BAT46Alternatives & Equivalent Parts
About BAT46
BAT46 is a Diode component manufactured by STMicroelectronics. It comes in a Diodes, Axial Diameter Horizontal Mounting 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 | BAT46Source | 1N5817-T | VIPER26LDTR | STTH108A | MIC5239-5.0YMM | SI1050X-T1-GE3 |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Diodes Inc. | STMicroelectronics | STMicroelectronics | Microchip | Vishay |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Diodes, Axial Diameter Horizontal Mounting | Small Outline Packages | Diodes Moulded | Small Outline Packages | SO Transistor Flat Lead |
| Pin Count | 2 | 2 | 16 | 2 | 8 | 6 |
| Temperature Range | -65.0°C ~ 125.0°C | -65.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | ~ 175.0°C | — | ~ 150.0°C |
| Price | $0.0253 | $0.0248 | $0.4884 | $0.1330 | $1.5200 | $0.3470 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | END OF LIFE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||
| YTEOL | 1 | 6 | 7 | 7 | 9 | 0 |
| Application | GENERAL PURPOSE | EFFICIENCY | — | HIGH VOLTAGE FAST SOFT RECOVERY | — | — |
| Breakdown Voltage-Min | 100 V | — | — | — | — | — |
| Case Connection | ISOLATED | ISOLATED | — | — | — | — |
| Configuration | SINGLE | SINGLE | — | SINGLE | — | SINGLE WITH BUILT-IN DIODE |
| Diode Element Material | SILICON | SILICON | — | SILICON | — | — |
| Diode Type | RECTIFIER DIODE | RECTIFIER DIODE | — | RECTIFIER DIODE | — | — |
| Forward Voltage-Max (VF) | 1 V | 0.75 V | — | 1.65 V | — | — |
| JEDEC-95 Code | DO-35 | DO-41 | — | DO-214AC | — | — |
| JESD-30 Code | O-LALF-W2 | O-PALF-W2 | R-PDSO-G16 | R-PDSO-C2 | — | R-PDSO-F6 |
| JESD-609 Code | e3 | e3 | e4 | e3 | — | e3 |
| Non-rep Pk Forward Current-Max | 0.75 A | 25 A | — | 20 A | — | — |
| Number of Elements | 1 | 1 | — | 1 | — | 1 |
| Number of Phases | 1 | 1 | — | 1 | — | — |
| Output Current-Max | 0.15 A | 1 A | 0.74 A | 1 A | — | — |
| Package Body Material | GLASS | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Shape | ROUND | ROUND | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | LONG FORM | LONG FORM | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — | 260 |
| Power Dissipation-Max | 0.15 W | — | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Rep Pk Reverse Voltage-Max | 100 V | 20 V | — | 800 V | — | — |
| Reverse Current-Max | 5 µA | 1000 µA | — | 5 µA | — | — |
| Reverse Test Voltage | 75 V | 20 V | — | 800 V | — | — |
| Surface Mount | NO | NO | YES | YES | — | YES |
| Technology | SCHOTTKY | SCHOTTKY | — | — | — | — |
| Terminal Finish | Matte Tin (Sn) | Bright Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | — | MATTE TIN |
| Terminal Form | WIRE | WIRE | GULL WING | C BEND | — | FLAT |
| Terminal Position | AXIAL | AXIAL | DUAL | DUAL | — | DUAL |
| ## BAT46 Alternates Showing results | Image | — | — | — | — | — |
| Pbfree Code | — | No | — | — | — | — |
| Factory Lead Time | — | 12 Weeks | 18 Weeks | 15 Weeks | 7 Weeks | — |
| Additional Feature | — | LOW POWER LOSS, FREE WHEELING DIODE | — | FREE WHEELING DIODE, HIGH RELIABILITY, SNUBBER DIODE | — | — |
| Analog IC - Other Type | — | — | SWITCHING CONTROLLER | — | — | — |
| Control Mode | — | — | CURRENT-MODE | — | — | — |
| Control Technique | — | — | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | — | — | 23.5 V | — | — | — |
| Input Voltage-Min | — | — | 11.5 V | — | — | — |
| Input Voltage-Nom | — | — | 14 V | — | — | — |
| Number of Functions | — | — | 1 | — | — | — |
| Package Equivalence Code | — | — | SOP16,.25 | — | — | — |
| Supply Current-Max (Isup) | — | — | 2 mA | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 23.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 11.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 14 V | — | — | — |
| Switcher Configuration | — | — | BUCK | — | — | — |
| Switching Frequency-Max | — | — | 66 kHz | — | — | — |
| Terminal Pitch | — | — | 1.27 mm | — | — | — |
| ## VIPER26LDTR Alternates Showing results | — | — | Image | — | — | — |
| Reverse Recovery Time-Max | — | — | — | 0.075 µs | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 10 | — | 30 |
| Manufacturer Package Code | — | — | — | — | MSOP-8 | — |
| Regulator Type | — | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| ## MIC5239-5.0YMM Alternates Showing results | — | — | — | — | Image | — |
| DS Breakdown Voltage-Min | — | — | — | — | — | 8 V |
| Drain Current-Max (ID) | — | — | — | — | — | 1.34 A |
| Drain-source On Resistance-Max | — | — | — | — | — | 0.086 Ω |
| FET Technology | — | — | — | — | — | METAL-OXIDE SEMICONDUCTOR |
| Operating Mode | — | — | — | — | — | ENHANCEMENT MODE |
| Polarity/Channel Type | — | — | — | — | — | N-CHANNEL |
| Power Dissipation-Max (Abs) | — | — | — | — | — | 0.236 W |
| Pulsed Drain Current-Max (IDM) | — | — | — | — | — | 6 A |
| Transistor Application | — | — | — | — | — | SWITCHING |
| Transistor Element Material | — | — | — | — | — | SILICON |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for BAT46 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for BAT46 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 BAT46 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 BAT46?
Known equivalents for BAT46 include 1N5817-T, VIPER26LDTR, STTH108A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BAT46?
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 BAT46 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.