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ZMM5226B-13 Equivalent & Substitute Parts Reference
Part Overview
The ZMM5226B-13 is a Zener diode from Vishay General Semiconductor - Diodes Division, classified under diodes, Zener category. It features 3.3 V nominal Zener voltage, 500 mW maximum power dissipation, ±5% voltage tolerance, and is supplied in the DO-213AA (GL34) surface mount package. The component is currently listed as obsolete, which necessitates sourcing alternative models with matching or superior key parameters to ensure ongoing product support and manufacturing continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ZMM5226B-13 |
| Category | Diodes, Zener |
| Voltage - Zener (Nom) (Vz) | 3.3 V |
| Tolerance | ±5% |
| Power - Max | 500 mW |
| Impedance (Max) (Zzt) | 28 Ohms |
| Current - Reverse Leakage @ Vr | 25 µA @ 1 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA |
| Operating Temperature | -65°C ~ 175°C |
| Mounting Type | Surface Mount |
| Package / Case | DO-213AA (GL34) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Parametric equivalent and substitute Zener diodes are determined strictly based on matching the following parameters: Zener voltage (3.3 V), power dissipation (500 mW), maximum impedance (28 Ohms), voltage tolerance (up to ±5%), maximum reverse leakage current, maximum forward voltage, operating temperature range, mounting type, and package/case (DO-213AA or GL34 when specified). Only products meeting or exceeding these parameters are classified as equivalents.
Parameter Comparison
| Parameter | ZMM5226B-13 | JANTX1N746AUR-1/TR | JANTX1N746CUR-1/TR | JANTX1N746DUR-1/TR | JANTXV1N746CUR-1/TR | JANTXV1N746DUR-1/TR |
|---|---|---|---|---|---|---|
| Manufacturer | Vishay General Semiconductor - Diodes Division | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Category | Diodes, Zener | Diodes, Zener | Diodes, Zener | Diodes, Zener | Diodes, Zener | Diodes, Zener |
| Voltage - Zener (Nom) (Vz) | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Tolerance | ±5% | ±5% | ±2% | ±1% | ±2% | ±1% |
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW |
| Impedance (Max) (Zzt) | 28 Ohms | 28 Ohms | 28 Ohms | 28 Ohms | 28 Ohms | 28 Ohms |
| Current - Reverse Leakage @ Vr | 25 µA @ 1 V | 5 µA @ 1 V | 5 µA @ 1 V | 5 µA @ 1 V | 5 µA @ 1 V | 5 µA @ 1 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA |
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-213AA (GL34) | DO-213AA | DO-213AA | DO-213AA | DO-213AA | DO-213AA |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
ZMM5226B-13 is classified as obsolete. Substitute Zener diodes JANTX1N746AUR-1/TR, JANTX1N746CUR-1/TR, JANTX1N746DUR-1/TR, JANTXV1N746CUR-1/TR, and JANTXV1N746DUR-1/TR are active, compliant with ROHS3, and supplied with military and quality certifications such as MIL-PRF-19500/127. These substitute Zener diodes are supplied in the same package type (DO-213AA), maintain matching or better tolerance, and offer equal or superior electrical parameters.
Frequently Asked Questions (FAQ)
Q1: What are the primary criteria for substituting ZMM5226B-13?
A1: The main criteria are matching Zener voltage (3.3 V), power dissipation rating (500 mW), voltage tolerance (up to ±5%), maximum impedance, package compatibility (DO-213AA), and RoHS compliance.
Q2: Are all listed substitute Zener diodes surface mount and package compatible?
A2: Yes. All substitutes utilize the DO-213AA surface-mount package, directly compatible with designs intended for ZMM5226B-13.
Q3: How do tolerance and leakage compare between the original and substitute Zener diodes?
A3: Substitute parts offer equal or tighter voltage tolerance (up to ±1%) and lower maximum reverse leakage (5 µA vs 25 µA).
Q4: Are substitute Zener diodes compliant with the same environmental and quality standards?
A4: Yes. All substitute Zener diodes are ROHS3 compliant and have additional military-grade qualifications.
Q5: Which parameters must be compared to ensure compatibility?
A5: Voltage rating, tolerance, power rating, impedance, reverse leakage, forward voltage, operating temperature, mounting type, and package/case must match or exceed those of ZMM5226B-13.
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