Skip to the content
PCBKitNew board
MMDT3946DW on a board, in 3D

MMDT3946DW

GOODWORK

Extended
DatasheetJLCPCBLCSCgoodwork/MMDT3946DW
Category
Bipolar (BJT)
Package
SOT-363
Pins
6

Overview

The MMDT3946DW is a bipolar made by GOODWORK in a SOT-363 package with 6 pins.

PCBKit's library has its KiCad symbol (Transistor_BJT:MMDT3946, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-363_SC-70-6, from KiCad's library), ready for a KiCad board. 5,996 are in stock at JLCPCB (part C22470864).

Symbol

126
Transistor_BJT:MMDT3946From KiCad's library

Footprint

123456
Package_TO_SOT_SMD:SOT-363_SC-70-6From KiCad's library

Parameters

11
Collector - Emitter Voltage VCEO
40V
Current - Collector Cutoff
0.05uA
Current - Collector(Ic)
200mA
DC Current Gain
300
Emitter-Base Voltage VEBO
5V
Number
1 NPN,1 PNP
Operating Temperature
-55℃~+150℃@(Tj)
Pd - Power Dissipation
200mW
Transition frequency(fT)
250MHz
Vce Saturation(VCE(sat))
400mV
type
NPN+PNP

Order codes

1

Pinout

6
The pins of the MMDT3946DW
PinNameType
1E1Passive
2B1Input
3C2Passive
4E2Passive
5B2Input
6C1Passive

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/goodwork/MMDT3946DW" title="MMDT3946DW in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/goodwork/MMDT3946DW.jpg" alt="MMDT3946DW" width="1200" height="900">
A picture that opens the part, for a README
[![MMDT3946DW](https://pcbkit.io/embed/parts/goodwork/MMDT3946DW.jpg?size=s)](https://pcbkit.io/parts/goodwork/MMDT3946DW)

Questions

Is there a KiCad symbol and footprint for the MMDT3946DW?

Yes. The symbol is Transistor_BJT:MMDT3946 and the footprint Package_TO_SOT_SMD:SOT-363_SC-70-6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MMDT3946DW?

SOT-363, with 6 pins. Its footprint is drawn on this page.

Where is the MMDT3946DW datasheet?

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

Where can I order the MMDT3946DW?

JLCPCB lists it as part C22470864, with 5,996 in stock; the sellers' links on this page open their listings.

What can replace the MMDT3946DW?

Parts like it in the library: the MMDT3906 by hongjiacheng, the BC857BS by FUXINSEMI, the MMDT3904 by hongjiacheng and the MMDT3904 by TWGMC. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8