BFR31Alternatives & Equivalent Parts
About BFR31
BFR31 is a Diode component manufactured by NXP. It comes in a SOT23 (3-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 | BFR31Source | LM4040D50FTA | LMT84DCKR | LMV652MM | THS4531ID | STM32F303RBT6 |
|---|---|---|---|---|---|---|
| Manufacturer | NXP | Diodes Inc. | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package Type | SOT23 (3-Pin) | SOT23 (3-Pin) | SOT23 (5-Pin) | — | Small Outline Packages | Quad Flat Packages |
| Pin Count | 3 | 3 | 5 | — | 8 | 64 |
| Temperature Range | ~ 150.0°C | -40.0°C ~ 125.0°C | -50.0°C ~ 150.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $0.4200 | $0.1349 | $0.2619 | $0.4775 | $1.6000 | $5.5500 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | — | Yes | — |
| Date Of Intro | 1990-12-26 | — | — | — | — | — |
| YTEOL | 0 | 5.3 | 15 | — | 15 | 9 |
| Configuration | SINGLE | — | — | — | — | — |
| DS Breakdown Voltage-Min | 25 V | — | — | — | — | — |
| Drain Current-Max (ID) | 0.01 A | — | — | — | — | — |
| FET Technology | JUNCTION | — | — | — | — | — |
| Feedback Cap-Max (Crss) | 1.5 pF | — | — | — | — | — |
| JEDEC-95 Code | TO-236AB | — | — | — | — | — |
| JESD-30 Code | R-PDSO-G3 | R-PDSO-G3 | — | — | R-PDSO-G8 | S-PQFP-G64 |
| JESD-609 Code | e3 | e3 | e3 | — | e4 | e3 |
| Number of Elements | 1 | — | — | — | — | — |
| Operating Mode | DEPLETION MODE | — | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | — | — | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | — | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — | 260 | 260 |
| Polarity/Channel Type | N-CHANNEL | — | — | — | — | — |
| Power Dissipation-Max (Abs) | 0.3 W | — | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified |
| Surface Mount | YES | YES | YES | — | YES | YES |
| Terminal Finish | Tin (Sn) | MATTE TIN | Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | — | GULL WING | GULL WING |
| Terminal Position | DUAL | DUAL | — | — | DUAL | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | — | 30 | — |
| Transistor Application | AMPLIFIER | — | — | — | — | — |
| Transistor Element Material | SILICON | — | — | — | — | — |
| Factory Lead Time | — | 12 Weeks | — | — | — | 13 Weeks |
| Analog IC - Other Type | — | TWO TERMINAL VOLTAGE REFERENCE | — | — | — | — |
| Number of Functions | — | 1 | — | — | 1 | — |
| Number of Outputs | — | 1 | — | — | — | — |
| Output Voltage-Max | — | 5.05 V | — | — | — | — |
| Output Voltage-Min | — | 4.95 V | — | — | — | — |
| Output Voltage-Nom | — | 5 V | — | — | — | — |
| Package Equivalence Code | — | TO-236 | TSSOP5/6,.08 | — | SOP8,.25 | QFP64,.47SQ,20 |
| Temp Coef of Voltage-Max | — | 150 ppm/°C | — | — | — | — |
| Temperature Grade | — | AUTOMOTIVE | — | — | AUTOMOTIVE | INDUSTRIAL |
| Terminal Pitch | — | 0.95 mm | — | — | 1.27 mm | 0.5 mm |
| Trim/Adjustable Output | — | NO | — | — | — | — |
| Voltage Tolerance-Max | — | 1% | — | — | — | — |
| Accuracy-Max (Cel) | — | — | 2.7 Cel | — | — | — |
| Additional Feature | — | — | SHORT CIRCUIT PROTECTION | — | — | — |
| Body Breadth | — | — | 1.25 mm | — | — | — |
| Body Height | — | — | 0.95 mm | — | — | — |
| Body Length or Diameter | — | — | 2 mm | — | — | — |
| Housing | — | — | PLASTIC | — | — | — |
| Mounting Feature | — | — | SURFACE MOUNT | — | — | — |
| Operating Current-Max | — | — | 0.0081 mA | — | — | — |
| Package Shape/Style | — | — | RECTANGULAR | — | — | — |
| Sensors/Transducers Type | — | — | TEMPERATURE SENSOR,ANALOG,VOLTAGE OUTPUT | — | — | — |
| Supply Voltage-Max | — | — | 5.5 V | — | — | 3.6 V |
| Supply Voltage-Min | — | — | 1.5 V | — | — | 3.3 V |
| Technology | — | — | CMOS | — | BICMOS | CMOS |
| Termination Type | — | — | SOLDER | — | — | — |
| Amplifier Type | — | — | — | — | OPERATIONAL AMPLIFIER | — |
| Architecture | — | — | — | — | VOLTAGE-FEEDBACK | — |
| Average Bias Current-Max (IIB) | — | — | — | — | 0.21 µA | — |
| Bandwidth (3dB)-Nom | — | — | — | — | 2.7 MHz | — |
| Bias Current-Max (IIB) @25C | — | — | — | — | 0.21 µA | — |
| Common-mode Reject Ratio-Min | — | — | — | — | 90 dB | — |
| Common-mode Reject Ratio-Nom | — | — | — | — | 116 dB | — |
| Frequency Compensation | — | — | — | — | YES | — |
| Input Offset Current-Max (IIO) | — | — | — | — | 0.05 µA | — |
| Input Offset Voltage-Max | — | — | — | — | 1000 µV | — |
| Low-Bias | — | — | — | — | NO | — |
| Low-Offset | — | — | — | — | NO | — |
| Micropower | — | — | — | — | NO | — |
| Packing Method | — | — | — | — | TUBE | — |
| Power | — | — | — | — | NO | — |
| Programmable Power | — | — | — | — | NO | — |
| Slew Rate-Nom | — | — | — | — | 220 V/us | — |
| Supply Current-Max | — | — | — | — | 0.25 mA | — |
| Supply Voltage Limit-Max | — | — | — | — | 5.5 V | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 2.7 V | — |
| Unity Gain BW-Nom | — | — | — | — | 30000 | — |
| Voltage Gain-Max | — | — | — | — | 5.623 | — |
| Voltage Gain-Min | — | — | — | — | 100000 | — |
| Wideband | — | — | — | — | NO | — |
| ## THS4531ID Alternates Showing results | — | — | — | — | Image | — |
| Has ADC | — | — | — | — | — | YES |
| Bit Size | — | — | — | — | — | 32 |
| Boundary Scan | — | — | — | — | — | YES |
| CPU Family | — | — | — | — | — | CORTEX-M4F |
| Clock Frequency-Max | — | — | — | — | — | 32 MHz |
| DAC Channels | — | — | — | — | — | YES |
| DMA Channels | — | — | — | — | — | YES |
| Number of I/O Lines | — | — | — | — | — | 52 |
| On Chip Program ROM Width | — | — | — | — | — | 8 |
| PWM Channels | — | — | — | — | — | YES |
| RAM (bytes) | — | — | — | — | — | 32768 |
| ROM (words) | — | — | — | — | — | 131072 |
| ROM Programmability | — | — | — | — | — | FLASH |
| Speed | — | — | — | — | — | 72 MHz |
| Supply Voltage-Nom | — | — | — | — | — | 3.3 V |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | — | MICROCONTROLLER, RISC |
| ## STM32F303RBT6 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 5 alternatives for BFR31 — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for BFR31 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 BFR31 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?
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FAQ
What is equivalent to BFR31?
Known equivalents for BFR31 include LM4040D50FTA, LMT84DCKR, LMV652MM. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BFR31?
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 BFR31 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.