2SK2145-BL(TE85L,FAlternatives & Equivalent Parts
About 2SK2145-BL(TE85L,F
2SK2145-BL(TE85L,F is a Transistor component manufactured by Toshiba. It comes in a SOT23 (5-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 | 2SK2145-BL(TE85L,FSource | FMB3904 | FMB3906 | TPS54336ADDA |
|---|---|---|---|---|
| Manufacturer | Toshiba | ON Semiconductor | ON Semiconductor | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (6-Pin) | SOT23 (6-Pin) | Small Outline Packages |
| Pin Count | 5 | 6 | 6 | 9 |
| Temperature Range | ~ 125.0°C | ~ 150.0°C | ~ 150.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2510 | $0.0980 | $0.1280 | $1.3800 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| Additional Feature | LOW NOISE | — | — | OUTPUT VOLTAGE IS ADJUSTABLE FROM 0.8V TO 24V |
| Configuration | COMMON SOURCE, 2 ELEMENTS | SEPARATE, 2 ELEMENTS | SEPARATE, 2 ELEMENTS | — |
| Drain Current-Max (ID) | 0.014 A | — | — | — |
| FET Technology | JUNCTION | — | — | — |
| Feedback Cap-Max (Crss) | 3 pF | — | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G6 | R-PDSO-G6 | R-PDSO-G8 |
| Number of Elements | 2 | 2 | 2 | — |
| Operating Mode | DEPLETION MODE | — | — | — |
| 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, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | 260 | 260 | 260 |
| Polarity/Channel Type | N-CHANNEL | NPN | PNP | — |
| Power Dissipation Ambient-Max | 0.3 W | — | — | — |
| Power Dissipation-Max (Abs) | 0.3 W | 0.7 W | 0.7 W | — |
| Surface Mount | YES | YES | YES | YES |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 | 30 | 30 |
| Transistor Application | AMPLIFIER | SWITCHING | SWITCHING | — |
| Transistor Element Material | SILICON | SILICON | SILICON | — |
| Manufacturer Package Code | — | 419BL | 419BL | — |
| Factory Lead Time | — | 10 Weeks | 8 Weeks | — |
| YTEOL | — | 7 | 7 | 15 |
| Collector Current-Max (IC) | — | 0.2 A | 0.2 A | — |
| Collector-Emitter Voltage-Max | — | 40 V | 40 V | — |
| DC Current Gain-Min (hFE) | — | 30 | 30 | — |
| JESD-609 Code | — | e3 | e3 | e4 |
| Qualification Status | — | Not Qualified | Not Qualified | — |
| Terminal Finish | — | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Transition Frequency-Nom (fT) | — | 250 MHz | 200 MHz | — |
| Turn-off Time-Max (toff) | — | 175 ns | — | — |
| Turn-on Time-Max (ton) | — | 38 ns | — | — |
| Analog IC - Other Type | — | — | — | SWITCHING REGULATOR |
| Control Mode | — | — | — | CURRENT-MODE |
| Control Technique | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | — | — | 28 V |
| Input Voltage-Min | — | — | — | 4.5 V |
| Input Voltage-Nom | — | — | — | 12 V |
| Number of Functions | — | — | — | 1 |
| Number of Outputs | — | — | — | 1 |
| Output Current-Max | — | — | — | 3 A |
| Output Voltage-Max | — | — | — | 24 V |
| Output Voltage-Min | — | — | — | 0.8 V |
| Switcher Configuration | — | — | — | BUCK |
| Switching Frequency-Max | — | — | — | 340 kHz |
| Temperature Grade | — | — | — | INDUSTRIAL |
| Terminal Pitch | — | — | — | 1.27 mm |
| ## TPS54336ADDA 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 3 alternatives for 2SK2145-BL(TE85L,F — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 2SK2145-BL(TE85L,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 2SK2145-BL(TE85L,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 2SK2145-BL(TE85L,F?
Known equivalents for 2SK2145-BL(TE85L,F include FMB3904, FMB3906, TPS54336ADDA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 2SK2145-BL(TE85L,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 2SK2145-BL(TE85L,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.