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MMDT3946 on a board, in 3D

MMDT3946

Jiangsu Changjing Electronics Technology (CJ)

-55℃~+150℃ 1 NPN + 1 PNP 200mA 200mW 300 300MHz 400mV 40V 50nA 5V NPN+PNP SOT-363 Bipolar (BJT) ROHS

Extended
DatasheetJLCPCBLCSCcj/MMDT3946
Category
Bipolar (BJT)
Package
SOT-363
Pins
6

Overview

The MMDT3946 is a bipolar made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-363 package with 6 pins. -55℃~+150℃ 1 NPN + 1 PNP 200mA 200mW 300 300MHz 400mV 40V 50nA 5V NPN+PNP SOT-363 Bipolar (BJT) ROHS.

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. 559 are in stock at JLCPCB (part C402312).

Symbol

126
Transistor_BJT:MMDT3946From KiCad's library

Footprint

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

Parameters

12
Collector - Emitter Voltage VCEO
40V
Configuration
Standalone
Current - Collector Cutoff
50nA
Current - Collector(Ic)
200mA
DC Current Gain
300
Emitter-Base Voltage(Vebo)
5V
Number
1 NPN + 1 PNP
Operating Temperature
-55℃~+150℃
Pd - Power Dissipation
200mW
Transition frequency(fT)
300MHz
Vce Saturation(VCE(sat))
400mV
type
NPN+PNP

Order codes

1

Pinout

6
The pins of the MMDT3946
PinNameType
1E1Passive
2B1Input
3C2Passive
4E2Passive
5B2Input
6C1Passive

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Questions

Is there a KiCad symbol and footprint for the MMDT3946?

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 MMDT3946?

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

Where is the MMDT3946 datasheet?

Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.

Where can I order the MMDT3946?

JLCPCB lists it as part C402312, with 559 in stock; the sellers' links on this page open their listings.

What can replace the MMDT3946?

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