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BZX55C18-TAP The BZX55C18-TAP is a 18V nominal Zener diode with 500mW power dissipation in a DO-35 through-hole package. It features ±5% tolerance and maximum 50Ω impedance.
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BZX55C18-TAP

Available from 1 distributors
Mfr Name: Vishay
Vishay
The BZX55C18-TAP is a 18V nominal Zener diode with 500mW power dissipation in a DO-35 through-hole package. It features ±5% tolerance and maximum 50Ω impedance.
✓ Total Stock: 9,715 pcs
$ Price Range: $0.08 - $0.48

BZX55C18-TAP Available from 1 distributor

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BZX55C18-TAP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Diode Configuration
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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BZX55C18-TAP Description

Short technical summary and product information.

The BZX55C18-TAP is a small-signal Zener diode from the BZX55 series, designed for voltage stabilization. It provides a nominal Zener voltage of 18 V with ±5% tolerance and a maximum power dissipation of 500 mW.

 

Electrical characteristics include a maximum impedance (Zzt) of 50 Ω, a reverse leakage current of 100 nA at 13 V, and a maximum forward voltage of 1.5 V at 200 mA. The device operates over a temperature range of -65°C to +175°C, with a maximum junction temperature of 175°C.

 

Supplied in a DO-204AH (DO-35) axial through-hole package, the diode weighs approximately 125 mg and is suitable for automated assembly using ammopack or tape-and-reel packaging. The datasheet specifies moisture sensitivity level 1 and a peak soldering temperature of 260°C.

 

Typical applications include voltage stabilization in low-power supplies, reference voltage generation, and signal clamping. The BZX55 series is characterized by a very sharp reverse characteristic, low reverse current, high stability, and low noise.

BZX55C18-TAP Quick Information

Product Type: Zener Diode
Series: BZX55-Series
Canonical Name: BZX55C18-TAP Zener Diode, 18V, 500mW, DO-35
Subcategory: Diodes - Zener - Single

BZX55C18-TAP Compliance

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

BZX55C18-TAP Estimated Pricing

Qty Low High
1+ $0.48 $0.48
10+ $0.30 $0.30
50+ $0.21 $0.21
100+ $0.19 $0.19
500+ $0.14 $0.14
10,000+ $0.09 $0.09
30,000+ $0.08 $0.08

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

BZX55C18-TAP Features

  • 18V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation in DO-35 package.
  • Very sharp reverse characteristic for stable regulation.
  • Low reverse current of 100nA max at 13V.
  • Operates from -65°C to 175°C.

BZX55C18-TAP Applications

  • Voltage stabilization in low-power supply circuits.
  • Reference voltage generation in analog circuits.
  • Signal clamping and protection in discrete designs.
  • Suitable for through-hole PCB assembly.

BZX55C18-TAP FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of BZX55C18-TAP?

The nominal Zener voltage is 18 V with a tolerance of ±5%.

What is the power dissipation rating?

Maximum power dissipation is 500 mW.

What is the forward voltage at 200 mA?

Maximum forward voltage is 1.5 V at a forward current of 200 mA.

What is the maximum Zener impedance?

Maximum impedance (Zzt) is 50 Ω.

What is the reverse leakage current?

Maximum reverse leakage is 100 nA at a reverse voltage of 13 V.

What package is the BZX55C18-TAP available in?

It comes in a DO-204AH (DO-35) axial through-hole package.

What is the operating temperature range?

The device operates from -65°C to +175°C, with maximum junction temperature of 175°C.

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