

Overview
The CDBA540-HF is a schottky Diode made by Comchip in a SMA(DO-214AC) package with 2 pins. -50℃~+150℃ 1 Independent 125A 40V 500uA@40V 550mV@5A 5A SMA(DO-214AC) Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Schottky, from KiCad's library) and its footprint (Diode_SMD:D_SMA, from KiCad's library), ready for a KiCad board. 4,770 are in stock at JLCPCB (part C2885992). 6 open-source boards in 6 repositories on GitHub use it.
Symbol
Footprint
Parameters
7- Current - Rectified
- 5A
- Diode Configuration
- 1 Independent
- Non-Repetitive Peak Forward Surge Current
- 125A
- Operating Junction Temperature Range
- -50℃~+150℃
- Reverse Leakage Current (Ir)
- 500uA@40V
- Voltage - DC Reverse(Vr)
- 40V
- Voltage - Forward(Vf@If)
- 550mV@5A
Order codes
1- CDBA540-HFLCSC C2885992
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Open-source boards using it
All 6- 4 layers115 × 140 mm

- 2 layers79.7 × 80 mm

Mainboardv1.2
doobedoobedo/Huebner_Inverter
KiCAD port of https://github.com/jsphuebner/inverter-hardware mainboard V1.2
133 parts1 - 2 layers151 × 31 mm

Rainbow music pegasus
adamm/rainbow-music-pegasus
Disclaimer: This work is a work-in-progress. This project is still under active development and is estimated to be completed Spring 2027.
111 partsApache-2.0 - 2 layers174 × 97.8 mm

- 4 layers134 × 140 mm

- 2 layers98.4 × 66 mm

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Is there a KiCad symbol and footprint for the CDBA540-HF?
Yes. The symbol is Device:D_Schottky and the footprint Diode_SMD:D_SMA, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CDBA540-HF?
SMA(DO-214AC), with 2 pins. Its footprint is drawn on this page.
Where is the CDBA540-HF datasheet?
Comchip publishes it: the Datasheet link on this page opens it.
Where can I order the CDBA540-HF?
JLCPCB lists it as part C2885992, with 4,770 in stock; the sellers' links on this page open their listings.
What can replace the CDBA540-HF?
Parts like it in the library: the SS54 by MDD, the SS54 by hongjiacheng, the SS56 by hongjiacheng and the SS510 by MDD. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the CDBA540-HF?
6 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8SS54
SMA(DO-214AC)-55℃~+125℃ 1mA@40V 40V 550mV@5A 5A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky DiodesSS54
SMA(DO-214AC)-55℃~+125℃ 120A 40V 50uA@40V 550mV@5A 5A Independent SMA(DO-214AC) Schottky Diodes ROHShongjiachengSchottky DiodesSS56
SMA(DO-214AC)Schottky DiodeshongjiachengSS510
SMA(DO-214AC)-55℃~+150℃ 100V 1mA@100V 5A 850mV@5A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky DiodesSS510
SMA(DO-214AC)Schottky DiodeshongjiachengSS54
SMA-55℃~+125℃ 150A 40V 500uA 550mV@5A 5A Independent SMB Schottky Diodes ROHSHXY MOSFETSchottky DiodesSS56
SMA-55℃~+150℃ 1mA@60V 5A 60V 700mV@5A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky DiodesSS510
SMA(DO-214AC)-65℃~+150℃ 100V 120A 20uA 5A 850mV@5A Independent SMA(DO-214AC) Schottky Diodes ROHSGOODWORKSchottky Diodes