
Overview
The FSB649 is a bipolar made by onsemi in a SOT-23-3 package with 3 pins. -55℃~+150℃ 100 100nA 150MHz 25V 3A 500mW 600mV NPN SOT-23-3 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NPN_1B_2E_3C, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-23-3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C891277).
Symbol
Footprint
Parameters
11- Collector - Emitter Voltage VCEO
- 25V
- Current - Collector Cutoff
- 100nA
- Current - Collector(Ic)
- 3A
- DC Current Gain
- 100
- Emitter-Base Voltage(Vebo)
- 5V
- Number
- 1 NPN
- Operating Temperature
- -55℃~+150℃
- Pd - Power Dissipation
- 500mW
- Transition frequency(fT)
- 150MHz
- Vce Saturation(VCE(sat))
- 600mV
- type
- NPN
Order codes
1- FSB649LCSC C891277
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
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<iframe src="https://pcbkit.io/embed/parts/onsemi/FSB649" title="FSB649 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/FSB649.jpg" alt="FSB649" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/FSB649)Questions
Is there a KiCad symbol and footprint for the FSB649?
Yes. The symbol is Pinmap_Generic:Q_NPN_1B_2E_3C and the footprint Package_TO_SOT_SMD:SOT-23-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the FSB649?
SOT-23-3, with 3 pins. Its footprint is drawn on this page.
Where is the FSB649 datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the FSB649?
JLCPCB lists it as part C891277, with 0 in stock; the sellers' links on this page open their listings.
What can replace the FSB649?
Parts like it in the library: the ZXTP25020CFHTA by Diodes Incorporated, the ZXTN25060BFHTA by Diodes Incorporated, the ZXTP25012EFHTA by Diodes Incorporated and the JMTJ3400A by Jiangsu JieJie Microelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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