SZ1SMA5943BT3G 56V Zener diode with 1.5W power dissipation in a surface mount SMA package.
Mfr Part #:

SZ1SMA5943BT3G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
56V Zener diode with 1.5W power dissipation in a surface mount SMA package.
Total Stock: 1,000 pcs

SZ1SMA5943BT3G Available from 1 distributor

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SZ1SMA5943BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC-Q101 Qualified
Current
ESD Rating
Flammability Rating
Impedance (Max) (Zzt)
Maximum Junction Temperature
Mounting Type
Operating Temperature
Packaging Type
Polarity
Power
Standard Package Quantity
Supplier Device Package
Thermal Resistance Junction-to-Ambient
Thermal Resistance, Junction to Lead
Tolerance
Voltage
Zener Voltage

SZ1SMA5943BT3G Description

Short technical summary and product information.

The SZ1SMA5943BT3G is a 56V Zener diode from onsemi's 1.5W surface mount series. Designed for voltage regulation and protection, this AEC-Q101 qualified device delivers a nominal Zener voltage of 56V with a tolerance of ±5%.

 

Key electrical specifications include a maximum power dissipation of 1.5W at lead temperature 75°C, maximum forward voltage of 1.2V at 200mA, and a reverse leakage current of 500nA at 42.6V. The diode features an ESD rating of Class 3 (>16kV) per HBM and is built in a DO-214AC (SMA) package with cathode band polarity marking.

 

The device supports an operating temperature range of -65°C to +150°C and is supplied in tape and reel packaging with 5000 pieces per reel. The SZ prefix indicates automotive qualification per AEC-Q101.

SZ1SMA5943BT3G Quick Information

Product Type: Zener Diode
Series: SZ1SMA59xxBT3G
Canonical Name: SZ1SMA5943BT3G On Semiconductor Zener Diode 56V 1.5W
Subcategory: Single Zener Diode

SZ1SMA5943BT3G Compliance

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

SZ1SMA5943BT3G Features

  • 56V nominal Zener voltage ±5% tolerance.
  • 1.5W power dissipation at 75°C lead temperature.
  • ESD rating of Class 3 (>16kV) per HBM.
  • AEC-Q101 qualified for automotive applications.
  • Surface mount SMA (DO-214AC) package.

SZ1SMA5943BT3G Applications

  • Voltage regulation in automotive electronics.
  • Overvoltage protection and clamping circuits.
  • Power supply reference and bias circuits.

SZ1SMA5943BT3G FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the SZ1SMA5943BT3G?

The nominal Zener voltage is 56V with a tolerance of ±5%.

What is the maximum power dissipation?

Maximum power dissipation is 1.5W at lead temperature 75°C.

What package does this diode come in?

Surface mount DO-214AC (SMA) package.

Is the SZ1SMA5943BT3G automotive qualified?

Yes, the SZ prefix indicates AEC-Q101 qualification.

What is the operating temperature range?

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

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