Have a small number of parts or want to add parts manually? Request Quote manually

Search across all market segments

1SMB5939BT3G 1SMB5939BT3G is a 39V, 3W Zener diode in a surface mount SMB package from On Semiconductor. It features ±5% tolerance and ESD rating >16kV.
Mfr Part #:

1SMB5939BT3G

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
1SMB5939BT3G is a 39V, 3W Zener diode in a surface mount SMB package from On Semiconductor. It features ±5% tolerance and ESD rating >16kV.
Total Stock: 12,995 pcs

1SMB5939BT3G Available from 4 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6,788 pcs
6788 pcs On Request 1 On Request On Request 21+ On Request On Request
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request 21+ On Request On Request
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,207 pcs
1207 pcs On Request 1 On Request On Request On Request On Request On Request

1SMB5939BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
ESD Rating
Flammability Rating
Forward Voltage (Vf)
Halogen Free
Impedance (Max) (Zzt)
Lead Style
Max Lead Temperature for Soldering
Maximum Junction Temperature
Mounting Type
Operating Temperature
Operating Temperature Range
Polarity
Power
Power Dissipation
Power Dissipation at Ambient
Reverse Leakage Current (IR)
Standard Package Quantity
Storage Temperature
Supplier Device Package
Tape & Reel
Thermal Resistance Junction-to-Ambient
Thermal Resistance, Junction to Lead
Tolerance
Voltage
Zener Impedance (Zzt)
Zener Voltage (Vz)

1SMB5939BT3G Description

Short technical summary and product information.

The 1SMB5939BT3G is a 39V Zener voltage regulator diode from On Semiconductor's 1SMB59xxBT3G series. It is rated for 3W power dissipation at a lead temperature of 75°C, with a derating factor of 40 mW/°C above 75°C. The device offers a zener impedance of 45Ω and a reverse leakage current of 1µA at 29.7V.

 

This diode is designed for surface mount applications and is housed in a DO-214AA (SMB) package. It features an ESD rating of Class 3 (>16kV) per Human Body Model, making it suitable for robust applications. The operating temperature range is -65°C to 150°C.

 

Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in various electronic circuits. The Pb-free and RoHS compliant construction ensures environmental compliance.

1SMB5939BT3G Quick Information

Product Type: Zener Diode
Series: 1SMB59xxBT3G Series
Canonical Name: 1SMB5939BT3G Zener Diode, 39V, 3W, SMB
Subcategory: Single Zener Diode

1SMB5939BT3G Compliance

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

1SMB5939BT3G Features

  • 39V zener voltage with ±5% tolerance.
  • 3W power dissipation capability.
  • ESD rating >16kV Class 3 HBM.
  • Surface mount SMB package.
  • Pb-free and RoHS compliant.

1SMB5939BT3G Applications

  • Voltage regulation in power supplies.
  • Overvoltage protection circuits.
  • Reference voltage generation.
  • Automotive electronics (AEC-Q101 qualified variants available).

1SMB5939BT3G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the zener voltage of the 1SMB5939BT3G?

39V with ±5% tolerance.

What is the forward voltage?

1.5V at 200mA.

What is the power dissipation?

3W at lead temperature 75°C, derated above.

What is the operating temperature range?

-65°C to 150°C.

What is the package type?

DO-214AA (SMB) surface mount.

What is the ESD rating?

>16kV Class 3 HBM.

Home
Categories
Submit RFQ
Login
Account

Categories