
Overview
The S1M is a diodes General Purpose made by MDD in a SMA(DO-214AC) package with 2 pins. -55℃~+150℃ 1.1V@1A 1A 1kV 30A 5uA@1kV Independent SMA(DO-214AC) Diodes - General Purpose ROHS.
PCBKit's library has its KiCad symbol (Device:D, from KiCad's library) and its footprint (Diode_SMD:D_SMA, from KiCad's library), ready for a KiCad board. 154,848 are in stock at JLCPCB (part C64915).
Symbol
Footprint
From the datasheet
5- Reverse voltage, most
- 1 kV · repetitive peak reverse voltage, max · p. 1
- Forward current, most
- 1 A · average forward rectified current at TL = 110 °C, max · p. 1
- Forward voltage
- 1.1 V · instantaneous forward voltage at 1.0 A, max · p. 1
- Junction, hottest
- 150 °C · operating junction temperature, max · p. 1
- Junction to air (DO-214AC/SMA)
- 75 K/W · junction to ambient, PCB mounted with 5.0 × 5.0 mm copper pad areas, typical · p. 1
Parameters
9- Current - Rectified
- 1A
- Diode Configuration
- Standalone
- Junction Temperature(Max)
- 150℃
- Non-Repetitive Peak Forward Surge Current
- 30A
- Operating Junction Temperature Range
- -55℃~+150℃
- Reverse Leakage Current (Ir)
- 5uA@1kV
- Thermal Resistance(Junction to Ambient)
- 75℃/W
- Voltage - DC Reverse(Vr)
- 1000V
- Voltage - Forward(Vf@If)
- 1.1V
Order codes
1- S1MLCSC C64915
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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<iframe src="https://pcbkit.io/embed/parts/mdd/S1M" title="S1M in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/mdd/S1M.jpg" alt="S1M" width="1200" height="900">[](https://pcbkit.io/parts/mdd/S1M)Questions
Is there a KiCad symbol and footprint for the S1M?
Yes. The symbol is Device:D 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 S1M?
SMA(DO-214AC), with 2 pins. Its footprint is drawn on this page.
Where is the S1M datasheet?
MDD publishes it: the Datasheet link on this page opens it.
Where can I order the S1M?
JLCPCB lists it as part C64915, with 154,848 in stock; the sellers' links on this page open their listings.
What can replace the S1M?
Parts like it in the library: the M7 by MDD, the M7 by hongjiacheng, the M7 by MSKSEMI and the M7 by Yangzhou Yangjie Electronic Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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