SM5908Alternatives & Equivalent Parts
About SM5908
SM5908 is a Diode component manufactured by STMicroelectronics. It comes in a Diodes Moulded 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 | SM5908Source | ITA25B1 | LCP1521S | LDP24A | RBO08-40G | SMB6F26AY | TCPP03-M20 | 1N5908 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Diodes Moulded | Small Outline Packages | Small Outline Packages | Diodes, Axial Diameter Horizontal Mounting | Other | Diodes Moulded Non Polarised | Quad Flat No-Lead | Diodes, Axial Diameter Horizontal Mounting |
| Pin Count | 2 | 8 | 8 | 2 | 3 | 2 | 21 | 2 |
| Temperature Range | -55.0°C ~ 175.0°C | ~ 125.0°C | -40.0°C ~ 85.0°C | ~ 175.0°C | ~ 150.0°C | -55.0°C ~ 175.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 175.0°C |
| Price | $0.3351 | $0.8913 | $0.3256 | $1.2461 | $0.9743 | $0.2000 | $0.9045 | $0.3112 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | OBSOLETE | END OF LIFE | OBSOLETE | ACTIVE UNCONFIRMED | ACTIVE | END OF LIFE |
| Electrical Parameters | ||||||||
| Factory Lead Time | 13 Weeks | — | — | — | — | 111 Weeks | — | 25 Weeks |
| YTEOL | 6.41 | 0 | 0 | 1 | 0 | 6.46 | 6 | 1 |
| Additional Feature | UL RECOGNIZED | — | — | — | HIGH RELIABILITY | ISO 7637-2, ISO 10605 | Adjustable Current Limit | UL RECOGNIZED |
| Breakdown Voltage-Min | 6 V | 25 V | — | 25 V | — | 28.9 V | — | 6 V |
| Clamping Voltage-Max | 8.5 V | 38 V | — | 40 V | 40 V | 42.1 V | — | 8.5 V |
| Configuration | SINGLE, 1 CHANNEL | COMMON CATHODE, 6 ELEMENTS, 6 CHANNEL | — | SINGLE, 1 CHANNEL | SINGLE WITH BUILT-IN DIODE | SINGLE | — | SINGLE, 1 CHANNEL |
| Diode Element Material | SILICON | SILICON | — | SILICON | — | SILICON | — | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | TRANS VOLTAGE SUPPRESSOR DIODE | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | DO-214AB | — | — | — | — | DO-221AA | — | DO-201 |
| JESD-30 Code | R-PDSO-C2 | R-PDSO-G8 | R-PDSO-G8 | O-PALF-W2 | R-PSSO-G2 | R-PDSO-F2 | S-XQCC-N20 | O-PALF-W2 |
| Non-rep Peak Rev Power Dis-Max | 1500 W | 300 W | — | — | — | 600 W | — | 1500 W |
| Number of Elements | 1 | 6 | — | 1 | 1 | 1 | — | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | ROUND | RECTANGULAR | RECTANGULAR | SQUARE | ROUND |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | LONG FORM | SMALL OUTLINE | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | LONG FORM |
| Polarity | UNIDIRECTIONAL | BIDIRECTIONAL | — | UNIDIRECTIONAL | — | UNIDIRECTIONAL | — | UNIDIRECTIONAL |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — | Not Qualified |
| Reference Standard | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750; MIL-STD-883G | IEC-61000-4-2; MIL-STD-883G | — | — | — | AEC-Q101; IEC-61000-4-2, 4-4; MIL-STD-750 | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750; MIL-STD-883G |
| Rep Pk Reverse Voltage-Max | 5 V | 24 V | — | 24 V | — | 26 V | — | 5 V |
| Reverse Current-Max | 300 µA | 4 µA | — | 50 µA | — | 0.2 µA | — | 300 µA |
| Reverse Test Voltage | 5 V | 24 V | — | 24 V | — | 26 V | — | 5 V |
| Surface Mount | YES | YES | YES | NO | YES | YES | YES | NO |
| Technology | AVALANCHE | AVALANCHE | — | AVALANCHE | — | AVALANCHE | — | AVALANCHE |
| Terminal Form | C BEND | GULL WING | GULL WING | WIRE | GULL WING | FLAT | NO LEAD | WIRE |
| Terminal Position | DUAL | DUAL | DUAL | AXIAL | SINGLE | DUAL | QUAD | AXIAL |
| Diode Capacitance-Min | — | 300 pF | — | — | — | — | — | — |
| JESD-609 Code | — | e4 | e4 | e3 | e3 | e3 | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | — | NOT SPECIFIED | 260 | — | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) - annealed |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | — | NOT SPECIFIED | 10 | — | — |
| Number of Functions | — | — | 1 | — | — | — | 1 | — |
| Telecom IC Type | — | — | GAS DISCHARGE TUBE SUPPRESSOR | — | — | — | — | — |
| Temperature Grade | — | — | INDUSTRIAL | — | — | — | — | — |
| Terminal Pitch | — | — | 1.27 mm | — | — | — | 0.5 mm | — |
| ## LCP1521S Alternates Showing results | — | — | Image | — | — | — | — | — |
| Date Of Intro | — | — | — | 1980-01-04 | — | 2019-03-29 | — | — |
| Breakdown Voltage-Max | — | — | — | 32 V | — | 31.9 V | — | — |
| Breakdown Voltage-Nom | — | — | — | 28.5 V | — | 30.4 V | — | — |
| Case Connection | — | — | — | ISOLATED | — | — | — | ISOLATED |
| Power Dissipation-Max | — | — | — | 5 W | — | — | — | — |
| ## LDP24A Alternates Showing results | — | — | — | Image | — | — | — | — |
| Trigger Device Type | — | — | — | — | SILICON SURGE PROTECTOR | — | — | — |
| Adjustable Threshold | — | — | — | — | — | — | YES | — |
| Analog IC - Other Type | — | — | — | — | — | — | LOAD SWITCH | — |
| Number of Channels | — | — | — | — | — | — | 1 | — |
| Package Equivalence Code | — | — | — | — | — | — | LCC20,.16SQ,20 | — |
| Supply Current-Max (Isup) | — | — | — | — | — | — | 2.7 mA | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | — | 5.5 V | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | — | 2.7 V | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | — | — | 3 V | — |
| Threshold Voltage-Nom | — | — | — | — | — | — | 2.4 | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
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Quick Links
Why Look for Alternatives?
Finding alternatives for SM5908 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 SM5908 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 SM5908?
Known equivalents for SM5908 include ITA25B1, LCP1521S, LDP24A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SM5908?
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 SM5908 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.