SZ1SMA5942BT3G 1.5W surface mount Zener diode with a nominal Zener voltage of 51V and ±5% tolerance. Packaged in a DO-214AC (SMA) case.
Mfr Part #:

SZ1SMA5942BT3G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
1.5W surface mount Zener diode with a nominal Zener voltage of 51V and ±5% tolerance. Packaged in a DO-214AC (SMA) case.
Total Stock: 1,785 pcs
$ Price Range: $0.23 - $1.15

SZ1SMA5942BT3G Available from 1 distributor

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SZ1SMA5942BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
AEC-Q101 Qualified
Automotive Grade
Current
ESD Rating
Flammability Rating
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Polarity
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
Zener Voltage

SZ1SMA5942BT3G Description

Short technical summary and product information.

The SZ1SMA5942BT3G is a 1.5W surface mount Zener voltage regulator diode from onsemi (formerly On Semiconductor). It is part of the SZ1SMA59xxBT3G series, which is AEC-Q101 qualified for automotive applications. The device provides a nominal Zener voltage of 51V with a tolerance of ±5%.

 

Key electrical specifications include a maximum Zener impedance of 70Ω, a maximum reverse leakage current of 500nA at 38.8V, and a maximum forward voltage of 1.2V at 200mA. The part is rated for ESD protection of Class 3 (>16kV) per the Human Body Model. It is housed in a surface mount DO-214AC (SMA) package with a cathode band polarity indicator.

 

The operating temperature range is -65°C to +150°C. The device is lead-free and has a flammability rating of UL 94 V-0.

SZ1SMA5942BT3G Quick Information

Product Type: Zener Diode
Series: SZ1SMA59xxBT3G Series
Canonical Name: 1.5W Surface Mount Zener Diode, 51V, DO-214AC (SMA)
Subcategory: Single Zener Diode

SZ1SMA5942BT3G Compliance

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

SZ1SMA5942BT3G Estimated Pricing

Qty Low High
1+ $1.15 $1.15
10+ $0.72 $0.72
100+ $0.47 $0.47
500+ $0.36 $0.36
1,000+ $0.33 $0.33
2,000+ $0.30 $0.30
5,000+ $0.25 $0.25
10,000+ $0.23 $0.23

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

SZ1SMA5942BT3G Features

  • 1.5W power dissipation at 75°C.
  • Zener voltage of 51V with ±5% tolerance.
  • Surface mount DO-214AC (SMA) package.
  • AEC-Q101 qualified for automotive use.
  • ESD rating of Class 3 (>16kV) HBM.

SZ1SMA5942BT3G Applications

  • Voltage regulation in automotive electronics.
  • Overvoltage protection circuits.
  • DC-DC converter feedback clamping.
  • General purpose voltage reference.

SZ1SMA5942BT3G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of SZ1SMA5942BT3G?

The nominal Zener voltage is 51V, with a tolerance of ±5%.

What is the maximum power dissipation?

Maximum power dissipation is 1.5W at TL=75°C with zero lead length.

What package is the SZ1SMA5942BT3G available in?

It comes in a surface mount DO-214AC (SMA) package.

What is the maximum reverse leakage current?

Maximum reverse leakage current is 500 nA at a reverse voltage of 38.8V.

Is the SZ1SMA5942BT3G automotive qualified?

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

What is the operating temperature range?

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

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