UD2-4.5NU is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


KEMET
In Stock: 4,548
Unit Price: $1.77074
Datasheet

Parametric Equivalent


KEMET
In Stock: 800
Unit Price: $2.56000
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $1.60883
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $1.69609
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $1.56969
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $1.76943
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $1.60291
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $1.64239
Datasheet

Parametric Equivalent


KEMET
In Stock: 0
Unit Price: $2.64000
Datasheet
General Purpose Relay DPDT (2 Form C) Surface Mount
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
General Purpose Relay DPDT (2 Form C) Surface Mount
Relay Basics - Another Teaching Moment | DigiKey Electronics
How to Choose a Relay - Another Teaching Moment

UD2-4.5NU

DigiKey Part Number
UD2-4.5NU-ND
Manufacturer
Manufacturer Part Number
UD2-4.5NU
Description
RELAY GEN PURPOSE DPDT 1A 4.5V
Manufacturer Standard Lead Time
18 Weeks
Customer Reference
Detailed Description
General Purpose Relay DPDT (2 Form C) Surface Mount
Datasheet
 Datasheet
EDA/CAD Models
UD2-4.5NU Models
Product Attributes
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Category
Coil Type
Non Latching
Manufacturer
KEMET
Termination Style
Gull Wing
Series
Must Operate Voltage
3.38 VDC
Packaging
Tube
Must Release Voltage
0.45 VDC
Part Status
Active
Operate Time
2 ms
Mounting Type
Surface Mount
Release Time
1 ms
Coil Voltage
4.5VDC
Operating Temperature
-40°C ~ 85°C
Contact Form
DPDT (2 Form C)
Contact Material
Silver Alloy, Gold Alloy
Contact Rating (Current)
1 A
Approval Agency
CSA, TUV, UL
Switching Voltage
250VAC, 220VDC - Max
Relay Type
General Purpose
Load - Max Switching
250VA, 220W
Coil Resistance
145 Ohms
Coil Current
31 mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (9)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UD2-4.5NU-LKEMET4,5482266-UD2-4.5NU-LTR-ND$1.77074Parametric Equivalent
UB2-4.5NUN-LKEMET800399-UB2-4.5NUN-LTR-ND$2.56000Parametric Equivalent
EB2-4.5NUKEMET0EB2-4.5NU-ND$1.60883Parametric Equivalent
EB2-4.5NU-LKEMET0EB2-4.5NU-L-ND$1.69609Parametric Equivalent
UB2-4.5NUKEMET0UB2-4.5NU-ND$1.56969Parametric Equivalent
In-Stock: 0
50 estimated in stock on 22-Feb-2027
Request Stock Notification
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$2.53000$2.53
10$2.37600$23.76
25$2.11160$52.79
50$2.00620$100.31
100$1.90050$190.05
250$1.68936$422.34
500$1.58378$791.89
1,000$1.47820$1,478.20
5,000$1.42540$7,127.00
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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.