SP-20 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Triad Magnetics
In Stock: 0
Unit Price: $14.09108
Datasheet

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Tamura
In Stock: 0
Unit Price: $9.78745
10kCT Impedance Primary Ohms 1.2kCT Impedance Secondary Ohms 2.88:1 Audio Transformer 300Hz ~ 100kHz Through Hole
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

SP-20

DigiKey Part Number
237-1140-ND
Manufacturer
Manufacturer Product Number
SP-20
Description
AUDIO XFMR 10KCT / 1.2KCT TH
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
10kCT Impedance Primary Ohms 1.2kCT Impedance Secondary Ohms 2.88:1 Audio Transformer 300Hz ~ 100kHz Through Hole
Datasheet
 Datasheet
EDA/CAD Models
SP-20 Models
Product Attributes
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Category
Transformer Type
Audio Coupling
Manufacturer
Triad Magnetics
Frequency Range
300Hz ~ 100kHz
Series
Frequency Response
±2dB
Packaging
Bulk
Voltage - Isolation
1000VRMS @ 1 Second
Part Status
Active
Power Level
50mW
Turns Ratio - Primary:Secondary
2.88:1
Operating Temperature
-40°C ~ 85°C
Impedance - Primary (Ohms)
10kCT
Mounting Type
Through Hole
Impedance - Secondary (Ohms)
1.2kCT
Size / Dimension
0.410" L x 0.310" W (10.41mm x 7.87mm)
DC Resistance (DCR) - Primary
1.05kOhm
Height - Seated (Max)
0.465" (11.80mm)
DC Resistance (DCR) - Secondary
200Ohm
Termination Style
PC Pin
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SP-20-BTriad Magnetics0SP-20-B-ND$14.09108Direct
MET-14Tamura0MET-14-ND$9.78745Similar
In-Stock: 0
1 expected in stock on 21-Jan-2027
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Marketplace Stock: 100 View Now
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$17.90000$17.90
10$16.12400$161.24
25$15.46120$386.53
50$14.97520$748.76
100$14.50280$1,450.28
250$13.89860$3,474.65
500$13.45668$6,728.34
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.

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