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1SMB5915BT3 DIODE ZENER 3.9V 3W SMB. Surface mount Zener diode from On Semiconductor with 3.9V nominal voltage, 3W power dissipation, and ±5% tolerance.
Mfr Part #:

1SMB5915BT3

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
DIODE ZENER 3.9V 3W SMB. Surface mount Zener diode from On Semiconductor with 3.9V nominal voltage, 3W power dissipation, and ±5% tolerance.
✓ Total Stock: 2,935 pcs

1SMB5915BT3 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
2,335 pcs
On Request
2335 pcs On Request 1 On Request On Request 26 On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
600 pcs
On Request
600 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

1SMB5915BT3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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1SMB5915BT3 Description

Short technical summary and product information.

The 1SMB5915BT3 is a 3.9V Zener diode from On Semiconductor's 1SMB59xxBT3 series, designed for 3W continuous power dissipation at a lead temperature of 75°C. It features a maximum Zener impedance of 7.5Ω and a reverse leakage current of 25µA at 1V. The device is ESD rated Class 3 (>16kV) per the Human Body Model and has a flammability rating of UL 94 V-0. It operates over a temperature range of -65°C to 150°C. The diode is housed in a DO-214AA (SMB) surface mount package with modified L-bend leads, suitable for automated assembly. Typical applications include voltage regulation, overvoltage protection, and reference circuits in power supplies and automotive electronics.

1SMB5915BT3 Quick Information

Product Type: Zener Diode
Series: 1SMB59xxBT3
Canonical Name: 1SMB5915BT3 Zener Diode, 3.9V, 3W, SMB
Subcategory: Single Zener Diode

1SMB5915BT3 Compliance

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

1SMB5915BT3 Features

  • 3.9V nominal Zener voltage with ±5% tolerance.
  • 3W power dissipation at 75°C lead temperature.
  • Surface mount SMB package with modified L-bend leads.
  • ESD rating Class 3 (>16kV) per HBM.
  • UL 94 V-0 flammability rated.

1SMB5915BT3 Applications

  • Voltage regulation in power supplies.
  • Overvoltage protection circuits.
  • Clamping and reference applications.
  • Automotive electronics (AEC-Q101 qualified variants).
  • General purpose Zener diode functions.

1SMB5915BT3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1SMB5915BT3?

3.9V nominal with ±5% tolerance.

What is the power dissipation rating?

3W maximum at lead temperature 75°C.

What is the forward voltage?

1.5V maximum at 200mA forward current.

What is the package type?

DO-214AA (SMB) surface mount package.

What is the operating temperature range?

-65°C to 150°C.

What is the ESD rating?

Class 3 (>16kV) per Human Body Model.

Is the device RoHS compliant?

RoHS3 compliant (unverified).

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