onsemi LM7918CT
$ 0.345
Obsolete
Inventory History
3 month trend: +0.00%
CAD Models
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Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.345
$ 0.308
Stock
174,643
484,052
Authorized Distributors
3
6
Case/Package
TO-220-3
TO-220
Number of Pins
3
3
Number of Outputs
1
1
Max Output Current
1 A
1 A
Min Input Voltage
21 V
21 V
Max Input Voltage
33 V
33 V
Min Output Voltage
-18 V
-18 V
Max Output Voltage
-
-
Accuracy
4 %
4 %
Dropout Voltage
2 V
1.3 V
Power Supply Rejection Ratio (PSRR)
60 dB
59 dB
Supply Chain
Country of OriginMainland China
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1978-03-22
Lifecycle StatusObsolete (Last Updated: 2 months ago)
LTB Date2018-06-22
LTD Date2018-12-22
Related Parts
onsemiMC7812ABTG
Linear Voltage Regulator, 1 A, 5 to 24 V, Positive Vout: 12.0 V; TJ = -40°C to +125°C
STMicroelectronicsLD1117V-DG
LD1117 Series 1300 mA Adjustable Output Positive Voltage LDO Regulator - TO-220
Descriptions
Descriptions of onsemi LM7918CT provided by its distributors.
LDO Regulator Neg -18V 2.2A 3-Pin(3+Tab) TO-220AB Rail
LM79XX Series 18 V Fixed Output 1 A Negative Voltage Regulator - TO-220
LINEAR VOLT REG, 1A, -18V, TO-220AB-3; Fixed Output Voltage Nom.:-18V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Input Voltage Min:-33V; Input Voltage Max:-22.5V; Product Range:LM79XX; Output Current:1A; Output Type:Fixed; Linear Regulator Case Style:TO-220AB; No. of Pins:3Pins; Operating Temperature Min:0°C; Operating Temperature Max:125°C; Automotive Qualification Standard:-; MSL:-; SVHC:No SVHC (15-Jan-2018)
The KA79XX / KA79XXA / LM79XX series of three-terminal negative regulators are available in a TO-220 package with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shutdown, and safe operating area protection.
Manufacturer Aliases
onsemi has several brands around the world that distributors may use as alternate names. onsemi may also be known as the following names:
- ON Semiconductor
- ONS
- ONSEMICON
- ON SEM
- ON SEMICONDUCTO
- ON SEMICONDUCTORS
- ONSEMIC
- ON Semicondu
- OSC
- ONSE
- ON SEMICOND
- ON Semiconductor / Fairchild
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- ON SEMICONDUCTOR CORP
- onsemi / Fairchild
- MOT/ON SEMI
- Fairchild/ONSemiconductor
- ON Semiconductor Corporation
- ON4
- ON Semi - ON Semiconductor
- ON SEMICONDUCT
- ON-SEMI SCG
- ON Semiconductor Inc.
- onsemiconductor
- On Semiconductor Ltd
Inventory History
3 month trend: +0.00%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageTO-220-3
Contact PlatingTin
MountThrough Hole
Number of Pins3
Number of Terminals3
Weight1.214 g
Technical
Accuracy4 %
Dropout Voltage2 V
Max Input Voltage33 V
Max Junction Temperature (Tj)125 °C
Max Operating Temperature125 °C
Max Output Current1 A
Min Input Voltage21 V
Min Operating Temperature0 °C
Min Output Voltage-18 V
Nominal Output Voltage-18 V
Number of Channels1
Number of Circuits1
Number of Outputs1
Number of Regulators1
Output Current1 A
Output TypeFixed
Output Voltage-18 V
Output Voltage Accuracy4 %
PolarityNegative
Power Supply Rejection Ratio (PSRR)60 dB
Quiescent Current6 mA
Voltage Tolerance5 %
Dimensions
Height16.51 mm
Length10.67 mm
Terminal Pitch2.54 mm
Width4.83 mm
Compliance
Environmental Classification
Lead FreeLead Free
REACH SVHCNo
RoHSCompliant
Compliance Statements