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SZMMSZ5251BT1G Zener diode with nominal voltage 22V, power dissipation 500mW, surface mount SOD-123 package. ±5% tolerance and AEC-Q101 qualified for automotive applications.
Mfr Part #:

SZMMSZ5251BT1G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with nominal voltage 22V, power dissipation 500mW, surface mount SOD-123 package. ±5% tolerance and AEC-Q101 qualified for automotive applications.
✓ Total Stock: 75,910 pcs
$ Price Range: $0.09 - $0.34

SZMMSZ5251BT1G Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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Flip Electronics ✓
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75,910 pcs
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SZMMSZ5251BT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Industrial Grade
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
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SZMMSZ5251BT1G Description

Short technical summary and product information.

The SZMMSZ5251BT1G is a Zener voltage regulator diode from On Semiconductor, part of the SZMMSZ52xxxT1G series. It provides a nominal Zener voltage of 22V with ±5% tolerance and a maximum power dissipation of 500mW on FR-4 or FR-5 boards.

 

Electrical characteristics include a maximum impedance of 29Ω at Zzt, reverse leakage current of 100nA at 17V, and forward voltage of 900mV at 10mA. The device is rated for an operating temperature range of -55°C to 150°C with thermal resistance junction-to-ambient of 340°C/W and junction-to-lead of 150°C/W.

 

The diode is housed in a surface mount SOD-123 package, designed for automated board assembly. It features an ESD rating of Class 3 (>16kV) per Human Body Model and flammability rating UL 94 V-0. The SZ prefix indicates AEC-Q101 qualification for automotive applications, and the device is Pb-free.

 

Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in automotive and general-purpose circuits. The device is supplied in tape and reel packaging with 3000 units per reel.

SZMMSZ5251BT1G Quick Information

Product Type: Zener Diode
Series: SZMMSZ52xxxT1G
Canonical Name: Zener Diode 22V 500mW Surface Mount SOD-123
Subcategory: Single Zener Diode

SZMMSZ5251BT1G Compliance

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

SZMMSZ5251BT1G Estimated Pricing

Qty Low High
1+ $0.34 $0.34
10+ $0.21 $0.21
100+ $0.13 $0.13
500+ $0.10 $0.10
1,000+ $0.09 $0.09
3,000+ $0.09 $0.09

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

SZMMSZ5251BT1G Features

  • Nominal Zener voltage of 22V.
  • Power dissipation rating of 500mW.
  • Surface mount SOD-123 package.
  • AEC-Q101 qualified for automotive use.
  • ESD rating over 16kV HBM.

SZMMSZ5251BT1G Applications

  • Voltage regulation in automotive electronics.
  • Overvoltage protection circuits.
  • Reference voltage generation.
  • General purpose clamping applications.

SZMMSZ5251BT1G FAQs

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

22V.

What is the power dissipation rating?

500mW.

What is the tolerance?

±5%.

What is the forward voltage?

900mV at 10mA.

What is the package type?

SOD-123 surface mount.

Is it AEC-Q101 qualified?

Yes, the SZ prefix indicates AEC-Q101 qualification.

What is the operating temperature range?

-55°C to 150°C.

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