
Overview
The LM2903Q2T is a comparator made by STMicroelectronics in a DFN-8(2x2) package with 8 pins. -40℃~+125℃ 2 2.5mA 250nA 2V~36V 7mV DFN-8(2x2) Comparators ROHS.
PCBKit's library has its KiCad symbol (Comparator:LM2903, from KiCad's library) and its footprint (Package_DFN_QFN:DFN-8_2x2mm_P0.5mm, from KiCad's library), ready for a KiCad board. 115 are in stock at JLCPCB (part C443858).
Symbol
Footprint
Parameters
8- Ib - Input Bias Current
- 250nA
- Input Offset Current(Ios)
- 5nA
- Number of Channels
- 2
- Operating Temperature
- -40℃~+125℃
- Propagation Delay Time
- 1.3us
- Quiescent Current
- 2.5mA
- Single Supply
- 2V~36V
- Vos - Input Offset Voltage
- 7mV
Order codes
1- LM2903Q2TLCSC C443858
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | — | Open collector |
| 2 | - | Input |
| 3 | + | Input |
| 4 | V- | Power in |
| 5 | + | Input |
| 6 | - | Input |
| 7 | — | Open collector |
| 8 | V+ | Power in |
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Is there a KiCad symbol and footprint for the LM2903Q2T?
Yes. The symbol is Comparator:LM2903 and the footprint Package_DFN_QFN:DFN-8_2x2mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM2903Q2T?
DFN-8(2x2), with 8 pins. Its footprint is drawn on this page.
Where is the LM2903Q2T datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the LM2903Q2T?
JLCPCB lists it as part C443858, with 115 in stock; the sellers' links on this page open their listings.
What can replace the LM2903Q2T?
Parts like it in the library: the LM393QT by STMicroelectronics, the LM2903YQ3T by STMicroelectronics, the TSX3702IQ2T by STMicroelectronics and the TS883IQ2T by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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