SS12P4CHM3/86A Equivalent & Substitute Parts

Part Overview

The SS12P4CHM3/86A is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 40 V DC reverse voltage and 6 A average rectified current per diode. The device is packaged in a TO-277, 3-PowerDFN surface mount package and operates across a junction temperature range of -55°C to 125°C.

The SS12P4CHM3/86A is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from the same manufacturer series, offering identical electrical performance with active product status and improved availability.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io) (per Diode)	6 A
Voltage - Forward (Vf) (Max) @ If	520 mV @ 6 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 40 V
Operating Temperature - Junction	-55°C ~ 125°C
Package / Case	TO-277, 3-PowerDFN
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SS12P4CHM3/86A is determined by strict equivalence across the following critical parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 40 V
Current - Average Rectified (Io) (per Diode): 6 A
Voltage - Forward (Vf) (Max) @ If: 520 mV @ 6 A
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr: 500 µA @ 40 V
Operating Temperature - Junction: -55°C ~ 125°C
Package / Case: TO-277, 3-PowerDFN
Mounting Type: Surface Mount

All substitute parts listed maintain identical electrical specifications and package dimensions. Differences exist only in packaging format (Tape & Reel versus bulk), product status (Active versus Discontinued), and automotive qualification grades where applicable.

Parameter Comparison

Parameter	SS12P4CHM3/86A	SS12P4CHM3_A/H	SS12P4C-M3/86A	SS12P4C-M3/87A	SS12P4CHM3_A/I
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V	40 V	40 V	40 V	40 V
Current - Average Rectified (Io) (per Diode)	6 A	6 A	6 A	6 A	6 A
Voltage - Forward (Vf) (Max) @ If	520 mV @ 6 A	520 mV @ 6 A	520 mV @ 6 A	520 mV @ 6 A	520 mV @ 6 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 40 V	500 µA @ 40 V	500 µA @ 40 V	500 µA @ 40 V	500 µA @ 40 V
Operating Temperature - Junction	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active
Packaging Format	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Grade	Standard	Automotive	Standard	Standard	Automotive
Qualification	None Listed	AEC-Q101	None Listed	None Listed	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

SS12P4CHM3_A/H and SS12P4CHM3_A/I are direct substitutes with automotive-grade qualification (AEC-Q101) and active product status. These parts are suitable for applications requiring automotive-level reliability and traceability. Both are available in Tape & Reel packaging format.

SS12P4C-M3/86A is a parametric equivalent with active product status and standard-grade qualification. This part offers the highest current inventory (3600 Pcs) and is available in Tape & Reel packaging. It is suitable for non-automotive applications requiring identical electrical performance.

SS12P4C-M3/87A is a parametric equivalent with active product status and standard-grade qualification. This part is available in Tape & Reel packaging with lower inventory levels (694 Pcs).

All substitute parts maintain full compliance with ROHS3 and REACH requirements. Selection between automotive-qualified and standard-grade variants depends on application requirements and regulatory mandates.

Frequently Asked Questions (FAQ)

Q: Can SS12P4CHM3_A/H replace SS12P4CHM3/86A in all applications?

A: Yes. SS12P4CHM3_A/H maintains identical electrical specifications, package dimensions, and thermal characteristics. The primary difference is automotive-grade qualification (AEC-Q101) and active product status. Packaging format differs (Tape & Reel versus bulk).

Q: What is the difference between automotive-qualified and standard-grade variants?

A: Automotive-qualified variants (SS12P4CHM3_A/H and SS12P4CHM3_A/I) carry AEC-Q101 certification, indicating compliance with automotive industry reliability and testing standards. Standard-grade variants (SS12P4C-M3/86A and SS12P4C-M3/87A) do not carry this certification. Selection depends on application requirements.

Q: Are all substitute parts available in the same packaging format?

A: No. The original SS12P4CHM3/86A is supplied in bulk packaging. All substitute parts are available in Tape & Reel (TR) format. Tape & Reel packaging is standard for automated assembly processes and offers improved handling and traceability.

Q: Do the substitute parts have identical thermal performance?

A: Yes. All substitute parts operate across the same junction temperature range (-55°C ~ 125°C) and maintain identical forward voltage and reverse leakage characteristics at rated conditions.

Q: Which substitute part has the best availability?

A: SS12P4C-M3/86A has the highest inventory level at 3600 Pcs. This part is suitable for applications not requiring automotive qualification.

Q: Are all parts RoHS and REACH compliant?

A: Yes. All parts listed are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for electronic components.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. All parts share identical package dimensions (TO-277, 3-PowerDFN) and pinout configuration (1 Pair Common Cathode). PCB layout and footprints are fully compatible.

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