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MMSZ4713-TP Zener Diode Equivalent & Substitute Parts
Part Overview
The MMSZ4713-TP is a 30 V, 500 mW Zener diode manufactured by Micro Commercial Co in SOD-123 surface mount packaging. This component is classified as an active product and is ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) | 30 | V |
| Tolerance | ±5 | % |
| Power - Maximum | 500 | mW |
| Current - Reverse Leakage @ Vr | 10 nA @ 22.8 V | nA |
| Voltage - Forward (Max) @ If | 950 | mV @ 10 mA |
| Operating Temperature Range | -55 to 150 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | SOD-123 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the MMSZ4713-TP are identified based on the following critical parameters that determine functional and mechanical compatibility:
Electrical Equivalence Criteria:
- Zener voltage (Nominal): 30 V
- Tolerance: ±5%
- Maximum power dissipation: 500 mW
- Reverse leakage current: 10 nA @ 22.8 V
- Operating temperature range: -55°C to 150°C
Mechanical Compatibility Criteria:
- Package type: SOD-123 surface mount
- Mounting configuration: Surface mount
Compliance Requirements:
- RoHS3 compliance
- Moisture Sensitivity Level 1 (Unlimited)
Parts meeting all electrical and mechanical parameters within the specified tolerances are classified as direct substitutes. The MMSZ4713T1G manufactured by onsemi satisfies all substitution criteria.
Parameter Comparison
| Parameter | MMSZ4713-TP (Micro Commercial Co) | MMSZ4713T1G (onsemi) | Match Status |
|---|---|---|---|
| Voltage - Zener (Nom) | 30 V | 30 V | Equivalent |
| Tolerance | ±5% | ±5% | Equivalent |
| Power - Max | 500 mW | 500 mW | Equivalent |
| Current - Reverse Leakage @ Vr | 10 nA @ 22.8 V | 10 nA @ 22.8 V | Equivalent |
| Voltage - Forward (Vf) (Max) @ If | 950 mV @ 10 mA | 900 mV @ 10 mA | Compatible |
| Operating Temperature | -55°C ~ 150°C | -55°C ~ 150°C | Equivalent |
| Mounting Type | Surface Mount | Surface Mount | Equivalent |
| Package / Case | SOD-123 | SOD-123 | Equivalent |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Equivalent |
Engineering Selection Recommendations
The MMSZ4713T1G manufactured by onsemi is a direct substitute for the MMSZ4713-TP. Both components are active products with ROHS3 compliance and identical electrical specifications within the defined tolerance band. The forward voltage differential (950 mV versus 900 mV at 10 mA) is within acceptable circuit design margins for zener diode applications and does not affect substitution eligibility.
Selection between the MMSZ4713-TP and MMSZ4713T1G is determined by availability, supply chain requirements, and procurement preferences. Both parts are suitable for identical circuit applications without design modification.
Frequently Asked Questions (FAQ)
Q: Can the MMSZ4713T1G replace the MMSZ4713-TP in existing designs?
A: Yes. Both components share identical zener voltage (30 V), power rating (500 mW), tolerance (±5%), reverse leakage current (10 nA @ 22.8 V), operating temperature range (-55°C to 150°C), and SOD-123 package configuration. The forward voltage difference (50 mV) is within acceptable design margins for zener diode circuits.
Q: Are there package compatibility concerns when substituting these parts?
A: No. Both the MMSZ4713-TP and MMSZ4713T1G use identical SOD-123 surface mount packaging. PCB footprints, reflow profiles, and assembly processes remain unchanged.
Q: Do both parts meet the same compliance standards?
A: Yes. Both components are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Moisture Sensitivity Level is 1 (Unlimited) for both parts.
Q: What is the primary difference between these two parts?
A: The manufacturer differs (Micro Commercial Co versus onsemi). The forward voltage specification at 10 mA is 950 mV for the MMSZ4713-TP and 900 mV for the MMSZ4713T1G. All other electrical and mechanical parameters are identical.
Q: Are there inventory or lead time considerations?
A: Inventory levels differ between suppliers. Availability should be confirmed with component distributors based on project timeline requirements.
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