Diodes Incorporated PR1506G-T

Overview

PR1506G-T from Diodes Incorporated is a 1.5A fast recovery glass passivated rectifier diode with 800V peak repetitive reverse voltage, 1.3V forward voltage at 1.5A, and 150ns reverse recovery time, used in AC/DC input stage rectification for industrial power supplies and LED drivers.

For engineers reviewing the PR1506G-T datasheet, PR1506G-T pinout, PR1506G-T application, or PR1506G-T equivalent, this DO-15 packaged discrete rectifier supports high-efficiency switching power conversion with low leakage (5.0μA @25°C), robust surge rating (50A peak), and RoHS-compliant tin-plated leads.

Technical Context

This device operates as a single-phase, half-wave rectifier under 60Hz resistive or inductive loads, with derating required for capacitive loads. Its glass passivated die construction ensures stable junction performance across -65°C to +150°C operating range.

The 150ns reverse recovery time enables efficient operation in medium-frequency SMPS designs up to ~100kHz, while its 65°C/W thermal resistance requires heatsinking only above ~1W dissipation in ambient conditions.

Key Specifications

Pinout & Package

PR1506G-T uses the DO-15 molded plastic package with axial leads, cathode identified by a band. The device has two terminals: anode and cathode - no internal connections beyond the PN junction.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar fast recovery rectifier applications.

Compared with STTH1L06S and MUR160, PR1506G-T offers superior voltage margin (800V) and surge robustness (50A) in a standard DO-15 through-hole format, making it suitable for industrial-grade AC/DC front-ends where reliability under transient stress is critical.

Availability

PR1506G-T is available at Aetrix Electronics and suitable for industrial power supplies, LED lighting drivers, and UPS auxiliary converters requiring stable component supply and long-lifecycle support.

Supply support for PR1506G-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management and signal integrity solutions.

The PR150xG/S series targets cost-effective, high-volume AC/DC rectification in industrial and commercial power systems where proven thermal stability and surge resilience are essential.

FAQ

Is PR1506G-T suitable for use in new designs?

No - Diodes Incorporated explicitly marks PR1506G-T as "NOT RECOMMENDED FOR NEW DESIGN" in its official datasheet. It remains available for legacy production and repair, but designers should evaluate modern alternatives such as the DFLS160 or SB160 for new projects requiring improved efficiency or smaller footprints.

What is the difference between PR1506G-T and PR1506GS-T?

PR1506G-T uses the DO-15 package (larger body, 5.5–7.62mm length), while PR1506GS-T uses the DO-41 package (smaller body, 4.06–5.21mm length). Both share identical electrical specs, but DO-15 offers higher thermal mass and mechanical robustness; DO-41 suits space-constrained layouts.

Can PR1506G-T be used in full-wave bridge configurations?

Yes - PR1506G-T is a single discrete rectifier diode and can be used as one leg in a discrete full-wave bridge. Four units may be assembled into a custom bridge, though pre-assembled bridges like DB108 offer tighter matching and smaller footprint for production designs.

Does PR1506G-T require derating at elevated temperatures?

Yes - the 1.5A average forward current rating applies only at TA = 55°C with leads held at ambient at 9.5mm from case. Derating follows Fig. 1: current drops to ~0.9A at 100°C ambient and ~0.4A at 125°C, requiring thermal analysis for high-temperature deployments.