Diodes Incorporated FR1M-13

Overview

FR1M-13 from Diodes Incorporated is a glass passivated fast recovery rectifier diode rated for 1000 V maximum recurrent peak reverse voltage, 1.0 A average forward rectified current at 75°C, and 150 ns reverse recovery time; it delivers low forward voltage drop (1.3 V at 1.0 A) and high surge capability (30 A IFSM), used in AC/DC input stage rectification for industrial power supplies and LED drivers.

For engineers reviewing the FR1M-13 datasheet, FR1M-13 pinout, FR1M-13 application, or FR1M-13 equivalent, key selection considerations include its 1000 V VRRM rating, SMB package thermal resistance (30 °C/W), junction capacitance (15 pF), and compliance with MIL-STD-19500 reliability standards for surface-mount power conversion designs.

Technical Context

This discrete fast recovery rectifier employs a glass-passivated PN junction to achieve rapid carrier recombination, enabling trr ≤ 150 ns under 0.5 A forward / 1 A reverse test conditions. Its 1000 V blocking capability supports universal-input offline SMPS front-end designs without snubber networks.

The SMB package provides mechanical robustness for reflow soldering at 265 °C for 10 seconds and achieves 30 °C/W junction-to-lead thermal resistance with 6.0 mm² copper pads - critical for maintaining TJ ≤ 175 °C under continuous 1.0 A load at 75 °C ambient.

Key Specifications

Pinout & Package

Package: SMB (DO-214AA), surface-mount, cathode-banded end, UL 94V-0 molded plastic case, 0.093 g mass.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FR1M-13, RS1MB-13 trades speed for cost and maturity, while ES1D-E3/54 prioritizes ultrafast recovery at the expense of forward loss and package size - making FR1M-13 the balanced choice for 100–200 kHz industrial rectification where thermal, EMI, and cost constraints intersect.

Availability

FR1M-13 is available at Aetrix Electronics and suitable for industrial power supplies, LED drivers, and motor control auxiliary power circuits requiring stable component supply and long-term manufacturing continuity.

Supply support for FR1M-13 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, signal integrity, and protection devices.

The FR1x series targets cost-sensitive yet robust AC/DC rectification in industrial, lighting, and automation equipment - emphasizing MIL-qualified reliability, fast recovery, and SMB manufacturability.

FAQ

Is FR1M-13 suitable for use in a 600 V DC link application?

Yes. With a 1000 V maximum recurrent peak reverse voltage (VRRM), FR1M-13 provides 40% voltage margin above 600 V DC, satisfying IEC 61000-4-5 surge immunity requirements and derating best practices for long-term reliability in high-voltage DC bus clamping or freewheeling roles.

What is the minimum recommended copper pad area for thermal performance?

Diodes Incorporated specifies a thermal resistance of 30 °C/W junction-to-lead with 6.0 mm² copper pads per terminal. Using less than this area increases RθJL proportionally - e.g., 2.0 mm² raises it to ~45 °C/W - risking junction overheating beyond 175 °C at full 1.0 A load.

Does FR1M-13 have lead-free and RoHS-compliant construction?

Yes. FR1M-13 is manufactured with lead-free terminations and complies with RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. The SMB package uses halogen-free molding compound meeting IEC 61249-2-21 standards.

Can FR1M-13 replace FR1J-13 in an existing design?

Yes, with electrical verification. FR1M-13 (1000 V VRRM) exceeds FR1J-13 (600 V VRRM) in blocking voltage and shares identical SMB package, pinout, and thermal characteristics. However, its higher VRRM may slightly increase VF and trr - confirm no adverse impact on efficiency or EMI in the target operating point.