Part Datasheet Review and Updates
3:28
Research.
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Searching web for: "Triad Magnetics TY-145P datasheet"
Found 10 results.
Checking if I can make the changes for you.
Looking for "Electrical Specifications at 25 C" in TY-145P.pdf
Looking for "Primary Impedance" in TY-145P.pdf
Looking for "Secondary Impedance" in TY-145P.pdf
Looking for "Output power mW" in TY-145P.pdf
Looking for "Primary DC unbalance" in TY-145P.pdf
Looking for "Frequency Response" in TY-145P.pdf
Looking for "Insertion loss" in TY-145P.pdf
Looking for "Dielectric strength" in TY-145P.pdf
Looking for "Operating Temperature" in TY-145P.pdf
Looking for "Impedance ratio or turns ratio" in TY-145P.pdf
Looking for "Pin connections or pinout" in TY-145P.pdf
Looking for "Schematic diagram of windings" in TY-145P.pdf
Looking for "Package dimensions" in TY-145P.pdf
Looking for "Mechanical Dimensions" in TY-145P.pdf
Looking for "Mounting centers" in TY-145P.pdf
Looking for "Termination style or pin style" in TY-145P.pdf
Looking for "Weight" in TY-145P.pdf
Looking for "Features" in TY-145P.pdf
Looking for "RoHS compliance or environmental" in TY-145P.pdf
Analyzing the schematic.
Analyzing the PCB layout.
Analyzing the PCB layout.
Here’s a complete review of the TY-145P part project, executed in order.
- Current project info (as found now)
- MPN: TY-145P
- Manufacturer: Triad Magnetics
- Designator prefix: T
- Pin count (symbol terminals present): 6
- Description (project): “2016 / Manufacturer Recommendations / Triad Magnetics”
- Footprint: Default footprint node present; six pads found (no geometry details exposed)
- Official datasheet located and ready to link
- Datasheet: https://catalog.triadmagnetics.com/Asset/TY-145P.pdf
- I’ve prepared a change to set the project property “Datasheet” to that URL.
- Datasheet extraction and summary
Electrical characteristics (25 C)
Table
| Parameter | Value |
|---|---|
| Primary impedance | 600 Ω CT ±15% with 600 Ω load |
| Secondary impedance | 600 Ω CT |
| Turns ratio | 1:1 |
| Output power | 100 mW |
| Primary DC unbalance | 15 mA |
| Frequency response | ±2 dB from 200 Hz to 15,000 Hz |
| Impedance matching | 10% over full frequency range |
| Longitudinal balance | > 45 dB |
| Insertion loss @ 1 kHz | 26 dB |
| THD | < 0.5% between 275 Hz and 3.5 kHz |
| DCR (primary 1–3) | 44 Ω nominal |
| DCR (secondary 4–6) | 58 Ω nominal |
| Dielectric strength | 1500 V primary-to-secondary-to-core |
Absolute maximum/limits and operating conditions
Table
| Category | Value |
|---|---|
| Operating temperature range | -40 C to +85 C |
| Primary DC unbalance limit | 15 mA |
| Dielectric strength (withstand) | 1500 V Pri–Sec–Core |
Pinout and functional description
Table
| Pin | Function | Notes |
|---|---|---|
| 1 | Primary end | Top row (datasheet shows 1–2–3 left-to-right) |
| 2 | Primary center tap (CT) | Top row |
| 3 | Primary end | Top row |
| 4 | Secondary end | Bottom row (shown 6–5–4 left-to-right) |
| 5 | Secondary center tap (CT) | Bottom row |
| 6 | Secondary end | Bottom row |
- Orientation: Pin 1 is marked with a dot on the bobbin flange.
Mechanical/package and mounting
Table
| Attribute | Value (inches) |
|---|---|
| Lead/hole spec | 0.060 DIA holes (through-hole) |
| Pin grid (per figure) | 0.187 and 0.187 spacing shown |
| Overall dims (key callouts) | .740 MAX, .812, .420, .700 MAX, .187 REF |
| Termination style | Plug-in PC-mount, rugged 0.042” square pins |
| Weight | 0.51 oz |
| Compliance | RoHS 3 (2015/863/EU) |
Special features
- PC-mount audio transformer suitable for line matching, telephone coupling, pulse trigger/driver, interstage, output, isolation, and input applications.
- 600 Ω CT:600 Ω CT, 1:1 ratio, 100 mW.
- Wide operating range: 200 Hz to 15 kHz, ±2 dB flatness in-band.
- Low insertion loss and THD; high return loss and longitudinal balance.
- Cross-check: symbol and footprint vs datasheet
Schematic symbol
- Pin count: 6 — OK (matches datasheet).
- Pin numbers present: 1–6 — OK.
- Center taps: Not explicitly labeled CT in the symbol terminals. Recommendation: label pin 2 as “PRI CT” and pin 5 as “SEC CT” to prevent wiring mistakes.
- Logical grouping/orientation: Your placement shows three pins on the left (1–2–3) and three on the right (4–5–6), which is a clear primary/secondary grouping and acceptable. Ensure the drawing’s pin-number ordering follows the datasheet convention (top row 1–2–3; bottom row 6–5–4) and add a pin-1 indicator on the symbol if not present.
Footprint
- Pad count: 6 — OK.
- Critical mechanical checks required (cannot be verified from current layout data):
- Finished drill size: set to 0.060 in (per datasheet).
- Pin grid/pitch: set both horizontal and vertical spacings to 0.187 in as shown.
- Row spacing and overall outline: align with the datasheet figure (notably up to .700 MAX overall in the relevant dimension).
- Pin 1 marking: include a clear pin-1 indicator on silkscreen and/or assembly layer.
- Ensure adequate annular ring and pad size per your fab rules to support 0.060 in drills and 0.042 in square leads.
- Action needed: update pad drills and exact pad locations to match the 0.187 in grid and provide a pin-1 marker. If you’d like, I can help formalize those pad coordinates and pad diameters.
Next step
- I’m ready to set the project’s Datasheet property to the official Triad PDF above. After that’s applied, we can update the symbol labels (CT pins) and finish the footprint geometry to lock alignment with the datasheet.
29 days
Ready.
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Reviews
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TY-145P
600CT Impedance Primary Ohms 600CT Impedance Secondary Ohms 1:1 Audio Transformer 200Hz ~ 15kHz Through Hole #Transformer #TY
Properties
TY-145P
Triad Magnetics
Transformer
T
Pricing & Availability
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Assets
kicad_mod
TY-145P
XFMR_TY-145P.kicad_modFootprint
TY-145P-thumb.png
TY-145P-thumbThumbnail
TY-145P
TY-145P TY-145P_0_0 Symbol.svgDefaultTY-145P
TY-145P.STEP3D ModelControls
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