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Product Detailed Parameters
- Description：AUDIO XFMR ENCAP 1+1 : 2+2
- Series：VTX-101
- Mfr：Vigortronix
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：1.083" L x 0.906" W (27.50mm x 23.00mm)
- Height - Seated (Max)：0.886" (22.50mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：150
- Impedance - Secondary (Ohms)：600
- DC Resistance (DCR) - Primary：10Ohm
- DC Resistance (DCR) - Secondary：55Ohm
- Transformer Type：Impedance Matching
- Frequency Range：30Hz ~ 35kHz
- Frequency Response：-
- Voltage - Isolation：1000Vrms
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The Vigortronix VTX-101-002 is an encapsulated audio transformer designed for through-hole PCB mounting. It features a primary impedance of 150 Ohms and a secondary impedance of 600 Ohms, providing a turns ratio of 1:2. The component operates within a frequency range of 30Hz to 35kHz. It offers 1KVac isolation voltage and includes an optional MU-metal can with a lid to minimize external interference.
Feature Summary
- Encapsulated construction for secure PCB mounting
- Optional MU-metal shielding to reduce external interference
- High-quality audio performance for signal integrity
Applications
- Microphone input circuitry
- Audio signal processing systems
- Impedance matching in audio equipment
Procurement Notes
Verify the specific variant requirements regarding the optional MU-metal can before ordering, as this affects physical dimensions and shielding capabilities. Confirm that the through-hole package style aligns with your PCB layout constraints. Ensure the 150/600 Ohm impedance configuration matches your circuit design specifications to prevent signal degradation or mismatch issues during integration.
Selection Notes
Select this component when a 1:2 step-up ratio is required for microphone preamplifier stages or similar audio interfaces. The 150 Ohm primary impedance suits low-impedance sources, while the 600 Ohm secondary matches standard line-level inputs. Consider the optional shielded version if electromagnetic interference is a concern in the operating environment.
Part Context
This part belongs to the Vigortronix VTX series of PCB-mounted audio transformers. These components are engineered for high-fidelity audio applications where signal purity and impedance transformation are critical. The series typically offers various impedance ratios and shielding options to accommodate diverse audio circuit designs.
Replacement Considerations
No direct public substitute part numbers are confirmed in the provided documentation. Verify compatibility by matching the 150/600 Ohm impedance ratio, 1:2 turns ratio, and through-hole footprint dimensions with alternative manufacturers' offerings.
