Overview
The 1N4749APF is a zener Diode made by STMicroelectronics in a DO-41 package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. 3 are in stock at JLCPCB (part C22393388).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 750Ω
- Impedance(Zzt)
- 25Ω
- Pd - Power Dissipation
- 1W
- Reverse Leakage Current (Ir)
- 5uA
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 24V
- Zener Voltage(Range)
- 22.8V~25.2V
Order codes
1- 1N4749APFLCSC C22393388
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N4749APF?
Yes. The symbol is Device:D_Zener, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N4749APF?
DO-41, with 2 pins.
Where is the 1N4749APF datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4749APF?
JLCPCB lists it as part C22393388, with 3 in stock; the sellers' links on this page open their listings.
What can replace the 1N4749APF?
Parts like it in the library: the SMAJ5934B-TP by Micro Commercial Components, the 1SMA4749A by Jiangsu Changjing Electronics Technology (CJ), the 1N5359B by LGE and the 1N4749ATR by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8SMAJ5934B-TP
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SMAGZener DiodesJiangsu Changjing Electronics Technology (CJ)1N5359B
DO-15-55℃~+150℃ 1 Independent 22.8V~25.2V 24V 3.5Ω 500nA 5W DO-15 Zener Diodes ROHSLGEZener Diodes1N4749ATR
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MELF1 Independent 1W 23.52V~24.48V 24V 25Ω 5uA@18.2V 750Ω MELF Zener Diodes ROHSLGEZener DiodesZM4749A
LL-41Zener DiodesMSKSEMIZM4749A
LL-411 Independent 1W 22.8V~25.2V 24V 25Ω 5uA@18.2V 750Ω ±5% LL-41 Zener Diodes ROHSSlkorZener Diodes