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SZMM3Z20VST1G The SZMM3Z20VST1G is a 20V Zener diode from On Semiconductor, rated for 300mW power dissipation in a SOD-323 surface mount package.
Mfr Part #:

SZMM3Z20VST1G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The SZMM3Z20VST1G is a 20V Zener diode from On Semiconductor, rated for 300mW power dissipation in a SOD-323 surface mount package.
✓ Total Stock: 60,000 pcs
$ Price Range: $0.06 - $0.35

SZMM3Z20VST1G 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
60,000 pcs
On Request
60000 pcs On Request 1 On Request On Request On Request On Request On Request
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SZMM3Z20VST1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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SZMM3Z20VST1G Description

Short technical summary and product information.

The SZMM3Z20VST1G is a Zener voltage regulator from the SZMM3ZxxxST1G series by ON Semiconductor. It features a nominal Zener voltage of 20V with a tight tolerance of ±2.45%. The maximum power dissipation is 300mW (500mW on FR-4 board per datasheet note). Key electrical characteristics include a maximum Zener impedance of 55Ω, a reverse leakage current of 50nA at 14V, and a forward voltage of 900mV at 10mA.

 

This device is packaged in a SOD-323 (SC-76) surface mount package, enabling space-saving designs in high-density PCBs. The operating temperature range spans -65°C to 150°C. The SZ prefix indicates automotive qualification (AEC-Q101) and PPAP capability, making it suitable for demanding applications.

 

Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in portable electronics, automotive systems, and industrial controls. The SOD-323 package offers low body height and small footprint for compact assemblies.

SZMM3Z20VST1G Quick Information

Product Type: Zener Diode
Series: SZMM3ZxxxST1G
Canonical Name: ON Semiconductor SZMM3Z20VST1G Zener Voltage Regulator, 20V, 300mW, SOD-323
Subcategory: Single Zener Diode

SZMM3Z20VST1G Compliance

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

SZMM3Z20VST1G Estimated Pricing

Qty Low High
1+ $0.35 $0.35
10+ $0.22 $0.22
100+ $0.14 $0.14
500+ $0.10 $0.10
1,000+ $0.09 $0.09
3,000+ $0.07 $0.07
6,000+ $0.06 $0.06

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

SZMM3Z20VST1G Features

  • 20V nominal Zener voltage with ±2.45% tolerance.
  • 300mW power dissipation in SOD-323 package.
  • Low reverse leakage of 50nA at 14V.
  • Surface mount for compact designs.
  • Automotive qualified AEC-Q101 (SZ prefix).

SZMM3Z20VST1G Applications

  • Voltage regulation in portable electronics.
  • Overvoltage protection circuits.
  • Reference voltage in power supplies.
  • High-density PCB applications.
  • Automotive electronics (with SZ prefix).

SZMM3Z20VST1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal Zener voltage of the SZMM3Z20VST1G?

20 V.

What is the tolerance of the Zener voltage?

±2.45%.

What is the maximum power dissipation?

300 mW (500 mW on FR-4 board per datasheet note).

What is the forward voltage at 10 mA?

900 mV maximum.

What is the package type?

SC-76, SOD-323 (SOD-323 supplier device package).

What is the operating temperature range?

-65°C to 150°C (junction temperature).

Is the SZMM3Z20VST1G RoHS compliant?

The component is marked RoHS3 compliant in the database, and the datasheet confirms the series is Pb-Free, Halogen Free/BFR Free and RoHS Compliant. However, the SZ prefix variant is not explicitly confirmed.

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