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SZMMSZ5251ET1G SZMMSZ5251ET1G is a 22V Zener diode rated for 500mW power dissipation in a SOD-123 surface mount package. It features ±5% tolerance and is designed for general purpose voltage regulation.
Mfr Part #:

SZMMSZ5251ET1G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
SZMMSZ5251ET1G is a 22V Zener diode rated for 500mW power dissipation in a SOD-123 surface mount package. It features ±5% tolerance and is designed for general purpose voltage regulation.
✓ Total Stock: 3,000 pcs
$ Price Range: $0.08 - $0.50

SZMMSZ5251ET1G Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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3,000 pcs
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3000 pcs On Request 1 On Request On Request On Request On Request On Request
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SZMMSZ5251ET1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
SVHC Present
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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SZMMSZ5251ET1G Description

Short technical summary and product information.

The SZMMSZ5251ET1G is a Zener voltage regulator diode from onsemi's SZMMSZ52xxET1G series, offering a nominal Zener voltage of 22V with ±5% tolerance. It is rated for a maximum power dissipation of 500mW on standard FR-4 or FR-5 boards, making it suitable for low-power voltage regulation and clamping applications.

 

This device is housed in a compact SOD-123 surface mount package, designed for automated board assembly and high-density applications. It features a maximum impedance of 29Ω at the Zener test current and a low reverse leakage current of 100nA at 17V. The forward voltage is 900mV at 10mA.

 

The SZMMSZ5251ET1G operates over a junction temperature range of -55°C to +150°C. The SZ prefix indicates automotive qualification (AEC-Q101) and PPAP capability, suitable for automotive and other applications requiring stringent change control.

SZMMSZ5251ET1G Quick Information

Product Type: Zener Diode
Series: SZMMSZ52xxET1G Series
Canonical Name: SZMMSZ5251ET1G Zener Diode 22V 500mW SOD-123
Subcategory: Single Zener Diode

SZMMSZ5251ET1G Compliance

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

SZMMSZ5251ET1G Estimated Pricing

Qty Low High
1+ $0.50 $0.50
10+ $0.31 $0.31
100+ $0.19 $0.19
500+ $0.15 $0.15
1,000+ $0.13 $0.13
3,000+ $0.10 $0.10
6,000+ $0.09 $0.09
9,000+ $0.08 $0.08
24,000+ $0.08 $0.08

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

SZMMSZ5251ET1G Features

  • 22V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation on FR-4 board.
  • Surface mount SOD-123 package.
  • AEC-Q101 qualified for automotive applications.
  • ESD rating Class 3 (>16 kV) per HBM.

SZMMSZ5251ET1G Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection and clamping.
  • Automotive electronics requiring AEC-Q101 parts.
  • General purpose Zener diode applications.

SZMMSZ5251ET1G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of SZMMSZ5251ET1G?

The nominal Zener voltage is 22V with a tolerance of ±5%.

What is the power rating of this Zener diode?

The maximum power dissipation is 500mW.

What package is SZMMSZ5251ET1G available in?

It is available in a SOD-123 surface mount package.

What is the forward voltage of this diode?

The maximum forward voltage is 900mV at a forward current of 10mA.

What is the reverse leakage current?

The maximum reverse leakage current is 100nA at a reverse voltage of 17V.

What is the operating temperature range?

The operating temperature range is -55°C to +150°C.

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