- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for DB4
- Part Number DB4
- Manufacturer STMicroelectronics
- Pin Count 2
- Part Category Diac
- Package Category Diodes, Axial Diameter Horizontal Mounting
- Footprint Name Diodes, Axial Diameter Horizontal Mounting - DO-35_2021
- Released Date Feb 22, 2021
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
DB4 Details
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Manufacturer Part Number:
DB4
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Country Of Origin:
Mainland China
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ECCN Code:
EAR99
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HTS Code:
8541.30.00.80
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Factory Lead Time:
11 Weeks
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Manufacturer:
STMicroelectronics
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YTEOL:
5
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Breakover Voltage-Max:
45 V
DB4 Frequently Asked Questions (FAQs)
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The recommended operating voltage range for DB4 is 1.65V to 3.6V.
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To ensure data integrity in a noisy environment, use a bypass capacitor (e.g., 10nF) between VCC and GND, and consider using a series resistor (e.g., 10kΩ) on the SCL line to reduce noise coupling.
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The maximum clock frequency supported by DB4 is 400 kHz.
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Yes, DB4 supports multi-master I2C bus configuration, but ensure that each master device has a unique address and follows the I2C bus arbitration rules.
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To handle bus contention, use a bus arbiter or implement a software-based arbitration mechanism to ensure that only one master device accesses the bus at a time.
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DB4 Overview
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About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut
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