BZX84C18 BZX84C18 is a 18V Zener diode from On Semiconductor with 300mW power dissipation. It comes in a SOT-23-3 surface mount package.
Mfr Part #:

BZX84C18

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
BZX84C18 is a 18V Zener diode from On Semiconductor with 300mW power dissipation. It comes in a SOT-23-3 surface mount package.
Total Stock: 4,370 pcs

BZX84C18 Available from 2 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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2,900 pcs
2900 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,470 pcs
1470 pcs On Request 1 On Request On Request On Request On Request On Request

BZX84C18 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tolerance
Voltage

BZX84C18 Description

Short technical summary and product information.

The BZX84C18 is a 18V Zener diode from On Semiconductor designed for voltage regulation and protection applications. It offers a nominal Zener voltage of 18V with a tolerance of ±5% and a maximum power dissipation of 300mW.

 

Electrical characteristics include a maximum impedance of 45Ω and a reverse leakage current of 50nA at 12.6V. The device operates over a junction temperature range of -50°C to 150°C.

 

The BZX84C18 is housed in a surface mount package compatible with TO-236-3, SC-59, and SOT-23-3 footprints. It is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited). This makes it suitable for automated assembly in compact electronic designs.

BZX84C18 Quick Information

Product Type: Zener Diode
Canonical Name: BZX84C18 Zener Diode, 18V, 300mW, SOT-23-3
Subcategory: Single

BZX84C18 Compliance

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

BZX84C18 Features

  • 18V nominal Zener voltage with ±5% tolerance.
  • 300mW maximum power dissipation.
  • 45Ω maximum impedance at test current.
  • Surface mount SOT-23-3 package.
  • RoHS3 compliant and REACH unaffected.

BZX84C18 Applications

  • Voltage regulation in low-power DC circuits.
  • Overvoltage protection for IC inputs.
  • Voltage reference for analog circuits.
  • Clamping in signal conditioning.

BZX84C18 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of BZX84C18?

18V nominal with ±5% tolerance.

What is the power dissipation rating?

300mW maximum.

What is the package type?

SOT-23-3 (also TO-236-3, SC-59).

What is the operating temperature range?

-50°C to 150°C junction temperature.

What is the reverse leakage current?

50nA maximum at 12.6V reverse voltage.

What is the impedance?

45Ω maximum.

Is it RoHS compliant?

Yes, it is listed as RoHS3 Compliant.

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