MMSZ5242BT1GAlternatives & Equivalent Parts
About MMSZ5242BT1G
MMSZ5242BT1G is a Zener Diode component manufactured by ON Semiconductor. It comes in a Small Outline Diode package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | MMSZ5242BT1GSource | RD12S-A | UDZSTE-1712B | UDZSTE-1713B | UDZSTE-175.6B | BZX84C12LT1G |
|---|---|---|---|---|---|---|
| Manufacturer | ON Semiconductor | Renesas Electronics | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor | ON Semiconductor |
| Package Type | Small Outline Diode | Small Outline Diode | Other | Other | Other | SOT23 (3-Pin) |
| Pin Count | 2 | 2 | 2 | 2 | 2 | 3 |
| Temperature Range | -55.0°C ~ 150.0°C | — | ~ 125.0°C | -55.0°C ~ 150.0°C | -55.0°C ~ 150.0°C | -65.0°C ~ 150.0°C |
| Price | $0.0139 | — | $0.0338 | $0.0078 | $0.0384 | $0.0243 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | END OF LIFE | END OF LIFE | END OF LIFE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | — | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | 425-04 | — | — | — | — | 318 |
| YTEOL | 6.65 | — | 1 | 1 | 1 | 7.1 |
| Configuration | SINGLE | — | SINGLE | SINGLE | SINGLE | SINGLE |
| Diode Element Material | SILICON | — | SILICON | SILICON | SILICON | SILICON |
| Diode Type | ZENER DIODE | — | ZENER DIODE | ZENER DIODE | ZENER DIODE | ZENER DIODE |
| Dynamic Impedance-Max | 30 Ω | — | 30 Ω | 37 Ω | 60 Ω | 25 Ω |
| JESD-30 Code | R-PDSO-G2 | — | R-PDSO-F2 | R-PDSO-F2 | R-PDSO-F2 | R-PDSO-G3 |
| JESD-609 Code | e3 | — | e1 | e1 | e1 | e3 |
| Number of Elements | 1 | — | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | 260 | 260 |
| Polarity | UNIDIRECTIONAL | — | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Power Dissipation-Max | 0.5 W | — | 0.2 W | 0.2 W | 0.2 W | 0.25 W |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Reference Voltage-Nom | 12 V | — | 12 V | 13 V | 5.6 V | 12 V |
| Surface Mount | YES | — | YES | YES | YES | YES |
| Technology | ZENER | — | ZENER | ZENER | ZENER | ZENER |
| Terminal Finish | Matte Tin (Sn) - annealed | — | Tin/Silver/Copper (Sn/Ag/Cu) | Tin/Silver/Copper (Sn/Ag/Cu) | Tin/Silver/Copper (Sn/Ag/Cu) | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | — | FLAT | FLAT | FLAT | GULL WING |
| Terminal Position | DUAL | — | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 10 | 10 | 30 | 30 |
| Voltage Tol-Max | 5% | — | 2.09% | 2.2% | 2.14% | 5.39% |
| Working Test Current | 20 mA | — | 5 mA | 5 mA | 5 mA | 5 mA |
| Date Of Intro | — | — | 1997-07-01 | — | — | — |
| Additional Feature | — | — | — | HIGH RELIABILITY | HIGH RELIABILITY | — |
| Knee Impedance-Max | — | — | — | 80 Ω | 200 Ω | — |
| Reverse Current-Max | — | — | — | 0.1 µA | 1 µA | — |
| Reverse Test Voltage | — | — | — | 10 V | 2.5 V | — |
| Factory Lead Time | — | — | — | — | — | 9 Weeks |
| JEDEC-95 Code | — | — | — | — | — | TO-236AB |
| Reference Standard | — | — | — | — | — | UL RECOGNIZED |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for MMSZ5242BT1G — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MMSZ5242BT1G is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating MMSZ5242BT1G replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to MMSZ5242BT1G?
Known equivalents for MMSZ5242BT1G include RD12S-A, UDZSTE-1712B, UDZSTE-1713B. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MMSZ5242BT1G?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify MMSZ5242BT1G alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.