MMST3904T146Alternatives & Equivalent Parts
About MMST3904T146
MMST3904T146 is a Transistor BJT NPN component manufactured by ROHM 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 | MMST3904T146Source | RSR030N06TL | ZXTP19100CGTA | CSD17579Q3A | 87224-6 |
|---|---|---|---|---|---|
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | Diodes Inc. | Texas Instruments | TE Connectivity |
| Package Type | Other | SOT23 (3-Pin) | SOT223 (3-Pin) | Other | Header, Vertical |
| Pin Count | 3 | 3 | 4 | 8 | 6 |
| Temperature Range | ~ 150.0°C | ~ 150.0°C | ~ 150.0°C | -55.0°C ~ 150.0°C | — |
| Price | $0.0228 | $0.1280 | $0.3133 | $0.1914 | $1.2684 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | END OF LIFE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | No | Yes | — |
| YTEOL | 3 | 2 | 4 | 15 | 9.1 |
| Collector Current-Max (IC) | 0.2 A | — | 2 A | — | — |
| Collector-Base Capacitance-Max | 4 pF | — | — | — | — |
| Collector-Emitter Voltage-Max | 40 V | — | 100 V | — | — |
| Configuration | SINGLE | SINGLE WITH BUILT-IN DIODE | SINGLE | SINGLE WITH BUILT-IN DIODE | — |
| DC Current Gain-Min (hFE) | 30 | — | 20 | — | — |
| JESD-30 Code | R-PDSO-G3 | R-PDSO-G3 | R-PDSO-G4 | R-PDSO-F5 | — |
| JESD-609 Code | e1 | e1 | e3 | e3 | — |
| Number of Elements | 1 | 1 | 1 | 1 | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — |
| Polarity/Channel Type | NPN | N-CHANNEL | PNP | N-CHANNEL | — |
| Power Dissipation-Max (Abs) | 0.35 W | 1 W | 10.2 W | 29 W | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — |
| Surface Mount | YES | YES | YES | YES | — |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) | Tin/Silver/Copper (Sn/Ag/Cu) | MATTE TIN | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | FLAT | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 10 | — | 30 | — |
| Transistor Application | SWITCHING | SWITCHING | SWITCHING | SWITCHING | — |
| Transistor Element Material | SILICON | SILICON | SILICON | SILICON | — |
| Transition Frequency-Nom (fT) | 300 MHz | — | 142 MHz | — | — |
| Turn-off Time-Max (toff) | 250 ns | — | — | — | — |
| Turn-on Time-Max (ton) | 70 ns | — | — | — | — |
| VCEsat-Max | 0.3 V | — | — | — | — |
| DS Breakdown Voltage-Min | — | 60 V | — | 30 V | — |
| Drain Current-Max (ID) | — | 3 A | — | 20 A | — |
| Drain-source On Resistance-Max | — | 0.105 Ω | — | 0.0142 Ω | — |
| FET Technology | — | METAL-OXIDE SEMICONDUCTOR | — | METAL-OXIDE SEMICONDUCTOR | — |
| Operating Mode | — | ENHANCEMENT MODE | — | ENHANCEMENT MODE | — |
| Factory Lead Time | — | — | 12 Weeks | — | 24 Weeks |
| Case Connection | — | — | COLLECTOR | DRAIN | — |
| Additional Feature | — | — | — | AVALANCHE RATED | — |
| Avalanche Energy Rating (Eas) | — | — | — | 14 mJ | — |
| Feedback Cap-Max (Crss) | — | — | — | 49 pF | — |
| Pulsed Drain Current-Max (IDM) | — | — | — | 106 A | — |
| Connector Type | — | — | — | — | BOARD CONNECTOR |
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 4 alternatives for MMST3904T146 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MMST3904T146 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 MMST3904T146 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 MMST3904T146?
Known equivalents for MMST3904T146 include RSR030N06TL, ZXTP19100CGTA, CSD17579Q3A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MMST3904T146?
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 MMST3904T146 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.