SMF12AAlternatives & Equivalent Parts
About SMF12A
SMF12A is a TVS Diode (Uni-directional) component manufactured by LITTELFUSE. It comes in a Small Outline Diode Flat Lead 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 | SMF12ASource | M24512-RMN6P | TJA1052IT/5Y | SMF5.0A |
|---|---|---|---|---|
| Manufacturer | LITTELFUSE | STMicroelectronics | NXP | LITTELFUSE |
| Package Type | Small Outline Diode Flat Lead | Small Outline Packages | Small Outline Packages | Small Outline Diode Flat Lead |
| Pin Count | 2 | 8 | 16 | 2 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -65.0°C ~ 150.0°C |
| Price | $0.0312 | $0.3522 | $3.6600 | $0.0150 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE UNCONFIRMED | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | 7 | 2 | 6.92 | 7.31 |
| Factory Lead Time | — | 10 Weeks | 10 Weeks | — |
| Clock Frequency-Max (fCLK) | — | 0.4 MHz | — | — |
| Data Retention Time-Min | — | 200 | — | — |
| Endurance | — | 4000000 Write/Erase Cycles | — | — |
| I2C Control Byte | — | 1010DDDR | — | — |
| JESD-30 Code | — | R-PDSO-G8 | R-PDSO-G16 | R-PDSO-F2 |
| JESD-609 Code | — | e4 | e4 | e3 |
| Memory Density | — | 524288 bit | — | — |
| Memory IC Type | — | EEPROM | — | — |
| Memory Width | — | 8 | — | — |
| Number of Functions | — | 1 | 1 | — |
| Number of Words | — | 65536 words | — | — |
| Number of Words Code | — | 64000 | — | — |
| Operating Mode | — | SYNCHRONOUS | — | — |
| Organization | — | 64KX8 | — | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | SOP8,.25 | — | — |
| Package Shape | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Parallel/Serial | — | SERIAL | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 |
| Qualification Status | — | Not Qualified | — | — |
| Serial Bus Type | — | I2C | — | — |
| Standby Current-Max | — | 0.000001 A | — | — |
| Supply Current-Max | — | 0.005 mA | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | 1.8 V | — | — |
| Supply Voltage-Nom (Vsup) | — | 2.5 V | — | — |
| Surface Mount | — | YES | YES | YES |
| Technology | — | CMOS | — | AVALANCHE |
| Temperature Grade | — | INDUSTRIAL | AUTOMOTIVE | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Matte Tin (Sn) |
| Terminal Form | — | GULL WING | GULL WING | FLAT |
| Terminal Pitch | — | 1.27 mm | 1.27 mm | — |
| Terminal Position | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | 30 |
| Write Cycle Time-Max (tWC) | — | 5 ms | — | — |
| Write Protection | — | HARDWARE | — | — |
| ## M24512-RMN6P Alternates Showing results | — | Image | — | — |
| Manufacturer Package Code | — | — | SOT162-1 | — |
| Screening Level | — | — | AEC-Q100 | — |
| Supply Voltage-Nom | — | — | 5 V | — |
| Telecom IC Type | — | — | CAN FD TRANSCEIVER | — |
| Additional Feature | — | — | — | EXCELLENT CLAMPING CAPABILITY |
| Breakdown Voltage-Max | — | — | — | 7 V |
| Breakdown Voltage-Min | — | — | — | 6.4 V |
| Breakdown Voltage-Nom | — | — | — | 6.7 V |
| Clamping Voltage-Max | — | — | — | 9.2 V |
| Configuration | — | — | — | SINGLE |
| Diode Element Material | — | — | — | SILICON |
| Diode Type | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 1000 W |
| Number of Elements | — | — | — | 1 |
| Polarity | — | — | — | UNIDIRECTIONAL |
| Power Dissipation-Max | — | — | — | 1 W |
| Reference Standard | — | — | — | IEC-61000-4-2, 4-4; UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | — | — | — | 5 V |
| Reverse Current-Max | — | — | — | 400 µA |
| Reverse Test Voltage | — | — | — | 5 V |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for SMF12A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for SMF12A 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 SMF12A 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 SMF12A?
Known equivalents for SMF12A include M24512-RMN6P, TJA1052IT/5Y, SMF5.0A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SMF12A?
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 SMF12A 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.