BAS19Alternatives & Equivalent Parts
About BAS19
BAS19 is a Diode component manufactured by ON Semiconductor. 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 | BAS19Source | BAS19LT1G | TAJC226K025RNJ | MMBF4393LT1G |
|---|---|---|---|---|
| Manufacturer | ON Semiconductor | ON Semiconductor | AVX | ON Semiconductor |
| Package Type | SOT23 (3-Pin) | SOT23 (3-Pin) | Capacitor Moulded Polarised | SOT23 (3-Pin) |
| Pin Count | 3 | 3 | 2 | 3 |
| Temperature Range | -55.0°C ~ 150.0°C | -55.0°C ~ 150.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 150.0°C |
| Price | $0.0150 | $0.0120 | $0.2486 | $0.0737 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | 318BM | 318 | — | 318 |
| Factory Lead Time | 4 Weeks | — | 13 Weeks | — |
| YTEOL | 0 | 6.1 | 6.7 | 6.5 |
| Application | GENERAL PURPOSE | GENERAL PURPOSE | — | — |
| Breakdown Voltage-Min | 120 V | — | — | — |
| Configuration | SINGLE | SINGLE | — | SINGLE WITH BUILT-IN DIODE |
| Diode Element Material | SILICON | SILICON | — | — |
| Diode Type | RECTIFIER DIODE | RECTIFIER DIODE | — | — |
| Forward Voltage-Max (VF) | 1 V | 1.25 V | — | — |
| JEDEC-95 Code | TO-236AB | TO-236AB | — | TO-236 |
| JESD-30 Code | R-PDSO-G3 | R-PDSO-G3 | — | R-PDSO-G3 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Non-rep Pk Forward Current-Max | 2 A | 2.5 A | — | — |
| Number of Elements | 1 | 1 | — | 1 |
| Number of Phases | 1 | 1 | — | — |
| Output Current-Max | 0.2 A | 0.2 A | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMT | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 |
| Power Dissipation-Max | 0.35 W | 0.225 W | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified |
| Rep Pk Reverse Voltage-Max | 120 V | 120 V | — | — |
| Reverse Current-Max | 0.1 µA | — | — | — |
| Reverse Recovery Time-Max | 0.05 µs | 0.05 µs | — | — |
| Reverse Test Voltage | 100 V | — | — | — |
| Surface Mount | YES | YES | YES | YES |
| Terminal Finish | MATTE TIN | Matte Tin (Sn) - annealed | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | — | GULL WING |
| Terminal Position | DUAL | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 |
| Reach Compliance Code | — | — | Compliant | — |
| Additional Feature | — | — | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ | — |
| Capacitance | — | — | 22 µF | — |
| Capacitor Type | — | — | TANTALUM CAPACITOR | — |
| Dielectric Material | — | — | TANTALUM (DRY/SOLID) | — |
| ESR | — | — | 1400 mΩ | — |
| Height | — | — | 2.6 mm | — |
| Leakage Current | — | — | 0.0055 mA | — |
| Mounting Feature | — | — | SURFACE MOUNT | — |
| Negative Tolerance | — | — | 10% | — |
| Packing Method | — | — | TR, PLASTIC, 7 INCH | — |
| Polarity | — | — | POLARIZED | — |
| Positive Tolerance | — | — | 10% | — |
| Rated (DC) Voltage (URdc) | — | — | 25 V | — |
| Ripple Current | — | — | 112 mA | — |
| Size Code | — | — | 2312 | — |
| Tan Delta | — | — | 0.06 | — |
| Terminal Shape | — | — | J BEND | — |
| DS Breakdown Voltage-Min | — | — | — | 30 V |
| Drain-source On Resistance-Max | — | — | — | 100 Ω |
| FET Technology | — | — | — | METAL-OXIDE SEMICONDUCTOR |
| Feedback Cap-Max (Crss) | — | — | — | 3.5 pF |
| Operating Mode | — | — | — | ENHANCEMENT MODE |
| Polarity/Channel Type | — | — | — | N-CHANNEL |
| Power Dissipation-Max (Abs) | — | — | — | 0.225 W |
| Transistor Application | — | — | — | SWITCHING |
| Transistor Element Material | — | — | — | SILICON |
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 BAS19 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for BAS19 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 BAS19 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 BAS19?
Known equivalents for BAS19 include BAS19LT1G, TAJC226K025RNJ, MMBF4393LT1G. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BAS19?
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 BAS19 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.