# TX1287 Pulse Electronics Network | Transformers | DigiKey

**Manufacturer:** Pulse Electronics Network  
**MPN:** `TX1287`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Pulse Electronics Network |
| Manufacturer name | Pulse Electronics Network |
| Manufacturer | Pulse Electronics Network, Pulse |
| DimensionUnit | inch |
| Extra Product Name | TX1287 Pulse Electronics Network \| Transformers \| DigiKey |
| Weight | 0.04 |
| WeightUnit | oz |
| Weight_Attrib | Weight |
| atoms | 1 |
| extraShipping | 0 |
| height | 0.245 |
| height_Attrib | Height - Seated (Max) |
| moq | 1 |
| MPN | TX1287 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 754291 |
| snippet | 1.2mH, 1.2mH T1/E1 (Dual) Pulse Transformer 1CT:2.42CT, 1CT:2.42CT Surface Mount |
| Part Number | TX1287 |
| Product Group | BISS |
| Category | Transformers |
| Mfr | Pulse Electronics Network |
| Series | - |
| Package | Bulk |
| Product Status | Active |
| Transformer Type | T1/E1 (Dual) |
| Inductance | 1.2mH, 1.2mH |
| ET (Volt-Time) | - |
| Turns Ratio - Primary:Secondary | 1CT:2.42CT, 1CT:2.42CT |
| Mounting Type | Surface Mount |
| Size / Dimension | 0.505" L x 0.280" W (12.83mm x 7.11mm) |
| Height - Seated (Max) | 0.245" (6.22mm) |
| Operating Temperature | -40?C ~ 85?C |
| Asin | B005T8B8XG, B0137LBG0G, B0137LECFM, B0137LHYHA, B0137LM8ZS |
| Brand | Pulse |
| Case | 1, 10, 100, 5, 50 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 306506011, 306767011 |
| Feature | <b>Price For:</b> Pack of 1 <b>Manufacturer</b>: Pulse <b>Product Category</b>: Transformers Audio & Signal <b>RoHS</b>: No <b>Brand</b>: Pulse <b>Primary Impedance</b>: 0.7 Ohms, 0.7 Ohms <b>Isolatio |
| Label | Pulse |
| Man | Pulse |
| NumberOfItems | 1, 10, 100, 5, 50 |
| PackageQuantity | 1, 10, 100, 5, 50 |
| PartNumber | TX1287 |
| ProductGroup | BISS |
| ProductTypeName | BISS |
| Publisher | Pulse |
| Size | 1 pack, 10 pack, 100 pack, 5 pack, 50 pack |
| Studio | Pulse |
| Title | Transformers Audio & Signal T1/E1 XFMR DUAL BH (1 piece), Transformers Audio & Signal T1/E1 XFMR DUAL BH (10 pieces), Transformers Audio & Signal T1/E1 XFMR DUAL BH (100 pieces), Transformers Audio &  |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 754291 |  |  | None | 1 |
| Mouser | 673-TX1287 | 5.71 | 1 | 508 | 1 |
| Onlinecomponents.com | TX1287 | 2.45 | 1 | None | 160 |

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Structured data: `/python/html6/product/500/37500000/37975500/part_--TX1287---PulseElectronicsNetwork--c05a3d012d.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp