Diodes Incorporated 1N4005L-T

Overview

1N4005L-T from Diodes Incorporated is a general-purpose silicon rectifier diode in DO-41 package, rated for 600 V peak repetitive reverse voltage and 1.0 A average forward rectified current at +75°C ambient. It features 1.0 V forward voltage at 1.0 A, 30 A non-repetitive surge capability, and 5.0 µA reverse leakage at 25°C - used in AC/DC power supplies, DC power adapters, and input stage rectification.

For engineers reviewing the 1N4005L-T datasheet, 1N4005L-T pinout, 1N4005L-T application, or 1N4005L-T equivalent, key selection criteria include blocking voltage margin, thermal derating behavior above 75°C, surge robustness under line transients, and DO-41 mechanical compatibility with legacy PCB footprints.

Technical Context

This axial-lead rectifier employs a diffused PN junction optimized for cost-sensitive, low-frequency (≤60 Hz) half-wave or full-wave bridge rectification. Its 100 K/W junction-to-ambient thermal resistance requires heatsinking only under sustained >700 mA loads at elevated ambient temperatures.

The device exhibits 15 pF typical junction capacitance at 4.0 V reverse bias and 1 MHz, making it unsuitable for high-frequency switching but stable in line-frequency filtering applications where low reverse leakage (<50 µA at 100°C) ensures minimal standby loss.

Key Specifications

Pinout & Package

DO-41 molded plastic package with axial leads; cathode identified by a painted band. Total weight ≈0.30 g. UL 94V-0 flammability rating; lead finish is bright tin, solderable per MIL-STD-202 Method 208.

Key Features

Applications

Equivalent & Alternatives

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

Compared with 1N4005G, the 1N4005L-T uses standard molding compound and is tape-and-reel packaged for automated insertion; versus S1J, it retains axial DO-41 mechanical compatibility but sacrifices SMT scalability and thermal performance in dense layouts.

Availability

1N4005L-T is available at Aetrix Electronics and suitable for AC/DC power adapters, industrial control power supplies, and consumer appliance power inputs requiring stable component supply and long-term obsolescence resilience.

Supply support for 1N4005L-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, headquartered in Plano, Texas, serving automotive, industrial, computing, and consumer markets with high-reliability components.

The 1N400x series belongs to Diodes' general-purpose rectifier product line, designed specifically for cost-optimized, line-frequency AC/DC conversion in high-volume power supply applications where ruggedness and manufacturability outweigh high-speed or ultra-low-loss requirements.

FAQ

Is the 1N4005L-T suitable for high-frequency switching applications?

No. With 15 pF junction capacitance and slow reverse recovery (not specified but typical >2 µs for 1N400x), it is intended for ≤60 Hz rectification only. Use fast recovery or Schottky diodes for SMPS or PWM-driven circuits above 1 kHz.

What does the "L-T" suffix indicate in 1N4005L-T?

The "L" denotes lead-free (Pb-free) termination per RoHS; "T" indicates tape-and-reel packaging (5,000 units per 13-inch reel), optimized for automated axial component insertion equipment.

Can the 1N4005L-T replace a 1N4007 in an existing design?

Only if the circuit's peak reverse voltage remains ≤600 V. The 1N4007 has 1000 V VRRM; substituting 1N4005L-T risks catastrophic failure in 230 VAC-derived supplies with poor surge suppression or high line variation.

How does ambient temperature affect the 1N4005L-T's current rating?

Its 1.0 A rating applies only at +75°C ambient. Above that, current must be linearly derated to zero at +150°C junction temperature - e.g., at +100°C ambient, max IO drops to ~0.75 A per Figure 1 in the datasheet.