurance | Low Temp. Storage | - 40 3 for 1000 12 hours | MIL-STD-883E |
| Environmental Endurance | Solderability | Temperature 260 5 | JIS C6701 |
Marking
Marking includes: LOGO, Nominal Frequency (MHz), Line Code, Last three digits of Production Lot Number, Year-Month Code.
Year-Month Code Cycle: Four years per cycle.
Example Year-Month Code:
- 2023: a b c d e f g h j k l m
- 2024: n p q r s t u v w x y z
- 2025: A B C D E F G H J K L M
- 2026: N P Q R S T U V W X Y Z
- 2027: a b c d e f g h j k l m
- 2028: n p q r s t u v w x y z
- 2029: A B C D E F G H J K L M
- 2030: N P Q R S T U V W X Y Z
Months: 1=Jan, 2=Feb, ..., 12=Dec.
Packing
Packing standard: EIA-481-2.
2509231351_CHANGXING-ELECTRONICS-9ASC240G0020L_C46613808.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
