
LM399AH
Analog DevicesExtended
TO-46-4 Voltage Reference ROHS
- Part id
- adi/LM399AH
- Category
- Voltage References
- Package
- TO-46-4
- Pins
- 4
- In stock
- 0 at JLCPCB (C157610)
- Used on
- 1 open-source board
Overview
The LM399AH is a voltage Reference made by Analog Devices in a TO-46-4 package with 4 pins. TO-46-4 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (Reference_Voltage:LM399, from KiCad's library) and its footprint (Package_TO_SOT_THT:Analog_TO-46-4_ThermalShield, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C157610). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
4| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
| 3 | — | Power in |
| 4 | — | Power in |
Open-source boards using it
1- 4 layers45.7 × 16.5 mm

Questions
Is there a KiCad symbol and footprint for the LM399AH?
Yes. The symbol is Reference_Voltage:LM399 and the footprint Package_TO_SOT_THT:Analog_TO-46-4_ThermalShield, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM399AH?
TO-46-4, with 4 pins. Its footprint is drawn on this page.
Where is the LM399AH datasheet?
Analog Devices publishes it: the Datasheet link on this page opens it.
Where can I order the LM399AH?
JLCPCB lists it as part C157610, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the LM399AH?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.