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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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ESD protection diode (bi-directional type)


Internal Connection Common anode
Number of Circuits 1
Number of Protected Lines 2
Configuration Bidirectional
Application USB1.1 / Audio / SIM-Card / Power supply
AEC-Q101 Qualified(*)
RoHS Compatible Product(s) (#) Available
Assembly bases Thailand

*: For detail information, please contact to our sales.

Package Information

package name (TOSHIBA) SOT-323 (USM)
Package Image USM
package code SOT-323
Pins 3
Mounting Surface Mount
Package Dimensions View
Land pattern dimensions View

 Please refer to the link destination to check the detailed size.

Absolute Maximum Ratings

Characteristics Symbol Rating Unit
Electrostatic discharge voltage(IEC61000-4-2) VESD +/-25 kV
Peak pulse current (IEC61000-4-5) IPP 3 A

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Working peak reverse voltage (Max) VRWM - +/-24 V
Total Capacitance (Max) CT VR=0V
10 pF
Total Capacitance (Typ.) CT VR=0V
9 pF
Dynamic resistance (Typ.) Rdyn IPP=8A to 16A 1.1 Ω
Reverse Breakdown Voltage (Min) VBR IBR=1mA 26 V
Reverse Current (Max) IR VRWM=24V 0.1 μA
Clamp voltage (Based on IEC61000-4-5) (Typ.) VC IPP=1A 30 V


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Name Date





 (Note) LTspice ® is a trademark and simulation software of ADI (Analog Devices, Inc.).

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Orderable part number

Orderable part number
MOQ(pcs) Reliability
DF3D29FU,LF 3000 Yes -
DF3D29FU,LXGF 3000 - Yes Yes

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