6A80GHB0G Equivalent & Substitute Parts

Part Overview

The 6A80GHB0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 800 V DC reverse voltage and 6 A average rectified current in an R-6 axial through-hole package. This component is classified as Active and meets AEC-Q101 automotive qualification standards. Substitute parts are identified based on matching electrical specifications and mechanical compatibility within the general-purpose rectifier diode category.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	800 V
Current - Average Rectified (Io)	6 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 6 A
Current - Reverse Leakage @ Vr	10 µA @ 800 V
Speed	Standard Recovery >500ns, > 200mA (Io)
Mounting Type	Through Hole
Package / Case	R-6, Axial
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 6A80GHB0G are qualified based on the following electrical and mechanical parameters:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 800 V
Current - Average Rectified (Io): 6 A
Mounting Type: Through Hole
Package / Case: R-6, Axial
Speed: Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr: 10 µA @ 800 V

Secondary Compatibility Factors:

RoHS3 Compliance
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Unaffected status

Parts meeting all primary criteria are classified as direct substitutes. Variations in forward voltage (Vf), capacitance, or maximum operating temperature do not disqualify substitution when primary electrical and mechanical parameters align.

Parameter Comparison

Parameter	6A80GHB0G (Taiwan Semiconductor)	6A08-G (Comchip Technology)	6A8-TP (Micro Commercial Co)
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	800 V
Current - Average Rectified (Io)	6 A	6 A	6 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 6 A	1 V @ 6 A	950 mV @ 6 A
Current - Reverse Leakage @ Vr	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	R-6, Axial	R-6, Axial	R-6, Axial
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Not For New Designs

Engineering Selection Recommendations

6A08-G (Comchip Technology) is a direct substitute for the 6A80GHB0G. Both parts share identical voltage, current, and forward voltage specifications. The 6A08-G operates at a maximum junction temperature of -55°C to 125°C, which is 25°C lower than the main part. This difference is acceptable for applications where the operating environment does not exceed 125°C. The 6A08-G is supplied in Tape & Box packaging and maintains ROHS3 compliance and MSL 1 rating.

6A8-TP (Micro Commercial Co) meets all primary electrical and mechanical substitution criteria. The forward voltage is specified at 950 mV @ 6 A, which is 50 mV lower than the main part and 6A08-G. The 6A8-TP is marked as "Not For New Designs," indicating this part is in mature or declining production status. The maximum junction temperature is -55°C to 125°C. The 6A8-TP is supplied in Cut Tape packaging and maintains ROHS3 compliance and MSL 1 rating.

For new designs, the 6A08-G is the preferred substitute. The 6A8-TP is suitable for legacy system maintenance or replacement applications where existing inventory or design history supports its use.

Frequently Asked Questions (FAQ)

Q: Can the 6A08-G replace the 6A80GHB0G in all applications?

A: The 6A08-G is electrically compatible as a substitute. The primary difference is the maximum operating junction temperature: 125°C for the 6A08-G versus 150°C for the 6A80GHB0G. Substitution is valid for applications where the diode junction temperature remains below 125°C.

Q: What is the significance of the "Not For New Designs" status on the 6A8-TP?

A: This designation indicates the 6A8-TP is in mature production phase and may have limited availability or extended lead times. The part remains functionally qualified as a substitute but should not be selected for new product development. Use the 6A08-G for new designs.

Q: Are there packaging differences between the substitute parts?

A: Yes. The 6A80GHB0G is supplied in standard packaging (not specified). The 6A08-G is supplied in Tape & Box (TB) format. The 6A8-TP is supplied in Cut Tape (CT) format. All three parts use the R-6 axial through-hole package case, ensuring mechanical compatibility on printed circuit boards.

Q: Does the forward voltage difference between 6A8-TP (950 mV) and the main part (1 V) affect substitution?

A: The 50 mV difference in forward voltage is within acceptable tolerance for general-purpose rectifier applications. This lower forward voltage in the 6A8-TP may result in slightly lower power dissipation. Substitution is valid from an electrical standpoint.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The 6A80GHB0G, 6A08-G, and 6A8-TP are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status.

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