MMST5551-7-FAlternatives & Equivalent Parts
About MMST5551-7-F
MMST5551-7-F is a Transistor BJT NPN component manufactured by Diodes Inc.. It comes in a SOT23 (3-Pin) 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 | MMST5551-7-FSource | MMST5401-7-F | THS4631DGN | THS4631DGNR | TPS74401RGRT | SML-P11MTT86R |
|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Diodes Inc. | Texas Instruments | Texas Instruments | Texas Instruments | ROHM Semiconductor |
| Package Type | SOT23 (3-Pin) | SOT23 (3-Pin) | Small Outline Packages | Small Outline Packages | Quad Flat No-Lead | LEDs Chip |
| Pin Count | 3 | 3 | 8 | 8 | 21 | 2 |
| Temperature Range | ~ 150.0°C | ~ 150.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C |
| Price | $0.0560 | $0.0374 | $5.9171 | $4.3250 | $6.5664 | $0.0498 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | — | Yes | — | — |
| Factory Lead Time | 12 Weeks | 12 Weeks | — | — | — | 10 Weeks |
| YTEOL | 7 | 7 | 0 | 15 | 0 | 7 |
| Collector Current-Max (IC) | 0.2 A | 0.2 A | — | — | — | — |
| Collector-Emitter Voltage-Max | 160 V | 150 V | — | — | — | — |
| Configuration | SINGLE | SINGLE | — | — | — | — |
| DC Current Gain-Min (hFE) | 30 | 50 | — | — | — | — |
| JESD-30 Code | R-PDSO-G3 | R-PDSO-G3 | S-PDSO-G8 | S-PDSO-G8 | S-PQCC-N20 | — |
| JESD-609 Code | e3 | e3 | e4 | e4 | e4 | e4 |
| Number of Elements | 1 | 1 | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | SQUARE | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | — |
| Polarity/Channel Type | NPN | PNP | — | — | — | — |
| Power Dissipation-Max (Abs) | 0.2 W | 0.2 W | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Terminal Finish | MATTE TIN | MATTE TIN | NICKEL PALLADIUM GOLD SILVER | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Nickel/Palladium/Gold (Ni/Pd/Au) | Gold (Au) - with Nickel (Ni) barrier |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | NO LEAD | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | QUAD | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 | — |
| Transistor Application | SWITCHING | SWITCHING | — | — | — | — |
| Transistor Element Material | SILICON | SILICON | — | — | — | — |
| Transition Frequency-Nom (fT) | 100 MHz | 100 MHz | — | — | — | — |
| Amplifier Type | — | — | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | — | — |
| Architecture | — | — | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | — | — |
| Average Bias Current-Max (IIB) | — | — | 0.002 µA | 0.002 µA | — | — |
| Bandwidth (3dB)-Nom | — | — | 25 MHz | 25 MHz | — | — |
| Bias Current-Max (IIB) @25C | — | — | 0.0001 µA | 0.0001 µA | — | — |
| Common-mode Reject Ratio-Min | — | — | 86 dB | 86 dB | — | — |
| Common-mode Reject Ratio-Nom | — | — | 95 dB | 95 dB | — | — |
| Frequency Compensation | — | — | YES | YES | — | — |
| Input Offset Current-Max (IIO) | — | — | 0.0001 µA | 0.0001 µA | — | — |
| Input Offset Voltage-Max | — | — | 500 µV | 500 µV | — | — |
| Low-Bias | — | — | YES | YES | — | — |
| Low-Offset | — | — | NO | NO | — | — |
| Micropower | — | — | NO | NO | — | — |
| Neg Supply Voltage Limit-Max | — | — | -16.5 V | -16.5 V | — | — |
| Neg Supply Voltage-Nom (Vsup) | — | — | -15 V | -15 V | — | — |
| Number of Functions | — | — | 1 | 1 | 1 | — |
| Package Equivalence Code | — | — | TSSOP8,.19 | TSSOP8,.19 | — | — |
| Packing Method | — | — | TUBE | TR | TR | — |
| Power | — | — | NO | NO | — | — |
| Programmable Power | — | — | NO | NO | — | — |
| Slew Rate-Nom | — | — | 1000 V/us | 1000 V/us | — | — |
| Supply Current-Max | — | — | 13 mA | 13 mA | — | — |
| Supply Voltage Limit-Max | — | — | 16.5 V | 16.5 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 15 V | 15 V | — | — |
| Technology | — | — | BICMOS | BICMOS | PMOS | — |
| Temperature Grade | — | — | INDUSTRIAL | INDUSTRIAL | — | — |
| Terminal Pitch | — | — | 0.65 mm | 0.65 mm | 0.5 mm | — |
| Unity Gain BW-Nom | — | — | 210000 | 210000 | — | — |
| Voltage Gain-Min | — | — | 1780 | 1780 | — | — |
| Wideband | — | — | YES | YES | — | — |
| ## THS4631DGN Alternates Showing results | — | — | Image | — | — | — |
| ## THS4631DGNR Alternates Showing results | — | — | — | Image | — | — |
| Date Of Intro | — | — | — | — | 2016-04-06 | — |
| Adjustability | — | — | — | — | ADJUSTABLE | — |
| Dropout Voltage1-Max | — | — | — | — | 0.195 V | — |
| Dropout Voltage1-Nom | — | — | — | — | 0.12 V | — |
| Input Voltage-Max | — | — | — | — | 5.5 V | — |
| Input Voltage-Min | — | — | — | — | 0.8 V | — |
| Line Regulation-Max (%/V) | — | — | — | — | 0.05 | — |
| Number of Outputs | — | — | — | — | 1 | — |
| Operating Temperature TJ-Max | — | — | — | — | 125 °C | — |
| Operating Temperature TJ-Min | — | — | — | — | -40 °C | — |
| Output Current1-Max | — | — | — | — | 3 A | — |
| Output Voltage1-Max | — | — | — | — | 3.6 V | — |
| Output Voltage1-Min | — | — | — | — | 0.8 V | — |
| Regulator Type | — | — | — | — | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Voltage Tolerance-Max | — | — | — | — | 1% | — |
| ## TPS74401RGRT Alternates Showing results | — | — | — | — | Image | — |
| Reach Compliance Code | — | — | — | — | — | Compliant |
| Color@Wavelength | — | — | — | — | — | Green-Yellow |
| Forward Current-Max | — | — | — | — | — | 0.02 A |
| Lens Type | — | — | — | — | — | CLEAR |
| Mounting Feature | — | — | — | — | — | SURFACE MOUNT |
| Optoelectronic Device Type | — | — | — | — | — | SINGLE COLOR LED |
| Overall Height | — | — | — | — | — | 0.2 mm |
| Reverse Voltage-Max | — | — | — | — | — | 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 5 alternatives for MMST5551-7-F — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for MMST5551-7-F 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 MMST5551-7-F 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 MMST5551-7-F?
Known equivalents for MMST5551-7-F include MMST5401-7-F, THS4631DGN, THS4631DGNR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MMST5551-7-F?
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 MMST5551-7-F 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.