
Overview
The DSK34 is a schottky Diode made by MDD in a SOD-123FL package with 2 pins. -55℃~+150℃ 3A 40V 500uA@40V 550mV@3A 80A Independent SOD-123FL Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Schottky, from KiCad's library) and its footprint (Diode_SMD:D_SOD-123F, from KiCad's library), ready for a KiCad board. 208,613 are in stock at JLCPCB (part C41029).
Symbol
Footprint
From the datasheet
5- Reverse voltage, most
- 40 V · Maximum repetitive peak reverse voltage · p. 1
- Forward current, most
- 3 A · Maximum average forward rectified current at TL (see fig.1) · p. 1
- Forward voltage
- 550 mV · Maximum instantaneous forward voltage at 3.0 A · p. 1
- Junction, hottest
- 150 °C · Maximum operating junction temperature · p. 1
- Junction to air (SOD-123FL)
- 80 K/W · Typical junction-to-ambient thermal resistance · p. 1
What it is and has
2- Package
- JEDEC SOD-123FL molded plastic body · p. 1
- Junction
- Metal silicon junction, majority carrier conduction · p. 1
Specifications
12| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Maximum repetitive peak reverse voltage VRRM | DSK34; 25 C ambient unless otherwise specified | max 40 V | 1 |
| Maximum RMS voltage VRMS | DSK34; 25 C ambient unless otherwise specified | max 28 V | 1 |
| Maximum DC blocking voltage VDC | DSK34; 25 C ambient unless otherwise specified | max 40 V | 1 |
| Maximum average forward rectified current I(AV) | DSK34; at TL(see fig.1); single phase half-wave 60Hz, resistive or inductive load | max 3 A | 1 |
| Peak forward surge current IFSM | DSK34; 8.3ms single half sine-wave superimposed onrated load (JEDEC Method) | max 80 A | 1 |
| Maximum instantaneous forward voltage at 3.0A VF | DSK34; 25 C ambient | max 0.55 V | 1 |
| Maximum DCreverse current at rated DCblocking voltage IR | DSK34; TA=25℃ | max 0.5 mA | 1 |
| Maximum DCreverse current at rated DCblocking voltage IR | DSK34; TA=100℃ | max 10 mA | 1 |
| Typical junction capacitance (NOTE 1) CJ | DSK34; measured at 1MHz and applied reverse voltage of 4.0V D.C. | typ 250 pF | 1 |
| Typical thermal resistance (NOTE 2) RJA | DSK34; SOD-123FL | typ 80 ℃/W | 1 |
| Operating junction temperature range TJ | DSK34 | min -55 · max 150 ℃ | 1 |
| Storage temperature range TSTG | DSK34 | min -55 · max 150 ℃ | 1 |
Parameters
10- Current - Rectified
- 3A
- Diode Configuration
- Standalone
- Junction Temperature(Max)
- 150℃
- Non-Repetitive Peak Forward Surge Current
- 80A
- Operating Junction Temperature Range
- -55℃~+150℃
- Reverse Leakage Current (Ir)
- 500uA@40V
- Thermal Resistance(Junction to Ambient)
- 80℃/W
- Voltage - DC Reverse(Vr)
- 40V
- Voltage - Forward(Vf)
- 550mV
- Voltage - Forward(Vf@If)
- 550mV@3A
Order codes
1- DSK34LCSC C41029
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the DSK34?
Yes. The symbol is Device:D_Schottky and the footprint Diode_SMD:D_SOD-123F, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the DSK34?
SOD-123FL, with 2 pins. Its footprint is drawn on this page.
Where is the DSK34 datasheet?
MDD publishes it: the Datasheet link on this page opens it.
Where can I order the DSK34?
JLCPCB lists it as part C41029, with 208,613 in stock; the sellers' links on this page open their listings.
What can replace the DSK34?
Parts like it in the library: the DSK34 by hongjiacheng, the DSK34 by TWGMC, the DSL34 by hongjiacheng and the DSS34 by BORN. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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