1N4935GP-AP Equivalent & Substitute Parts

Part Overview

The 1N4935GP-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 through-hole DO-41 package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified when circuit designs require alternative sourcing, inventory optimization, or when the primary part becomes unavailable while maintaining electrical and mechanical compatibility within specified parameters.

Substiute Parts

1N4935GP-AP

Micro Commercial CoIn Stock: 7011N4935GP-AP Datasheet

Current PartRFQ

EGP10D

Fairchild SemiconductorIn Stock: 1448EGP10D Datasheet

SimilarRFQ

FR103G A0G

Taiwan Semiconductor CorporationIn Stock: 2615FR103G A0G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1N4935GP-AP are qualified based on the following critical parameters that determine functional interchangeability:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 200 V
• Current - Average Rectified (Io): 1 A
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
• Mounting Type: Through Hole
• Package / Case: DO-204AL, DO-41, Axial

Allowable Parameter Variations:

• Voltage - Forward (Vf) (Max) @ If: Variations within standard rectifier diode specifications
• Reverse Recovery Time (trr): Variations within fast recovery classification
• Current - Reverse Leakage @ Vr: Consistent at 5 µA @ 200 V
• Operating Temperature - Junction: Minimum -55°C, maximum 150°C or greater
• Capacitance @ Vr, F: Variations acceptable when not specified as critical

The substitute parts EGP10D (Fairchild Semiconductor) and FR103G A0G (Taiwan Semiconductor Corporation) meet all mandatory matching parameters and are therefore qualified as direct substitutes for the 1N4935GP-AP.

Parameter Comparison

Engineering Selection Recommendations

All three diodes—1N4935GP-AP, EGP10D, and FR103G A0G—are Active product status components suitable for direct substitution in applications requiring 200 V, 1 A fast recovery rectifier diodes in DO-41 through-hole packages.

1N4935GP-AP (Primary Part):

• RoHS3 compliant, REACH unaffected
• Moisture Sensitivity Level 1 (Unlimited)
• Forward voltage: 1.2 V @ 1 A
• Reverse recovery time: 200 ns
• Inventory: 663 pieces available

EGP10D (Fairchild Semiconductor):

• Forward voltage: 950 mV @ 1 A (lowest forward voltage drop)
• Reverse recovery time: 50 ns (fastest recovery)
• Operating temperature range: -65 to 150°C (extended low-temperature rating)
• Inventory: 1420 pieces available
• Packaging: Bulk

FR103G A0G (Taiwan Semiconductor Corporation):

• RoHS3 compliant, REACH unaffected
• Moisture Sensitivity Level 1 (Unlimited)
• Forward voltage: 1.3 V @ 1 A
• Reverse recovery time: 150 ns
• Capacitance: 10 pF @ 4 V, 1 MHz
• Inventory: 2510 pieces available
• Packaging: Cut Tape (CT)

Selection between these parts depends on application-specific requirements for forward voltage drop, recovery speed, and temperature operating range. All three parts satisfy the core electrical and mechanical specifications for 200 V, 1 A fast recovery rectification in through-hole DO-41 packages.

Frequently Asked Questions (FAQ)

Q: Can EGP10D be used as a direct replacement for 1N4935GP-AP?

A: Yes. EGP10D meets all mandatory electrical parameters: 200 V reverse voltage rating, 1 A average rectified current, fast recovery classification, and through-hole DO-41 package configuration. The lower forward voltage (950 mV vs. 1.2 V) and faster recovery time (50 ns vs. 200 ns) represent performance improvements in most rectification applications.

Q: What is the difference between FR103G A0G and 1N4935GP-AP?

A: Both parts share identical voltage and current ratings (200 V, 1 A), fast recovery classification, and through-hole DO-41 packaging. FR103G A0G has a slightly higher forward voltage (1.3 V vs. 1.2 V) and slower recovery time (150 ns vs. 200 ns). Both are RoHS3 compliant with Moisture Sensitivity Level 1.

Q: Are there temperature rating differences between these diodes?

A: EGP10D operates from -65°C to 150°C, providing extended low-temperature capability compared to 1N4935GP-AP and FR103G A0G, which both operate from -55°C to 150°C. For applications requiring operation below -55°C, EGP10D is the appropriate selection.

Q: Do all three parts use the same package?

A: Yes. All three diodes use the DO-204AL (DO-41) axial through-hole package, ensuring mechanical and pin compatibility on printed circuit boards designed for this package type.

Q: What are the compliance differences between these parts?

A: 1N4935GP-AP and FR103G A0G are both RoHS3 compliant and REACH unaffected with Moisture Sensitivity Level 1. EGP10D compliance information is not provided in the available specifications. Verify EGP10D compliance status with the supplier for applications requiring specific regulatory certifications.

Q: Which part has the lowest forward voltage drop?

A: EGP10D has the lowest forward voltage at 950 mV @ 1 A, compared to 1.2 V for 1N4935GP-AP and 1.3 V for FR103G A0G. Lower forward voltage reduces power dissipation in rectification circuits.

Q: Which part has the fastest recovery time?

A: EGP10D has the fastest reverse recovery time at 50 ns, compared to 150 ns for FR103G A0G and 200 ns for 1N4935GP-AP. Faster recovery reduces switching losses in high-frequency applications.

Q: Can these parts be used interchangeably in existing circuit designs?

A: Yes, provided the circuit design does not depend on specific forward voltage or recovery time characteristics. All three parts satisfy the core 200 V, 1 A fast recovery rectifier specification and through-hole DO-41 package requirement. Verify that application-specific performance margins accommodate the parameter variations listed in the Parameter Comparison table.