L4976DAlternatives & Equivalent Parts
About L4976D
L4976D is a Integrated Circuit component manufactured by STMicroelectronics. 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 | L4976DSource | ACT45B-220-2P-TL003 | NUP2105LT1G | SMAZ20-13-F |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | TDK | ON Semiconductor | Diodes Inc. |
| Package Type | Small Outline Packages | Other | SOT23 (3-Pin) | Diodes Moulded |
| Pin Count | 16 | 4 | 3 | 2 |
| Temperature Range | — | -40.0°C ~ 150.0°C | -55.0°C ~ 150.0°C | -65.0°C ~ 150.0°C |
| Price | $2.2500 | $0.7094 | $0.0590 | $0.0700 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 10 Weeks | 20 Weeks | — | 12 Weeks |
| YTEOL | 7.1 | 6.59 | 6.38 | 7 |
| Analog IC - Other Type | SWITCHING REGULATOR | — | — | — |
| Control Mode | VOLTAGE-MODE | — | — | — |
| Control Technique | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | 55 V | — | — | — |
| Input Voltage-Min | 8 V | — | — | — |
| Input Voltage-Nom | 24 V | — | — | — |
| JESD-30 Code | R-PDSO-G16 | — | R-PDSO-G3 | R-PDSO-C2 |
| JESD-609 Code | e4 | — | e3 | e3 |
| Number of Functions | 1 | 2 | — | — |
| Output Current-Max | 2.5 A | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.4 | — | — | — |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified |
| Surface Mount | YES | — | YES | YES |
| Switcher Configuration | BUCK | — | — | — |
| Switching Frequency-Max | 300 kHz | — | — | — |
| Technology | BCDMOS | — | AVALANCHE | ZENER |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) - annealed | MATTE TIN |
| Terminal Form | GULL WING | — | GULL WING | C BEND |
| Terminal Pitch | 1.27 mm | — | — | — |
| Terminal Position | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 |
| Pbfree Code | — | Yes | Yes | No |
| Additional Feature | — | AEC-Q200; IMPEDANCE AT 10 MHZ | LOW CAPACITANCE | HIGH SURGE CAPABILITY |
| DC Resistance-Max | — | 0.5 Ω | — | — |
| Filter Type | — | FERRITE CHIP | — | — |
| Height | — | 2.8 mm | — | — |
| Inductance | — | 22 µH | — | — |
| Insulation Resistance-Min | — | 10 MΩ | — | — |
| Mounting Type | — | SURFACE MOUNT | — | — |
| Output Impedance | — | 1100 OHM Ω | — | — |
| Packing Method | — | TR, 13 INCH | — | — |
| Rated Current | — | 0.25 A | — | — |
| Rated Voltage | — | 50 V | — | — |
| Manufacturer Package Code | — | — | 318 | SMA |
| Breakdown Voltage-Max | — | — | 32 V | — |
| Breakdown Voltage-Min | — | — | 26.2 V | — |
| Breakdown Voltage-Nom | — | — | 29.1 V | — |
| Clamping Voltage-Max | — | — | 44 V | — |
| Configuration | — | — | COMMON ANODE, 2 ELEMENTS, 2 CHANNEL | SINGLE |
| Diode Element Material | — | — | SILICON | SILICON |
| Diode Type | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | ZENER DIODE |
| JEDEC-95 Code | — | — | TO-236AB | — |
| Non-rep Peak Rev Power Dis-Max | — | — | 350 W | — |
| Number of Elements | — | — | 2 | 1 |
| Polarity | — | — | BIDIRECTIONAL | UNIDIRECTIONAL |
| Reference Standard | — | — | IEC-61000-4-2, 4-4, 4-5 | UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | — | — | 24 V | — |
| Reverse Current-Max | — | — | 0.1 µA | 0.5 µA |
| Reverse Test Voltage | — | — | 24 V | 15.2 V |
| Dynamic Impedance-Max | — | — | — | 15 Ω |
| Forward Voltage-Max (VF) | — | — | — | 1.2 V |
| Knee Impedance-Max | — | — | — | 180 Ω |
| Power Dissipation-Max | — | — | — | 1 W |
| Reference Voltage-Nom | — | — | — | 20 V |
| Voltage Tol-Max | — | — | — | 5% |
| Working Test Current | — | — | — | 25 mA |
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 L4976D — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for L4976D 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 L4976D 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 L4976D?
Known equivalents for L4976D include ACT45B-220-2P-TL003, NUP2105LT1G, SMAZ20-13-F. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4976D?
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 L4976D 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.