ECS-300-20-30B-DU ECS Crystal or Oscillator (Other) In Stock
ECS-300-20-30B-DU is a 30 MHz fundamental mode SMD crystal from ECS with 20 pF load capacitance, ±30 ppm frequency tolerance, and ±100 ppm stability. The 4-pin SMD package suits compact wireless and microcontroller clock applications with low 300 µW drive level.
- Manufacturer
- ECS
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- ECS-300-20-30B-DU Datasheet PDF
- Category
- Crystal or Oscillator
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 30 MHz fundamental mode operation with ±30 ppm tight frequency tolerance for precision timing
- Low 300 µW maximum drive level reduces power dissipation and extends crystal life
- 20 pF load capacitance with 30 Ohm ESR in compact 4-pin SMD package for space-constrained designs
Applications
ECS-300-20-30B-DU is used as the primary clock source in Bluetooth and Wi-Fi module designs that require a stable 30 MHz reference with ±100 ppm frequency stability across temperature. Microcontroller and FPGA-based systems benefit from its ±30 ppm tolerance, ensuring accurate baud-rate generation and signal timing. Its compact 4-pin SMD footprint and tape-and-reel packaging make it ideal for high-volume automated assembly in consumer electronics.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 14Weeks |
| YTEOL | 7.2 |
| Aging | 5PPM/YEAR |
| Crystal/Resonator Type | PARALLEL - FUNDAMENTAL |
| Drive Level | 300 µW |
| Frequency Stability | 0.01% |
| Frequency Tolerance | 30ppm |
| JESD-609 Code | e4 |
| Load Capacitance | 20pF |
| Mounting Feature | SURFACE MOUNT |
| Operating Frequency-Nom | 30MHz |
| Physical Dimension | L5.0XB3.2XH0.85 (mm)/L0.197XB0.126XH0.033 (inch) |
| Series Resistance | 30Ω |
| Surface Mount | YES |
| Terminal Finish | Gold (Au) - with Nickel (Ni) barrier |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8541.60.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ECS-300-20-30B-DU:
suggested
suggested
Frequently Asked Questions
What is the frequency tolerance and stability specification of ECS-300-20-30B-DU, and why does that matter for wireless designs?
ECS-300-20-30B-DU offers ±30 ppm frequency tolerance at 30 MHz and ±100 ppm stability over the operating temperature range. For wireless designs such as Bluetooth or Zigbee, tight tolerance ensures the RF carrier stays within the allowed channel bandwidth, reducing packet errors and avoiding regulatory compliance issues at high data rates.
What load capacitance does ECS-300-20-30B-DU require, and how does it affect oscillator circuit design?
ECS-300-20-30B-DU specifies a 20 pF load capacitance, which must be matched by the external capacitors in the Pierce oscillator circuit connected to the microcontroller or oscillator IC. Mismatching by more than 2-3 pF can shift the oscillation frequency by several ppm, so designers should account for PCB stray capacitance of approximately 1-2 pF per pad.
In which application categories is the ECS-300-20-30B-DU commonly deployed as a clock source?
ECS-300-20-30B-DU is commonly used in IoT sensor nodes, Bluetooth low-energy modules, and industrial microcontroller boards that require a 30 MHz clock with low phase noise and a drive level of only 300 µW. Its 4-pin SMD form factor also suits GPS receiver front-ends and USB full-speed interface circuits that use 30 MHz as a reference.
How does ECS-300-20-30B-DU compare in aging performance to typical general-purpose crystals?
ECS-300-20-30B-DU specifies an aging rate of 5 ppm per year, which is consistent with standard commercial-grade SMD crystals. Over a 5-year product lifetime this cumulative drift of up to 25 ppm remains within the ±100 ppm stability budget, making it acceptable for most industrial and consumer clock applications without requiring recalibration.
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