3549-2Alternatives & Equivalent Parts
About 3549-2
3549-2 is a Fuse component manufactured by Keystone Electronics. It comes in a Other 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 | 3549-2Source | STEF12EPUR | MIC29300-12WU-TR | LM1084IT-5.0/NOPB | SS110 | DAC60502DRXT |
|---|---|---|---|---|---|---|
| Manufacturer | Keystone Electronics | STMicroelectronics | Microchip | Texas Instruments | Taiwan Semiconductor | Texas Instruments |
| Package Type | Other | Small Outline No-lead | Other | Transistor Outline, Vertical | Other | Small Outline No-lead |
| Pin Count | 4 | 11 | 3 | 3 | 2 | 10 |
| Temperature Range | — | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C | -40.0°C ~ 125.0°C |
| Price | $0.5250 | $0.4896 | $1.9100 | $1.5000 | $0.0090 | $4.0300 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Manufacturer Package Code | — | VDFPN 10 3x3x1.0 | TO-263-3 | — | — | — |
| Factory Lead Time | — | 20 Weeks | 19 Weeks | — | — | — |
| Additional Feature | — | CURRENT LIMIT:5.5A; THERMAL SHUTDOWN:165C | — | — | LOW POWER LOSS | — |
| Adjustable Threshold | — | NO | — | — | — | — |
| Analog IC - Other Type | — | eFUSE | — | — | — | — |
| JESD-30 Code | — | S-PDSO-N10 | R-PSSO-G3 | R-XSFM-T3 | R-PDSO-C2 | S-PDSO-N10 |
| JESD-609 Code | — | e4 | e3 | e3 | — | e4 |
| Number of Channels | — | 1 | — | — | — | — |
| Number of Functions | — | 1 | 1 | 1 | — | 1 |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | SOLCC10,.12,20 | SMSIP3H,.55TB | SIP3,.1TB | — | SOLCC10(UNSPEC) |
| Package Shape | — | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | — | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | FLANGE MOUNT | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | — | — | 260 |
| Supply Voltage-Min (Vsup) | — | 7.6 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 12 V | — | — | — | — |
| Surface Mount | — | YES | YES | NO | YES | YES |
| Temperature Grade | — | AUTOMOTIVE | — | — | — | AUTOMOTIVE |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | — | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Terminal Form | — | NO LEAD | GULL WING | THROUGH-HOLE | C BEND | NO LEAD |
| Terminal Pitch | — | 0.5 mm | 2.54 mm | 2.54 mm | — | — |
| Terminal Position | — | DUAL | SINGLE | SINGLE | DUAL | DUAL |
| Threshold Voltage-Nom | — | 8.5 | — | — | — | — |
| YTEOL | — | — | 8 | 15 | — | 15 |
| Adjustability | — | — | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | — | — | 0.6 V | 1.5 V | — | — |
| Dropout Voltage1-Nom | — | — | 0.37 V | 1.3 V | — | — |
| Input Voltage Absolute-Max | — | — | 60 V | 25 V | — | — |
| Input Voltage-Max | — | — | 26 V | 29 V | — | — |
| Input Voltage-Min | — | — | 13 V | 6.5 V | — | — |
| Line Regulation-Max | — | — | 0.06% | 0.01% | — | — |
| Load Regulation-Max | — | — | 0.12% | 0.035% | — | — |
| Number of Outputs | — | — | 1 | 1 | — | — |
| Operating Temperature TJ-Max | — | — | 125 °C | 125 °C | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | -40 °C | — | — |
| Output Current1-Max | — | — | 3 A | 5.5 A | — | — |
| Output Voltage1-Max | — | — | 12.24 V | 5.1 V | — | — |
| Output Voltage1-Min | — | — | 11.76 V | 4.9 V | — | — |
| Output Voltage1-Nom | — | — | 12 V | 5 V | — | — |
| Packing Method | — | — | TR | TUBE | — | — |
| Qualification Status | — | — | Not Qualified | Not Qualified | — | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Screening Level | — | — | TS 16949 | — | — | — |
| Technology | — | — | BIPOLAR | BIPOLAR | SCHOTTKY | — |
| Voltage Tolerance-Max | — | — | 2% | 2% | — | — |
| ## MIC29300-12WU-TR Alternates Showing results | — | — | Image | — | — | — |
| Pbfree Code | — | — | — | Yes | — | Yes |
| Reach Compliance Code | — | — | — | Compliant | — | — |
| ## LM1084IT-5.0/NOPB Alternates Showing results | — | — | — | Image | — | — |
| Application | — | — | — | — | EFFICIENCY | — |
| Breakdown Voltage-Min | — | — | — | — | 100 V | — |
| Configuration | — | — | — | — | SINGLE | — |
| Diode Element Material | — | — | — | — | SILICON | — |
| Diode Type | — | — | — | — | RECTIFIER DIODE | — |
| Forward Voltage-Max (VF) | — | — | — | — | 0.85 V | — |
| Non-rep Pk Forward Current-Max | — | — | — | — | 30 A | — |
| Number of Elements | — | — | — | — | 1 | — |
| Number of Phases | — | — | — | — | 1 | — |
| Output Current-Max | — | — | — | — | 1 A | — |
| Rep Pk Reverse Voltage-Max | — | — | — | — | 100 V | — |
| Reverse Current-Max | — | — | — | — | 1000 µA | — |
| Reverse Test Voltage | — | — | — | — | 100 V | — |
| Date Of Intro | — | — | — | — | — | 2019-12-15 |
| Analog Output Voltage-Max | — | — | — | — | — | 5.5 V |
| Converter Type | — | — | — | — | — | D/A CONVERTER |
| Input Bit Code | — | — | — | — | — | BINARY |
| Input Format | — | — | — | — | — | SERIAL |
| Linearity Error-Max (EL) | — | — | — | — | — | 0.0244% |
| Number of Bits | — | — | — | — | — | 12 |
| Settling Time-Max | — | — | — | — | — | 5 µs |
| Settling Time-Nom (tstl) | — | — | — | — | — | 5 µs |
| Supply Voltage-Nom | — | — | — | — | — | 5 V |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | — | 30 |
| ## DAC60502DRXT Alternates Showing results | — | — | — | — | — | Image |
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 5 alternatives for 3549-2 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 3549-2 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 3549-2 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 3549-2?
Known equivalents for 3549-2 include STEF12EPUR, MIC29300-12WU-TR, LM1084IT-5.0/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 3549-2?
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 3549-2 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.