MM3Z18 is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.03614
Datasheet

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.16000
Datasheet

Parametric Equivalent


Taiwan Semiconductor Corporation
In Stock: 0
Unit Price: $0.21000
Datasheet
Zener Diode 18 V 300 mW ±5% Surface Mount SOD-323F
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MM3Z18

DigiKey Part Number
4878-MM3Z18-ND
Manufacturer
Manufacturer Part Number
MM3Z18
Description
DIODE ZENER 18V 300MW SOD323F
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Zener Diode 18 V 300 mW ±5% Surface Mount SOD-323F
Datasheet
 Datasheet
EDA/CAD Models
MM3Z18 Models
Product Attributes
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Category
Impedance (Max) (Zzt)
45 Ohms
Mfr
Current - Reverse Leakage @ Vr
100 nA @ 13 V
Packaging
Bulk
Voltage - Forward (Vf) (Max) @ If
1 V @ 10 mA
Part Status
Active
Operating Temperature
-50°C ~ 150°C (TJ)
Voltage - Zener (Nom) (Vz)
Mounting Type
Surface Mount
Tolerance
±5%
Package / Case
Power - Max
300 mW
Supplier Device Package
SOD-323F
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MM3Z18-AQDiotec Semiconductor04878-MM3Z18-AQ-ND$0.03614Parametric Equivalent
MM3Z18BDiotec Semiconductor04878-MM3Z18B-ND$0.16000Parametric Equivalent
BZX84JB18H RRGTaiwan Semiconductor Corporation01801-BZX84JB18HRRGTR-ND$0.21000Parametric Equivalent
In-Stock: 0
3,000 estimated in stock on 30-Nov-2026
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.16000$0.16
10$0.14900$1.49
25$0.14160$3.54
100$0.08090$8.09
250$0.05996$14.99
500$0.04978$24.89
1,000$0.03394$33.94
3,000$0.02885$86.55
6,000$0.02602$156.12
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.