1SMB5944BT3GAlternatives & Equivalent Parts
About 1SMB5944BT3G
1SMB5944BT3G is a Zener Diode component manufactured by ON Semiconductor. It comes in a Diodes Moulded 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 | 1SMB5944BT3GSource | ADUM3153BRSZ | SI8651ED-B-IS | TXS0102DQER | ATSAML10D15A-YU |
|---|---|---|---|---|---|
| Manufacturer | ON Semiconductor | Analog Devices | Silicon Labs | Texas Instruments | Microchip |
| Package Type | Diodes Moulded | Small Outline Packages | Small Outline Packages | Small Outline No-lead | Small Outline Packages |
| Pin Count | 2 | 20 | 16 | 8 | 24 |
| Temperature Range | -65.0°C ~ 150.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.0591 | $5.4872 | $2.8990 | $0.1186 | $0.6040 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | No | — | Yes | — |
| Manufacturer Package Code | 403A-03 | RS-20 | — | — | SSOP-24 |
| Factory Lead Time | 6 Weeks | — | — | — | 7 Weeks |
| YTEOL | 6.65 | 10 | — | 15 | 18 |
| Configuration | SINGLE | — | — | — | — |
| Diode Element Material | SILICON | — | — | — | — |
| Diode Type | ZENER DIODE | — | — | — | — |
| Dynamic Impedance-Max | 100 Ω | — | — | — | — |
| JESD-30 Code | R-PDSO-L2 | R-PDSO-G20 | — | R-PDSO-N8 | R-PDSO-G24 |
| JESD-609 Code | e3 | e3 | — | e4 | e3 |
| Number of Elements | 1 | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, SHRINK PITCH | — | SMALL OUTLINE, VERY THIN PROFILE | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | — |
| Polarity | UNIDIRECTIONAL | — | — | — | — |
| Power Dissipation-Max | 3 W | — | — | — | — |
| Qualification Status | Not Qualified | — | — | Not Qualified | — |
| Reference Voltage-Nom | 62 V | — | — | — | — |
| Surface Mount | YES | YES | — | YES | YES |
| Technology | ZENER | — | — | — | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | — | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Matte Tin (Sn) |
| Terminal Form | L BEND | GULL WING | — | NO LEAD | GULL WING |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 | — |
| Voltage Tol-Max | 5% | — | — | — | — |
| Working Test Current | 6 mA | — | — | — | — |
| Analog IC - Other Type | — | ANALOG CIRCUIT | — | — | — |
| Number of Functions | — | 1 | — | 1 | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | 3 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 3.3 V | — | — | — |
| Temperature Grade | — | AUTOMOTIVE | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Pitch | — | 0.65 mm | — | 0.35 mm | 0.65 mm |
| Delay-Max | — | — | — | 4.4 ns | — |
| Interface IC Type | — | — | — | VOLTAGE LEVEL TRANSLATOR | — |
| Number of Bits | — | — | — | 2 | — |
| Output Characteristics | — | — | — | OPEN-DRAIN | — |
| Package Equivalence Code | — | — | — | SOLCC8,.04,14 | SSOP24,.3 |
| Supply Current-Max | — | — | — | 0.0144 mA | 0.247 mA |
| Supply Voltage-Max | — | — | — | 3.6 V | 3.63 V |
| Supply Voltage-Min | — | — | — | 1.45 V | 1.62 V |
| Supply Voltage-Nom | — | — | — | 1.8 V | 3.3 V |
| Supply Voltage1-Max | — | — | — | 5.5 V | — |
| Supply Voltage1-Min | — | — | — | 2.3 V | — |
| Supply Voltage1-Nom | — | — | — | 2.5 V | — |
| Date Of Intro | — | — | — | — | 2018-06-19 |
| Has ADC | — | — | — | — | YES |
| Bit Size | — | — | — | — | 32 |
| Boundary Scan | — | — | — | — | NO |
| CPU Family | — | — | — | — | CORTEX-M23 |
| Clock Frequency-Max | — | — | — | — | 32 MHz |
| DAC Channels | — | — | — | — | YES |
| DMA Channels | — | — | — | — | YES |
| Format | — | — | — | — | FIXED POINT |
| Integrated Cache | — | — | — | — | YES |
| Low Power Mode | — | — | — | — | YES |
| Number of DMA Channels | — | — | — | — | 8 |
| Number of External Interrupts | — | — | — | — | 8 |
| Number of I/O Lines | — | — | — | — | 17 |
| Number of Serial I/Os | — | — | — | — | 3 |
| Number of Timers | — | — | — | — | 3 |
| On Chip Data RAM Width | — | — | — | — | 8 |
| On Chip Program ROM Width | — | — | — | — | 8 |
| PWM Channels | — | — | — | — | YES |
| RAM (bytes) | — | — | — | — | 8192 |
| RAM (words) | — | — | — | — | 8192 |
| ROM (words) | — | — | — | — | 32768 |
| ROM Programmability | — | — | — | — | FLASH |
| Screening Level | — | — | — | — | TS 16949 |
| Speed | — | — | — | — | 32 MHz |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | MICROCONTROLLER, RISC |
| ## ATSAML10D15A-YU 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 4 alternatives for 1SMB5944BT3G — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 1SMB5944BT3G 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 1SMB5944BT3G 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 1SMB5944BT3G?
Known equivalents for 1SMB5944BT3G include ADUM3153BRSZ, SI8651ED-B-IS, TXS0102DQER. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1SMB5944BT3G?
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 1SMB5944BT3G 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.