MCP73837-FCI/UNAlternatives & Equivalent Parts
About MCP73837-FCI/UN
MCP73837-FCI/UN is a Integrated Circuit component manufactured by Microchip. 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 | MCP73837-FCI/UNSource | MCP73837T-FCI/UN | SS14-E3/61T | SMAJ26A-TR | LM5163QDDARQ1 | MCP73828-4.2VUA | 34772-0140 | MCP73838-FCI/UN | MCP73837-NVI/UN | MCP73833T-FCI/UN | MCP73834T-FCI/UN | MCP73838-FJI/UN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Vishay | STMicroelectronics | Texas Instruments | Microchip | Molex | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Diodes Moulded | Other | Small Outline Packages | Small Outline Packages | Other | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 10 | 10 | 2 | 2 | 9 | 8 | 18 | 10 | 10 | 10 | 10 | 10 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -65.0°C ~ 150.0°C | -55.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -20.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.3100 | $0.7058 | $0.0479 | $0.0921 | $0.7193 | $0.9702 | $3.2833 | $0.9880 | $0.9850 | $0.6840 | $0.7820 | $0.9880 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Pbfree Code | Yes | Yes | — | — | Yes | Yes | — | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | MSOP-10 | MSOP-10 | — | — | — | MSOP-8 | — | MSOP-10 | MSOP-10 | MSOP-10 | MSOP-10 | MSOP-10 |
| Factory Lead Time | 6 Weeks | 6 Weeks | — | 21 Weeks | — | 12 Weeks | — | 6 Weeks | 7 Weeks | 6 Weeks | 6 Weeks | 7 Weeks |
| YTEOL | 9 | 9 | 6 | 6 | 15 | 8 | — | 9 | 9 | 9 | 9 | 9 |
| Adjustable Threshold | YES | YES | — | — | — | YES | — | YES | YES | YES | YES | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER | — | — | SWITCHING REGULATOR | LINEAR BATTERY CHARGER | — | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER |
| JESD-30 Code | S-PDSO-G10 | S-PDSO-G10 | R-PDSO-C2 | R-PDSO-C2 | R-PDSO-G8 | S-PDSO-G8 | — | S-PDSO-G10 | S-PDSO-G10 | S-PDSO-G10 | S-PDSO-G10 | S-PDSO-G10 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e4 | e3 | — | e3 | e3 | e3 | e3 | e3 |
| Number of Channels | 1 | 1 | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 |
| Number of Functions | 1 | 1 | — | — | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 | TSSOP10,.19,20 | — | — | — | TSSOP8,.19 | — | TSSOP10,.19,20 | TSSOP10,.19,20 | TSSOP10,.19,20 | TSSOP10,.19,20 | TSSOP10,.19,20 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | — | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | — | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| Screening Level | TS 16949 | TS 16949 | — | — | AEC-Q100 | — | — | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 |
| Supply Current-Max (Isup) | 3 mA | 3 mA | — | — | — | 0.56 mA | — | 3 mA | 3 mA | 3 mA | 3 mA | 3 mA |
| Supply Voltage-Max (Vsup) | 6 V | 6 V | — | — | — | 5.5 V | — | 6 V | 6 V | 6 V | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V | — | — | — | 4.5 V | — | 4.5 V | 4.65 V | 3.75 V | 3.75 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5.2 V | 5.2 V | — | — | — | 5.2 V | — | 5.2 V | 5.35 V | 5.2 V | 5.2 V | 5.2 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | — | YES | YES | YES | YES | YES |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — | AUTOMOTIVE | OTHER | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Matte Tin (Sn) | — | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | C BEND | C BEND | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | — | — | 1.27 mm | 0.65 mm | — | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL | DUAL | DUAL |
| Threshold Voltage-Nom | +4.2V | +4.2V | — | — | — | +4.2V | — | +4.2V | +4.35V | — | — | +4.2V |
| ## MCP73837-FCI/UN Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — |
| Additional Feature | — | — | FREE WHEELING DIODE, LOW POWER LOSS | MOS COMPATIBLE | — | — | — | — | — | — | — | — |
| Application | — | — | GENERAL PURPOSE | — | — | — | — | — | — | — | — | — |
| Configuration | — | — | SINGLE | SINGLE, 1 CHANNEL | — | — | — | — | — | — | — | — |
| Diode Element Material | — | — | SILICON | SILICON | — | — | — | — | — | — | — | — |
| Diode Type | — | — | RECTIFIER DIODE | TRANS VOLTAGE SUPPRESSOR DIODE | — | — | — | — | — | — | — | — |
| Forward Voltage-Max (VF) | — | — | 0.5 V | — | — | — | — | — | — | — | — | — |
| JEDEC-95 Code | — | — | DO-214AC | DO-214AC | — | — | — | — | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | — | 40 A | — | — | — | — | — | — | — | — | — |
| Number of Elements | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
| Number of Phases | — | — | 1 | — | — | — | — | — | — | — | — | — |
| Output Current-Max | — | — | 1 A | — | 0.5 A | — | — | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | 40 V | 26 V | — | — | — | — | — | — | — | — |
| Technology | — | — | SCHOTTKY | AVALANCHE | BICMOS | — | — | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | 30 | 40 | — | — | — | — | — | 40 |
| Reach Compliance Code | — | — | — | Not Compliant | — | — | — | — | — | — | — | — |
| Breakdown Voltage-Min | — | — | — | 28.9 V | — | — | — | — | — | — | — | — |
| Breakdown Voltage-Nom | — | — | — | 30.4 V | — | — | — | — | — | — | — | — |
| Clamping Voltage-Max | — | — | — | 42.1 V | — | — | — | — | — | — | — | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 400 W | — | — | — | — | — | — | — | — |
| Polarity | — | — | — | UNIDIRECTIONAL | — | — | — | — | — | — | — | — |
| Power Dissipation-Max | — | — | — | 3.3 W | — | — | — | — | — | — | — | — |
| Reference Standard | — | — | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | — | — | — | — | — | — | — | — |
| Reverse Current-Max | — | — | — | 2 µA | — | — | — | — | — | — | — | — |
| Reverse Test Voltage | — | — | — | 26 V | — | — | — | — | — | — | — | — |
| ## SMAJ26A-TR Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — |
| Date Of Intro | — | — | — | — | 2019-06-17 | — | — | — | — | — | — | — |
| Control Mode | — | — | — | — | VOLTAGE-MODE | — | — | — | — | — | — | — |
| Control Technique | — | — | — | — | CONSTANT ON TIME | — | — | — | — | — | — | — |
| Input Voltage-Max | — | — | — | — | 100 V | — | — | — | — | — | — | — |
| Input Voltage-Min | — | — | — | — | 6 V | — | — | — | — | — | — | — |
| Input Voltage-Nom | — | — | — | — | 24 V | — | — | — | — | — | — | — |
| Number of Outputs | — | — | — | — | 1 | — | — | — | — | — | — | — |
| Output Voltage-Max | — | — | — | — | 90 V | — | — | — | — | — | — | — |
| Output Voltage-Min | — | — | — | — | 1.2 V | — | — | — | — | — | — | — |
| Switcher Configuration | — | — | — | — | BUCK | — | — | — | — | — | — | — |
| Switching Frequency-Max | — | — | — | — | 1000 kHz | — | — | — | — | — | — | — |
| ## LM5163QDDARQ1 Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — | — |
| ## MCP73828-4.2VUA 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 11 alternatives for MCP73837-FCI/UN — response within 24 hours.
Quick Links
Microchip Technology Inc Adjustable, 1 Channel, +4.2V, PDSO10
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Why Look for Alternatives?
Finding alternatives for MCP73837-FCI/UN 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 MCP73837-FCI/UN 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 MCP73837-FCI/UN?
Known equivalents for MCP73837-FCI/UN include MCP73837T-FCI/UN, SS14-E3/61T, SMAJ26A-TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP73837-FCI/UN?
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 MCP73837-FCI/UN 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.