Z2SMB18 is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.50000
Datasheet

Parametric Equivalent


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.16737
Datasheet

Parametric Equivalent


Panjit International Inc.
In Stock: 0
Unit Price: $0.59000
Datasheet
Zener Diode 18 V 2 W ±5% Surface Mount DO-214AA (SMB)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Zener Diode 18 V 2 W ±5% Surface Mount DO-214AA (SMB)
DO-214AA, SMB

Z2SMB18

DigiKey Part Number
4878-Z2SMB18TR-ND - Tape & Reel (TR)
4878-Z2SMB18CT-ND - Cut Tape (CT)
4878-Z2SMB18DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
Z2SMB18
Description
DIODE ZENER 18V 2W DO214AA
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Zener Diode 18 V 2 W ±5% Surface Mount DO-214AA (SMB)
Datasheet
 Datasheet
EDA/CAD Models
Z2SMB18 Models
Product Attributes
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Category
Impedance (Max) (Zzt)
6 Ohms
Mfr
Current - Reverse Leakage @ Vr
1 µA @ 13 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Operating Temperature
-50°C ~ 150°C (TJ)
Part Status
Active
Mounting Type
Surface Mount
Voltage - Zener (Nom) (Vz)
Package / Case
Tolerance
±5%
Supplier Device Package
DO-214AA (SMB)
Power - Max
2 W
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
Z2SMB18Diotec Semiconductor04878-Z2SMB18TR-ND$0.50000Parametric Equivalent
3SMBJ5931BQ-TPMCC (Micro Commercial Components)0353-3SMBJ5931BQ-TPTR-ND$0.16737Parametric Equivalent
1SMB3EZ18_R1_00001Panjit International Inc.03757-1SMB3EZ18_R1_00001TR-ND$0.59000Parametric Equivalent
In-Stock: 0
3,000 estimated in stock on 30-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.50000$0.50
10$0.32200$3.22
100$0.20600$20.60
500$0.18000$90.00
1,000$0.16200$162.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.13700$411.00
6,000$0.12000$720.00
9,000$0.10838$975.42