L78S18CVAlternatives & Equivalent Parts
About L78S18CV
L78S18CV is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for L78S18CV — response within 24 hours.
Specification Comparison
| Parameter | L78S18CVSource | DMP4065S-7 | BC847C | MBRS330T3G | LM5146QRGYTQ1 | NUP4304MR6T1G |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Diodes Inc. | Nexperia | ON Semiconductor | Texas Instruments | ON Semiconductor |
| Package Type | Transistor Outline, Vertical | SOT23 (3-Pin) | Other | Diodes Moulded | Other | SOT23 (6-Pin) |
| Pin Count | 3 | 3 | 3 | 2 | 21 | 6 |
| Temperature Range | — | -55.0°C ~ 150.0°C | -65.0°C ~ 150.0°C | -65.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2642 | $0.0776 | $0.0104 | $0.1755 | $3.3177 | $0.1093 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 4 Weeks | — | — | — | — | 10 Weeks |
| YTEOL | 0 | 5 | 7 | 6 | 15 | 7.11 |
| Adjustability | FIXED | — | — | — | — | — |
| Dropout Voltage1-Nom | 2.5 V | — | — | — | — | — |
| Input Voltage Absolute-Max | 35 V | — | — | — | — | — |
| Input Voltage-Max | 30 V | — | — | — | 100 V | — |
| Input Voltage-Min | 20.5 V | — | — | — | 5.5 V | — |
| JESD-30 Code | R-XSFM-T3 | R-PDSO-G3 | R-PDSO-G3 | R-PDSO-C2 | R-PQCC-N20 | R-PDSO-G6 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 |
| Line Regulation-Max | 0.36% | — | — | — | — | — |
| Load Regulation-Max | 0.36% | — | — | — | — | — |
| Number of Functions | 1 | — | — | — | 1 | — |
| Number of Outputs | 1 | — | — | — | 1 | — |
| Operating Temperature TJ-Max | 150 °C | — | — | — | — | — |
| Output Current1-Max | 2 A | — | — | — | — | — |
| Output Voltage1-Max | 19 V | — | — | — | — | — |
| Output Voltage1-Min | 17 V | — | — | — | — | — |
| Output Voltage1-Nom | 18 V | — | — | — | — | — |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1TB | — | — | — | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG | SMALL OUTLINE |
| Packing Method | TUBE | — | — | — | — | — |
| Qualification Status | Not Qualified | — | — | Not Qualified | — | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | — | — | — | — |
| Surface Mount | NO | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | — | — | SCHOTTKY | BICMOS | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) | MATTE TIN | TIN | Matte Tin (Sn) - annealed | Matte Tin (Sn) | MATTE TIN |
| Terminal Form | THROUGH-HOLE | GULL WING | GULL WING | C BEND | NO LEAD | GULL WING |
| Terminal Pitch | 2.54 mm | — | — | — | 0.5 mm | — |
| Terminal Position | SINGLE | DUAL | DUAL | DUAL | QUAD | DUAL |
| Voltage Tolerance-Max | 6% | — | — | — | — | — |
| Configuration | — | SINGLE WITH BUILT-IN DIODE | SINGLE | SINGLE | — | COMPLEX, 4 CHANNEL |
| DS Breakdown Voltage-Min | — | 40 V | — | — | — | — |
| Drain Current-Max (ID) | — | 2.4 A | — | — | — | — |
| Drain-source On Resistance-Max | — | 0.08 Ω | — | — | — | — |
| FET Technology | — | METAL-OXIDE SEMICONDUCTOR | — | — | — | — |
| Feedback Cap-Max (Crss) | — | 40 pF | — | — | — | — |
| Number of Elements | — | 1 | 1 | 1 | — | 8 |
| Operating Mode | — | ENHANCEMENT MODE | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | 260 | 260 |
| Polarity/Channel Type | — | P-CHANNEL | NPN | — | — | — |
| Power Dissipation-Max (Abs) | — | 1.4 W | 0.25 W | — | — | — |
| Pulsed Drain Current-Max (IDM) | — | 20 A | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | 30 | 30 | 30 |
| Transistor Application | — | SWITCHING | SWITCHING | — | — | — |
| Transistor Element Material | — | SILICON | SILICON | — | — | — |
| Reach Compliance Code | — | — | Compliant | — | — | — |
| Date Of Intro | — | — | 1988-01-11 | — | — | — |
| Collector Current-Max (IC) | — | — | 0.1 A | — | — | — |
| Collector-Base Capacitance-Max | — | — | 1.5 pF | — | — | — |
| Collector-Emitter Voltage-Max | — | — | 45 V | — | — | — |
| DC Current Gain-Min (hFE) | — | — | 420 | — | — | — |
| JEDEC-95 Code | — | — | TO-236AB | DO-214AB | — | — |
| Reference Standard | — | — | IEC-60134 | — | — | IEC-61000-4-2 |
| Transition Frequency-Nom (fT) | — | — | 100 MHz | — | — | — |
| VCEsat-Max | — | — | 0.4 V | — | — | — |
| Pbfree Code | — | — | — | Yes | Yes | Yes |
| Manufacturer Package Code | — | — | — | 403AC | — | 318F-05 |
| Additional Feature | — | — | — | FREE WHEELING DIODE | — | LOW CAPACITANCE |
| Application | — | — | — | POWER | — | — |
| Breakdown Voltage-Min | — | — | — | 30 V | — | 70 V |
| Diode Element Material | — | — | — | SILICON | — | SILICON |
| Diode Type | — | — | — | RECTIFIER DIODE | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| Forward Voltage-Max (VF) | — | — | — | 0.5 V | — | 1.25 V |
| Non-rep Pk Forward Current-Max | — | — | — | 80 A | — | — |
| Number of Phases | — | — | — | 1 | — | — |
| Output Current-Max | — | — | — | 4 A | 20 A | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 30 V | — | 70 V |
| Reverse Current-Max | — | — | — | 2000 µA | — | 2.5 µA |
| Reverse Test Voltage | — | — | — | 30 V | — | 70 V |
| Analog IC - Other Type | — | — | — | — | SWITCHING CONTROLLER | — |
| Control Mode | — | — | — | — | VOLTAGE-MODE | — |
| Control Technique | — | — | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Nom | — | — | — | — | 48 V | — |
| Output Voltage-Max | — | — | — | — | 60 V | — |
| Output Voltage-Min | — | — | — | — | 0.8 V | — |
| Screening Level | — | — | — | — | AEC-Q100 | — |
| Switcher Configuration | — | — | — | — | BUCK | — |
| Switching Frequency-Max | — | — | — | — | 1000 kHz | — |
| Temperature Grade | — | — | — | — | AUTOMOTIVE | — |
| Polarity | — | — | — | — | — | UNIDIRECTIONAL |
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 5 alternatives for L78S18CV — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for L78S18CV 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 L78S18CV 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for L78S18CV. Get expert recommendations within 24 hours.
FAQ
What is equivalent to L78S18CV?
Known equivalents for L78S18CV include DMP4065S-7, BC847C, MBRS330T3G. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L78S18CV?
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 L78S18CV 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.