TSZ121ILTAlternatives & Equivalent Parts
About TSZ121ILT
TSZ121ILT is a Hardware component manufactured by STMicroelectronics. It comes in a SOT23 (5-Pin) 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 | TSZ121ILTSource | BAT54CLT1G | SI2315BDS-T1-E3 | LDK130M-R | TSZ121ICT | TSZ121IYLT | TSZ121IYCT |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | ON Semiconductor | Vishay | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | SOT23 (5-Pin) | SOT23 (3-Pin) | SOT23 (3-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 3 | 3 | 5 | 5 | 5 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 150.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.4145 | $0.0101 | $0.1800 | $0.1261 | $0.4032 | $0.4633 | $0.3700 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Factory Lead Time | 16 Weeks | — | — | 16 Weeks | 16 Weeks | 18 Weeks | 14 Weeks |
| YTEOL | 8 | 6 | 0 | 8 | 8 | 8 | 8 |
| Amplifier Type | OPERATIONAL AMPLIFIER | — | — | — | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | — | — | — | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0003 µA | — | — | — | 0.0003 µA | 0.0003 µA | 0.0003 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA | — | — | — | 0.0002 µA | 0.0002 µA | 0.0002 µA |
| Common-mode Reject Ratio-Min | 115 dB | — | — | — | 115 dB | 115 dB | 115 dB |
| Common-mode Reject Ratio-Nom | 128 dB | — | — | — | 128 dB | 128 dB | 128 dB |
| Frequency Compensation | YES | — | — | — | YES | YES | YES |
| Input Offset Voltage-Max | 8 µV | — | — | — | 8 µV | 8 µV | 8 µV |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G3 | R-PDSO-G3 | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e4 | e3 | e3 | e3 | e4 | — | — |
| Low-Bias | YES | — | — | — | YES | YES | YES |
| Low-Offset | YES | — | — | — | YES | YES | — |
| Micropower | YES | — | — | — | YES | YES | YES |
| Number of Functions | 5 | — | — | 1 | 5 | 5 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | — | — | TSOP5,.11,37 | TSSOP5/6,.08 | SOP5/6,.11,37 | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | — | — | TR | TR | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | NOT SPECIFIED | NOT SPECIFIED |
| Power | NO | — | — | — | NO | NO | — |
| Programmable Power | NO | — | — | — | NO | NO | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — | — |
| Slew Rate-Nom | 0.19 V/us | — | — | — | 0.19 V/us | 0.19 V/us | 0.19 V/us |
| Supply Current-Max | 0.04 mA | — | — | — | 0.04 mA | 0.04 mA | 0.04 mA |
| Supply Voltage Limit-Max | 6 V | — | — | — | 6 V | 6 V | 6 V |
| Supply Voltage-Nom (Vsup) | 3.3 V | — | — | — | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | SCHOTTKY | — | — | CMOS | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | — | — | — | AUTOMOTIVE | AUTOMOTIVE | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | MATTE TIN | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | — | — | 0.95 mm | 0.65 mm | 0.95 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | — | NOT SPECIFIED | NOT SPECIFIED |
| Unity Gain BW-Nom | 400 | — | — | — | 400 | 400 | 400 |
| Voltage Gain-Min | 316227.78 | — | — | — | 316227.78 | 316227.766 | 794328.23472 |
| Wideband | NO | — | — | — | NO | NO | — |
| Pbfree Code | — | Yes | — | — | — | — | — |
| Manufacturer Package Code | — | 318 | — | — | — | — | — |
| Application | — | FAST RECOVERY | — | — | — | — | — |
| Breakdown Voltage-Min | — | 30 V | — | — | — | — | — |
| Configuration | — | COMMON CATHODE, 2 ELEMENTS | SINGLE WITH BUILT-IN DIODE | — | — | — | — |
| Diode Element Material | — | SILICON | — | — | — | — | — |
| Diode Type | — | RECTIFIER DIODE | — | — | — | — | — |
| Forward Voltage-Max (VF) | — | 0.24 V | — | — | — | — | — |
| JEDEC-95 Code | — | TO-236 | TO-236AB | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | 0.6 A | — | — | — | — | — |
| Number of Elements | — | 2 | 1 | — | — | — | — |
| Number of Phases | — | 1 | — | — | — | — | — |
| Output Current-Max | — | 0.1 A | — | — | — | — | — |
| Power Dissipation-Max | — | 0.225 W | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | 30 V | — | — | — | — | — |
| Reverse Current-Max | — | 2 µA | — | — | — | — | — |
| Reverse Recovery Time-Max | — | 0.005 µs | — | — | — | — | — |
| Reverse Test Voltage | — | 25 V | — | — | — | — | — |
| DS Breakdown Voltage-Min | — | — | 12 V | — | — | — | — |
| Drain Current-Max (ID) | — | — | 3 A | — | — | — | — |
| Drain-source On Resistance-Max | — | — | 0.05 Ω | — | — | — | — |
| FET Technology | — | — | METAL-OXIDE SEMICONDUCTOR | — | — | — | — |
| Feedback Cap-Max (Crss) | — | — | 200 pF | — | — | — | — |
| Operating Mode | — | — | ENHANCEMENT MODE | — | — | — | — |
| Polarity/Channel Type | — | — | P-CHANNEL | — | — | — | — |
| Power Dissipation-Max (Abs) | — | — | 0.75 W | — | — | — | — |
| Transistor Element Material | — | — | SILICON | — | — | — | — |
| Adjustability | — | — | — | ADJUSTABLE | — | — | — |
| Dropout Voltage1-Max | — | — | — | 0.4 V | — | — | — |
| Dropout Voltage1-Nom | — | — | — | 0.1 V | — | — | — |
| Line Regulation-Max (%/V) | — | — | — | 0.05 | — | — | — |
| Number of Outputs | — | — | — | 1 | — | — | — |
| Operating Temperature TJ-Max | — | — | — | 125 °C | — | — | — |
| Operating Temperature TJ-Min | — | — | — | -40 °C | — | — | — |
| Output Current1-Max | — | — | — | 0.3 A | — | — | — |
| Output Voltage1-Max | — | — | — | 5.1 V | — | — | — |
| Output Voltage1-Min | — | — | — | 0.8 V | — | — | — |
| Regulator Type | — | — | — | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — |
| Input Offset Current-Max (IIO) | — | — | — | — | — | 0.0006 µA | — |
| Screening Level | — | — | — | — | — | AEC-Q100 | AEC-Q100 |
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 6 alternatives for TSZ121ILT — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for TSZ121ILT 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 TSZ121ILT 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 TSZ121ILT?
Known equivalents for TSZ121ILT include BAT54CLT1G, SI2315BDS-T1-E3, LDK130M-R. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of TSZ121ILT?
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 TSZ121ILT 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.