SS12P4CHM3_A/H Equivalent & Substitute Parts

Part Overview

The SS12P4CHM3_A/H 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 housed in a Surface Mount TO-277, 3-PowerDFN package and is qualified to AEC-Q101 automotive standards. The part is currently in active production status with 1167 pieces available in inventory. Alternative equivalent parts are necessary to address supply chain requirements, inventory availability, or specific procurement specifications while maintaining identical electrical and mechanical performance.

Substiute Parts

SS12P4CHM3_A/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 1200SS12P4CHM3_A/H Datasheet

Current PartRFQ

SS12P4C-M3/86A

Vishay General Semiconductor - Diodes DivisionIn Stock: 3687SS12P4C-M3/86A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SS12P4CHM3_A/H is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part SS12P4C-M3/86A qualifies as a parametric equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• 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

Mechanical Parameters (Must Match Exactly):

• Package / Case: TO-277, 3-PowerDFN
• Mounting Type: Surface Mount
• Series: eSMP®

Compliance Parameters (Must Match Exactly):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Both parts are manufactured by Vishay General Semiconductor - Diodes Division and maintain identical specifications across all provided parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the SS12P4CHM3_A/H and SS12P4C-M3/86A are active production parts manufactured by Vishay General Semiconductor - Diodes Division. Selection between these parts is based on the following engineering considerations:

Inventory Availability: The SS12P4C-M3/86A offers significantly higher inventory availability at 3600 pieces compared to 1167 pieces for the SS12P4CHM3_A/H. This factor is relevant for high-volume production requirements or extended lead time mitigation.

Compliance and Certification: Both parts maintain identical compliance status with ROHS3 and REACH Unaffected designations. Both are classified under ECCN EAR99 and HTSUS 8541.10.0080. Both maintain MSL 1 (Unlimited) moisture sensitivity rating, indicating no special moisture handling requirements.

Electrical and Mechanical Equivalence: Complete parameter equivalence across all electrical specifications, thermal characteristics, and mechanical packaging ensures direct substitution without circuit redesign or PCB layout modification.

Automotive Grade Consideration: The SS12P4CHM3_A/H carries explicit automotive grade designation with AEC-Q101 qualification. The SS12P4C-M3/86A specifications provided do not include automotive grade notation. For applications requiring automotive qualification documentation, the SS12P4CHM3_A/H is the specified choice.

Frequently Asked Questions (FAQ)

Q: Can SS12P4C-M3/86A be used as a direct replacement for SS12P4CHM3_A/H in existing designs?

A: Yes. Both parts are parametrically equivalent across all electrical specifications, thermal operating range, forward voltage characteristics, reverse leakage current, and mechanical package dimensions. No circuit modifications or PCB layout changes are required for substitution.

Q: Are the pin configurations identical between these two parts?

A: Yes. Both parts use the TO-277, 3-PowerDFN package with identical pin assignments. The 1 Pair Common Cathode diode configuration is identical in both parts.

Q: What is the difference between SS12P4CHM3_A/H and SS12P4C-M3/86A?

A: The parts are electrically and mechanically identical. The primary differences are the supplier device package designation (TO-277A SMPC) and inventory availability. The SS12P4CHM3_A/H carries explicit automotive grade designation with AEC-Q101 qualification, while the SS12P4C-M3/86A specifications do not include this notation.

Q: Are both parts RoHS compliant?

A: Yes. Both SS12P4CHM3_A/H and SS12P4C-M3/86A are ROHS3 compliant and REACH unaffected.

Q: What is the moisture sensitivity level for these diodes?

A: Both parts have MSL 1 (Unlimited), indicating no special moisture handling or baking requirements prior to soldering.

Q: Can these parts be used in automotive applications?

A: The SS12P4CHM3_A/H is explicitly qualified to AEC-Q101 automotive standards. The SS12P4C-M3/86A specifications provided do not include automotive grade designation. For applications requiring automotive qualification documentation and traceability, the SS12P4CHM3_A/H is the appropriate selection.

Q: What is the maximum junction temperature for these diodes?

A: Both parts operate across a junction temperature range of -55°C to 125°C, providing identical thermal performance specifications.

Q: Are these Schottky diodes suitable for high-frequency switching applications?

A: Yes. Both parts feature fast recovery characteristics with recovery time ≤ 500 ns at currents > 200 mA, making them suitable for switching applications within the specified current and voltage ratings.