CNCHIPDEPOT Original Part
1N5819
1N5819 Schottky diode in SOD-323 package.
PackageSOD-323
TypeSchottky diode
Stock50K+ pcs Stock / Mass Production
Product Overview
1N5819 Schottky diode in SOD-323 package.
Specifications
Key electrical, package, and sourcing parameters for quick engineering review.
| Part Number | 1N5819 |
| Brand | CNCHIPDEPOT |
| Package | SOD-323 |
| Device Type | Schottky Barrier Diode |
| Package Outline | SOD-323 |
| Maximum Repetitive Peak Reverse Voltage (V_RRM) | 40 V |
| Average Continuous Forward Current (I_F(AV)) | 1 A |
| Maximum Forward Voltage Drop (V_F) | 0.5 V (@ I_F = 1A, T_j=25°C) |
| Maximum Reverse Leakage Current (I_R) | 1 mA (@ V_R = 40V, T_j=25°C) |
| Typical Junction Capacitance (C_j) | 120 pF (@ f = 1MHz, Zero Bias) |
| Total Power Dissipation (P_D) | 500 mW (@ T_A=25°C) |
| Operating Temperature Range | -65 °C to +125 °C |
| Product Type | Schottky diode |
Cross Reference & Replacement Information
The following part numbers are commonly reviewed for replacement or compatibility matching. Always verify datasheet, package, pinout, and operating conditions before bulk purchase.
| Target Brand | Target MPN | Replace Type | Notes |
|---|---|---|---|
| ON Semiconductor | 1N5819WS | Direct Replacement | Same MPN with SOD-323 package, verify datasheet specifications. |
| Panasonic | MA154 | Compatible Alternative | Check package dimensions and electrical parameters for compatibility. |
| Diodes Incorporated | SD103AW | Possible Replacement | Schottky diode in SOD-323, confirm forward voltage and reverse current. |
| Vishay | SS14 | Cross Reference | Similar Schottky diode in SOD-323 package, check voltage and current ratings. |
Datasheet
Download the datasheet or contact us for additional technical information.
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Typical Applications
- - Portable Smart Consumer Electronics Sector: This is the largest application scenario for SOD-323 packaged 1N5819 Schottky diodes, where the components are deployed for reverse polarity protection, charging path OR-ing and freewheeling loops in TWS earbuds, smart watches, compact power banks and other miniature portable devices, making full use of its ultra-small footprint and low power loss advantage.
- - Low-power AC-DC Power Supply & Adapter Manufacturing Industry: The 1A/40V rated, low forward voltage drop and fast switching speed features make 1N5819 ideal for secondary rectification in 5V/1A~2A phone chargers, small desktop power adapters and USB-C PD trickle chargers.
- - Automotive Low-voltage Non-safety Electronics Industry: The compact SOD-323 outline fits tightly constrained in-vehicle PCB layouts, and qualified industrial grade 1N5819 variants are widely adopted for on-board USB charging modules, interior ambient LED light circuits and car dashboard auxiliary power loops.
- - Industrial IoT Edge Sensor Node Manufacturing Industry: The ultra-low unnecessary power consumption of 1N5819 effectively extends the service life of battery-powered industrial sensing devices, and it is commonly used in micro energy harvesting circuits, signal rectification modules for wireless temperature/humidity monitoring sensors.
- - Small Power LED Lighting Driver Industry: 1N5819 acts as a high-efficiency freewheeling and rectification component for low-power LED products including desktop dimmable desk lamps, household LED strip lights, and miniature status indicator lights for small home appliances, cutting overall BOM cost while meeting steady working performance requirements.
Ordering & RFQ Information
- MOQ: Contact sales
- Lead Time: 3–7 working days for stock items
- Packaging: Reel / Tube / Tray depending on package
- Sample Availability: Yes
- Mass Production Status: 50K+ pcs Stock / Mass Production
FAQ
Can this part replace my current model?
It may be suitable depending on your circuit requirements. Please verify datasheet, package, pinout, and test samples before bulk orders.
Can I request samples?
Yes. Please submit your RFQ with target quantity and application details.
Need this part or a compatible replacement?
Send us your target part number, BOM list, quantity, and technical requirements. CNCHIPDEPOT can help review replacement options and provide RFQ support.
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