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1SMB5938BT3G Zener diode with nominal voltage 36V and power dissipation 3W. Surface mount package DO-214AA (SMB) with ±5% tolerance.
Mfr Part #:

1SMB5938BT3G

Available from 7 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with nominal voltage 36V and power dissipation 3W. Surface mount package DO-214AA (SMB) with ±5% tolerance.
✓ Total Stock: 126,164 pcs

1SMB5938BT3G Available from 7 distributors

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1SMB5938BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Forward Voltage
Halogen Free
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Power
SVHC Present
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
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1SMB5938BT3G Description

Short technical summary and product information.

The 1SMB5938BT3G is a 36V Zener diode from On Semiconductor's 1SMB59xxBT3G series, designed for voltage regulation in surface mount applications. It offers a nominal Zener voltage of 36V with ±5% tolerance and a maximum steady-state power dissipation of 3W at lead temperature 75°C (derated to 550mW at ambient 25°C on FR-4 board). The device features a low Zener impedance of 38Ω at test current and a reverse leakage current of 1µA at 27.4V.

 

This Zener diode is housed in a void-free, transfer-molded plastic DO-214AA (SMB) package with modified L-bend leads for reliable surface mounting. It is rated for operating temperatures from -65°C to +150°C and has a flammability rating of UL 94 V-0. The cathode is indicated by a polarity band.

 

Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in power supplies, automotive electronics, and industrial control systems. The device is Pb-Free and RoHS3 compliant.

1SMB5938BT3G Quick Information

Product Type: Zener Diode
Series: 1SMB59xxBT3G
Canonical Name: Zener Diode 36V 3W Surface Mount DO-214AA (SMB)
Subcategory: Single Zener Diode

1SMB5938BT3G Compliance

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

1SMB5938BT3G Features

  • Nominal Zener voltage of 36V.
  • Power dissipation up to 3W.
  • Surface mount DO-214AA (SMB) package.
  • ±5% tolerance on Zener voltage.
  • Pb-Free and RoHS3 compliant.

1SMB5938BT3G Applications

  • Voltage regulation in power supplies.
  • Overvoltage protection circuits.
  • Reference voltage generation.
  • Automotive electronics applications.

1SMB5938BT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1SMB5938BT3G?

The nominal Zener voltage is 36V with ±5% tolerance.

What is the power dissipation rating?

Maximum steady-state power dissipation is 3W at lead temperature 75°C, derated to 550mW at ambient 25°C on FR-4 board.

What is the package type?

Surface mount DO-214AA (SMB) package.

What is the forward voltage?

Maximum forward voltage is 1.5V at 200mA.

What is the operating temperature range?

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

Is the device RoHS compliant?

Yes, RoHS3 compliant (low confidence, verify with manufacturer).

What is the Zener impedance?

Zener impedance (Zzt) is 38Ω at test current.

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