Specifications
| Type | Description |
|---|---|
| Part Number | 1N5820 |
| Manufacturer | STMicroelectronics |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | DO-201AD |
| Maximum Repetitive Peak Reverse Voltage | 20 V |
| Maximum RMS Voltage | 14 V |
| Maximum DC Blocking Voltage | 20 V |
| Maximum Average Forward Rectified Current | 3.0 A; TL=95°C |
| Peak Forward Surge Current | 80 A; 8.3 ms half sine-wave |
| Maximum Instantaneous Forward Voltage | 0.475 V; IF=3.0 A |
| Operating Junction Temperature | -65 to +125 °C |
| Datasheet Status | request_only |
Product Overview
The 1N5820 is a STMicroelectronics Schottky barrier plastic rectifier categorized under Power_Management. It uses a single rectifier configuration and is supplied in the DO-201AD axial package. The color band denotes the cathode end for polarity identification.
Electrical ratings include 20 V maximum repetitive peak reverse voltage, 14 V RMS voltage, and 20 V DC blocking voltage. The device is rated for 3.0 A maximum average forward rectified current at TL=95°C, and 80 A peak forward surge current.
Forward voltage limits are 0.475 V at IF=3.0 A and 0.850 V at IF=9.4 A. Assembly details include matte tin plated leads and UL 94 V-0 molding compound.
Key Features
- 20 V maximum repetitive peak reverse voltage
- 20 V DC blocking voltage
- 3.0 A average forward rectified current
- 80 A peak forward surge current
- 0.475 V forward voltage at IF=3.0 A
- Single Schottky barrier rectifier
- DO-201AD axial package
- Cathode color band marking
- Matte tin plated leads
- UL 94 V-0 molding compound
Typical Applications
- Low-voltage power rectification
- 20 V DC blocking paths
- Single rectifier power stages
- Axial-leaded PCB assemblies
- 3 A rectified current circuits
Procurement Notes
When requesting a quote for 1N5820, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What package is used for the 1N5820?
The 1N5820 uses the DO-201AD axial package with a cathode color band for polarity marking.
What current rating is specified?
3.0 A maximum average forward rectified current. Peak forward surge current is 80 A.
What reverse voltage ratings apply?
20 V maximum repetitive peak reverse voltage, 20 V DC blocking voltage, 14 V RMS voltage.
What forward voltage is specified?
0.475 V at IF=3.0 A and 0.850 V at IF=9.4 A.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 19, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.