RD12S-AAlternatives & Equivalent Parts
About RD12S-A
RD12S-A is a Integrated Circuit component manufactured by Renesas Electronics. 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 | RD12S-ASource | UDZSTE-1712B | UDZSTE-1713B | UDZSTE-175.6B | UDZVTE-1712B | MMSZ5242BT1G | BZX84C12LT1G |
|---|---|---|---|---|---|---|---|
| Manufacturer | Renesas Electronics | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor | ON Semiconductor | ON Semiconductor |
| Package Type | Small Outline Diode | Other | Other | Other | Small Outline Diode Flat Lead | Small Outline Diode | SOT23 (3-Pin) |
| Pin Count | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
| Temperature Range | — | ~ 125.0°C | -55.0°C ~ 150.0°C | -55.0°C ~ 150.0°C | ~ 150.0°C | -55.0°C ~ 150.0°C | -65.0°C ~ 150.0°C |
| Price | — | $0.0338 | $0.0078 | $0.0384 | $0.0383 | $0.0139 | $0.0243 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | END OF LIFE | END OF LIFE | END OF LIFE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | — | Yes | Yes | Yes | — | Yes | Yes |
| Date Of Intro | — | 1997-07-01 | — | — | — | — | — |
| YTEOL | — | 1 | 1 | 1 | 9 | 6.65 | 7.1 |
| Configuration | — | SINGLE | SINGLE | SINGLE | SINGLE | SINGLE | SINGLE |
| Diode Element Material | — | SILICON | SILICON | SILICON | SILICON | SILICON | SILICON |
| Diode Type | — | ZENER DIODE | ZENER DIODE | ZENER DIODE | ZENER DIODE | ZENER DIODE | ZENER DIODE |
| Dynamic Impedance-Max | — | 30 Ω | 37 Ω | 60 Ω | 30 Ω | 30 Ω | 25 Ω |
| JESD-30 Code | — | R-PDSO-F2 | R-PDSO-F2 | R-PDSO-F2 | R-PDSO-F2 | R-PDSO-G2 | R-PDSO-G3 |
| JESD-609 Code | — | e1 | e1 | e1 | e3 | e3 | e3 |
| Number of Elements | — | 1 | 1 | 1 | 1 | 1 | 1 |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | 260 | 260 | 260 |
| Polarity | — | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Power Dissipation-Max | — | 0.2 W | 0.2 W | 0.2 W | 0.2 W | 0.5 W | 0.25 W |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| Reference Voltage-Nom | — | 12 V | 13 V | 5.6 V | 12 V | 12 V | 12 V |
| Surface Mount | — | YES | YES | YES | YES | YES | YES |
| Technology | — | ZENER | ZENER | ZENER | ZENER | ZENER | ZENER |
| Terminal Finish | — | Tin/Silver/Copper (Sn/Ag/Cu) | Tin/Silver/Copper (Sn/Ag/Cu) | Tin/Silver/Copper (Sn/Ag/Cu) | Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | — | FLAT | FLAT | FLAT | FLAT | GULL WING | GULL WING |
| Terminal Position | — | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | 10 | 10 | 30 | 10 | 30 | 30 |
| Voltage Tol-Max | — | 2.09% | 2.2% | 2.14% | 2.09% | 5% | 5.39% |
| Working Test Current | — | 5 mA | 5 mA | 5 mA | 5 mA | 20 mA | 5 mA |
| Additional Feature | — | — | HIGH RELIABILITY | 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 | — | — | — |
| Manufacturer Package Code | — | — | — | — | — | 425-04 | 318 |
| 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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Why Look for Alternatives?
Finding alternatives for RD12S-A 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 RD12S-A 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 RD12S-A?
Known equivalents for RD12S-A include UDZSTE-1712B, UDZSTE-1713B, UDZSTE-175.6B. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of RD12S-A?
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 RD12S-A 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.