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1SMB5941BT3G 1SMB5941BT3G is a 47V 3W Zener voltage regulator diode in a surface mount SMB package. It offers ±5% tolerance and is AEC-Q101 qualified.
Mfr Part #:

1SMB5941BT3G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
1SMB5941BT3G is a 47V 3W Zener voltage regulator diode in a surface mount SMB package. It offers ±5% tolerance and is AEC-Q101 qualified.
Total Stock: 18,106 pcs

1SMB5941BT3G Available from 3 distributors

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1SMB5941BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
AEC-Q101
Automotive Grade
Current
ESD Rating
Forward Voltage
Halogen Free
Impedance (Max) (Zzt)
Industrial Grade
Junction to Ambient Thermal Resistance
Junction to Lead Thermal Resistance
Lead Spacing
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Power
Power Dissipation
Reverse Leakage Current
SVHC Present
Standard Package Quantity
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
Zener Impedance
Zener Voltage

1SMB5941BT3G Description

Short technical summary and product information.

The 1SMB5941BT3G is a 3W plastic surface mount Zener voltage regulator diode from onsemi's 1SMB59xxBT3G series. It provides a nominal Zener voltage of 47V with ±5% tolerance, making it suitable for voltage regulation and clamping applications.

 

Key electrical characteristics include a maximum forward voltage of 1.5V at 200mA, reverse leakage current of 1µA at 35.8V, and a maximum Zener impedance of 67Ω. The device is rated for a power dissipation of 3W at a lead temperature of 75°C, with a junction-to-lead thermal resistance of 25°C/W.

 

The diode is housed in a DO-214AA (SMB) package with a modified L-bend lead style for surface mounting. It features an ESD rating of Class 3 (>16 kV) per the Human Body Model and is qualified to AEC-Q101 for automotive applications. The operating temperature range spans -65°C to 150°C.

1SMB5941BT3G Quick Information

Product Type: Zener Diode
Series: 1SMB59xxBT3G
Canonical Name: 1SMB5941BT3G - 47V 3W Zener Diode, Surface Mount, DO-214AA (SMB)

1SMB5941BT3G Compliance

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

1SMB5941BT3G Features

  • 47V Zener voltage with ±5% tolerance.
  • 3W power dissipation at 75°C lead temperature.
  • Surface mount SMB (DO-214AA) package.
  • AEC-Q101 qualified for automotive applications.
  • ESD rating Class 3 (>16 kV) HBM.

1SMB5941BT3G Applications

  • Voltage regulation in automotive electronics.
  • Overvoltage protection in power supplies.
  • Clamping circuits for transient suppression.
  • Reference voltage in industrial control systems.

1SMB5941BT3G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1SMB5941BT3G?

The Zener voltage is 47V with a tolerance of ±5%.

What is the power dissipation rating of this diode?

The maximum steady state power dissipation is 3W at a lead temperature of 75°C.

What package does the 1SMB5941BT3G come in?

It is available in a DO-214AA (SMB) surface mount package.

Is the 1SMB5941BT3G qualified for automotive use?

Yes, it is AEC-Q101 qualified.

What is the forward voltage of this Zener diode?

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

What is the operating temperature range?

The operating and storage temperature range is -65°C to 150°C.

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