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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.6V SMD5
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：2 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：5.6 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：60 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 2.5 V
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SMD5
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The FTZ5.6ET148 is a Zener diode array designed for terminal protection applications, manufactured by Rohm Semiconductor. It features a quad-chip configuration housed in an SMD5 package (SOT-25T), providing four independent Zener channels within a single surface-mount component. The device operates with a typical Zener voltage of 5.6V and supports a maximum junction temperature of 150°C. Designed for robustness against electrostatic discharge, it complies with IEC 61000-4-2 standards, offering protection levels of 8kV for contact discharge and 15kV for air discharge. The unit includes internal series resistors to enhance transient suppression capabilities.
Feature Summary
- Quad-chip architecture integrating four independent Zener diodes for multi-line protection
- IEC 61000-4-2 compliant ESD protection rated at 8kV contact and 15kV air discharge
- Integrated series resistance for enhanced transient voltage suppression
- Surface-mount SOT-25T package optimized for compact PCB layouts
Applications
- ESD protection for high-speed data interfaces such as USB and HDMI
- Terminal protection for automotive electronic control units (ECUs)
- Surge suppression in industrial communication ports
- Voltage clamping for sensitive input pins in consumer electronics
Procurement Notes
Verify the specific ordering suffix ET148 to confirm the taping quantity and reel specifications. Ensure compatibility with automated pick-and-place equipment due to the SOT-25T surface mount form factor. Confirm RoHS compliance status through the manufacturer's latest documentation before integration into regulated products.
Selection Notes
Select this component when multi-channel ESD protection is required in a minimal footprint. Compare the total capacitance and breakdown voltage against similar arrays from other manufacturers to ensure signal integrity is maintained. Verify that the power dissipation rating meets the thermal requirements of the target application environment.
Part Context
This part belongs to Rohm's FTZ series of Zener arrays specifically engineered for terminal protection. The series offers various voltage ratings and channel configurations to suit different interface standards. The FTZ5.6ET148 variant provides a 5.6V clamping level suitable for 3.3V and 5V logic systems requiring robust ESD defense.
Replacement Considerations
Check for direct substitutes with identical pinouts and electrical characteristics. Verify that alternative components meet the same IEC 61000-4-2 certification levels. Ensure the replacement package matches the SOT-25T dimensions for board compatibility.
