
Overview
The 2N3773 is a bipolar made by SPTECH in a TO-3 package with 4 pins. 1 NPN 140V 150W 16A 4V 60 7V NPN Standalone TO-3 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NPN_1B_2E_3C_4C, from PCBKit's generic symbols) and its footprint (EasyEDA_Cloud:TO-3_L39.4-W26.7-P10.92-BL, from EasyEDA), ready for a KiCad board. 127 are in stock at JLCPCB (part C479998).
Symbol
Footprint
Parameters
9- Collector - Emitter Voltage VCEO
- 140V
- Configuration
- Standalone
- Current - Collector(Ic)
- 16A
- DC Current Gain
- 60
- Emitter-Base Voltage(Vebo)
- 7V
- Number
- 1 NPN
- Pd - Power Dissipation
- 150W
- Vce Saturation(VCE(sat))
- 4V
- type
- NPN
Order codes
1- 2N3773LCSC C479998
Pinout
4| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
| 4 | C | Passive |
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<iframe src="https://pcbkit.io/embed/parts/sptech/2N3773" title="2N3773 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/sptech/2N3773.jpg" alt="2N3773" width="1200" height="900">[](https://pcbkit.io/parts/sptech/2N3773)Questions
Is there a KiCad symbol and footprint for the 2N3773?
Yes. The symbol is Pinmap_Generic:Q_NPN_1B_2E_3C_4C and the footprint EasyEDA_Cloud:TO-3_L39.4-W26.7-P10.92-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2N3773?
TO-3, with 4 pins. Its footprint is drawn on this page.
Where is the 2N3773 datasheet?
SPTECH publishes it: the Datasheet link on this page opens it.
Where can I order the 2N3773?
JLCPCB lists it as part C479998, with 127 in stock; the sellers' links on this page open their listings.
What can replace the 2N3773?
Parts like it in the library: the 2N5686 by SPTECH, the MJ21194 by SPTECH, the 2KW8629 by SPTECH and the 2N4399 by SPTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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