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18TQ045S 18TQ045S is a 45V, 18A Schottky rectifier in a D2PAK surface mount package with a low forward voltage drop of 0.6V at 18A.
Mfr Part #:

18TQ045S

Available from 1 distributors
Mfr Name: SMC Diode Solutions
SMC Diode Solutions
18TQ045S is a 45V, 18A Schottky rectifier in a D2PAK surface mount package with a low forward voltage drop of 0.6V at 18A.
✓ Total Stock: 6,898 pcs

18TQ045S Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6,898 pcs
On Request
6898 pcs On Request 1 On Request On Request On Request On Request On Request
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18TQ045S Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Capacitance @ Vr, F
Current
Medical Grade
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18TQ045S Description

Short technical summary and product information.

The 18TQ045S is a Schottky rectifier from SMC Diode Solutions designed for high-efficiency power conversion. It features a peak repetitive reverse voltage of 45V and an average rectified forward current of 18A. The forward voltage drop is typically 0.5V at 5A and 0.6V at 18A, enabling low conduction losses.

 

This device offers a non-repetitive surge current rating of 390A and a junction capacitance of 1400pF at 5V and 1MHz. It operates over a junction temperature range of -55°C to 150°C and has a thermal resistance of 6°C/W from junction to case.

 

The 18TQ045S is housed in a D2PAK (TO-263) surface mount package with 100% pure tin terminal finish. It is suitable for applications such as switching power supplies, converters, free-wheeling diodes, and reverse battery protection.

18TQ045S Quick Information

Product Type: Schottky Rectifier
Canonical Name: 18TQ045S Schottky Rectifier, 45V, 18A, D2PAK
Subcategory: Single Diodes

18TQ045S Compliance

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

18TQ045S Features

  • 45V peak repetitive reverse voltage.
  • 18A average rectified forward current.
  • Low forward voltage drop of 0.6V at 18A.
  • Surface mount D2PAK package.
  • Operates from -55°C to 150°C.

18TQ045S Applications

  • Used in switching power supplies.
  • Ideal for converters and free-wheeling diodes.
  • Suitable for reverse battery protection.

18TQ045S FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage of the 18TQ045S?

The peak repetitive reverse voltage is 45V.

What is the forward current rating of the 18TQ045S?

The average rectified forward current is 18A.

What is the forward voltage drop of the 18TQ045S?

The forward voltage drop is 0.6V at 18A and 0.5V at 5A.

What package is the 18TQ045S available in?

The 18TQ045S is available in a D2PAK (TO-263) surface mount package.

What is the operating temperature range of the 18TQ045S?

The operating temperature range is -55°C to 150°C.

What is the surge current rating of the 18TQ045S?

The non-repetitive surge current is 390A.

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