
Overview
The B5817WS is a schottky Diode made by MDD in a SOD-323 package with 2 pins. -55℃~+125℃ 1A 1mA@20V 20V 25A 750mV@3A Independent SOD-323 Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Schottky, from KiCad's library) and its footprint (Diode_SMD:D_SOD-323, from KiCad's library), ready for a KiCad board. 58,069 are in stock at JLCPCB (part C114023).
Symbol
Footprint
From the datasheet
6- Reverse voltage, most
- 20 V · maximum DC blocking voltage · p. 1
- Forward current, most
- 1 A · maximum average rectified output current · p. 1
- Junction, hottest
- 125 °C · maximum operating junction temperature · p. 1
- Junction to air (SOD-323)
- 400 K/W · maximum junction to ambient thermal resistance · p. 1
- Forward voltage
- 450 mV · maximum at IF=1A, Ta=25°C · p. 1
- Forward voltage
- 750 mV · maximum at IF=3A, Ta=25°C · p. 1
Specifications
17| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Peak repetitive peak reverse voltage VRRM | B5817WS | max 20 V | 1 |
| Working peak VRWM | B5817WS | max 20 V | 1 |
| DC Blocking voltage VR | B5817WS | max 20 V | 1 |
| RMS Reverse voltage VR(RMS) | B5817WS | max 14 V | 1 |
| Average rectified output current IO | B5817WS | max 1 A | 1 |
| Peak forward surge current at 8.3ms IFSM | B5817WS; 8.3ms | max 25 A | 1 |
| Power dissipation Pd | B5817WS | max 250 mW | 1 |
| Thermal resistance junction to ambient RΘJA | B5817WS; SOD-323 | max 400 °C/W | 1 |
| Operating Junction Temperature Range Tj | B5817WS | min -55 · max 125 ℃ | 1 |
| Storage temperature TSTG | B5817WS | min -55 · max 125 ℃ | 1 |
| Non-Repetitive peak reverse voltage VRM | B5817WS | max 20 V | 1 |
| Reverse breakdown voltage V(BR) | B5817WS; IR=1mA | min 20 V | 1 |
| Reverse voltage leakage current IR | B5817WS; VR=20V; TA = 25°C | max 1 mA | 1 |
| Reverse voltage leakage current IR | B5817WS; VR=20V; TA = 100°C | max 10 mA | 1 |
| Forward voltage VF | B5817WS; IF=1A | max 0.45 V | 1 |
| Forward voltage VF | B5817WS; IF=3A | max 0.75 V | 1 |
| Diode capacitance CD | B5817WS; VR=4V,f=1.0MHz | max 110 pF | 1 |
Parameters
11- Current - Rectified
- 1A
- Diode Configuration
- Standalone
- Junction Temperature(Max)
- 125℃
- Non-Repetitive Peak Forward Surge Current
- 25A
- Operating Junction Temperature Range
- -55℃~+125℃
- Power Dissipation
- 250mW
- Reverse Leakage Current (Ir)
- 1mA@20V
- Thermal Resistance(Junction to Ambient)
- 400℃/W
- Voltage - DC Reverse(Vr)
- 20V
- Voltage - Forward(Vf)
- 450mV
- Voltage - Forward(Vf@If)
- 750mV@3A
Order codes
1- B5817WSLCSC C114023
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the B5817WS?
Yes. The symbol is Device:D_Schottky and the footprint Diode_SMD:D_SOD-323, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the B5817WS?
SOD-323, with 2 pins. Its footprint is drawn on this page.
Where is the B5817WS datasheet?
MDD publishes it: the Datasheet link on this page opens it.
Where can I order the B5817WS?
JLCPCB lists it as part C114023, with 58,069 in stock; the sellers' links on this page open their listings.
What can replace the B5817WS?
Parts like it in the library: the B5819WS by hongjiacheng, the B5817WS by hongjiacheng, the B5819WS by MDD and the B16WS by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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