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SP-21 The Triad Magnetics SP-21 is an audio transformer designed for high reliability applications. It features a 10k CT primary impedance and 2k CT secondary impedance.
Mfr Part #:

SP-21

Available from 1 distributors
Mfr Name: Triad Magnetics
Triad Magnetics
The Triad Magnetics SP-21 is an audio transformer designed for high reliability applications. It features a 10k CT primary impedance and 2k CT secondary impedance.
✓ Total Stock: 31 pcs
$ Price Range: $3.00

SP-21 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
31 pcs
On Request
31 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SP-21 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
DC Resistance
DC Resistance (DCR)
Frequency Range
Frequency Response
Height
Impedance
Length
Mounting Type
Operating Temperature
Power Level
Storage Temperature
Termination Style
Transformer Type
Turns Ratio
Voltage
Width
Working Voltage
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SP-21 Description

Short technical summary and product information.

The Triad Magnetics SP-21 is a high-reliability audio transformer designed for demanding applications. It offers a primary impedance of 10k CT and a secondary impedance of 2k CT, with a power level of 50mW.

 

This transformer operates within a temperature range of -40°C to 85°C and has a frequency response of ±2dB from 300 Hz to 100 kHz. It features a turns ratio of 2.24:1 and a DC resistance of 1.05kΩ in the primary and 330Ω in the secondary.

 

The SP-21 is constructed with plug-in terminals for fixed mounting centers and has a UL94 V-0 rated molded case. It utilizes gold-plated nickel alloy leads with a diameter of 0.020 inches. The mounting type is through hole, and the termination style is PC Pin.

 

This series meets RoHS 3 initiative requirements as of February 2016.

SP-21 Quick Information

Product Type: Audio Transformer
Series: Red Spec Series
Canonical Name: Audio Transformer SP-21
Subcategory: Audio Coupling

SP-21 Compliance

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

SP-21 Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

SP-21 Features

  • High reliability audio transformer.
  • 10k CT primary, 2k CT secondary impedance.
  • 50mW power level.
  • Wide frequency response 300Hz to 100kHz.
  • Through hole mounting with PC pins.

SP-21 Applications

  • Used in audio signal coupling circuits
  • Suitable for impedance matching in audio systems
  • Ideal for signal isolation in audio equipment
  • Designed for PCB mounting in audio devices

SP-21 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the primary impedance of the SP-21 audio transformer?

The primary impedance is 10k CT.

What is the secondary impedance of the SP-21 audio transformer?

The secondary impedance is 2k CT.

What is the power level rating for the SP-21 transformer?

The power level rating is 50mW.

What is the operating temperature range for the SP-21 transformer?

The operating temperature range is -40°C to 85°C.

What is the frequency response of the SP-21 audio transformer?

The frequency response is ±2dB from 300 Hz to 100 kHz.

How is the SP-21 transformer mounted?

The SP-21 transformer is mounted through hole.

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