GL41J/1 Equivalent & Substitute Parts

Part Overview

The GL41J/1 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 600 V DC reverse voltage and 1 A average rectified current in a DO-213AB surface mount package. This diode operates within the SUPERECTIFIER® series and is classified as Active product status. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and thermal operating ranges align with the original specification, enabling direct replacement in circuit applications without functional degradation.

Key Parameters

Parameter	GL41J/1 Specification
Voltage - DC Reverse (Vr) (Max)	600 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Speed	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	10 µA @ 600 V
Capacitance @ Vr, F	8 pF @ 4V, 1MHz
Package / Case	DO-213AB, MELF (Glass)
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 175°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the GL41J/1 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Direct Substitutes): Parts that maintain identical electrical specifications across all critical parameters including reverse voltage (600 V), average rectified current (1 A), forward voltage drop (1.1 V @ 1 A), recovery speed characteristics, reverse leakage current (10 µA @ 600 V), and capacitance (8 pF @ 4V, 1MHz). These parts are packaged in the same DO-213AB MELF form factor and operate within the same junction temperature range (-65°C ~ 175°C). Parametric equivalents include GL41J-E3/96, 1N6482-E3/96, and BYM10-600-E3/96.

Manufacturer Recommended Alternatives: Parts that satisfy the primary electrical requirements (600 V reverse voltage, 1 A current rating) but may differ in secondary parameters such as forward voltage measurement conditions, reverse leakage current magnitude, recovery time characteristics, or package variant. These alternatives are 1N5618US and 1N6663US, supplied by Microchip Technology.

Parameter Comparison

Parameter	GL41J/1	GL41J-E3/96	1N6482-E3/96	BYM10-600-E3/96	1N5618US	1N6663US
Manufacturer	Vishay	Vishay	Vishay	Vishay	Microchip	Microchip
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	500 mA
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.3 V @ 3 A	1 V @ 400 mA
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	500 nA @ 600 V	50 nA @ 600 V
Capacitance @ Vr, F	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	Not specified	Not specified
Package / Case	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	SQ-MELF, A	SQ-MELF, A
Operating Temperature - Junction	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 200°C	-65°C ~ 175°C
Technology	Standard	Standard	Standard	Avalanche	Standard	Standard
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant
Packaging Type	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Bulk	Bulk

Engineering Selection Recommendations

Parametric Equivalents (GL41J-E3/96, 1N6482-E3/96, BYM10-600-E3/96): These three parts maintain complete electrical and mechanical equivalence to the GL41J/1 across all specified parameters. GL41J-E3/96 and 1N6482-E3/96 employ Standard recovery technology, while BYM10-600-E3/96 utilizes Avalanche technology; all three deliver identical performance within the application envelope. All three parametric equivalents achieve ROHS3 compliance, whereas the GL41J/1 is RoHS non-compliant. Selection among these three is determined by packaging format availability: GL41J-E3/96 and 1N6482-E3/96 are supplied in Tape & Reel format, while BYM10-600-E3/96 is available in Cut Tape and Digi-Reel® format.

Manufacturer Recommended Alternatives (1N5618US, 1N6663US): These Microchip Technology parts satisfy the core voltage and current ratings (600 V, 1 A nominal) but introduce parameter variations. The 1N5618US maintains 1 A average rectified current with forward voltage specified at 1.3 V @ 3 A (differing from the 1.1 V @ 1 A reference condition) and exhibits superior reverse leakage performance (500 nA @ 600 V). The 1N6663US is rated for 500 mA average rectified current, representing a 50% reduction in current capacity, and features fast recovery characteristics (≤500ns) with significantly lower reverse leakage (50 nA @ 600 V). Both alternatives are packaged in SQ-MELF form factor rather than DO-213AB MELF. The 1N5618US supports extended junction temperature operation to 200°C. Both alternatives remain RoHS non-compliant. These parts are suitable only when circuit design accommodates the specified parameter deviations and mechanical package differences.

Frequently Asked Questions (FAQ)

Q: Can GL41J-E3/96, 1N6482-E3/96, and BYM10-600-E3/96 be used interchangeably with GL41J/1?

A: Yes. These three parts are parametric equivalents, maintaining identical electrical specifications across reverse voltage (600 V), average rectified current (1 A), forward voltage drop (1.1 V @ 1 A), recovery speed, reverse leakage current (10 µA @ 600 V), and capacitance (8 pF @ 4V, 1MHz). All three are packaged in DO-213AB MELF form factor with identical mounting type and operating temperature range (-65°C ~ 175°C). Selection is based on packaging format preference and RoHS compliance requirements.

Q: What is the difference between the parametric equivalents and the Microchip alternatives?

A: Parametric equivalents (GL41J-E3/96, 1N6482-E3/96, BYM10-600-E3/96) maintain complete electrical and mechanical alignment with GL41J/1 specifications. Microchip alternatives (1N5618US, 1N6663US) differ in forward voltage measurement conditions, reverse leakage current magnitude, recovery characteristics, and package form factor (SQ-MELF versus DO-213AB MELF). The 1N6663US additionally carries a reduced current rating of 500 mA versus 1 A.

Q: Is the 1N6663US suitable as a direct replacement for GL41J/1?

A: The 1N6663US is not a direct replacement. While it maintains the 600 V reverse voltage rating, it is rated for 500 mA average rectified current, representing a 50% reduction from the GL41J/1 specification of 1 A. This part is suitable only in applications where the circuit design accommodates the lower current capacity. Additionally, the package form factor differs (SQ-MELF versus DO-213AB MELF).

Q: What is the significance of the Avalanche technology in BYM10-600-E3/96?

A: BYM10-600-E3/96 employs Avalanche technology, whereas GL41J/1 and most other equivalents use Standard technology. Despite this technology difference, BYM10-600-E3/96 delivers identical electrical performance across all specified parameters including voltage, current, forward drop, recovery speed, and leakage characteristics. The technology designation reflects the internal design approach but does not alter the functional performance within the specified operating envelope.

Q: Are there RoHS compliance differences among the substitute parts?

A: Yes. GL41J/1 is RoHS non-compliant. The three parametric equivalents (GL41J-E3/96, 1N6482-E3/96, BYM10-600-E3/96) all achieve ROHS3 compliance. The Microchip alternatives (1N5618US, 1N6663US) remain RoHS non-compliant. RoHS compliance status should be evaluated against application and regulatory requirements.

Q: Can 1N5618US replace GL41J/1 in all applications?

A: The 1N5618US maintains the 600 V reverse voltage and 1 A average rectified current ratings. However, it differs in forward voltage measurement conditions (1.3 V @ 3 A versus 1.1 V @ 1 A), exhibits lower reverse leakage (500 nA @ 600 V versus 10 µA @ 600 V), and supports extended junction temperature operation to 200°C. The package form factor differs (SQ-MELF versus DO-213AB MELF). Substitution is permissible when circuit design accommodates these parameter variations and mechanical package differences.

Q: What packaging formats are available for the parametric equivalents?

A: GL41J-E3/96 and 1N6482-E3/96 are supplied in Tape & Reel (TR) format. BYM10-600-E3/96 is available in Cut Tape (CT) and Digi-Reel® format. The original GL41J/1 is supplied in bulk packaging. Selection of packaging format depends on manufacturing process requirements and volume considerations.

Q: How do reverse leakage current differences affect circuit performance?

A: The GL41J/1 specifies 10 µA reverse leakage at 600 V. The 1N5618US exhibits 500 nA (0.5 µA), and the 1N6663US exhibits 50 nA reverse leakage. Lower reverse leakage reduces standby current consumption and heat dissipation in high-impedance circuit stages. Applications sensitive to leakage current may benefit from the lower leakage alternatives, while applications with higher bias currents are unaffected by these differences.

Q: What is the significance of recovery speed classification?

A: GL41J/1 is classified as Standard Recovery (>500ns, >200mA). The 1N6663US is classified as Fast Recovery (≤500ns, >200mA). Recovery speed affects switching transient behavior and electromagnetic interference characteristics. Standard recovery diodes are suitable for general-purpose rectification; fast recovery diodes reduce switching losses in high-frequency applications. Selection depends on circuit operating frequency and switching transient requirements.

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