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Product Detailed Parameters
- Description：Low RON OVP with RCP
- Series：-
- Mfr：ETEK MICROELECTRONICS
- Package：Tape & Reel (TR)
- Voltage - Clamping：14.5V
- Technology：Internal Switch
- Number of Circuits：1
- Applications：-
- Mounting Type：Surface Mount
- Package / Case：12-UFBGA, WLCSP
- Supplier Device Package：12-WLCSP (1.77x1.47)
- Grade：-
- Qualification：-
Download product information
Overview
The ET9919B is an overvoltage and surge protection integrated circuit manufactured by Etek Microelectronics. It features a low on-resistance (RON) design with an internal switch rated at 14.5V. The device is packaged in a compact 12-WLCSP format measuring 1.77x1.47 mm. It supports tape and reel packaging for automated assembly and complies with RoHS standards.
Feature Summary
- Integrated overvoltage and surge protection functionality
- Low on-resistance architecture for efficient power handling
- Built-in internal switch mechanism
Applications
- Mobile device circuit protection
- Overvoltage suppression systems
- Surge protection applications
Procurement Notes
Verify the specific package variant and electrical ratings against the official datasheet before procurement. Confirm RoHS compliance status and ensure the supplier provides genuine Etek Microelectronics components to avoid counterfeit risks. Check availability of the 12-WLCSP configuration.
Selection Notes
Select this component for applications requiring compact overvoltage protection with low insertion loss. The small WLCSP footprint suits space-constrained designs. Ensure the 14.5V internal switch threshold aligns with system voltage requirements. Consider thermal performance and current handling capabilities relative to the low RON specification.
Part Context
Etek Microelectronics specializes in high-performance analog ICs, including power management and protection solutions. The ET9919B belongs to their series of surge suppression devices designed for mobile and portable electronics. This part addresses the need for reliable circuit protection in compact form factors.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing board layouts if considering alternative suppliers.
FAQ
What is the internal switch voltage rating?
The ET9919B features an internal switch rated at 14.5V.
What package type does the ET9919B use?
It uses a 12-WLCSP package with dimensions of 1.77x1.47 mm.
