LT1945IMS#PBFAlternatives & Equivalent Parts
About LT1945IMS#PBF
LT1945IMS#PBF is a Integrated Circuit component manufactured by Analog Devices. It comes in a Small Outline Packages 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 | LT1945IMS#PBFSource | F981C475MMA | RC0402FR-0747KL |
|---|---|---|---|
| Manufacturer | Analog Devices | AVX | YAGEO (PHYCOMP) |
| Package Type | Small Outline Packages | Capacitor Moulded Polarised | Resistor Chip |
| Pin Count | 10 | 2 | 2 |
| Temperature Range | -40.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 155.0°C |
| Price | $3.2900 | $0.1538 | $0.0010 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||
| Pbfree Code | No | — | Yes |
| Manufacturer Package Code | 05-08-1661 | — | — |
| YTEOL | 10 | 0 | 13 |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER | — | — |
| Control Mode | VOLTAGE-MODE | — | — |
| Control Technique | CONSTANT OFF TIME | — | — |
| Input Voltage-Max | 12 V | — | — |
| Input Voltage-Min | 1.2 V | — | — |
| Input Voltage-Nom | 1.2 V | — | — |
| JESD-30 Code | S-PDSO-G10 | — | — |
| JESD-609 Code | e3 | e4 | e3 |
| Number of Functions | 1 | — | — |
| Output Current-Max | 0.4 A | — | — |
| Output Voltage-Max | 34 V | — | — |
| Package Body Material | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | TSSOP10,.19,20 | — | — |
| Package Shape | RECTANGULAR | — | — |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMT | SMT |
| Peak Reflow Temperature (Cel) | 260 | — | — |
| Qualification Status | Not Qualified | — | — |
| Surface Mount | YES | YES | YES |
| Switcher Configuration | BOOST | — | — |
| Technology | BIPOLAR | — | METAL GLAZE/THICK FILM |
| Temperature Grade | AUTOMOTIVE | — | — |
| Terminal Finish | Matte Tin (Sn) | Gold (Au) | MATTE TIN OVER NICKEL |
| Terminal Form | GULL WING | — | — |
| Terminal Pitch | 0.5 mm | — | — |
| Terminal Position | DUAL | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — |
| ## LT1945IMS#PBF Alternates Showing results | Image | — | — |
| Reach Compliance Code | — | Compliant | Compliant |
| Additional Feature | — | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ | LASER TRIMMABLE |
| Capacitance | — | 4.7 µF | — |
| Capacitor Type | — | TANTALUM CAPACITOR | — |
| Dielectric Material | — | TANTALUM (DRY/SOLID) | — |
| ESR | — | 12000 mΩ | — |
| Height | — | 0.8 mm | — |
| Leakage Current | — | 0.0008 mA | — |
| Mounting Feature | — | SURFACE MOUNT | SURFACE MOUNT |
| Negative Tolerance | — | 20% | — |
| Packing Method | — | TR | TR, PAPER, 7 INCH |
| Polarity | — | POLARIZED | — |
| Positive Tolerance | — | 20% | — |
| Rated (DC) Voltage (URdc) | — | 16 V | — |
| Ripple Current | — | 18 mA | — |
| Size Code | — | 0603 | 0402 |
| Tan Delta | — | 0.12 | — |
| Terminal Shape | — | ONE SURFACE | WRAPAROUND |
| Factory Lead Time | — | — | 14 Weeks |
| Construction | — | — | Rectangular |
| Package Height | — | — | 0.35 mm |
| Package Length | — | — | 1 mm |
| Package Width | — | — | 0.5 mm |
| Rated Power Dissipation (P) | — | — | 0.0625 W |
| Rated Temperature | — | — | 70 °C |
| Resistance | — | — | 47000 Ω |
| Resistor Type | — | — | FIXED RESISTOR |
| Temperature Coefficient | — | — | 100 ppm/°C |
| Tolerance | — | — | 1% |
| Working Voltage | — | — | 50 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 2 alternatives for LT1945IMS#PBF — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LT1945IMS#PBF 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 LT1945IMS#PBF 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 LT1945IMS#PBF?
Known equivalents for LT1945IMS#PBF include F981C475MMA, RC0402FR-0747KL. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LT1945IMS#PBF?
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 LT1945IMS#PBF 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.