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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.11V SMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：6.11 V
- Tolerance：±4.83%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：60 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 3 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SMD3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The STZ6.2NFHT146 is a low capacitance Zener diode manufactured by Rohm Semiconductor, designed for automotive applications with AEC-Q101 qualification. It features a nominal Zener voltage of 6.2 V, with a typical test current of 5 mA. The device operates within a junction temperature range of -55°C to +150°C and supports a storage temperature range from -65°C to +150°C. Packaged in an SMD3 (SSD3) surface-mount format, it offers a power dissipation rating of 200 mW. The component utilizes a common configuration with three terminals and measures approximately 2.8x2.9 mm with a thickness of 1.3 mm.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- Low capacitance design suitable for high-speed signal lines
- Surface-mount SSD3 package for compact PCB integration
Applications
- Automotive circuit protection against voltage transients
- Voltage reference in automotive electronic control units
- Clamping circuits in infotainment systems
Procurement Notes
Verify the specific ordering suffix HT146 to confirm tape-and-reel packaging quantities. Confirm AEC-Q101 compliance status through official Rohm documentation before implementation. Check supply status as automotive components may have restricted availability or end-of-life notices.
Selection Notes
Select this component when low capacitance and automotive qualification are required. Ensure the 6.2 V Zener voltage aligns with the target circuit's clamping or reference needs. Verify that the 200 mW power dissipation is sufficient for the expected transient energy levels in the application environment.
Part Context
This part belongs to Rohm's STZ series of low capacitance Zener diodes. The series is engineered for automotive electronics requiring robust performance under harsh conditions. The STZ6.2NFHT146 variant specifically targets applications needing precise voltage regulation with minimal signal distortion due to its low capacitance characteristics.
Replacement Considerations
Check for direct cross-reference parts with identical Zener voltage, package type, and AEC-Q101 qualification. Verify pinout compatibility and thermal characteristics before substitution.
