备用零件
Price @ 1000
$ 0.345
$ 0.306
Stock
179,766
489,708
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
供应链
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
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描述
由其分销商提供的 onsemi LM7918CT 的描述。
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.
制造商别名
onsemi 在全球拥有多个品牌，分销商可将其用作替代名称。onsemi 也可称为以下名称：
- 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
技术规格
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