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MMBT4403

TDDExtended

SOT-23 Bipolar (BJT) ROHS

Part id
tdd/MMBT4403
Category
Bipolar (BJT)
Package
SOT-23
Pins
5
In stock
2,950 at JLCPCB (C55099125)

Overview

The MMBT4403 is a bipolar made by TDD in a SOT-23 package with 3 pins. SOT-23 Bipolar (BJT) ROHS.

PCBKit's library has its KiCad symbol (dk_Transistors-Bipolar-BJT-Single:MMBT4403_Obsolete, from Digikey) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 2,950 are in stock at JLCPCB (part C55099125).

Symbol

B1C2E3
dk_Transistors-Bipolar-BJT-Single:MMBT4403_ObsoleteFrom Digikey

Footprint

123
Package_TO_SOT_SMD:SOT-23From KiCad's library

Pinout

3
The pins of the MMBT4403
PinNameType
1BInput
2CPassive
3EPassive

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the MMBT4403?

Yes. The symbol is dk_Transistors-Bipolar-BJT-Single:MMBT4403_Obsolete and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MMBT4403?

SOT-23, with 3 pins. Its footprint is drawn on this page.

Where can I order the MMBT4403?

JLCPCB lists it as part C55099125, with 2,950 in stock; the sellers' links on this page open their listings.

What can replace the MMBT4403?

Parts like it in the library: the SS8050 by hongjiacheng, the MMBT5551 by hongjiacheng, the MMBT5401 by hongjiacheng and the MMBT5551 by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.