Equivalent & Substitute Parts for 1N4935-AP

Part Overview

The 1N4935-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-41 through-hole package. This part is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing design support and procurement continuity. The diode features fast recovery characteristics with a reverse recovery time of 200 ns and operates across a junction temperature range of -55°C to 150°C. RoHS3 compliance and unlimited moisture sensitivity level (MSL 1) support broad application deployment.

Substiute Parts

1N4935-AP

Micro Commercial CoIn Stock: 11291N4935-AP Datasheet

Current PartRFQ

1N4935GP-AP

Micro Commercial CoIn Stock: 7011N4935GP-AP Datasheet

DirectRFQ

1N4942GP-AP

Micro Commercial CoIn Stock: 8701N4942GP-AP Datasheet

Parametric EquivalentRFQ

FR103A-G

Comchip TechnologyIn Stock: 914FR103A-G Datasheet

Parametric EquivalentRFQ

FR103G A0G

Taiwan Semiconductor CorporationIn Stock: 2615FR103G A0G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1N4935-AP is determined by equivalence in the following critical parameters:

• Voltage Rating: All substitute parts maintain 200 V DC reverse voltage maximum
• Current Rating: All substitute parts support 1 A average rectified current
• Package Type: All substitute parts use DO-41 or DO-204AL (equivalent axial through-hole packages)
• Operating Temperature Range: All substitute parts operate across -55°C to 150°C
• Compliance: All substitute parts maintain RoHS3 compliance and MSL 1 rating

Secondary parameters including forward voltage, reverse recovery time, and capacitance may vary within acceptable ranges for general-purpose rectification applications. Substitute parts are grouped into two categories: direct manufacturer equivalents from Micro Commercial Co and parametric equivalents from alternative manufacturers (Comchip Technology and Taiwan Semiconductor Corporation).

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Micro Commercial Co)

The 1N4935GP-AP and 1N4942GP-AP are active-status alternatives from the original manufacturer. Both maintain identical voltage and current ratings with the 1N4935-AP. The 1N4935GP-AP offers improved forward voltage performance (1.2 V versus 1.3 V at 1 A), while the 1N4942GP-AP provides faster reverse recovery time (150 ns versus 200 ns). Both parts carry ROHS3 compliance and active product status, supporting long-term availability and supply chain stability.

Parametric Equivalents (Alternative Manufacturers)

The FR103A-G (Comchip Technology) and FR103G A0G (Taiwan Semiconductor Corporation) provide parametric equivalence across all critical electrical specifications. Both maintain 200 V reverse voltage, 1 A current rating, and -55°C to 150°C operating range. The FR103G A0G offers the highest inventory availability (2510 units) and is supplied in cut tape packaging. Both alternative manufacturer parts are active-status products with ROHS3 compliance.

Selection Basis

Component selection should prioritize active-status parts to ensure procurement continuity and manufacturing support. The 1N4935GP-AP provides the most direct path for existing designs using the obsolete 1N4935-AP. For applications requiring improved reverse recovery performance or maximum inventory availability, the 1N4942GP-AP or FR103G A0G are appropriate selections. All substitute parts maintain electrical and thermal compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can the 1N4935GP-AP directly replace the 1N4935-AP in existing designs?

A: Yes. The 1N4935GP-AP maintains identical voltage rating (200 V), current rating (1 A), package type (DO-41), and operating temperature range (-55°C to 150°C). The improved forward voltage (1.2 V versus 1.3 V) represents a performance enhancement. Both parts are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between the 1N4935GP-AP and 1N4942GP-AP?

A: Both parts share identical voltage, current, and package specifications. The primary difference is reverse recovery time: the 1N4942GP-AP operates at 150 ns compared to 200 ns for the 1N4935GP-AP. This faster recovery characteristic may benefit high-frequency switching applications.

Q: Are FR103A-G and FR103G A0G interchangeable with Micro Commercial Co parts?

A: Yes, within the scope of electrical specifications. Both Comchip Technology and Taiwan Semiconductor Corporation parts maintain 200 V reverse voltage, 1 A current rating, and DO-41 package compatibility. Packaging format differs: FR103A-G is supplied in tape and box, while FR103G A0G is supplied in cut tape. Verify mechanical fit and lead spacing for specific PCB applications.

Q: Does the 1N4935-AP obsolete status affect substitute part selection?

A: Yes. Active-status substitute parts (1N4935GP-AP, 1N4942GP-AP, FR103A-G, FR103G A0G) provide assured long-term availability and manufacturing support. Designs using the obsolete 1N4935-AP should transition to an active-status equivalent to maintain supply chain continuity.

Q: What packaging considerations apply when substituting with FR103G A0G?

A: The FR103G A0G is supplied in cut tape (CT) packaging, while the original 1N4935-AP and direct Micro Commercial Co equivalents use standard through-hole packaging. Cut tape format requires compatible tape-and-reel handling equipment for automated assembly. Verify tape specifications and reel compatibility with production equipment before implementation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (1N4935GP-AP, 1N4942GP-AP, FR103A-G, FR103G A0G) carry RoHS3 compliance certification and MSL 1 (unlimited) moisture sensitivity rating, matching the original 1N4935-AP specification.