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1N723 Equivalent & Substitute Parts Reference
Part Overview
The Microchip Technology 1N723 is an active Zener Diode, designed for through-hole mounting in the DO-35 package. It is specified for a nominal Zener voltage of 24 V, a maximum power dissipation of 250 mW, ±10% tolerance, and maximum impedance of 28 Ohms. When original 1N723 stock is not available or RoHS compliance is required, identifying equivalents or substitute Zener diodes with matching electrical and mechanical parameters is essential for design continuity and supply chain robustness.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Category | Packaging | Description | Product Status | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Mounting Type | Package / Case | Supplier Device Package | RoHS Status | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1N723 | Microchip Technology | Diodes, Zener | Bulk | DIODE ZENER 24V 250MW DO35 | Active | 24 V | ±10% | 250 mW | 28 Ohms | Through Hole | DO-204AH, DO-35, Axial | DO-35 | RoHS non-compliant | - |
| BZX79-B24,113 | NXP USA Inc. | Diodes, Zener | Bulk | DIODE ZENER 24V 400MW ALF2 | Active | 24 V | ±2% | 400 mW | 70 Ohms | Through Hole | DO-204AH, DO-35, Axial | ALF2 | - | - |
Substitute Part Grouping Explanation
Substitution between the Microchip Technology 1N723 and NXP USA Inc. BZX79-B24,113 is determined strictly by matching electrical parameters and mechanical compatibility. The relevant key parameters are: Zener voltage (24 V), package/case (DO-204AH, DO-35, Axial), mounting type (through hole), product status (active), and appropriate power, tolerance, and impedance values. Only parts from the same category, Diodes, Zener, and with matching or better specifications for these criteria are included.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Mounting Type | Package / Case | Product Status |
|---|---|---|---|---|---|---|---|---|
| 1N723 | Microchip Technology | 24 V | ±10% | 250 mW | 28 Ohms | Through Hole | DO-204AH, DO-35, Axial | Active |
| BZX79-B24,113 | NXP USA Inc. | 24 V | ±2% | 400 mW | 70 Ohms | Through Hole | DO-204AH, DO-35, Axial | Active |
Engineering Selection Recommendations
Selection between 1N723 and BZX79-B24,113 can be accomplished strictly based on part status and compliance parameters. Both parts are listed as active and suitable for immediate use. RoHS status may be relevant for projects requiring RoHS compliance; 1N723 is RoHS non-compliant, while BZX79-B24,113 does not specify RoHS status in the provided parameters. ECCN and HTSUS codes for both parts match the provided values, indicating similar classification.
Frequently Asked Questions (FAQ)
Q1: What are the necessary criteria for substituting 1N723 with BZX79-B24,113?
A1: Substitution is based on matching nominal Zener voltage, mounting type, package/case, and product status. Both parts are active and share these primary electrical and mechanical characteristics.
Q2: Are there any mechanical differences between the 1N723 and BZX79-B24,113?
A2: Both diodes are in DO-204AH, DO-35, Axial packages for through-hole mounting, which ensures mechanical compatibility for direct replacement.
Q3: Is there a difference in power dissipation rating?
A3: The BZX79-B24,113 has a higher power rating (400 mW) compared to 1N723 (250 mW), within the scope allowed by substitution parameters.
Q4: How do tolerance and impedance values affect substitution?
A4: The substitute part offers tighter tolerance (±2% vs ±10%) and a higher maximum impedance value (70 Ohms vs 28 Ohms). Both parameters are provided for direct comparison.
Q5: Should RoHS compliance be considered in substitution?
A5: RoHS compliance is part of the provided data. 1N723 is specified as RoHS non-compliant. The RoHS status for BZX79-B24,113 is not provided in the current parameters. Select accordingly if compliance is required.
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