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Product Detailed Parameters
- Description：XTAL OSC XO 32.768KHz 3.3V HCMOS
- Series：1521H
- Mfr：Suzhou Hangjing Elec&Tech Co.,Ltd
- Package：Tape & Reel (TR),Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：32.768 kHz
- Function：Enable/Disable
- Output：HCMOS
- Voltage - Supply：3.3V
- Frequency Stability：±30ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：15mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.030" (0.75mm)
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Overview
The 1521H-32K768J33DTSK is a quartz crystal oscillator manufactured by Suzhou Hangjing Elec & Tech Co., Ltd. It operates at a standard frequency of 32.768 kHz and utilizes an HCMOS output signal type. The device functions with a supply voltage of 3.3 V and features enable/disable control capabilities. It is housed in a compact 4-SMD, no lead package with a maximum seated height of 0.030 inches (0.75 mm). This component serves as a precise timing source for low-frequency clock applications.
Feature Summary
- Provides stable 32.768 kHz timing via HCMOS output
- Supports 3.3V operation with enable/disable functionality
- Utilizes a compact 4-SMD surface-mount package
Applications
- Real-time clock circuits
- Microcontroller system clocks
- Low-power embedded devices
Procurement Notes
Verify the specific manufacturer part number against official datasheets to confirm electrical characteristics and pinout compatibility. Ensure that the HCMOS output level and 3.3V supply requirements align with the target circuit design. Confirm package dimensions and soldering specifications before integration into production assemblies.
Selection Notes
Select this component when a precise 32.768 kHz reference is required for timekeeping or synchronization tasks. The HCMOS interface ensures compatibility with standard digital logic families. Consider the enable/disable feature for power management strategies in battery-operated systems requiring periodic wake-up signals.
Part Context
This oscillator belongs to the family of quartz-based frequency control components produced by Suzhou Hangjing. These units are designed for applications demanding high stability and low phase noise. The company focuses on full-cycle R&D and manufacturing of such frequency control elements for global electronics markets.
Replacement Considerations
Cross-reference compatible oscillators from other manufacturers offering identical 32.768 kHz frequencies, HCMOS outputs, and 4-SMD packages. Verify that substitute parts meet the same voltage and current specifications to ensure functional equivalence without redesign.
