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MC7918CTG The On Semiconductor MC7918CTG is a linear voltage regulator providing a fixed -18V output at up to 1A. It is housed in a TO-220 package.
Mfr Part #:

MC7918CTG

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MC7918CTG is a linear voltage regulator providing a fixed -18V output at up to 1A. It is housed in a TO-220 package.
✓ Total Stock: 4,830 pcs
$ Price Range: $0.28

MC7918CTG Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
3,150 pcs
On Request
3150 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
1,680 pcs
On Request
1680 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MC7918CTG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Voltage
Lead Spacing
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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MC7918CTG Description

Short technical summary and product information.

The MC7918CTG from On Semiconductor is a negative voltage regulator designed for various electronic applications requiring a stable negative power supply. It offers a fixed output voltage of -18V and can deliver a continuous output current of up to 1A. This device is built with internal thermal overload protection and short-circuit current limiting, making it robust under various operating conditions.

 

The regulator is available in a TO-220 package, suitable for through-hole mounting. Its operating temperature range is from 0°C to 125°C. Key electrical characteristics include a maximum input voltage of -35V and a typical voltage dropout of 1.3V at 1A. The MC7918CTG is a complement to the MC7800 series of positive voltage regulators.

 

This component is well-suited for power supplies in analog and digital circuits, battery-powered devices, signal processing systems, communication equipment, and audio/video electronics where a consistent negative voltage is essential. Its design requires no external components for basic operation, simplifying circuit design.

MC7918CTG Quick Information

Product Type: Voltage Regulator
Series: MC7900
Canonical Name: MC7918CTG Negative Voltage Regulator
Subcategory: Linear Voltage Regulators

MC7918CTG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MC7918CTG Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

MC7918CTG Features

  • Fixed -18V negative voltage output.
  • Maximum output current of 1A.
  • Internal over current protection.
  • Internal thermal overload protection.
  • TO-220 package for through-hole mounting.

MC7918CTG Applications

  • Power supplies for analog circuits.
  • Power supplies for digital circuits.
  • Battery-powered electronic devices.
  • Signal processing systems.
  • Communication equipment.

MC7918CTG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the MC7918CTG?

-18V fixed.

What is the maximum output current?

1A.

What is the dropout voltage?

1.3V typical at 1A.

What is the operating temperature range?

0°C to 125°C.

What protection features does it have?

Over current and over temperature protection.

What package is it available in?

TO-220-3 (through-hole).

What is the PSRR?

59dB at 120Hz.

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