M6FL-TP Equivalent & Substitute Parts

Part Overview

The M6FL-TP is a fast recovery rectifier diode manufactured by Micro Commercial Co, rated for 800 V DC reverse voltage and 1 A average rectified current in a surface mount DO-221AC (SMA-FL) package. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure supply chain availability for new production and repair applications.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	800 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 800 V
Mounting Type	Surface Mount
Package / Case	DO-221AC, SMA Flat Leads
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Standard

Substitute Part Grouping Explanation

Substitution of the M6FL-TP is based on electrical and mechanical parameter compatibility within the fast recovery rectifier diode category. The primary substitution criterion is the maintenance of identical or superior electrical ratings while preserving the same physical package format (DO-221AC, SMA-FL) and mounting technology (surface mount).

The M7FL-TP qualifies as a direct substitute based on the following alignment of critical parameters:

Package Compatibility: Both parts use DO-221AC (SMA-FL) surface mount package with identical mechanical footprint and lead configuration
Mounting Technology: Both employ surface mount technology, ensuring PCB assembly compatibility
Current Rating: Both rated for 1 A average rectified current
Forward Voltage: Both specify 1.1 V maximum forward voltage at 1 A
Speed Classification: Both classified as fast recovery with recovery time ≤ 500ns at > 200mA
Reverse Leakage: Both specify 5 µA reverse leakage current
Operating Temperature Range: Both operate across -55°C to 150°C junction temperature range
Technology: Both employ standard rectifier diode technology

The M7FL-TP provides enhanced voltage rating (1000 V vs. 800 V), which permits direct substitution in applications designed for the M6FL-TP without electrical derating concerns.

Parameter Comparison

Parameter	M6FL-TP	M7FL-TP
Manufacturer	Micro Commercial Co	Micro Commercial Co
Category	Diodes, Rectifiers	Diodes, Rectifiers
Product Status	Obsolete	Active
Voltage - DC Reverse (Vr) (Max)	800 V	1000 V
Current - Average Rectified (Io)	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 800 V	5 µA @ 1000 V
Mounting Type	Surface Mount	Surface Mount
Package / Case	DO-221AC, SMA Flat Leads	DO-221AC, SMA Flat Leads
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C
Technology	Standard	Standard
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8541.10.0080	8541.10.0080

Engineering Selection Recommendations

The M7FL-TP is the manufacturer-recommended substitute for the obsolete M6FL-TP. Selection of the M7FL-TP is supported by the following engineering factors:

Product Status: The M7FL-TP maintains active product status with current manufacturing and distribution, ensuring long-term supply chain availability. The M6FL-TP is classified as obsolete, creating supply risk for ongoing production and field service requirements.

Regulatory Compliance: Both parts maintain identical REACH and ECCN classifications (REACH Unaffected, EAR99), ensuring no change to regulatory documentation or export control requirements.

Electrical Compatibility: The M7FL-TP provides superior voltage rating (1000 V) compared to the M6FL-TP (800 V) while maintaining all other electrical parameters. This enhanced rating permits direct substitution without circuit redesign or performance degradation.

Physical Compatibility: Identical package format (DO-221AC, SMA-FL) and mounting technology (surface mount) ensure mechanical and assembly compatibility without PCB modification.

Inventory Status: The M7FL-TP is available in active inventory (934 Pcs), supporting immediate procurement for production and repair applications.

Frequently Asked Questions (FAQ)

Q: Can the M7FL-TP directly replace the M6FL-TP in existing designs?

A: Yes. The M7FL-TP is electrically and mechanically compatible with the M6FL-TP. The enhanced 1000 V rating of the M7FL-TP permits direct substitution in applications designed for 800 V operation. No circuit modification is required.

Q: Are the physical packages identical?

A: Yes. Both the M6FL-TP and M7FL-TP use the DO-221AC (SMA-FL) surface mount package with identical mechanical footprint, lead spacing, and solder pad configuration. PCB layout modification is not necessary.

Q: What is the primary difference between these parts?

A: The M7FL-TP provides a higher maximum reverse voltage rating of 1000 V compared to the M6FL-TP at 800 V. All other electrical parameters, including forward voltage, current rating, recovery speed, and reverse leakage, are identical.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain identical REACH status (REACH Unaffected) and ECCN classification (EAR99). No change to regulatory documentation or export control procedures is required when substituting the M7FL-TP for the M6FL-TP.

Q: Why is the M6FL-TP classified as obsolete?

A: The M6FL-TP is no longer in active production. The M7FL-TP serves as the current active equivalent, providing superior specifications and ongoing manufacturing support.

Q: Can the M6FL-TP be used as a substitute for the M7FL-TP?

A: No. The M6FL-TP has a lower maximum reverse voltage rating (800 V vs. 1000 V) and is obsolete. The M7FL-TP is the recommended substitute for the M6FL-TP, not the reverse.

Q: What mounting technology do these parts use?

A: Both parts are surface mount components designed for automated PCB assembly. The DO-221AC (SMA-FL) package uses flat leads suitable for reflow soldering processes.

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