
Overview
The 1N4740A is a zener Diode made by Multicomp in a DO-41 package with 2 pins. 10V 10uA@7.6V 1W 7Ω DO-41 Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:1N47xxA, from KiCad's library) and its footprint (Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C194121).
Symbol
Footprint
Parameters
5- Diode Configuration
- Independent
- Impedance(Zzt)
- 7Ω
- Pd - Power Dissipation
- 1W
- Reverse Leakage Current (Ir)
- 10uA@7.6V
- Zener Voltage(Nom)
- 10V
Order codes
1- 1N4740ALCSC C194121
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the 1N4740A?
Yes. The symbol is Diode:1N47xxA and the footprint Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N4740A?
DO-41, with 2 pins. Its footprint is drawn on this page.
Where is the 1N4740A datasheet?
Multicomp publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4740A?
JLCPCB lists it as part C194121, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4740A?
Parts like it in the library: the 1N4740A-TR by Vishay Intertechnology, the 1N4740A by LGE, the 1N4740A by luJing and the 1N4740A-T50A by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
81N4740A-TR
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