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SZ1SMB5948BT3G Zener diode with 91V nominal voltage and 3W power dissipation in a surface mount SMB package.
Mfr Part #:

SZ1SMB5948BT3G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with 91V nominal voltage and 3W power dissipation in a surface mount SMB package.
✓ Total Stock: 22,500 pcs
$ Price Range: $0.22 - $1.05

SZ1SMB5948BT3G Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
22,500 pcs
On Request
22500 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.

SZ1SMB5948BT3G 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
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Voltage
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SZ1SMB5948BT3G Description

Short technical summary and product information.

The SZ1SMB5948BT3G is a 3W surface mount Zener voltage regulator diode from onsemi's 1SMB59xxBT3G series. It features a nominal Zener voltage of 91V and a maximum power dissipation of 3W at a lead temperature of 75°C. The device offers a maximum Zener impedance of 200Ω and a maximum reverse leakage current of 1µA at 69.2V.

 

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

 

Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in automotive, industrial, and consumer electronics. The Pb-free and RoHS-compliant construction supports lead-free soldering processes.

SZ1SMB5948BT3G Quick Information

Product Type: Zener Diode
Series: SZ1SMB59xxT3G Series
Canonical Name: SZ1SMB5948BT3G Zener Diode 91V 3W SMB
Subcategory: Single Zener Diode

SZ1SMB5948BT3G Compliance

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

SZ1SMB5948BT3G Estimated Pricing

Qty Low High
1+ $1.05 $1.05
10+ $0.65 $0.65
100+ $0.43 $0.43
500+ $0.33 $0.33
1,000+ $0.30 $0.30
2,500+ $0.24 $0.24
5,000+ $0.22 $0.22

Estimated market price range - modelled values for guidance only, not live distributor offers.

SZ1SMB5948BT3G Features

  • 91V nominal Zener voltage.
  • 3W power dissipation capability.
  • AEC-Q101 qualified for automotive.
  • ESD rating >16kV HBM Class 3.
  • Surface mount SMB package.

SZ1SMB5948BT3G Applications

  • Voltage regulation in automotive modules.
  • Overvoltage protection circuits.
  • Reference voltage generation.
  • Industrial power supply clamping.

SZ1SMB5948BT3G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the SZ1SMB5948BT3G?

The nominal Zener voltage is 91V.

What is the power dissipation rating?

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

What is the operating temperature range?

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

What package does this diode come in?

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

Is this part AEC-Q101 qualified?

Yes, the SZ prefix indicates AEC-Q101 qualification for automotive applications.

What is the maximum forward voltage?

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

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