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Updated at 02/11/2025 10:30:15(UTC+8)

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Description

The USB6B1 from STMicroelectronics is a data line protection device in 8pin SOIC package. This device is used where transient overvoltage protection in sensitive equipment is required such as USB ports, RS423 interfaces, RS485 interfaces, ISDN equipment, T1/E1 line cards and HDSL / ASDL interfaces. It is used in order to prevent fast transients leading to severe damages in high speed data system. The USB6B1 protects two input lines against overvoltages and keeps the power rails in a safe limit. It provides protection for each line and between supply voltage and GND.
Full diode bridge with integrated clamping protection
Breakdown voltage (Vbr) of 6V between VBUS and GND
Peak pulse power dissipation of 500W (8/20µs)
Peak pulse current of 25A (8/20µs) and 40A (2/10µs)
Very low capacitance and compatible with high debit data or signal rates
High ESD protection up to level 3 per MIL STD 883C method 3015-6
Separated inputs and outputs (4 point structure) to improve ESD susceptibility
Comprehensive package pin-out for immediate implementation
Complies with MIL STD 883C method 3015-6, IEC 61000-4-2 level 4
Operating temperature range from -40°C to 85°C
A good precaution to take is to put the protection device as close as possible to disturbance source (generally the connector).

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USB6B1 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Operating Voltage	5.25 V
Capacitance	25 pF
Breakdown Voltage	6 V
Number of Circuits	2 Circuit
Number of Channels	2 Channel
Number of Positions	8 Position
Power Dissipation	500 W
Test Current	1 mA
Peak Pulse Power	500 W
Min Breakdown Voltage	6 V
Reverse Breakdown Voltage	6 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
	Show
Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.25 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	Yes
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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