2N5551Alternatives & Equivalent Parts
About 2N5551
2N5551 is a Transistor BJT NPN component manufactured by ON Semiconductor. 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 | 2N5551Source | 2N5401 | TL431BCDCKTE4 | RK09L1140A65 | AD9106BCPZ | ADP7182AUJZ-2.5-R7 |
|---|---|---|---|---|---|---|
| Manufacturer | ON Semiconductor | MULTICOMP | Texas Instruments | ALPS | Analog Devices | Analog Devices |
| Package Type | Other | Other | SOT23 (6-Pin) | Other | Quad Flat No-Lead | SOT23 (5-Pin) |
| Pin Count | 3 | 3 | 6 | 5 | 32 | 5 |
| Temperature Range | ~ 150.0°C | — | ~ 70.0°C | — | -40.0°C ~ 85.0°C | — |
| Price | $0.0085 | $0.0110 | — | $1.1100 | $22.1500 | $2.3625 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | — | OBSOLETE | — | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | No | — | Yes | — | No | No |
| Factory Lead Time | 6 Weeks | — | — | — | — | — |
| YTEOL | 6.5 | — | 0 | — | 10 | 10 |
| Collector Current-Max (IC) | 0.6 A | — | — | — | — | — |
| Collector-Emitter Voltage-Max | 160 V | — | — | — | — | — |
| Configuration | SINGLE | — | — | — | — | — |
| DC Current Gain-Min (hFE) | 80 | — | — | — | — | — |
| JEDEC-95 Code | TO-92 | — | — | — | — | — |
| JESD-30 Code | O-PBCY-T3 | — | R-PDSO-G6 | — | S-XBCS-N32 | R-PDSO-G5 |
| JESD-609 Code | e0 | — | e4 | — | e3 | e3 |
| Number of Elements | 1 | — | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | UNSPECIFIED | PLASTIC/EPOXY |
| Package Shape | ROUND | — | RECTANGULAR | — | SQUARE | RECTANGULAR |
| Package Style | CYLINDRICAL | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | — | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Polarity/Channel Type | NPN | — | — | — | — | — |
| Power Dissipation-Max (Abs) | 0.35 W | — | — | — | — | — |
| Qualification Status | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified |
| Surface Mount | NO | — | YES | — | YES | YES |
| Terminal Finish | Tin/Lead (Sn/Pb) | — | NICKEL PALLADIUM GOLD | — | Matte Tin (Sn) | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE | — | GULL WING | — | NO LEAD | GULL WING |
| Terminal Position | BOTTOM | — | DUAL | — | QUAD | DUAL |
| Transistor Application | AMPLIFIER | — | — | — | — | — |
| Transistor Element Material | SILICON | — | — | — | — | — |
| Transition Frequency-Nom (fT) | 100 MHz | — | — | — | — | — |
| Additional Feature | — | — | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V | — | — | — |
| Analog IC - Other Type | — | — | TWO TERMINAL VOLTAGE REFERENCE | — | — | — |
| Number of Functions | — | — | 1 | — | 1 | 1 |
| Number of Outputs | — | — | 1 | — | — | 1 |
| Output Current-Max | — | — | 0.1 A | — | — | — |
| Output Voltage-Max | — | — | 2.507 V | — | — | — |
| Output Voltage-Min | — | — | 2.483 V | — | — | — |
| Output Voltage-Nom | — | — | 2.495 V | — | — | — |
| Package Equivalence Code | — | — | TSSOP6,.08 | — | LCC32,.2SQ,20 | TSOP5/6,.11,37 |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | 260 | 260 |
| Technology | — | — | BIPOLAR | — | — | CMOS |
| Temp Coef of Voltage-Max | — | — | 92 ppm/°C | — | — | — |
| Temperature Grade | — | — | COMMERCIAL | — | INDUSTRIAL | — |
| Terminal Pitch | — | — | 0.65 mm | — | 0.5 mm | 0.95 mm |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — | 30 | 30 |
| Trim/Adjustable Output | — | — | YES | — | — | — |
| ## TL431BCDCKTE4 Alternates Showing results | — | — | Image | — | — | — |
| Source Url Status Check Date | — | — | — | — | 2013-05-01 14:56:29.708 | — |
| Manufacturer Package Code | — | — | — | — | CP-32-12 | UJ-5 |
| Analog Output Voltage-Max | — | — | — | — | 10 V | — |
| Analog Output Voltage-Min | — | — | — | — | -0.5 V | — |
| Converter Type | — | — | — | — | D/A CONVERTER | — |
| Input Bit Code | — | — | — | — | BINARY | — |
| Input Format | — | — | — | — | SERIAL | — |
| Linearity Error-Max (EL) | — | — | — | — | 0.012% | — |
| Number of Bits | — | — | — | — | 12 | — |
| Settling Time-Nom (tstl) | — | — | — | — | 0.0312 µs | — |
| Supply Voltage-Nom | — | — | — | — | 1.8 V | — |
| Adjustability | — | — | — | — | — | FIXED |
| Dropout Voltage1-Nom | — | — | — | — | — | 0.185 V |
| Input Voltage Absolute-Max | — | — | — | — | — | 30 V |
| Input Voltage-Max | — | — | — | — | — | 28 V |
| Input Voltage-Min | — | — | — | — | — | 2.7 V |
| Line Regulation-Max | — | — | — | — | — | 0.00625% |
| Load Regulation-Max | — | — | — | — | — | 0.0299% |
| Operating Temperature TJ-Max | — | — | — | — | — | 125 °C |
| Operating Temperature TJ-Min | — | — | — | — | — | -40 °C |
| Output Current1-Max | — | — | — | — | — | 0.2 A |
| Output Voltage1-Max | — | — | — | — | — | 2.55 V |
| Output Voltage1-Min | — | — | — | — | — | 2.425 V |
| Output Voltage1-Nom | — | — | — | — | — | 2.5 V |
| Packing Method | — | — | — | — | — | TR |
| Regulator Type | — | — | — | — | — | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
| Voltage Tolerance-Max | — | — | — | — | — | 3% |
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 2N5551 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 2N5551 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 2N5551 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 2N5551?
Known equivalents for 2N5551 include 2N5401, TL431BCDCKTE4, RK09L1140A65. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 2N5551?
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 2N5551 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.