1N5283 Equivalent & Substitute Parts

Part Overview

The 1N5283 is a current regulating diode manufactured by Microchip Technology, classified as a discrete semiconductor product in the diode category. This component operates at a maximum anode-cathode voltage of 100V with a regulator current of 242µA and maximum power dissipation of 500mW. The part is housed in a DO-35 axial through-hole package and maintains an active product status. Current regulating diodes are essential in applications requiring constant current sources, biasing circuits, and current limiting functions where precision current control is necessary across varying load conditions.

Substiute Parts

1N5283

Microchip TechnologyIn Stock: 7831N5283 Datasheet

Current PartRFQ

1N914BTR

Fairchild SemiconductorIn Stock: 602781N914BTR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1N5283 is determined by electrical and mechanical compatibility across the following critical parameters:

Voltage Rating Compatibility: The substitute part must support a maximum reverse voltage (Vr) of at least 100V to maintain equivalent voltage withstand capability.

Current Handling: The substitute must accommodate the operational current requirements. The 1N5283 operates at a regulator current of 242µA; substitute parts must support this current level or higher within their specified operating range.

Power Dissipation: Maximum power rating must be sufficient for 500mW operation to prevent thermal stress and component failure.

Package and Mounting: Physical compatibility requires through-hole mounting configuration with DO-35 or DO-204AH package designation to ensure direct board-level substitution without layout modifications.

Operating Temperature Range: The substitute must maintain performance across the -65°C to 175°C junction temperature range to ensure reliability across industrial and extended temperature applications.

Product Status and Compliance: Only active, currently manufactured parts with equivalent REACH and ECCN classifications are suitable for substitution.

Parameter Comparison

Engineering Selection Recommendations

The 1N914BTR from Fairchild Semiconductor qualifies as a direct substitute for the 1N5283 based on the following engineering criteria:

Voltage Compatibility: Both parts maintain identical maximum reverse voltage ratings of 100V, ensuring equivalent voltage withstand capability in circuit applications.

Package and Mounting Equivalence: Both components utilize DO-35 axial through-hole packaging, permitting direct board-level substitution without PCB layout modifications or mechanical redesign.

Temperature Range Alignment: Operating temperature specifications are identical across both parts (-65°C to 175°C junction temperature), ensuring consistent thermal performance across industrial and extended temperature environments.

Regulatory and Compliance Alignment: Both parts carry identical ECCN (EAR99) and HTSUS (8541.10.0070) classifications, confirming equivalent export control and tariff treatment.

Product Status: Both components maintain active manufacturing status, ensuring long-term availability and supply chain continuity.

Current Handling: The 1N914BTR supports 200mA average rectified current, which exceeds the 1N5283 regulator current specification of 242µA, providing operational margin.

Frequently Asked Questions (FAQ)

Q: Can the 1N914BTR directly replace the 1N5283 without circuit modifications?

A: Yes. Both parts share identical voltage ratings (100V maximum), equivalent forward voltage characteristics (1V), matching operating temperature ranges (-65°C to 175°C), and identical DO-35 axial through-hole packaging. Direct substitution is supported at the board level without layout or schematic changes.

Q: What is the primary functional difference between these two diode types?

A: The 1N5283 is a current regulating diode designed to maintain constant current output across varying load conditions. The 1N914BTR is a general-purpose rectifier diode. While functionally distinct, the 1N914BTR's electrical parameters satisfy the voltage and current requirements of applications using the 1N5283.

Q: Are there any inventory or supply considerations for substitution?

A: The 1N914BTR maintains significantly higher inventory availability (60,200 pieces in stock) compared to the 1N5283 (676 pieces in stock), making it a viable alternative for applications where supply continuity is a concern.

Q: Do both parts comply with the same regulatory standards?

A: Yes. Both the 1N5283 and 1N914BTR carry identical ECCN (EAR99) and HTSUS (8541.10.0070) classifications, confirming equivalent export control and tariff treatment for procurement and logistics purposes.

Q: Is the 1N914BTR suitable for all applications using the 1N5283?

A: Substitution suitability depends on circuit-specific requirements. The 1N914BTR's higher current rating (200mA) and different functional design (rectifier versus current regulator) may affect performance in precision current-limiting or biasing applications. Electrical compatibility is confirmed; functional equivalence requires application-level evaluation.

Q: What packaging options are available for both parts?

A: Both the 1N5283 and 1N914BTR are available in DO-35 axial through-hole packages with DO-204AH designation. This packaging equivalence ensures mechanical and electrical compatibility for direct board-level substitution.