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1SMA5942BT3G Zener Diode, 51V nominal, ±5% tolerance, 1.5W power dissipation in SMA surface mount package.
Mfr Part #:

1SMA5942BT3G

Available from 6 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener Diode, 51V nominal, ±5% tolerance, 1.5W power dissipation in SMA surface mount package.
✓ Total Stock: 89,520 pcs

1SMA5942BT3G Available from 6 distributors

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1SMA5942BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Impedance (Max) (Zzt)
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Package / Case
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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1SMA5942BT3G Description

Short technical summary and product information.

The On Semiconductor 1SMA5942BT3G is a 51V Zener diode in the 1.5W plastic surface mount SMA package, part of the 1SMA59xxBT3G series. It offers a nominal Zener voltage of 51V with ±5% tolerance, a maximum impedance of 70Ω, and a reverse leakage current of 500nA at 38.8V. The forward voltage is 1.5V at 200mA.

 

This device is designed for general voltage regulation and protection applications. It features an ESD rating of Class 3 (>16kV) per the Human Body Model. The operating temperature range spans -65°C to +150°C. Power dissipation is derated above 75°C lead temperature at 20mW/°C, and above 25°C ambient temperature at 4mW/°C.

 

The 1SMA5942BT3G is supplied in a DO-214AC (SMA) package with a cathode band polarity indicator. It is lead-free (Pb-Free) and rated UL 94 V-0 for flammability. Available in tape and reel packaging with a standard quantity of 5000 units.

1SMA5942BT3G Quick Information

Product Type: Zener Diode
Series: 1SMA59xxBT3G
Canonical Name: On Semiconductor 1SMA5942BT3G Zener Diode, 51V, 1.5W, SMA, ±5%
Subcategory: Single Zener Diode

1SMA5942BT3G Compliance

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

1SMA5942BT3G Features

  • Nominal Zener voltage of 51V.
  • ±5% tolerance for precise regulation.
  • 1.5W power dissipation capability.
  • Surface mount SMA package.
  • ESD rating Class 3 over 16kV.

1SMA5942BT3G Applications

  • Used in voltage regulation circuits.
  • Overvoltage protection for sensitive loads.
  • General purpose Zener diode applications.

1SMA5942BT3G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the nominal Zener voltage of the 1SMA5942BT3G?

The nominal Zener voltage (Vz) is 51V.

What is the power rating of this Zener diode?

Maximum power dissipation is 1.5W at TL=75°C, derated 20mW/°C above 75°C.

What package is the 1SMA5942BT3G available in?

It comes in a DO-214AC (SMA) surface mount package.

What is the tolerance of the Zener voltage?

The tolerance is ±5%.

What is the operating temperature range?

Operating and storage temperature range is -65°C to +150°C.

What is the ESD rating of this device?

The ESD rating is Class 3 (>16kV) per the Human Body Model.

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