MMDT3946-7-FAlternatives & Equivalent Parts
About MMDT3946-7-F
MMDT3946-7-F is a Transistor component manufactured by Diodes Inc.. It comes in a SOT23 (6-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 | MMDT3946-7-FSource | GRM31CR72D104KW03L | PBSS9110Z | ZXTN2020FTA | BTN8962TA | L9369-TR | LM22672MR-ADJ/NOPB |
|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Murata Electronics | Nexperia | Diodes Inc. | Infineon | STMicroelectronics | Texas Instruments |
| Package Type | SOT23 (6-Pin) | Other | SOT223 (3-Pin) | Other | Other | Quad Flat Packages | Small Outline Packages |
| Pin Count | 6 | 2 | 4 | 3 | 8 | 64 | 9 |
| Temperature Range | ~ 150.0°C | -55.0°C ~ 125.0°C | — | ~ 150.0°C | — | -40.0°C ~ 175.0°C | -40.0°C ~ 125.0°C |
| Price | $0.0324 | $0.0739 | — | $0.2466 | $2.2549 | $3.7222 | $1.7744 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | — | Yes | — | — | Yes |
| Factory Lead Time | 12 Weeks | 16 Weeks | — | 26 Weeks | — | 36 Weeks | — |
| YTEOL | 7 | 3 | 4 | 4 | 7 | — | 15 |
| Collector Current-Max (IC) | 0.2 A | — | — | 4 A | — | — | — |
| Collector-Emitter Voltage-Max | 40 V | — | — | 100 V | — | — | — |
| Configuration | SEPARATE, 2 ELEMENTS | — | — | SINGLE | — | — | — |
| DC Current Gain-Min (hFE) | 30 | — | — | 35 | — | — | — |
| JESD-30 Code | R-PDSO-G6 | — | — | R-PDSO-G3 | R-PSSO-G7 | S-PQFP-G64 | R-PDSO-G8 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | — | e3 |
| Number of Elements | 2 | — | — | 1 | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR PACKAGE | — | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMT | — | SMALL OUTLINE | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | — | NOT SPECIFIED | 260 |
| Polarity/Channel Type | NPN AND PNP | — | — | NPN | — | — | — |
| Power Dissipation-Max (Abs) | 0.2 W | — | — | — | — | — | — |
| Qualification Status | Not Qualified | — | — | Not Qualified | — | — | — |
| Surface Mount | YES | YES | — | YES | YES | YES | YES |
| Terminal Finish | MATTE TIN | Matte Tin (Sn) - with Nickel (Ni) barrier | TIN | MATTE TIN | Tin (Sn) | — | Matte Tin (Sn) |
| Terminal Form | GULL WING | — | — | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Position | DUAL | — | — | DUAL | SINGLE | QUAD | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | — | — | NOT SPECIFIED | 30 |
| Transistor Application | SWITCHING | — | — | SWITCHING | — | — | — |
| Transistor Element Material | SILICON | — | — | SILICON | — | — | — |
| Transition Frequency-Nom (fT) | 300 MHz | — | — | 130 MHz | — | — | — |
| Turn-off Time-Max (toff) | 250 ns | — | — | — | — | — | — |
| Turn-on Time-Max (ton) | 70 ns | — | — | — | — | — | — |
| Reach Compliance Code | — | Compliant | — | — | — | — | — |
| Capacitance | — | 0.1 µF | — | — | — | — | — |
| Capacitor Type | — | CERAMIC CAPACITOR | — | — | — | — | — |
| Dielectric Material | — | CERAMIC | — | — | — | — | — |
| Height | — | 1.6 mm | — | — | — | — | — |
| Mounting Feature | — | SURFACE MOUNT | — | — | — | — | — |
| Multilayer | — | Yes | — | — | — | — | — |
| Negative Tolerance | — | 10% | — | — | — | — | — |
| Packing Method | — | 180mm Reel Embossed Tape | — | — | — | — | — |
| Positive Tolerance | — | 10% | — | — | — | — | — |
| Rated (DC) Voltage (URdc) | — | 200 V | — | — | — | — | — |
| Size Code | — | 3216M/1206 | — | — | — | — | — |
| Temperature Characteristics Code | — | X7R | — | — | — | — | — |
| Temperature Coefficient | — | 15% ppm/°C | — | — | — | — | — |
| Terminal Shape | — | WRAPAROUND | — | — | — | — | — |
| Date Of Intro | — | — | 2017-02-01 | — | — | — | — |
| Built-in Protections | — | — | — | — | TRANSIENT; OVER CURRENT; OVER VOLTAGE; UNDER VOLTAGE; THERMAL | — | — |
| Input Characteristics | — | — | — | — | SCHMITT TRIGGER | — | — |
| Interface IC Type | — | — | — | — | HALF BRIDGE BASED PERIPHERAL DRIVER | — | — |
| Number of Functions | — | — | — | — | 1 | 1 | 1 |
| Output Current Flow Direction | — | — | — | — | SOURCE AND SINK | — | — |
| Output Polarity | — | — | — | — | TRUE | — | — |
| Package Equivalence Code | — | — | — | — | SMSIP7H,.55,50TB | QFP64,.47SQ,20 | SOP8,.25 |
| Screening Level | — | — | — | — | AEC-Q100 | AEC-Q100 | — |
| Supply Voltage-Max | — | — | — | — | 18 V | — | — |
| Supply Voltage-Min | — | — | — | — | 8 V | — | — |
| Supply Voltage-Nom | — | — | — | — | 13.5 V | — | — |
| Technology | — | — | — | — | MOS | — | — |
| Terminal Pitch | — | — | — | — | 1.27 mm | 0.5 mm | 1.27 mm |
| Analog IC - Other Type | — | — | — | — | — | ANALOG CIRCUIT | SWITCHING REGULATOR |
| Number of Channels | — | — | — | — | — | 1 | — |
| Additional Feature | — | — | — | — | — | — | OPERATES IN ADJUSTABLE MODE AS LOW AS 1.285V |
| Control Mode | — | — | — | — | — | — | VOLTAGE-MODE |
| Control Technique | — | — | — | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | — | — | — | — | — | 42 V |
| Input Voltage-Min | — | — | — | — | — | — | 4.5 V |
| Input Voltage-Nom | — | — | — | — | — | — | 12 V |
| Number of Outputs | — | — | — | — | — | — | 1 |
| Output Current-Max | — | — | — | — | — | — | 1 A |
| Output Voltage-Max | — | — | — | — | — | — | 37 V |
| Output Voltage-Min | — | — | — | — | — | — | 1.285 V |
| Switcher Configuration | — | — | — | — | — | — | BUCK |
| Switching Frequency-Max | — | — | — | — | — | — | 1000 kHz |
| Temperature Grade | — | — | — | — | — | — | AUTOMOTIVE |
| ## LM22672MR-ADJ/NOPB 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 6 alternatives for MMDT3946-7-F — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MMDT3946-7-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 MMDT3946-7-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 MMDT3946-7-F?
Known equivalents for MMDT3946-7-F include GRM31CR72D104KW03L, PBSS9110Z, ZXTN2020FTA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MMDT3946-7-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 MMDT3946-7-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.