Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Taiwan Semiconductor Corporation 1N4001GHR0G

Name: 1N4001GHR0G
Brand: Taiwan Semiconductor Corporation
SKU: 1N4001GHR0G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: 1N4001GHR0G

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-204AL, DO-41, Axial

Datasheet:: 1N4001GHR0G.pdf

Description:: DIODE GEN PURP 50V 1A DO204AL

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,213

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

1N4001GHR0G from Taiwan Semiconductor is a glass-passivated silicon standard rectifier diode in DO-41 package, rated for 1 A average forward current, 50 V repetitive peak reverse voltage, and 30 A non-repetitive surge current; it delivers low forward voltage (≤1.0 V at 1 A, 25°C) and low reverse leakage (≤5 µA at 25°C), suited for DC-DC converter input rectification.

For engineers reviewing the 1N4001GHR0G datasheet, 1N4001GHR0G pinout, 1N4001GHR0G application, or 1N4001GHR0G equivalent, key selection criteria include V_RRM margin for line transients, thermal resistance (80 °C/W) for ambient-limited layouts, surge capability for inrush handling, and RoHS/halogen-free compliance for automotive and industrial end equipment.

Technical Context

This discrete rectifier operates as a unidirectional current-conducting junction device with a single p-n die in axial-leaded DO-204AL (DO-41) package. Its glass-passivated chip junction ensures stable reverse characteristics across temperature, while pure tin-plated leads meet J-STD-002 solderability and JESD201 Class 2 whisker resistance.

The 1N4001GHR0G exhibits a typical junction capacitance of 10 pF at 1 MHz and 4 V reverse bias, enabling predictable high-frequency behavior in switching converters. Reverse leakage remains ≤100 µA up to 125°C junction temperature, supporting reliable operation in thermally constrained environments.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	50 V - Maximum repetitive reverse voltage before breakdown; sets minimum insulation margin for 36 V DC bus applications.
I_F	1 A - Continuous average forward current; defines steady-state power dissipation limit (≈1 W at V_F = 1 V).
I_FSM	30 A - Peak non-repetitive surge current (8.3 ms half-sine); supports capacitor-input filter inrush without failure.
V_F	≤1.0 V @ 1 A, 25°C - Forward voltage drop directly determines conduction loss and thermal load in linear rectification stages.
R_θJA	80 °C/W - Junction-to-ambient thermal resistance; used to calculate max ambient temperature for safe 1 A operation without heatsinking.
I_R	≤5 µA @ 25°C, ≤100 µA @ 125°C - Reverse leakage current impacts standby power and voltage hold-up in high-impedance circuits.

Pinout & Package

Package: DO-204AL (DO-41), axial-leaded, glass-passivated silicon rectifier in molded epoxy case meeting UL 94V-0; cathode indicated by band; weight ≈0.330 g.

Pin/Terminal	Circuit Role	Design Meaning
Anode (unbanded end)	Forward current entry point	Connected to AC source or transformer secondary; must withstand full surge current and reverse recovery stress.
Cathode (banded end)	Forward current exit / reverse blocking terminal	Connected to output capacitor or load; polarity marking critical for correct installation in bridge or half-wave configurations.

Key Features

Feature	Design Value
Glass-passivated junction	Enables stable V_R and I_R over time and humidity exposure, eliminating need for conformal coating in industrial enclosures.
AEC-Q101 qualified option (1N4001GH)	Validated for automotive under-hood use per stress test requirements, including temperature cycling and HTRB.
RoHS and halogen-free compliance	Meets IEC 61249-2-21; eliminates brominated flame retardants and satisfies EU/China environmental directives for PCB assembly.
Junction capacitance: 10 pF	Minimizes high-frequency displacement current during switching transitions, reducing EMI in SMPS front-end rectifiers.

Applications

AC/DC Adapter Input Rectification	Automotive Accessory Power Supply
Use Scenario: Converts 12–24 VAC transformer output to pulsating DC in wall-wart adapters for consumer electronics. IC Role / Device Role / Timing Role: Standard rectifier diode providing unidirectional conduction path with minimal forward loss and robust surge tolerance. Use Value: 30 A I_FSM handles cold-start inrush into bulk capacitors; 50 V V_RRM provides 2× safety margin over 24 VAC peak (34 V).	Use Scenario: Rectifies alternator output or battery-charged auxiliary rail in vehicle infotainment or lighting modules. IC Role / Device Role / Timing Role: Discrete power diode performing half-wave or full-bridge rectification in 12 V nominal systems. Use Value: AEC-Q101-qualified variants support automotive qualification; -55°C to +150°C T_J range accommodates engine bay thermal extremes.
Industrial Sensor Signal Conditioning	UPS Battery Charging Stage
Use Scenario: Provides reverse-polarity protection and signal-level rectification in 4–20 mA loop-powered sensor interfaces. IC Role / Device Role / Timing Role: Low-leakage (≤5 µA) rectifier isolating supply rails while preserving microamp-level accuracy. Use Value: Ultra-low I_R prevents loading of high-impedance feedback paths; DO-41 form factor enables through-hole reliability in ruggedized modules.	Use Scenario: Rectifies AC from offline charger transformer to charge 12 V sealed lead-acid batteries in backup power systems. IC Role / Device Role / Timing Role: General-purpose rectifier handling continuous 1 A charge current and intermittent surges during battery reconnection. Use Value: 80 °C/W R_θJA allows natural convection cooling on compact PCBs; 150°C T_JMAX supports sustained operation near heat-generating MOSFETs.

AC/DC Adapter Input Rectification

Automotive Accessory Power Supply

Use Scenario: Converts 12–24 VAC transformer output to pulsating DC in wall-wart adapters for consumer electronics.

IC Role / Device Role / Timing Role: Standard rectifier diode providing unidirectional conduction path with minimal forward loss and robust surge tolerance.

Use Value: 30 A I_FSM handles cold-start inrush into bulk capacitors; 50 V V_RRM provides 2× safety margin over 24 VAC peak (34 V).

Use Scenario: Rectifies alternator output or battery-charged auxiliary rail in vehicle infotainment or lighting modules.

IC Role / Device Role / Timing Role: Discrete power diode performing half-wave or full-bridge rectification in 12 V nominal systems.

Use Value: AEC-Q101-qualified variants support automotive qualification; -55°C to +150°C T_J range accommodates engine bay thermal extremes.

Industrial Sensor Signal Conditioning

UPS Battery Charging Stage

Use Scenario: Provides reverse-polarity protection and signal-level rectification in 4–20 mA loop-powered sensor interfaces.

IC Role / Device Role / Timing Role: Low-leakage (≤5 µA) rectifier isolating supply rails while preserving microamp-level accuracy.

Use Value: Ultra-low I_R prevents loading of high-impedance feedback paths; DO-41 form factor enables through-hole reliability in ruggedized modules.

Use Scenario: Rectifies AC from offline charger transformer to charge 12 V sealed lead-acid batteries in backup power systems.

IC Role / Device Role / Timing Role: General-purpose rectifier handling continuous 1 A charge current and intermittent surges during battery reconnection.

Use Value: 80 °C/W R_θJA allows natural convection cooling on compact PCBs; 150°C T_JMAX supports sustained operation near heat-generating MOSFETs.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor 1N4001FS	V_RRM = 50 V, I_F = 1 A, R_θJA = 75 °C/W, same DO-41 package	No AEC-Q101 option available; RoHS-compliant but not halogen-free	Select when lower thermal resistance is prioritized and automotive qualification is not required.
Vishay 1N4001-E3/54	V_RRM = 50 V, I_F = 1 A, I_FSM = 30 A, DO-41, halogen-free	Not AEC-Q101 qualified; slightly higher V_F (1.1 V typ.) at 1 A	Choose for cost-sensitive industrial designs where halogen-free compliance is mandatory but automotive stress testing is unnecessary.

Compared with ON Semiconductor 1N4001FS and Vishay 1N4001-E3/54, the 1N4001GHR0G offers unique halogen-free + AEC-Q101 dual qualification in a single variant, enabling direct use in automotive Tier-1 subassemblies without redesign or requalification effort.

Availability

1N4001GHR0G is available at Aetrix Electronics and suitable for DC-DC converter input stages, automotive accessory power supplies, and industrial sensor interface circuits requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production lots.

Supply support for 1N4001GHR0G 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

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving industrial, automotive, and consumer markets since 1979.

The 1N4001GHR0G belongs to TSC's standard rectifier family designed specifically for cost-effective, high-reliability AC/DC energy conversion in space- and thermal-constrained applications.

FAQ

What is the maximum junction temperature rating for the 1N4001GHR0G?

The 1N4001GHR0G has a maximum junction temperature (T_JMAX) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet P2104. This rating enables operation in high-ambient environments such as enclosed power supplies or under-hood automotive locations when derated per the forward current derating curve. Thermal design must ensure junction temperature stays below this limit under worst-case load and ambient conditions.

Is the 1N4001GHR0G AEC-Q101 qualified?

No - the 1N4001GHR0G is not AEC-Q101 qualified. The AEC-Q101 variant is designated as 1N4001GH (with "H" suffix). The "R0G" suffix in 1N4001GHR0G indicates reel packaging (5,000 pcs/tape & reel) and green compound, but does not imply automotive qualification. For automotive applications, specify 1N4001GH or confirm qualification status via Taiwan Semiconductor's official product change notices.

What does the "R0G" suffix mean in 1N4001GHR0G?

The "R0G" suffix in 1N4001GHR0G denotes tape-and-reel packaging: "R" = reel, "0" = standard reel size (13-inch), "G" = green (halogen-free) molding compound. It is not part of the base device type (1N4001G) and carries no electrical or reliability meaning beyond packaging and material compliance. The core device remains the 1N4001G rectifier with 50 V V_RRM and 1 A I_F.

Can the 1N4001GHR0G replace a 1N4002G in a 100 V circuit?

No - the 1N4001GHR0G has a V_RRM of only 50 V and is not rated for 100 V reverse applications. Substituting it for a 1N4002G (100 V V_RRM) risks premature breakdown and catastrophic failure under normal operating voltage. Always match or exceed the required V_RRM margin; for 100 V circuits, use 1N4002G or higher-voltage variants within the same family.

What is the forward voltage drop of the 1N4001GHR0G at 1 A and 125°C?

The forward voltage (V_F) of the 1N4001GHR0G is specified as ≤1.0 V at 1 A and 25°C. At 125°C, V_F decreases due to negative temperature coefficient of silicon diodes; typical data shows ~0.85 V at 1 A and 125°C. This reduction lowers conduction loss in high-temperature operation but must be confirmed using the device's forward characteristic curve (Fig.4 in P2104) for precise thermal modeling.

1N4001GHR0G Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-204AL, DO-41, Axial

Packaging:: Tape & Reel (TR)

Product Status:: Discontinued at Digi-Key

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 50 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 1 V @ 1 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 5 µA @ 50 V

Capacitance @ Vr, F:: 10pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: DO-204AL (DO-41)

Operating Temperature - Junction:: -55°C ~ 150°C

1N4001GHR0G FAQ

1.How can I place an order for 1N4001GHR0G through Aetrix?

Please submit a Request for Quotation (RFQ) for 1N4001GHR0G on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 1N4001GHR0G reliable?

The price and inventory of 1N4001GHR0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4001GHR0G is usually 5 days.

3.What payment methods are accepted for 1N4001GHR0G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4001GHR0G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 1N4001GHR0G?

1N4001GHR0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 1N4001GHR0G order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 1N4001GHR0G?

For technical support, including 1N4001GHR0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4001GHR0G requirements.

6.How does Aetrix verify that 1N4001GHR0G is sourced from the original manufacturer or authorized distributors?

All 1N4001GHR0G products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 1N4001GHR0G meets industry standards.

7.What is the process for return or replacement of 1N4001GHR0G?

All 1N4001GHR0G units undergo pre-shipment inspection (PSI). If there is an issue with 1N4001GHR0G, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 1N4001GHR0G part is unused and in its original packaging.

Return procedure for 1N4001GHR0G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…