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Power Circuits / Linear Regulator ICs / L7912CV
Datasheets
L7912CV by:

Negative voltage regulators

Part Details for L7912CV by STMicroelectronics

Results Overview of L7912CV by STMicroelectronics

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

L7912CV Information

L7912CV by STMicroelectronics is a Linear Regulator IC.
Linear Regulator ICs 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 L7912CV

Part # Distributor Description Stock Price Buy
DISTI # 9756256
element14 Asia-Pacific , -12V RoHS: Compliant Min Qty: 5 Container: Each 220
  • 5 $0.4200
  • 10 $0.3600
  • 100 $0.3000
  • 500 $0.2100
  • 1,000 $0.1900
  • 5,000 $0.1700
  • 10,000 $0.1600
$0.1600 / $0.4200 Buy Now
DISTI # L7912CV
Avnet Americas Standard Regulator Neg -12V 1.5A 3-Pin(3+Tab) TO-220 Tube - Rail/Tube (Alt: L7912CV) RoHS: Compliant Min Qty: 3000 Package Multiple: 1000 Lead time: 12 Weeks, 0 Days Container: Tube 0
  • 3,000 $0.2272
  • 5,000 $0.2258
  • 8,000 $0.2216
  • 15,000 $0.2176
  • 30,000 $0.2137
$0.2137 / $0.2272 Buy Now
STMicroelectronics Negative voltage regulators RoHS: Compliant Min Qty: 1 3283
  • 1 $0.5800
  • 10 $0.3400
  • 100 $0.3000
  • 500 $0.2800
$0.2800 / $0.5800 Buy Now
Bristol Electronics   Min Qty: 6 1470
  • 6 $0.8775
  • 24 $0.5704
  • 89 $0.3291
  • 305 $0.2808
  • 660 $0.2457
$0.2457 / $0.8775 Buy Now
Bristol Electronics   200
RFQ
Bristol Electronics   Min Qty: 7 50
  • 7 $0.7875
  • 27 $0.5119
$0.5119 / $0.7875 Buy Now
Bristol Electronics   4
RFQ
DISTI # L7912CV
TME IC: voltage regulator, linear,fixed, -12V, 1.5A, TO220AB, THT, L79 Min Qty: 1 1669
  • 1 $0.5280
  • 5 $0.3170
  • 25 $0.2790
  • 100 $0.2480
  • 250 $0.2020
  • 1,000 $0.1760
$0.1760 / $0.5280 Buy Now
ComSIT USA NEGATIVE VOLTAGE REGULATOR Fixed Negative Standard Regulator, 12V, BIPolar RoHS: Compliant Stock DE - 1498
Stock ES - 3014
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
Chip 1 Exchange INSTOCK 1000
RFQ
DISTI # L7912CV
Avnet Silica Standard Regulator Neg -12V 1.5A 3-Pin(3+Tab) TO-220 Tube (Alt: L7912CV) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 13 Weeks, 0 Days Silica - 67500
Buy Now
DISTI # L7912CV
EBV Elektronik Standard Regulator Neg -12V 1.5A 3-Pin(3+Tab) TO-220 Tube (Alt: L7912CV) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 13 Weeks, 0 Days EBV - 11000
Buy Now
LCSC 60dB(120Hz) 1.5A Fixed 12V Negative electrode 35V TO-220 Voltage Regulators - Linear Low Drop Out (LDO) Regulators ROHS 564
  • 1 $0.3293
  • 10 $0.2615
  • 30 $0.2332
  • 100 $0.1970
  • 500 $0.1812
  • 1,000 $0.1718
$0.1718 / $0.3293 Buy Now
Win Source Electronics Standard Regulator Neg -12V 1.5A 3-Pin(3+Tab) TO-220AB Tube / IC REG LDO -12V 1.5A TO220AB 3935
  • 370 $0.1360
  • 895 $0.1120
  • 1,390 $0.1080
  • 1,905 $0.1050
  • 2,480 $0.1010
  • 3,300 $0.0910
$0.0910 / $0.1360 Buy Now

Part Details for L7912CV

L7912CV CAD Models

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L7912CV Part Data Attributes

Parametric Data
L7912CV STMicroelectronics
Buy Now Datasheet
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L7912CV STMicroelectronics Negative voltage regulators
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SFM
Package Description TO-220, 3 PIN
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 12 Weeks
Samacsys Manufacturer STMicroelectronics
Adjustability FIXED
Dropout Voltage1-Nom 1.1 V
Input Voltage Absolute-Max 35 V
Input Voltage-Max 30 V
Input Voltage-Min 14.5 V
JESD-30 Code R-XSFM-T3
JESD-609 Code e4
Line Regulation-Max 0.24%
Load Regulation-Max 0.24%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 3
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min
Output Current1-Max 1.5 A
Output Voltage1-Max 12.6 V
Output Voltage1-Min 11.4 V
Output Voltage1-Nom 12 V
Package Body Material UNSPECIFIED
Package Code TO-220
Package Equivalence Code SIP3,.1TB
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Regulator Type FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR
Surface Mount NO
Technology BIPOLAR
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Voltage Tolerance-Max 5%

Alternate Parts for L7912CV

This table gives cross-reference parts and alternative options found for L7912CV. 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 L7912CV, 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
LM7912CT onsemi Check for Price 3-Terminal 1A Negative Voltage Regulator, 1000-TUBE L7912CV vs LM7912CT
LM7912AT Fairchild Semiconductor Corporation Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN L7912CV vs LM7912AT
KA7912TU onsemi Check for Price 3-Terminal 1 A Negative Voltage Regulator, 1000-TUBE L7912CV vs KA7912TU
L7912CV1 STMicroelectronics Check for Price 12V FIXED NEGATIVE REGULATOR, PSFM3, TO-220, 3 PIN L7912CV vs L7912CV1
MC7912CT Fairchild Semiconductor Corporation Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN L7912CV vs MC7912CT
KA7912A Fairchild Semiconductor Corporation Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN L7912CV vs KA7912A
MC7912CTG onsemi Check for Price Linear Voltage Regulator, 1 A, 5 V, Negative Vout: -12 V; 4%; TJ = 0°C to +125°C, TO-220, SINGLE GAUGE, 3-LEAD, 50-TUBE L7912CV vs MC7912CTG
MC7912CT onsemi Check for Price 12V FIXED NEGATIVE REGULATOR, PSFM3, D2PAK-3 L7912CV vs MC7912CT
KA7912ATU onsemi Check for Price 3-Terminal 1 A Negative Voltage Regulator, 1000-TUBE L7912CV vs KA7912ATU
Part Number Manufacturer Composite Price Description Compare
IP1R17K-15 TT Electronics Power and Hybrid / Semelab Limited Check for Price 15V FIXED NEGATIVE REGULATOR, MBFM2, TO-3, 2 PIN L7912CV vs IP1R17K-15
IP1R17K-05-883BR1 TT Electronics Power and Hybrid / Semelab Limited Check for Price 5V FIXED NEGATIVE REGULATOR, MBFM2, TO-3, 3 PIN L7912CV vs IP1R17K-05-883BR1
IP120MH-15-883B TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 15V, MBCY3, TO-39, 3 PIN L7912CV vs IP120MH-15-883B
5962-8874601UA Omnirel Corp Check for Price Fixed Negative Standard Regulator, 5V, BIPolar, MSFM3, L7912CV vs 5962-8874601UA
M38510/11507BYA Microchip Technology Inc Check for Price Fixed Negative Standard Regulator, 5V, BIPolar, MBFM2 L7912CV vs M38510/11507BYA
IP120K-05R1 TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 5V, MBFM2, TO-3, 2 PIN L7912CV vs IP120K-05R1
IP120AK-15 TT Electronics Power and Hybrid / Semelab Limited Check for Price 15V FIXED NEGATIVE REGULATOR, MBFM2, TO-3, 2 PIN L7912CV vs IP120AK-15
LM7905ASMD TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 5V, CBCC3, CERAMIC, SMD1-3 L7912CV vs LM7905ASMD
5962-8874701UX TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 12V, PSFM3, L7912CV vs 5962-8874701UX
LM7905-220MR1 TT Electronics Power and Hybrid / Semelab Limited Check for Price 5V FIXED NEGATIVE REGULATOR, MSFM3, TO-257AB, TO-220M, 3 PIN L7912CV vs LM7905-220MR1

L7912CV Related Parts

L7912CV Frequently Asked Questions (FAQ)

  • The L7912CV can handle a maximum input voltage of 35V, but it's recommended to keep it below 30V for reliable operation.

  • To ensure stability, make sure to use a minimum output capacitance of 10uF, and keep the input and output capacitors close to the regulator. Also, use a low-ESR capacitor for the output.

  • The dropout voltage of the L7912CV is typically around 2V, which means the input voltage should be at least 2V higher than the output voltage for proper regulation.

  • The L7912CV is rated for operation up to 150°C, but its performance may degrade at high temperatures. Make sure to derate the output current and consider using a heat sink if operating in high-temperature environments.

  • Use a TVS (Transient Voltage Suppressor) diode or a varistor in parallel with the input capacitor to protect the L7912CV from input voltage surges and spikes.

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