For Reference Only
| Part Number | TY-303P-B |
| LIXINC Part # | TY-303P-B |
| Manufacturer | Triad Magnetics |
| Category | Transformers › Audio Transformers |
| Description | TRANSF 4000 OHM PRI. 0MA DC TEL |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | TY-303P-B PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | TY-303P-B |
| Brand: | Triad Magnetics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Transformers |
| Subcategory: | Audio Transformers |
| Manufacturer: | Triad Magnetics |
| Series: | TY |
| Package: | Bulk |
| Part Status: | Active |
| Turns Ratio - Primary:Secondary: | 2.43:1 |
| Impedance - Primary (Ohms): | 4k |
| Impedance - Secondary (Ohms): | 600 |
| DC Resistance (DCR) - Primary: | 260Ohm |
| DC Resistance (DCR) - Secondary: | 52Ohm |
| Transformer Type: | Data/Voice Coupling |
| Frequency Range: | 300Hz ~ 3.5kHz |
| Frequency Response: | ±0.5dB |
| Voltage - Isolation: | 1500VAC |
| Insertion Loss: | 1dB Typ |
| Return Loss: | 26dB Typ |
| Power Level: | -45dB ~ 7dB |
| Operating Temperature: | -20°C ~ 85°C |
| Approval Agency: | - |
| Mounting Type: | Through Hole |
| Size / Dimension: | 0.812" L x 0.715" W (20.62mm x 18.16mm) |
| Height - Seated (Max): | 0.740" (18.80mm) |
| Termination Style: | PC Pin |
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| In Stock | 12055 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.07500 | $3.075 |
| 600 | $3.07500 | $1845 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.