![Active Components Diodes 40V1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4 Diodes Electronic Components & Supplies From Deniaiwo1314, $0.03 | DHgate.Com Active Components Diodes 40V1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4 Diodes Electronic Components & Supplies From Deniaiwo1314, $0.03 | DHgate.Com](https://www.dhresource.com/600x600/f2/albu/g10/M01/1B/B1/rBVaVl7lnDeAZH7bAACO-JcBNXo239.jpg)
Active Components Diodes 40V1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4 Diodes Electronic Components & Supplies From Deniaiwo1314, $0.03 | DHgate.Com
![100PCS B5819WS 1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4|s4 car|s4 mobiles4 emblem - AliExpress 100PCS B5819WS 1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4|s4 car|s4 mobiles4 emblem - AliExpress](https://ae01.alicdn.com/kf/He1a5f751664a4f9e9d83c3d6939bed92p/100PCS-B5819WS-1A-40V-1N5819-SMD-Schottky-Diode-SOD-123-Small-Size-S4.jpg)
100PCS B5819WS 1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4|s4 car|s4 mobiles4 emblem - AliExpress
![Burnt SMD diode identification. General Semiconductor S4 6CA - Electrical Engineering Stack Exchange Burnt SMD diode identification. General Semiconductor S4 6CA - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/UvF3I.jpg)
Burnt SMD diode identification. General Semiconductor S4 6CA - Electrical Engineering Stack Exchange
![Buy Wholesale China 40v 1.5a Schottky Diode (lead-free/rohs/reach) For Smt/pcba, With Sod-123 Case On S4 Marking & Schottky Diode | Global Sources Buy Wholesale China 40v 1.5a Schottky Diode (lead-free/rohs/reach) For Smt/pcba, With Sod-123 Case On S4 Marking & Schottky Diode | Global Sources](https://p.globalsources.com/IMAGES/PDT/B1087309371/Schottky-Diode.jpg)
Buy Wholesale China 40v 1.5a Schottky Diode (lead-free/rohs/reach) For Smt/pcba, With Sod-123 Case On S4 Marking & Schottky Diode | Global Sources
![Smd Schottky Rectifier Diode 1n5819 Marking S4 Sl Ss34 Sod-523/323/123 Sma Do-214ac - Ballasts - AliExpress Smd Schottky Rectifier Diode 1n5819 Marking S4 Sl Ss34 Sod-523/323/123 Sma Do-214ac - Ballasts - AliExpress](https://ae01.alicdn.com/kf/He4f7a9982b8b4c6ba62ba9980faae6300.jpg)
Smd Schottky Rectifier Diode 1n5819 Marking S4 Sl Ss34 Sod-523/323/123 Sma Do-214ac - Ballasts - AliExpress
![Buy 10PCS SS24 Schottky Barrier Rectifier Diode 2A 40V SMADO-214AC Marking S4 Replace for SR240 Online in Puerto Rico. B07W5755BC Buy 10PCS SS24 Schottky Barrier Rectifier Diode 2A 40V SMADO-214AC Marking S4 Replace for SR240 Online in Puerto Rico. B07W5755BC](https://m.media-amazon.com/images/I/41VFsuKCiCL._SL1000_.jpg)
Buy 10PCS SS24 Schottky Barrier Rectifier Diode 2A 40V SMADO-214AC Marking S4 Replace for SR240 Online in Puerto Rico. B07W5755BC
![200PCS IN5819W 1N5819W Marking S4 B5819W SOD 123 surface mount schottky barrier diode|diode s4|diode markingdiode schottky - AliExpress 200PCS IN5819W 1N5819W Marking S4 B5819W SOD 123 surface mount schottky barrier diode|diode s4|diode markingdiode schottky - AliExpress](https://ae01.alicdn.com/kf/HTB1k13cNVXXXXa1XVXXq6xXFXXXP/200PCS-IN5819W-1N5819W-Marking-S4-B5819W-SOD-123-surface-mount-schottky-barrier-diode.jpg_Q90.jpg_.webp)
200PCS IN5819W 1N5819W Marking S4 B5819W SOD 123 surface mount schottky barrier diode|diode s4|diode markingdiode schottky - AliExpress
![High Voltage 350ma 40v Sb5150 Tvs Photo A1 Schottky Diode Smd S4 In5818 - Buy Smd Diode S4,Schottky Diode Smd,High Voltage Diode Product on Alibaba.com High Voltage 350ma 40v Sb5150 Tvs Photo A1 Schottky Diode Smd S4 In5818 - Buy Smd Diode S4,Schottky Diode Smd,High Voltage Diode Product on Alibaba.com](http://sc04.alicdn.com/kf/HTB1fDsFKMHqK1RjSZJnq6zNLpXaG.jpg)
High Voltage 350ma 40v Sb5150 Tvs Photo A1 Schottky Diode Smd S4 In5818 - Buy Smd Diode S4,Schottky Diode Smd,High Voltage Diode Product on Alibaba.com
![S5G-E3/57T Vishay General Semiconductor - Diodes Division | Discrete Semiconductor Products | DigiKey S5G-E3/57T Vishay General Semiconductor - Diodes Division | Discrete Semiconductor Products | DigiKey](https://media.digikey.com/photos/Vishay%20Genreral%20Semi%20Photos/112-DO-214AB.jpg)
S5G-E3/57T Vishay General Semiconductor - Diodes Division | Discrete Semiconductor Products | DigiKey
![Active Components Diodes 40V1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4 Diodes Electronic Components & Supplies From Deniaiwo1314, $0.03 | DHgate.Com Active Components Diodes 40V1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4 Diodes Electronic Components & Supplies From Deniaiwo1314, $0.03 | DHgate.Com](https://www.dhresource.com/600x600/f2/albu/g8/M01/08/19/rBVaVF7lnDiARDRfAAB-MRGQD3k009.jpg)
Active Components Diodes 40V1A/40V 1N5819 SMD Schottky Diode SOD 123 Small Size S4 Diodes Electronic Components & Supplies From Deniaiwo1314, $0.03 | DHgate.Com
![50 PCS S4 SOD 123 1N5819 MMBD5819 1206 SMD DIODE SURFACE MOUNT SCHOTTKY|s4| s4 phones4 mobile - AliExpress 50 PCS S4 SOD 123 1N5819 MMBD5819 1206 SMD DIODE SURFACE MOUNT SCHOTTKY|s4| s4 phones4 mobile - AliExpress](https://ae01.alicdn.com/kf/HTB16vZEHFXXXXaOXpXXq6xXFXXX1/50-PCS-S4-SOD-123-1N5819-MMBD5819-1206-SMD-DIODE-SURFACE-MOUNT-SCHOTTKY.jpg)
50 PCS S4 SOD 123 1N5819 MMBD5819 1206 SMD DIODE SURFACE MOUNT SCHOTTKY|s4| s4 phones4 mobile - AliExpress
![This node MCU with esp8266MOD is apparently missing a S4 diode, how can i find out if this diode is relevant to the function of the board and can i just solder This node MCU with esp8266MOD is apparently missing a S4 diode, how can i find out if this diode is relevant to the function of the board and can i just solder](https://external-preview.redd.it/Z8toUnaWgYamEhbI5KyLDeaNUevofmYkvE5mOMy9JOc.jpg?auto=webp&s=30aa2e4d03237d3490283268d4df459234adb429)
This node MCU with esp8266MOD is apparently missing a S4 diode, how can i find out if this diode is relevant to the function of the board and can i just solder
![SS14-7000HE3/5AT SBD Schottky Barrier Diodes 40v 1A 500mV/0.5V SMA/DO-214AC marking S4 low forward voltage low thermal resistance|Welcome to Eric Online Store - Shenzhen ERIC Electronics Co., Ltd. SS14-7000HE3/5AT SBD Schottky Barrier Diodes 40v 1A 500mV/0.5V SMA/DO-214AC marking S4 low forward voltage low thermal resistance|Welcome to Eric Online Store - Shenzhen ERIC Electronics Co., Ltd.](http://www.1688eric.com/images/product/2012-9-27/ss14%20vishay.jpg)
SS14-7000HE3/5AT SBD Schottky Barrier Diodes 40v 1A 500mV/0.5V SMA/DO-214AC marking S4 low forward voltage low thermal resistance|Welcome to Eric Online Store - Shenzhen ERIC Electronics Co., Ltd.
![Smd Diode S4 Sma 40v 1n5819 1n5819w 40v 1a Sod123/1206 Schottky Smd Diode S4 - Buy Smd Diode S4,Diode S4,Diode S4 81a Product on Alibaba.com Smd Diode S4 Sma 40v 1n5819 1n5819w 40v 1a Sod123/1206 Schottky Smd Diode S4 - Buy Smd Diode S4,Diode S4,Diode S4 81a Product on Alibaba.com](https://sc04.alicdn.com/kf/H46ca06cce4a84d59b4cf0e720573ed873.jpg)
Smd Diode S4 Sma 40v 1n5819 1n5819w 40v 1a Sod123/1206 Schottky Smd Diode S4 - Buy Smd Diode S4,Diode S4,Diode S4 81a Product on Alibaba.com
![Free Delivery. Japan Industrial Equipment diode SMD diode S4 72A, 10 from the grant|s4 iphone|diode in4003s4 phone - AliExpress Free Delivery. Japan Industrial Equipment diode SMD diode S4 72A, 10 from the grant|s4 iphone|diode in4003s4 phone - AliExpress](https://ae01.alicdn.com/kf/HTB19xyOKFXXXXaeXpXXq6xXFXXX3/Free-Delivery-Japan-Industrial-Equipment-diode-SMD-diode-S4-72A-10-from-the-grant.jpg)