Datasheets
LM7912CT by:
onsemi
Fairchild Semiconductor Corporation
HuaGuan Semiconductor
National Semiconductor Corporation
onsemi
Silicon Group Inc
Texas Instruments
Not Found

3-Terminal 1A Negative Voltage Regulator, 1000-TUBE

Part Details for LM7912CT by onsemi

Results Overview of LM7912CT by onsemi

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

LM7912CT Information

LM7912CT by onsemi 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 LM7912CT

Part # Distributor Description Stock Price Buy
DISTI # 2156-LM7912CT-488-ND
DigiKey LM79 3-TERMINAL, 1.5A NEGATIVE V Min Qty: 283 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT 1117
In Stock
  • 283 $1.0600
$1.0600 Buy Now
DISTI # 85995992
Verical Standard Regulator Neg -12V 1A 3-Pin(3+Tab) TO-220 Tube Min Qty: 313 Package Multiple: 1 Date Code: 1801 Americas - 1117
  • 313 $1.1985
  • 500 $1.1475
  • 1,000 $1.0838
$1.0838 / $1.1985 Buy Now
Rochester Electronics LM7912 - 3-Terminal, 1.5A Negative Voltage Regulator RoHS: Not Compliant Status: Obsolete Min Qty: 1 1117
  • 1 $1.0200
  • 25 $0.9996
  • 100 $0.9588
  • 500 $0.9180
  • 1,000 $0.8670
$0.8670 / $1.0200 Buy Now

Part Details for LM7912CT

LM7912CT CAD Models

LM7912CT Part Data Attributes

LM7912CT onsemi
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LM7912CT onsemi 3-Terminal 1A Negative Voltage Regulator, 1000-TUBE
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Package Description TO-220AB, 3 PIN
Manufacturer Package Code 340AT
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 4 Weeks
Samacsys Manufacturer onsemi
Adjustability FIXED
Dropout Voltage1-Nom 2 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 e3
Line Regulation-Max 0.24%
Load Regulation-Max 0.24%
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 A
Output Voltage1-Max 12.6 V
Output Voltage1-Min 11.4 V
Output Voltage1-Nom 12 V
Package Body Material UNSPECIFIED
Package Code SFM
Package Equivalence Code SIP3,.1TB
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Qualification Status Not Qualified
Regulator Type FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR
Surface Mount NO
Technology BIPOLAR
Terminal Finish TIN
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position SINGLE
Voltage Tolerance-Max 5%

Alternate Parts for LM7912CT

This table gives cross-reference parts and alternative options found for LM7912CT. 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 LM7912CT, 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
KA7912TU onsemi Check for Price 3-Terminal 1 A Negative Voltage Regulator, 1000-TUBE LM7912CT vs KA7912TU
KA7912A Fairchild Semiconductor Corporation Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN LM7912CT vs KA7912A
LM7912AT Fairchild Semiconductor Corporation Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN LM7912CT vs LM7912AT
MC7912CT onsemi Check for Price 12V FIXED NEGATIVE REGULATOR, PSFM3, D2PAK-3 LM7912CT vs MC7912CT
L7912CV1 STMicroelectronics Check for Price 12V FIXED NEGATIVE REGULATOR, PSFM3, TO-220, 3 PIN LM7912CT vs L7912CV1
M5F7912 Mitsubishi Electric Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, LM7912CT vs M5F7912
KA7912 Fairchild Semiconductor Corporation Check for Price Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN LM7912CT vs KA7912
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 LM7912CT vs MC7912CTG
Part Number Manufacturer Composite Price Description Compare
L7912CP STMicroelectronics Check for Price Negative voltage regulators LM7912CT vs L7912CP
LM79M15H TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 15V, MBCY3, TO-39, 3 PIN LM7912CT vs LM79M15H
IP3R17AK-12 TT Electronics Power and Hybrid / Semelab Limited Check for Price 12V FIXED NEGATIVE REGULATOR, MBFM2, TO-3, 2 PIN LM7912CT vs IP3R17AK-12
IP1R19AK-05 TT Electronics Power and Hybrid / Semelab Limited Check for Price 5V FIXED NEGATIVE REGULATOR, MBFM2, TO-3, 2 PIN LM7912CT vs IP1R19AK-05
LM7905AH-8QR-BR1 TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 5V, MBCY3, TO-39, TO-205AD, 3 PIN LM7912CT vs LM7905AH-8QR-BR1
5962-8874801TA Microchip Technology Inc Check for Price Fixed Negative Standard Regulator, 15V, BIPolar, MSFM3 LM7912CT vs 5962-8874801TA
IP1R19AK-05-883B TT Electronics Power and Hybrid / Semelab Limited Check for Price 5V FIXED NEGATIVE REGULATOR, MBFM2, TO-3, 3 PIN LM7912CT vs IP1R19AK-05-883B
IP1R17G-12-883BR1 TT Electronics Power and Hybrid / Semelab Limited Check for Price 12V FIXED NEGATIVE REGULATOR, MSFM3, TO-257, 3 PIN LM7912CT vs IP1R17G-12-883BR1
LM7905ASMD-8QR-B TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 5V, CBCC3, CERAMIC, TO-276AB, 3 PIN LM7912CT vs LM7905ASMD-8QR-B
IP120AR-05-BSS2 TT Electronics Resistors Check for Price Fixed Negative Standard Regulator, 5V, MBFM2, TO-66, 3 PIN LM7912CT vs IP120AR-05-BSS2

LM7912CT Related Parts

LM7912CT Frequently Asked Questions (FAQ)

  • The LM7912CT can handle input voltages up to 35V, but it's recommended to keep it below 25V for optimal performance and to prevent overheating.

  • To ensure a stable output voltage, make sure to use a suitable input capacitor (e.g., 10uF) and output capacitor (e.g., 10uF) as close to the device as possible. Also, ensure the input voltage is at least 2V higher than the output voltage.

  • The minimum input voltage required for the LM7912CT to function is around 14.5V, but it's recommended to keep it above 15V for optimal performance.

  • The LM7912CT is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to use a heat sink or ensure good airflow to keep the device temperature below 100°C.

  • To protect the LM7912CT from input voltage transients, use a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input. This will help prevent damage from voltage spikes or surges.