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BZX84C27 Zener diode with 27V nominal zener voltage, 250mW power dissipation, in SOT-23-3 surface mount package. Suitable for voltage regulation and clamping applications.
Mfr Part #:

BZX84C27

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with 27V nominal zener voltage, 250mW power dissipation, in SOT-23-3 surface mount package. Suitable for voltage regulation and clamping applications.
✓ Total Stock: 25 pcs

BZX84C27 Available from 1 distributor

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Hybrid Electronics ✓
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25 pcs
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25 pcs On Request 1 On Request On Request NO DC On Request On Request
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BZX84C27 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
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AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Industrial Grade
Lead Style
Medical Grade
Military Grade
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Operating Temperature Range
Package / Case
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Supplier Device Package
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BZX84C27 Description

Short technical summary and product information.

The BZX84C27 is a Zener diode manufactured by On Semiconductor (formerly Fairchild Semiconductor). It provides a nominal zener voltage of 27V with a ±5% tolerance (C grade) for the general-purpose BZX84C series. The device is available in a compact SOT-23-3 surface mount package with gull wing terminations, suitable for automated assembly.

 

Electrical characteristics include a maximum forward voltage of 900mV at 10mA, reverse leakage current of 50nA at 18.9V, and dynamic impedance of 80Ω at 5mA. The zener voltage range is specified at three test currents: 25.1V to 28.9V at 5mA, 25.0V to 28.9V at 1mA, and 25.2V to 29.4V at 20mA.

 

Thermal performance is rated at 250mW maximum power dissipation when referenced to junction-to-ambient (RθJA=465°C/W on FR-4 PCB) and 550mW when referenced to junction-to-lead (RθJL=220°C/W). The operating junction temperature range is -55°C to 150°C, with a storage temperature range of the same limits.

 

This Zener diode is designed for low-power voltage regulation, overvoltage protection, and reference voltage applications in consumer, industrial, and automotive electronics.

BZX84C27 Quick Information

Product Type: Zener Diode
Series: BZX84C
Canonical Name: BZX84C27 Zener Diode 27V 250mW Surface Mount SOT-23-3
Subcategory: Single Zener Diode

BZX84C27 Compliance

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

BZX84C27 Features

  • Nominal zener voltage of 27V with ±5% tolerance.
  • Power dissipation rating of 250mW (junction-to-ambient).
  • Low reverse leakage current of 50nA at 18.9V.
  • Surface mount SOT-23-3 package with gull wing leads.
  • Operating temperature range from -55°C to 150°C.

BZX84C27 Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection in portable devices.
  • Reference voltage generation in analog circuits.
  • Clamping in signal conditioning circuits.

BZX84C27 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the zener voltage of BZX84C27?

The nominal zener voltage is 27V. At 5mA, the voltage range is 25.1V to 28.9V (C tolerance grade).

What is the forward voltage of BZX84C27?

The maximum forward voltage is 900mV at 10mA forward current.

What is the package type of BZX84C27?

The device is available in a SOT-23-3 surface mount package (TO-236-3, SC-59 equivalent) with gull wing terminations.

What is the power dissipation rating of BZX84C27?

The maximum power dissipation is 250mW when referenced to junction-to-ambient (RJA) at 25°C, and 550mW when referenced to junction-to-lead (RJL) at 25°C.

What is the dynamic impedance of BZX84C27?

The maximum dynamic impedance (Zzt) is 80Ω at 5mA, 300Ω at 1mA, and 45Ω at 20mA.

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