| Allicdata Part #: | STZ6.8TT146TR-ND |
| Manufacturer Part#: |
STZ6.8TT146 |
| Price: | $ 0.14 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | ROHM Semiconductor |
| Short Description: | DIODE ZENER ARRAY 6.8V SMD3 |
| More Detail: | Zener Diode Array 1 Pair Common Anode 6.8V 200mW ±... |
| DataSheet: |  STZ6.8TT146 Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 3000 +: | $ 0.12675 |
| 6000 +: | $ 0.11857 |
| 15000 +: | $ 0.11040 |
| 30000 +: | $ 0.10467 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Configuration: | 1 Pair Common Anode |
| Voltage - Zener (Nom) (Vz): | 6.8V |
| Tolerance: | ±5% |
| Power - Max: | 200mW |
| Impedance (Max) (Zzt): | 40 Ohms |
| Current - Reverse Leakage @ Vr: | 500nA @ 3.5V |
| Operating Temperature: | -- |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package: | SMD3 |
| Base Part Number: | STZ6V8 |
Description
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Diodes - Zener - Arrays refer to an assembly of several series-connected Zener diodes placed in a single package, providing protection against high voltage or disruptive ripple voltage as well as spreading the current among the diodes. The STZ6.8TT146 is a Zener diode array characterized by low noise, low leakage current, and excellent immunity against transient pulse events. This article aims to present the application field and working principle of the STZ6.8TT146 in detail.
The STZ6.8TT146 is designed for high-reliability applications where a high degree of immunity to three-stage ESD, surge, and EFT events is required. It is ideal for industrial and automotive applications like DC/DC converters, power supplies, computers, and automotive electronics, as well as HVAC/R and solid-state lighting systems.
The STZ6.8TT146 consists of four Zener diodes in series configured to provide high-voltage protection. Each Zener diode has a reverse voltage rating of 6.8V and a power dissipation rating of 0.5W. The combined reverse voltage rating of the device is specified at 27.2V, while the combined power dissipation rating is 2W. The STZ6.8TT146 also has excellent thermal protection and temperature stability.
The STZ6.8TT146 has an operating temperature range of -55°C to +125°C and a storage temperature range of -65°C to +150°C. The device has load current ratings of 5mA, 10mA and 15mA, with corresponding voltage ratings of 5.4V, 6.1V and 6.8V, respectively. The device’s thermal resistance is approximately 5°C/W.
When the voltage across the device increases beyond the breakdown voltage of the Zener diode, a surplus current is drawn from the cathode of the diode which reduces the voltage across the diode back to the breakdown voltage. This process, referred to as Zener regulation, is the working principle of the STZ6.8TT146 and is essential for providing both excellent overvoltage and overcurrent protection.
The STZ6.8TT146 also provides a significant amount of voltage spike and transient protection. As with conventional Zener diode arrays, the combined voltage rating across the array is able to disperse and dissipate high-voltage transient spikes without adversely affecting the circuit or device. This feature makes the STZ6.8TT146 well suited for high-voltage protection applications.
The STZ6.8TT146 is also able to resist common-mode EFT and surge events. The device is designed to withstand maximum transient events up to 4kV, which makes it well-suited for automotive and industrial applications where reliable protection from external electrical events is required.
The STZ6.8TT146 is widely used in automotive, industrial and consumer electronics, and the HVAC/R and lighting industry for providing protection from destructive transient and high voltages. Its low noise and leakage current rating make it suitable for sensitive circuitry and its excellent thermal protection ensures reliable and consistent performance under heavy load conditions. Its compact form factor and versatility make it a highly sought-after device for numerous applications.
In conclusion, the STZ6.8TT146 is a four-diode array with excellent immunity against three-stage ESD, surge, and EFT events. It has a maximum reverse voltage rating of 27.2V, a power dissipation rating of 2W, and an operating temperature range of -55°C to +125°C. Its excellent thermal protection, low noise, and low leakage current make it an ideal device for both industrial and automotive applications. Its versatility and wide operating temperature range make it a well-suited device for providing reliable protection from transient and high voltage events.
The specific data is subject to PDF, and the above content is for reference
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