Equivalent & Substitute Parts for 30CPF12

Part Overview

The 30CPF12 is a general-purpose rectifier diode rated for 1200 V DC reverse voltage and 30 A average rectified current in a TO-247AC through-hole package. This component is classified as obsolete, which necessitates identification of active equivalent alternatives for ongoing design support and procurement. The part operates across a junction temperature range of -40°C to 150°C and features fast recovery characteristics with a reverse recovery time of 450 ns.

Substiute Parts

30CPF12

Vishay General Semiconductor - Diodes DivisionIn Stock: 95330CPF12 Datasheet

Current PartRFQ

VS-30APF12-M3

Vishay General Semiconductor - Diodes DivisionIn Stock: 885VS-30APF12-M3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 30CPF12 is determined by electrical and mechanical parameter equivalence. The substitute part VS-30APF12-M3 qualifies as a parametric equivalent based on the following criteria:

Electrical Parameters (Must Match):

• Voltage - DC Reverse (Vr) (Max): 1200 V
• Current - Average Rectified (Io): 30 A
• Voltage - Forward (Vf) (Max) @ If: 1.41 V @ 30 A
• Reverse Recovery Time (trr): 450 ns
• Current - Reverse Leakage @ Vr: 100 µA @ 1200 V
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Parameters (Must Match):

• Mounting Type: Through Hole
• Package / Case: TO-247-3
• Supplier Device Package: TO-247AC

The VS-30APF12-M3 maintains identical electrical performance and physical form factor, enabling direct substitution in circuit applications designed for the 30CPF12.

Parameter Comparison

Engineering Selection Recommendations

The VS-30APF12-M3 is the direct parametric equivalent for the obsolete 30CPF12. Selection of VS-30APF12-M3 is supported by the following factors:

Product Status: The 30CPF12 is classified as obsolete, whereas VS-30APF12-M3 maintains active product status, ensuring continued availability and manufacturing support.

Regulatory Compliance: VS-30APF12-M3 is ROHS3 compliant, compared to the non-compliant status of 30CPF12. This upgrade aligns with current regulatory requirements for electronic components in restricted substance directives.

Electrical Equivalence: All critical electrical parameters are identical between the two parts, including reverse voltage rating, forward current capacity, forward voltage drop, and reverse recovery characteristics. This ensures functional interchangeability in existing circuit designs.

Mechanical Compatibility: Both parts utilize the TO-247-3 package with TO-247AC supplier device package designation, confirming identical PCB footprint and thermal interface requirements.

Inventory Status: VS-30APF12-M3 is available in active inventory (820 Pcs), supporting immediate procurement for new designs and replacement applications.

Frequently Asked Questions (FAQ)

Q: Can VS-30APF12-M3 be used as a direct replacement for 30CPF12 in existing designs?

A: Yes. The VS-30APF12-M3 is a parametric equivalent with identical electrical ratings (1200 V, 30 A, 1.41 V forward drop, 450 ns recovery time) and mechanical form factor (TO-247AC package). No circuit modifications are required.

Q: What is the primary difference between 30CPF12 and VS-30APF12-M3?

A: The 30CPF12 is obsolete and RoHS non-compliant, while VS-30APF12-M3 is an active product with ROHS3 compliance. Electrical and mechanical specifications are identical.

Q: Are the thermal characteristics the same between these parts?

A: Both parts operate across the same junction temperature range (-40°C to 150°C) and share identical package geometry, ensuring equivalent thermal performance in the same application environment.

Q: Does the packaging format differ between these parts?

A: The 30CPF12 is supplied without specified packaging, while VS-30APF12-M3 is supplied in tube packaging. Both use the TO-247-3 case style with TO-247AC supplier device package designation, maintaining identical PCB mounting and thermal interface characteristics.

Q: What is the reverse leakage current specification for both parts?

A: Both the 30CPF12 and VS-30APF12-M3 specify a maximum reverse leakage current of 100 µA at 1200 V reverse voltage.

Q: Are there any compliance or certification differences?

A: VS-30APF12-M3 is ROHS3 compliant and REACH unaffected, whereas 30CPF12 is RoHS non-compliant. Both parts carry ECCN EAR99 classification and HTSUS code 8541.10.0080.