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MMBTA42L

onsemiExtended

-55℃~+150℃ 1 NPN 100nA 225mW 25 300V 500mA 500mV 50MHz 6V NPN SOT-23 Bipolar (BJT) ROHS

Part id
onsemi/MMBTA42L
Category
Bipolar (BJT)
Package
SOT-23
Pins
3
In stock
133,810 at JLCPCB (C94389)
Used on
1 open-source board

Overview

The MMBTA42L is a bipolar made by onsemi in a SOT-23 package with 3 pins. -55℃~+150℃ 1 NPN 100nA 225mW 25 300V 500mA 500mV 50MHz 6V NPN SOT-23 Bipolar (BJT) ROHS.

PCBKit's library has its KiCad symbol (Transistor_BJT:MMBTA42, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 133,810 are in stock at JLCPCB (part C94389). 1 open-source board in 1 repository on GitHub use it.

Symbol

123
Transistor_BJT:MMBTA42From KiCad's library

Footprint

123
Package_TO_SOT_SMD:SOT-23From KiCad's library

Pinout

3
The pins of the MMBTA42L
PinNameType
1BInput
2EPassive
3CPassive

Open-source boards using it

1
  • 2 layers83.5 × 97.5 mmTeleprinterHat, the printed circuit board in 3D

    TeleprinterHat

    MattisLind/teleprinterHat

    A RaspberryPi HAT that interfaces a old school teleprinter

    145 parts6

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the MMBTA42L?

Yes. The symbol is Transistor_BJT:MMBTA42 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 MMBTA42L?

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

Where is the MMBTA42L datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the MMBTA42L?

JLCPCB lists it as part C94389, with 133,810 in stock; the sellers' links on this page open their listings.

What can replace the MMBTA42L?

Parts like it in the library: the S8050 by hongjiacheng, the SS8050 by hongjiacheng, the MMBT5551 by hongjiacheng and the MMBT5401 by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MMBTA42L?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.