Overview
The SMA4F5.0AY is an ESD And Surge Protection made by STMicroelectronics in a SMA-flat package with 2 pins. -55℃~+175℃ 13.4V 174A@8/20us 2.5kW@8/20us 20uA 5V 6.74V IEC 61000-4-2、IEC 61000-4-4 Single-channel TVS Unidirectional SMA-flat ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (EasyEDA_Cloud:SMA_L4.3-W2.6-LS5.2-FD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1974547).
Symbol
Footprint
Parameters
11- Clamping Voltage
- 10.3V
- Number of Channels
- 1
- Operating Temperature
- -55℃~+175℃
- Peak Pulse Current (Ipp)
- 174A@8/20us
- Peak Pulse Power Dissipation (Ppp)
- 400W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 20uA
- Reverse Stand-Off Voltage (Vrwm)
- 5V
- Type
- TVS
- Voltage - Breakdown
- 7.1V
- level of protection
- IEC 61000-4-2
Order codes
1- SMA4F5.0AYLCSC C1974547
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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Is there a KiCad symbol and footprint for the SMA4F5.0AY?
Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:SMA_L4.3-W2.6-LS5.2-FD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SMA4F5.0AY?
SMA-flat, with 2 pins. Its footprint is drawn on this page.
Where is the SMA4F5.0AY datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the SMA4F5.0AY?
JLCPCB lists it as part C1974547, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SMA4F5.0AY?
Parts like it in the library: the H5VL10B by hongjiacheng, the PESDNC2FD5VB by Prisemi, the SMF5.0CA by hongjiacheng and the H5VLD3B by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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8
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