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S1A

Diodes Incorporated

1 Independent 1.1V@1A 1A 30A 50V 5uA@50V SMA(DO-214AC) Diodes - General Purpose ROHS

Extended
Category
Diodes General Purpose
Package
SMA(DO-214AC)
Pins
2

Overview

The S1A is a diodes General Purpose made by Diodes Incorporated in a SMA(DO-214AC) package with 2 pins. 1 Independent 1.1V@1A 1A 30A 50V 5uA@50V 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. 3,214 are in stock at JLCPCB (part C150735). 21 open-source boards in 18 repositories on GitHub use it.

Symbol

Device:DFrom KiCad's library

Footprint

12
Diode_SMD:D_SMAFrom KiCad's library

From the datasheet

4
Reverse voltage, most
50 V · VR, max DC blocking voltage · p. 2
Forward current, most
1 A · IO, max average rectified current at TT = +100°C · p. 2
Forward voltage
1.1 V · VFM, max at IF = 1.0A · p. 2
Junction, hottest
150 °C · TJ, max operating junction temperature · p. 2

What it is and has

2
Construction
Glass passivated die · p. 1
Surge overload rating
30A peak · p. 1

Specifications

13
ParameterConditionsAs printedPage
Peak Repetitive Reverse Voltage VRRMS1A; TA = +25°Cmax 50 V2
Working Peak Reverse Voltage VRWMS1A; TA = +25°Cmax 50 V2
DC Blocking Voltage VRS1A; TA = +25°Cmax 50 V2
RMS Reverse Voltage VR(RMS)S1A; TA = +25°Cmax 35 V2
Average Rectified Output Current IOTT = +100°C; single phase, half wave, 60Hz, resistive or inductive load; for capacitance load, derate current by 20%max 1 A2
Non-Repetitive Peak Forward Surge Current IFSMTA = +25°C; 8.3ms Single Half Sine-Wave Superimposed on Rated Loadmax 30 A2
Typical Thermal Resistance, Junction to Terminal (Note 5) RθJTMounted on PC board with 5.0 mm² (0.013 mm thick) copper pads as heat sinktyp 30 °C/W2
Operating and Storage Temperature Range TJ, TSTGmin -65 · max 150 °C2
Forward Voltage VFMTA = +25°C; IF = 1.0Amax 1.1 V2
Peak Reverse Leakage Current at Rated DC Blocking Voltage IRMTA = +25°Cmax 5 uA2
Peak Reverse Leakage Current at Rated DC Blocking Voltage IRMTA = +125°Cmax 100 uA2
Reverse Recovery Time (Note 6) trrTA = +25°C; IF = 0.5A, IR = 1.0A, IRR = 0.25Atyp 1.8 · max 3 us2
Typical Total Capacitance (Note 7) CTTA = +25°C; 1.0MHz; applied reverse voltage of 4.0V DCtyp 10 pF2

Ordering codes, by the datasheet

1
S1A-13-F
SMA · Commercial qualification; 5,000/Tape & Reel · p. 1

Parameters

8
Current - Rectified
1A
Diode Configuration
1 Independent
Junction Temperature(Max)
150℃
Non-Repetitive Peak Forward Surge Current
30A
Operating Junction Temperature Range
-65℃~+150℃
Reverse Leakage Current (Ir)
5uA@50V
Voltage - DC Reverse(Vr)
50V
Voltage - Forward(Vf@If)
1.1V

Order codes

1

Pinout

2
The pins of the S1A
PinNameType
1KPassive
2APassive

Open-source boards using it

All 21
  • 4 layers105 × 30 mmBetter Klipper Expander, the printed circuit board in 3D

    Better Klipper Expander

    Fisheiyy/Better-Klipper-Expander

    A RP2040 based 3D Printer Port Expander

    95 parts14
  • 2 layers77.2 × 49.8 mmIMU, the printed circuit board in 3D

    IMU

    cuspaceflight/spalax

    10 Degree of Freedom Inertial Measurement System

    77 parts11
  • 2 layers86 × 36 mmVacuum Tweezers, the printed circuit board in 3D

    Vacuum Tweezers

    ARENARobotics/MiniPic

    Open-source benchtop vacuum tweezer engineered for SMD soldering, rework, and precision part handling

    31 parts3CERN-OHL-S-2.0
  • 2 layers94 × 72 mmThermostat, the printed circuit board in 3D

    Thermostat

    mbtown01/frosti

    "Financially Reactive Open Source Thermostat Initiative" (FROSTI), a RaspberryPi-based hardware+software solution

    65 parts2
  • 4 layers30 × 100 mmCurly memory kicad, the printed circuit board in 3D

    Curly memory kicad

    rallen-device/curly-memory

    Open source hardware for eurorack using ESP32

    84 parts2MIT
  • 4 layers110 × 60 mmClearBell V0.2, the printed circuit board in 3D

    ClearBell V0.2

    akoerner-dev/ClearBell

    Selbst entwickeltes ESP32-Klingelsystem fuer ein Zweifamilienhaus - KiCad-Hardware und Arduino-Firmware (WLAN/UDP, HMAC-gesichert).

    88 parts1MIT
  • 2 layers46 × 77 mmOn off module x1, the printed circuit board in 3D

    On off module x1

    AlanCarvalhoEE/hap

    Home Automation Platform with custom hardware and firmware (ESP8266), a Raspberry Pi–based server, and an Android client. Features modular IoT devices, TCP/IP and MQTT messaging, and a scalable system architecture.

    40 parts1
  • 4 layers179.3 × 72.5 mmStarter, the printed circuit board in 3D

    Starter

    alicedimauro/Tilt

    59 parts1

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A picture
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A picture that opens the part, for a README
[![S1A](https://pcbkit.io/embed/parts/diodes/S1A.jpg?size=s)](https://pcbkit.io/parts/diodes/S1A)

Questions

Is there a KiCad symbol and footprint for the S1A?

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 S1A?

SMA(DO-214AC), with 2 pins. Its footprint is drawn on this page.

Where is the S1A datasheet?

Diodes Incorporated publishes it: the Datasheet link on this page opens it.

Where can I order the S1A?

JLCPCB lists it as part C150735, with 3,214 in stock; the sellers' links on this page open their listings.

What can replace the S1A?

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.

Which open-source boards use the S1A?

21 boards in 18 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8