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2SC4278 on a board, in 3D

2SC4278

SPTECH

1.5V 100uA 10A 150V 20MHz NPN TO-247-3 Bipolar (BJT) ROHS

Extended
JLCPCBLCSCsptech/2SC4278
Category
Bipolar (BJT)
Package
TO-247-3
Pins
3

Overview

The 2SC4278 is a bipolar made by SPTECH in a TO-247-3 package with 3 pins. 1.5V 100uA 10A 150V 20MHz NPN TO-247-3 Bipolar (BJT) ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NPN_1B_2C_3E, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_THT:TO-247-3_Vertical, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2907915).

Symbol

Pinmap_Generic:Q_NPN_1B_2C_3EFrom PCBKit's generic symbols

Footprint

123
Package_TO_SOT_THT:TO-247-3_VerticalFrom KiCad's library

Order codes

1

Pinout

3
The pins of the 2SC4278
PinNameType
1BInput
2CPassive
3EPassive

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A picture that opens the part, for a README
[![2SC4278](https://pcbkit.io/embed/parts/sptech/2SC4278.jpg?size=s)](https://pcbkit.io/parts/sptech/2SC4278)

Questions

Is there a KiCad symbol and footprint for the 2SC4278?

Yes. The symbol is Pinmap_Generic:Q_NPN_1B_2C_3E and the footprint Package_TO_SOT_THT:TO-247-3_Vertical, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 2SC4278?

TO-247-3, with 3 pins. Its footprint is drawn on this page.

Where can I order the 2SC4278?

JLCPCB lists it as part C2907915, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 2SC4278?

Parts like it in the library: the HT2SA1943-ODZ by HTCSEMI, the MJW18020 by onsemi, the TIP36CW by STMicroelectronics and the 2SB817 by SPTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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