BZX84C18-E3-18 Vishay BZX84C18-E3-18 is a 18V Zener diode with 300mW power dissipation in a surface mount SOT-23-3 package. It features ±5% tolerance and ESD capability up to 8kV HBM.
Mfr Part #:

BZX84C18-E3-18

Available from 1 distributors
Mfr Name: Vishay Dale
Vishay Dale
Vishay BZX84C18-E3-18 is a 18V Zener diode with 300mW power dissipation in a surface mount SOT-23-3 package. It features ±5% tolerance and ESD capability up to 8kV HBM.
Total Stock: 9,883 pcs
$ Price Range: $0.07 - $0.44

BZX84C18-E3-18 Available from 1 distributor

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BZX84C18-E3-18 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Circuit Configuration
Current
ESD Capability (HBM)
ESD Capability (MM)
Flammability Rating
Impedance (Max) (Zzt)
Junction Temperature
Lead Style
Molding Compound Flammability Rating
Mounting Type
Operating Temperature
Package Weight
Polarity
Power
Power Dissipation (Maximum @ total)
Soldering Condition
Standard Package Quantity
Storage Temperature
Storage Temperature Range
Supplier Device Package
Tape & Reel
Thermal Resistance Junction-to-Ambient
Thermal Resistance, Junction to Lead
Tolerance
Voltage
Weight

BZX84C18-E3-18 Description

Short technical summary and product information.

The Vishay BZX84C18-E3-18 is a silicon planar Zener diode with a nominal Zener voltage of 18V and a tolerance of ±5%. It is part of the BZX84 series, designed for general purpose voltage regulation and protection applications. The diode offers a maximum power dissipation of 300mW on an FR-4 board (500mW total) and operates over a temperature range of -55°C to 150°C.

 

This device is housed in a compact SOT-23-3 surface mount package, suitable for automated assembly. It features a low maximum impedance of 45Ω at the test current and a reverse leakage current of 50nA at 12.6V. The diode is ESD rated to >8kV HBM and >800V MM, making it robust for handling in manufacturing.

 

Typical applications include voltage clamping, overvoltage protection, and reference voltage generation in consumer, industrial, and automotive electronics (AEC-Q101 qualified variants available). The package is RoHS3 compliant and MSL level 1, compatible with lead-free soldering processes up to 260°C peak temperature.

BZX84C18-E3-18 Quick Information

Product Type: Zener Diode
Series: BZX84
Canonical Name: Vishay BZX84C18-E3-18 Zener Diode, 18V, 300mW, SOT-23-3
Subcategory: Single Zener Diode

BZX84C18-E3-18 Compliance

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

BZX84C18-E3-18 Estimated Pricing

Qty Low High
1+ $0.44 $0.44
10+ $0.27 $0.27
50+ $0.20 $0.20
100+ $0.17 $0.17
500+ $0.13 $0.13
10,000+ $0.08 $0.08
30,000+ $0.07 $0.07

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

BZX84C18-E3-18 Features

  • 18V nominal Zener voltage with ±5% tolerance.
  • 300mW power dissipation on FR-4 board.
  • Surface mount SOT-23-3 package.
  • ESD rated >8kV Human Body Model.
  • RoHS3 compliant and MSL level 1.

BZX84C18-E3-18 Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive components.
  • Reference voltage generation in analog circuits.
  • Used in consumer and industrial electronics.

BZX84C18-E3-18 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the BZX84C18-E3-18?

18V nominal with ±5% tolerance.

What package is the BZX84C18-E3-18 available in?

SOT-23-3 surface mount package (TO-236-3, SC-59, SOT-23-3).

What is the power dissipation rating?

300mW on FR-4 board, 500mW total maximum.

What is the ESD capability?

>8kV Human Body Model and >800V Machine Model.

What is the operating temperature range?

-55°C to 150°C.

What is the mounting type?

Surface mount.

Is the BZX84C18-E3-18 RoHS compliant?

Yes, RoHS3 compliant.

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