LL4006G L0 Equivalent & Substitute Parts

Part Overview

The LL4006G L0 is a general-purpose rectifier diode rated for 800 V DC reverse voltage and 1 A average rectified current in a surface mount MELF package. Manufactured by Taiwan Semiconductor Corporation, this component is classified as obsolete. Due to its obsolete status, equivalent substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute diodes must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating the surface mount MELF form factor.

Key Parameters

Parameter	Value	Specification
Voltage - DC Reverse (Vr) (Max)	800 V	Maximum reverse voltage rating
Current - Average Rectified (Io)	1 A	Maximum average forward current
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	Forward voltage drop at rated current
Speed	Standard Recovery >500ns, > 200mA (Io)	Recovery time classification
Current - Reverse Leakage @ Vr	5 µA @ 800 V	Reverse saturation current
Mounting Type	Surface Mount	PCB assembly method
Package / Case	DO-213AB, MELF	Physical form factor
Operating Temperature - Junction	-65°C ~ 150°C	Thermal operating range
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitute parts for the LL4006G L0 are grouped based on strict electrical and mechanical compatibility criteria. All substitute diodes must satisfy the following requirements:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 800 V
Current - Average Rectified (Io): 1 A
Mounting Type: Surface Mount
Package / Case: DO-213AB, MELF or MELF (Glass)
RoHS Status: ROHS3 Compliant

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Up to 1.3 V @ 1 A (original specification 1.1 V @ 1 A)
Current - Reverse Leakage @ Vr: Up to 10 µA @ 800 V (original specification 5 µA @ 800 V)
Operating Temperature - Junction: Extended to -65°C ~ 175°C (original specification -65°C ~ 150°C)
Speed: Standard Recovery or Fast Recovery classifications acceptable
Capacitance @ Vr, F: 8 pF to 15 pF @ 4V, 1MHz

All substitute parts listed are manufactured by Vishay General Semiconductor - Diodes Division and maintain active product status, ensuring ongoing availability and technical support.

Parameter Comparison

Parameter	LL4006G L0	1N6483-E3/96	1N6483-E3/97	1N6483HE3/96	1N6483HE3/97	BYM10-800-E3/96	BYM10-800-E3/97	BYM10-800HE3/96	BYM10-800HE3/97	BYM11-800-E3/96	BYM11-800-E3/97
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	800 V	800 V	800 V	800 V	800 V	800 V	800 V	800 V	800 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	1 A	1 A	1 A	1 A	1 A	1 A
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	1.1 V @ 1 A	1.2 V @ 1 A	1.2 V @ 1 A	1.2 V @ 1 A	1.2 V @ 1 A	1.3 V @ 1 A	1.3 V @ 1 A
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)	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)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	5 µA @ 800 V	5 µA @ 800 V
Capacitance @ Vr, F	15 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	15 pF @ 4V, 1MHz	15 pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-213AB, MELF	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Closest Electrical Match):

The 1N6483-E3/96 and 1N6483-E3/97 diodes provide the closest electrical equivalence to the LL4006G L0. These parts maintain identical forward voltage specifications (1.1 V @ 1 A) and standard recovery characteristics. Both are manufactured by Vishay General Semiconductor - Diodes Division and carry active product status with ROHS3 compliance. The 1N6483 series offers extended operating temperature range (-65°C ~ 175°C) compared to the original specification, providing enhanced thermal margin.

Secondary Substitutes (Acceptable Electrical Variation):

The BYM11-800-E3/96 and BYM11-800-E3/97 diodes are functionally equivalent with fast recovery characteristics (≤ 500 ns) and matching reverse leakage current (5 µA @ 800 V). Forward voltage increases to 1.3 V @ 1 A, which is acceptable for most rectification applications. These parts maintain identical capacitance specifications (15 pF @ 4V, 1MHz) to the original component.

Alternative Substitutes (Avalanche Technology):

The BYM10-800-E3/96, BYM10-800-E3/97, BYM10-800HE3/96, and BYM10-800HE3/97 diodes employ avalanche technology with forward voltage of 1.2 V @ 1 A. These parts are suitable for applications requiring avalanche breakdown protection and maintain all critical voltage and current ratings.

Packaging Considerations:

All substitute parts are available in DO-213AB MELF (Glass) surface mount packages, which are mechanically and electrically compatible with the original LL4006G L0 MELF package. Tape & Reel (TR) packaging is available for the 1N6483-E3 and BYM series, facilitating automated assembly processes.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the environmental certifications of the original component. All substitute parts carry active product status, ensuring long-term availability and technical support from Vishay General Semiconductor - Diodes Division.

Frequently Asked Questions (FAQ)

Q: Can the 1N6483-E3/96 directly replace the LL4006G L0 in existing designs?

A: Yes. The 1N6483-E3/96 maintains identical voltage (800 V), current (1 A), and forward voltage (1.1 V @ 1 A) specifications. The DO-213AB MELF package is mechanically compatible with the original LL4006G L0 MELF package. Both components are ROHS3 compliant and carry identical environmental certifications.

Q: What is the difference between the 1N6483 and BYM11-800 series?

A: The primary difference is forward voltage specification. The 1N6483 series specifies 1.1 V @ 1 A forward voltage, while the BYM11-800 series specifies 1.3 V @ 1 A. Both maintain identical 800 V reverse voltage and 1 A current ratings. The BYM11-800 series exhibits fast recovery characteristics (≤ 500 ns) compared to standard recovery (> 500 ns) in the 1N6483 series. Both are suitable for general-purpose rectification applications.

Q: Are the BYM10-800 avalanche diodes compatible with the LL4006G L0?

A: The BYM10-800 series maintains identical voltage (800 V) and current (1 A) ratings with forward voltage of 1.2 V @ 1 A. The primary distinction is technology classification: BYM10-800 diodes employ avalanche technology, while the LL4006G L0 uses standard technology. Both are electrically compatible for rectification applications. Avalanche technology provides additional protection against reverse voltage transients.

Q: What is the significance of the -E3/96 and -E3/97 suffixes?

A: These suffixes denote manufacturing date codes and tape reel specifications. The -E3/96 and -E3/97 designations indicate different manufacturing batches and packaging configurations. Both variants maintain identical electrical specifications and are functionally interchangeable.

Q: Does the extended operating temperature range (-65°C ~ 175°C) of substitute parts affect circuit design?

A: The extended operating temperature range of substitute parts (compared to the original -65°C ~ 150°C specification) provides additional thermal margin and does not negatively affect circuit design. This enhancement allows operation in higher ambient temperature environments without performance degradation.

Q: Are tape and reel packaged variants suitable for manual assembly?

A: Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly processes. For manual assembly applications, components without specified packaging designation are available. Consult specific part availability for manual assembly requirements.

Q: How do capacitance differences (8 pF vs. 15 pF) affect circuit performance?

A: Capacitance differences between substitute parts (8 pF in 1N6483 series versus 15 pF in BYM11-800 and LL4006G L0) affect high-frequency switching characteristics. Lower capacitance (8 pF) reduces switching losses and improves high-frequency performance. Higher capacitance (15 pF) may increase switching losses in high-frequency applications. Selection depends on specific circuit operating frequency requirements.

Q: Can substitute parts be mixed in the same circuit board assembly?

A: Yes. All listed substitute parts maintain identical voltage (800 V) and current (1 A) ratings and are mechanically compatible in the DO-213AB MELF package. Mixing different substitute part numbers in the same assembly is electrically acceptable. However, design documentation should specify the selected part number for traceability and future maintenance.

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