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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.6V SMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：5.6 V
- Tolerance：±5.45%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：60 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 2.5 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 STZ5.6NFHT146 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 5.6 V with a typical tolerance range between 5.32 V and 5.88 V at a test current of 5 mA. The device operates in an SMD3 (SSD3) package, equivalent to SOT-346, with dimensions of 2.8x2.9 mm. It supports a maximum power dissipation of 200 mW and functions within a junction temperature range up to 150 °C, suitable for surface-mount mounting styles.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- Low capacitance design for high-speed signal protection
- Compact SMD3 surface-mount package configuration
Applications
- Automotive electronic circuit protection
- Voltage reference stabilization in automotive modules
- Transient voltage suppression in low-capacitance applications
Procurement Notes
Verify the specific ordering suffix HT146 against the manufacturer's current datasheet to confirm tape-and-reel packaging details. Ensure the component meets the required AEC-Q101 grade for your specific automotive application environment. Cross-reference the SSD3 package code with your PCB footprint specifications before finalizing procurement orders.
Selection Notes
Select this component when low parasitic capacitance is critical for signal integrity in automotive environments. Compare the 200 mW power dissipation limit against your circuit's thermal requirements. Verify that the 5.6 V Zener voltage aligns with your target clamping or reference voltage needs within the specified tolerance band.
Part Context
This part belongs to Rohm's STZ series of low capacitance Zener diodes. The series is engineered specifically for automotive electronics requiring robust performance under harsh conditions. The STZ5.6NFHT146 variant utilizes the SSD3 package to provide a compact solution for space-constrained printed circuit board designs.
Replacement Considerations
Check for direct equivalents from other manufacturers offering AEC-Q101 qualified low capacitance Zener diodes in the SOT-346/SSD3 package. Ensure any substitute matches the 5.6 V nominal voltage and similar capacitance values to maintain circuit performance.
