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SZMM3Z18VT1GX Nexperia SZMM3Z18VT1GX is a 18V Zener diode with 300mW power dissipation in a SOD-323 surface mount package. It features ±5% tolerance and AEC-Q101 qualification.
Mfr Part #:

SZMM3Z18VT1GX

Available from 2 distributors
Mfr Name: Nexperia USA Inc.
Nexperia USA Inc.
Nexperia SZMM3Z18VT1GX is a 18V Zener diode with 300mW power dissipation in a SOD-323 surface mount package. It features ±5% tolerance and AEC-Q101 qualification.
✓ Total Stock: 6,005 pcs
$ Price Range: $0.04 - $0.25

SZMM3Z18VT1GX Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request On Request On Request On Request
ADI/AAR OEM Supply ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request On Request On Request On Request
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SZMM3Z18VT1GX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Forward Current
Impedance (Max) (Zzt)
Junction Temperature
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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SZMM3Z18VT1GX Description

Short technical summary and product information.

The Nexperia SZMM3Z18VT1GX is a general-purpose Zener diode from the SZMM3Z series. It offers a nominal Zener voltage of 18V with ±5% tolerance and a maximum power dissipation of 300mW. The device provides low impedance of 20Ω and a low reverse leakage current of 50nA at 13V, ensuring stable voltage regulation.

 

Designed for surface mount assembly, it comes in the compact SOD-323 (SC-76) package. The diode can operate over a temperature range of -55°C to +150°C and is AEC-Q101 qualified, making it suitable for automotive applications. Additional features include a non-repetitive peak reverse power dissipation of 40W and a forward voltage of 1.1V at 100mA.

 

This Zener diode is ideal for general regulation functions in a wide variety of electronic circuits. Its small footprint and robust electrical characteristics make it a flexible choice for both industrial and automotive designs.

SZMM3Z18VT1GX Quick Information

Product Type: Zener Diode
Series: SZMM3Z18VT1GX
Canonical Name: SZMM3Z18VT1GX Zener Diode
Subcategory: Single Zener Diode

SZMM3Z18VT1GX Compliance

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

SZMM3Z18VT1GX Estimated Pricing

Qty Low High
1+ $0.25 $0.25
10+ $0.15 $0.15
100+ $0.09 $0.09
500+ $0.07 $0.07
1,000+ $0.06 $0.06
3,000+ $0.05 $0.05
6,000+ $0.04 $0.04
9,000+ $0.04 $0.04
15,000+ $0.04 $0.04
21,000+ $0.04 $0.04
30,000+ $0.04 $0.04

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

SZMM3Z18VT1GX Features

  • 18V nominal Zener voltage with ±5% tolerance.
  • 300mW maximum power dissipation.
  • SOD-323 surface mount package (SC-76).
  • AEC-Q101 qualified for automotive use.
  • Low 50nA reverse leakage current at 13V.

SZMM3Z18VT1GX Applications

  • Ideal for general voltage regulation circuits.
  • Used in automotive electronics modules.
  • Suitable for overvoltage protection.
  • Compact for space-constrained designs.

SZMM3Z18VT1GX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal Zener voltage of SZMM3Z18VT1GX?

18V.

What is the power dissipation of this Zener diode?

300mW maximum.

What is the package type?

SOD-323 (SC-76) surface mount package.

Is this part AEC-Q101 qualified?

Yes, it is AEC-Q101 qualified.

What is the forward voltage?

1.1V maximum at 100mA.

What is the reverse leakage current?

50nA maximum at 13V reverse voltage.

What is the tolerance of the Zener voltage?

±5%.

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