LL4005G L0 Equivalent & Substitute Parts

Part Overview

The LL4005G L0 is a general-purpose rectifier diode rated for 600 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 to maintain design continuity and ensure long-term component availability for new production and field replacements.

Key Parameters

Parameter	Value
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	5 µA @ 600 V
Capacitance @ Vr, F	15pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-213AB, MELF
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LL4005G L0 are selected based on strict electrical and mechanical compatibility criteria. The following parameters must match or remain within acceptable limits for direct substitution:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 1 A
Mounting Type: Surface Mount
Package / Case: DO-213AB, MELF

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Up to 1.3 V @ 1 A (original: 1.1 V @ 1 A)
Current - Reverse Leakage @ Vr: Up to 10 µA @ 600 V (original: 5 µA @ 600 V)
Capacitance @ Vr, F: 8pF to 15pF @ 4V, 1MHz
Speed: Standard Recovery (>500ns) or Fast Recovery (≤500ns)
Operating Temperature - Junction: -65°C minimum to 175°C maximum (original: -65°C ~ 150°C)

All substitute parts listed are manufactured by Vishay General Semiconductor - Diodes Division and carry active product status with ROHS3 compliance and MSL 1 rating, ensuring regulatory alignment and long-term availability.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Speed	Ir @ Vr	Capacitance @ Vr, F	Package	Tj (Operating)	Product Status
LL4005G L0	Taiwan Semiconductor Corporation	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	5 µA @ 600 V	15pF @ 4V, 1MHz	DO-213AB, MELF	-65°C ~ 150°C	Obsolete
1N6482-E3/96	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
1N6482-E3/97	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
1N6482HE3/96	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
1N6482HE3/97	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
BYM10-600-E3/96	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
BYM10-600-E3/97	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
BYM10-600HE3/96	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
BYM10-600HE3/97	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns, > 200mA	10 µA @ 600 V	8pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
BYM11-600-E3/96	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.3 V @ 1 A	Fast Recovery ≤500ns, > 200mA	5 µA @ 600 V	15pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active
BYM11-600-E3/97	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.3 V @ 1 A	Fast Recovery ≤500ns, > 200mA	5 µA @ 600 V	15pF @ 4V, 1MHz	DO-213AB, MELF (Glass)	-65°C ~ 175°C	Active

Engineering Selection Recommendations

All listed substitute parts are manufactured by Vishay General Semiconductor - Diodes Division and carry active product status, ensuring ongoing availability and manufacturing support. Each substitute part meets ROHS3 compliance and carries MSL 1 (Unlimited) moisture sensitivity rating, matching the regulatory and environmental requirements of the original LL4005G L0.

Primary Substitutes (Closest Electrical Match): The 1N6482 series (1N6482-E3/96, 1N6482-E3/97, 1N6482HE3/96, 1N6482HE3/97) and BYM10 series (BYM10-600-E3/96, BYM10-600-E3/97, BYM10-600HE3/96, BYM10-600HE3/97) provide direct electrical equivalence with identical forward voltage (1.1 V @ 1 A) and recovery speed characteristics. These parts are suitable for applications requiring standard recovery diode performance.

Alternative Substitutes (Enhanced Performance): The BYM11-600 series (BYM11-600-E3/96, BYM11-600-E3/97) offers fast recovery characteristics (≤500ns) with slightly elevated forward voltage (1.3 V @ 1 A) and matching reverse leakage current (5 µA @ 600 V). These parts are applicable in circuits where faster switching performance is beneficial and the additional forward voltage drop is acceptable.

Packaging Considerations: Substitute parts are available in multiple packaging formats (Cut Tape & Digi-Reel®, Tape & Reel, or bulk). Selection should align with production volume and assembly process requirements. All parts maintain the DO-213AB MELF surface mount package format, ensuring mechanical compatibility with existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the 1N6482-E3/96 directly replace the LL4005G L0?

A: Yes. The 1N6482-E3/96 meets all critical electrical parameters: 600 V reverse voltage, 1 A average rectified current, 1.1 V forward voltage at 1 A, and standard recovery speed characteristics. Both parts use the DO-213AB MELF surface mount package. The 1N6482-E3/96 carries active product status and ROHS3 compliance.

Q: What is the difference between the BYM10 and BYM11 series?

A: The BYM10 series features standard recovery speed (>500ns) with 1.1 V forward voltage, matching the original LL4005G L0 characteristics. The BYM11 series provides fast recovery speed (≤500ns) with 1.3 V forward voltage and 250 ns reverse recovery time. Selection depends on circuit switching speed requirements and acceptable forward voltage drop.

Q: Are there packaging differences between substitute parts?

A: Substitute parts are available in three packaging formats: Cut Tape & Digi-Reel®, Tape & Reel (TR), or unspecified bulk packaging. All maintain the DO-213AB MELF surface mount package for PCB compatibility. Packaging selection should align with production volume and assembly equipment capabilities.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All listed substitute parts carry ROHS3 compliance, MSL 1 (Unlimited) moisture sensitivity rating, and REACH Unaffected status, matching the regulatory requirements of the original LL4005G L0. All parts are classified as active products with ongoing manufacturing support.

Q: What is the operating temperature range difference?

A: The original LL4005G L0 operates from -65°C to 150°C junction temperature. All substitute parts extend the upper operating limit to 175°C, providing enhanced thermal margin for high-temperature applications. The lower operating limit remains -65°C across all parts.

Q: Can the BYM11-600 series be used in applications designed for the LL4005G L0?

A: The BYM11-600 series is electrically compatible with the LL4005G L0 for voltage and current ratings. However, the 0.2 V higher forward voltage (1.3 V versus 1.1 V) and faster recovery speed (≤500ns versus >500ns) may affect circuit performance in applications with tight voltage budgets or specific timing requirements. Circuit analysis is necessary to confirm suitability.

Q: What inventory levels are available for substitute parts?

A: Inventory availability varies by part number and packaging format. The BYM10-600-E3/96 offers the highest inventory (120,200 pcs), while other variants range from 737 to 35,200 pcs. Specific inventory levels should be confirmed with the component supplier for production planning.

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