Specifications
| Type | Description |
|---|---|
| Part Number | 1N5400 |
| Manufacturer | STMicroelectronics |
| Product Type | Rectifier Diode |
| Category | Power Devices |
| Package / Case | DO-201AD |
| Maximum Repetitive Peak Reverse Voltage | 50 V |
| Maximum RMS Voltage | 35 V |
| Maximum DC Blocking Voltage | 50 V |
| Maximum Average Forward Rectified Current | 3.0 A; TL=105°C |
| Peak Forward Surge Current | 200 A; 8.3 ms half sine-wave |
| Maximum Instantaneous Forward Voltage | 1.0 V; IF=3.0 A, TA=25°C |
| Maximum DC Reverse Current | 10 µA; rated DC blocking voltage, TA=25°C |
| Operating Junction Temperature Range | -50 to +150°C |
| Storage Temperature Range | -50 to +150°C |
| Datasheet Status | request_only |
Product Overview
The STMicroelectronics 1N5400 is a general purpose plastic rectifier supplied as a single diode. Its electrical ratings include 50 V maximum repetitive peak reverse voltage, 35 V maximum RMS voltage, and 50 V maximum DC blocking voltage at TA=25°C unless otherwise noted. Forward-current capability is specified as 3.0 A maximum average forward rectified current with 0.5 in lead length at TL=105°C.
Key Features
- 50 V maximum repetitive peak reverse voltage
- 35 V maximum RMS voltage
- 50 V maximum DC blocking voltage
- 3.0 A average forward rectified current
- 200 A peak forward surge current
- 1.0 V maximum forward voltage at 3.0 A
- 10 µA reverse current at rated voltage
- Single rectifier circuit configuration
- DO-201AD molded epoxy axial package
- Cathode band polarity marking
Typical Applications
- General-purpose rectification circuits
- Single-diode rectifier stages
- 50 V DC blocking paths
- 3.0 A rectified-current designs
- Axial-leaded through-hole assemblies
- Circuits requiring cathode-band polarity marking
Procurement Notes
When requesting a quote for 1N5400, 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 type of component is the 1N5400?
The 1N5400 is listed as a general purpose plastic rectifier from STMicroelectronics in a DO-201AD molded epoxy axial package.
What are the main voltage ratings?
Maximum repetitive peak reverse voltage is 50 V, maximum RMS voltage is 35 V, and maximum DC blocking voltage is 50 V.
What current ratings are specified?
Maximum average forward rectified current is 3.0 A. Peak forward surge current is 200 A for an 8.3 ms single half sine-wave.
How is polarity marked?
A color band denotes the cathode end on the DO-201AD molded epoxy body package.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 28, 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.