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Power Circuits / Voltage References / LM431SACMFX
Datasheets
LM431SACMFX by:

Adjustable/2.5V, 2% Tolerance Shunt Regulator, SOT23−3L, 3000-REEL

Part Details for LM431SACMFX by onsemi

Results Overview of LM431SACMFX by onsemi

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Applications Consumer Electronics Energy and Power Systems Renewable Energy Automotive

LM431SACMFX Information

LM431SACMFX by onsemi is a Voltage Reference.
Voltage References are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for LM431SACMFX

Part # Distributor Description Stock Price Buy
DISTI # 31Y2348
Newark Voltage Reference, Shunt - Adjustable, Lm431Sa Series, 2.5V To 36V, Sot-23F-3 Rohs Compliant: Yes |Onsemi LM431SACMFX RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Cut Tape 0
  • 1 $0.3500
  • 10 $0.1950
  • 25 $0.1670
  • 50 $0.1520
  • 100 $0.1370
$0.1370 / $0.3500 Buy Now
DISTI # 82C8193
Newark Voltage Reference, Shunt - Adjustable, Lm431Sa Series, 2.5V To 36V, Sot-23F-3 Rohs Compliant: Yes |Onsemi LM431SACMFX RoHS: Compliant Min Qty: 3000 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 3,000 $0.1250
  • 6,000 $0.1100
  • 12,000 $0.0990
  • 18,000 $0.0920
  • 30,000 $0.0840
$0.0840 / $0.1250 Buy Now
DISTI # LM431SACMFXCT-ND
DigiKey IC VREF SHUNT ADJ 2% SOT23F-3 Min Qty: 1 Lead time: 24 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 6337
In Stock
  • 1 $0.5500
  • 10 $0.3270
  • 25 $0.2680
  • 100 $0.2018
  • 250 $0.1691
  • 500 $0.1490
  • 1,000 $0.1322
  • 3,000 $0.1109
  • 6,000 $0.1003
  • 9,000 $0.0949
  • 15,000 $0.0888
  • 21,000 $0.0852
  • 30,000 $0.0817
  • 75,000 $0.0746
$0.0746 / $0.5500 Buy Now
DISTI # LM431SACMFX
Avnet Americas V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23F T/R - Tape and Reel (Alt: LM431SACMFX) RoHS: Compliant Min Qty: 10205 Package Multiple: 1 Lead time: 0 Weeks, 2 Days Container: Reel 5817000 Partner Stock
  • 10,205 $0.0662
  • 11,000 $0.0645
  • 21,000 $0.0636
  • 52,000 $0.0628
  • 110,000 $0.0605
$0.0605 / $0.0662 Buy Now
DISTI # LM431SACMFX
Avnet Americas V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23F T/R - Tape and Reel (Alt: LM431SACMFX) RoHS: Compliant Min Qty: 9000 Package Multiple: 3000 Lead time: 111 Weeks, 0 Days Container: Reel 0
RFQ
DISTI # V72:2272_06302209
Arrow Electronics V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 24 Weeks Date Code: 1941 Container: Cut Strips Americas - 5333
  • 1 $0.1680
  • 10 $0.0934
  • 25 $0.0802
  • 50 $0.0794
  • 100 $0.0633
  • 250 $0.0538
  • 500 $0.0535
  • 1,000 $0.0533
  • 3,000 $0.0530
$0.0530 / $0.1680 Buy Now
DISTI # V79:2366_25547431
Arrow Electronics V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1809 Americas - 82
  • 1 $0.0525
  • 10 $0.0351
$0.0351 / $0.0525 Buy Now
DISTI # 85951806
Verical V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 3576 Package Multiple: 1 Date Code: 1801 Americas - 7073370
  • 3,576 $0.1049
  • 10,000 $0.0935
  • 100,000 $0.0784
$0.0784 / $0.1049 Buy Now
DISTI # 85951843
Verical V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 3576 Package Multiple: 1 Date Code: 2001 Americas - 384323
  • 3,576 $0.1049
  • 10,000 $0.0935
  • 100,000 $0.0784
$0.0784 / $0.1049 Buy Now
DISTI # 85951588
Verical V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 3576 Package Multiple: 1 Date Code: 1901 Americas - 17000
  • 3,576 $0.1049
  • 10,000 $0.0935
  • 100,000 $0.0784
$0.0784 / $0.1049 Buy Now
DISTI # 85951864
Verical V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 3576 Package Multiple: 1 Americas - 6000
  • 3,576 $0.1049
  • 10,000 $0.0935
  • 100,000 $0.0784
$0.0784 / $0.1049 Buy Now
DISTI # 85951777
Verical V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 3576 Package Multiple: 1 Date Code: 2301 Americas - 6000
  • 3,576 $0.1049
  • 10,000 $0.0935
  • 100,000 $0.0784
$0.0784 / $0.1049 Buy Now
DISTI # 85951688
Verical V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23FL T/R RoHS: Compliant Min Qty: 3576 Package Multiple: 1 Date Code: 2201 Americas - 5955
  • 3,576 $0.1049
  • 10,000 $0.0935
  • 100,000 $0.0784
$0.0784 / $0.1049 Buy Now
Rochester Electronics Adjustable/2.5V, 2% Tolerance Shunt Regulator RoHS: Compliant Status: End of Life / Last Time Buy Min Qty: 1 7496251
  • 100 $0.1011
  • 500 $0.0910
  • 1,000 $0.0839
  • 10,000 $0.0748
  • 100,000 $0.0627
$0.0627 / $0.1011 Buy Now
DISTI # LM431SACMFX
TME IC: voltage reference source, 2.5V, ±2%, SOT23F, 100mA Min Qty: 1 0
  • 1 $0.4390
  • 5 $0.3210
  • 10 $0.2580
  • 100 $0.1300
  • 250 $0.1140
  • 500 $0.1070
  • 3,000 $0.1010
$0.1010 / $0.4390 RFQ
ComSIT USA Electronic Component RoHS: Compliant Stock DE - 0
Stock ES - 3000
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
DISTI # LM431SACMFX
Avnet Silica VRef Adjustable 25V to 36V 100mA 3Pin SOT23F TR (Alt: LM431SACMFX) RoHS: Compliant Min Qty: 9000 Package Multiple: 3000 Lead time: 143 Weeks, 0 Days Silica - 0
Buy Now
DISTI # LM431SACMFX
EBV Elektronik VRef Adjustable 25V to 36V 100mA 3Pin SOT23F TR (Alt: LM431SACMFX) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 143 Weeks, 0 Days EBV - 0
Buy Now
Flip Electronics Stock, ship today 5817000
RFQ

Part Details for LM431SACMFX

LM431SACMFX CAD Models

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LM431SACMFX Part Data Attributes

Parametric Data
LM431SACMFX onsemi
Buy Now Datasheet
Compare Parts:
LM431SACMFX onsemi Adjustable/2.5V, 2% Tolerance Shunt Regulator, SOT23−3L, 3000-REEL
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code SOT23−3L
Package Description SOT-23F, 3 PIN
Manufacturer Package Code 318AB
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 2 Days
Samacsys Manufacturer onsemi
Additional Feature THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS
Analog IC - Other Type TWO TERMINAL VOLTAGE REFERENCE
JESD-30 Code R-PDSO-G3
JESD-609 Code e3
Length 2.9 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 3
Operating Temperature-Max 85 °C
Operating Temperature-Min -25 °C
Output Current-Max 0.1 A
Output Voltage-Max 2.55 V
Output Voltage-Min 2.45 V
Output Voltage-Nom 2.5 V
Package Body Material PLASTIC/EPOXY
Package Code VSSOP
Package Equivalence Code TO-236
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1 mm
Surface Mount YES
Technology BIPOLAR
Temp Coef of Voltage-Max 61.818 ppm/°C
Temperature Grade OTHER
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form GULL WING
Terminal Pitch 0.95 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Trim/Adjustable Output YES
Width 1.6 mm

Alternate Parts for LM431SACMFX

This table gives cross-reference parts and alternative options found for LM431SACMFX. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM431SACMFX, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
KA431SMFTF onsemi $0.0755 Adjustable/2.5V, 2% Tolerance Shunt Regulator, SOT23−3L, 3000-REEL LM431SACMFX vs KA431SMFTF
TL431LIAQDBZR Texas Instruments $0.0850 Adjustable precision shunt regulator with optimized reference current (pin layout: KRA) 3-SOT-23 -40 to 125 LM431SACMFX vs TL431LIAQDBZR
TL431LIACDBZR Texas Instruments $0.0892 Adjustable precision shunt regulator with optimized reference current (pin layout: KRA) 3-SOT-23 0 to 70 LM431SACMFX vs TL431LIACDBZR
TL431LIAQDBZRQ1 Texas Instruments $0.1992 Automotive, adjustable, precision shunt regulator with optimized reference current 3-SOT-23 -40 to 125 LM431SACMFX vs TL431LIAQDBZRQ1
TL431LIAEDBZRQ1 Texas Instruments $0.3451 Automotive, adjustable, precision shunt regulator with optimized reference current 3-SOT-23 -40 to 150 LM431SACMFX vs TL431LIAEDBZRQ1
KA431SMFTF Fairchild Semiconductor Corporation Check for Price Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO3, LEAD FREE, SOT-23F, 3 PIN LM431SACMFX vs KA431SMFTF
KA431SMF Fairchild Semiconductor Corporation Check for Price Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO3, SOT-23F, 3 PIN LM431SACMFX vs KA431SMF
LM431SACMFX Fairchild Semiconductor Corporation Check for Price Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO3, SOT-23F, 3 PIN LM431SACMFX vs LM431SACMFX
TL431LIAIDBZR Texas Instruments Check for Price Adjustable precision shunt regulator with optimized reference current (pin layout: KRA) 3-SOT-23 -40 to 85 LM431SACMFX vs TL431LIAIDBZR
LM431ACMF Fairchild Semiconductor Corporation Check for Price Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO3, SOT-23F, 3 PIN LM431SACMFX vs LM431ACMF
Part Number Manufacturer Composite Price Description Compare
TL431QDBZRG4 Texas Instruments $0.1145 Adjustable precision shunt regulator 3-SOT-23 -40 to 125 LM431SACMFX vs TL431QDBZRG4
LM431BCZ/NOPB Texas Instruments $0.2617 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 3-TO-92 0 to 70 LM431SACMFX vs LM431BCZ/NOPB
LM431BIM3 National Semiconductor Corporation Check for Price IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495 V, PDSO3, PLASTIC, SOT-23, 3 PIN, Voltage Reference LM431SACMFX vs LM431BIM3
LM431CCZXA Fairchild Semiconductor Corporation Check for Price Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3, TO-92, 3 PIN LM431SACMFX vs LM431CCZXA
LM431AIMX Fairchild Semiconductor Corporation Check for Price Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8, SOP-8 LM431SACMFX vs LM431AIMX
HA17L431ALP-E Renesas Electronics Corporation Check for Price 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24V, PDSO5, SC-74A, MPAK-5 LM431SACMFX vs HA17L431ALP-E
LMV431CM5X National Semiconductor Corporation Check for Price IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO5, SOT-23, 5 PIN, Voltage Reference LM431SACMFX vs LMV431CM5X
TS2431ILT STMicroelectronics Check for Price Adjustable Shunt Voltage Reference LM431SACMFX vs TS2431ILT
TL431AMFDT Nexperia Check for Price Three Terminal Voltage Reference LM431SACMFX vs TL431AMFDT
LM431CCZ/NOPB Texas Instruments Check for Price 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 3-TO-92 0 to 70 LM431SACMFX vs LM431CCZ/NOPB

LM431SACMFX Related Parts

LM431SACMFX Frequently Asked Questions (FAQ)

  • The recommended operating temperature range for the LM431SACMFX is -40°C to 125°C.

  • To ensure stability, it's recommended to use a 0.1uF to 1uF capacitor between the cathode and anode pins, and to keep the lead length as short as possible.

  • The maximum current that the LM431SACMFX can handle is 15mA.

  • Yes, the LM431SACMFX can be used as a voltage regulator, but it's primarily designed as a voltage reference. For voltage regulation, consider using a dedicated voltage regulator IC.

  • The output voltage of the LM431SACMFX is approximately 2.5V, but it can be adjusted using an external resistor divider network.

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