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Specifications
Mfr. Part #:
PH9085.011NLT
Package:
SMD-6P,8.1x7.1mm
Key Attributes
Model Number:
PH9085.011NLT
Product Description
Pulse Electronics PH9085.XXXNL and PM2180.XXXNL Isolation Power Transformers
Product Overview
The Pulse Electronics PH9085.XXXNL and PM2180.XXXNL series are high isolation power supply transformer drivers designed for fixed duty cycle Push-Pull topologies. These SMD toroidal transformers offer a low-cost solution for delivering up to 2W from a low voltage source, suitable for applications like isolated RS-485/RS-232 power supply driver circuits. The design is compatible with the Maxim MAX253 IC. With a 2.5KVrms isolation rating (380Vrms continuous), these transformers are ideal for applications requiring robust electrical isolation.Product Attributes
- Brand: Pulse Electronics
- Platform: Toroid Platform
- Mounting Type: SMD (Surface Mount Device)
- Certifications (PM2180.XXXNL only): AEC-Q200, IATF16949
- Packaging: Tape & Reel, Tray
Technical Specifications
| Part Number | Inductance (1-3) (H 35%) | Leakage Inductance (1-3) with (4-6) shorted (H MAX) | Capacitance (1, 2, 3) to (4, 5, 6) (pF MAX) | DCR (1-3) ( MAX) | DCR (4-6) ( MAX) | ET MAX (1-3) (V-sec Max) | Turns Ratio (1:3) (6:4) | Isolated Voltage (Vrms) |
|---|---|---|---|---|---|---|---|---|
| PH9085.011NL / PM2180.011NL | 1020 | 0.8 | 30 | 0.60 | 0.65 | 22 | 1CT : 1CT | 2500 |
| PH9085.012NL / PM2180.012NL | 1020 | 0.6 | 40 | 0.85 | 1.60 | 22 | 1CT : 2CT | 2500 |
| PH9085.021NL / PM2180.021NL | 1160 | 1.6 | 20 | 0.60 | 0.35 | 23.6 | 2CT : 1CT | 2500 |
| PH9085.034NL / PM2180.034NL | 1020 | 0.6 | 40 | 0.60 | 0.75 | 22 | 3CT : 4CT | 2500 |
| PH9085.035NL / PM2180.035NL | 1020 | 0.6 | 40 | 0.80 | 1.20 | 22 | 3CT : 5CT | 2500 |
| PH9085.038NL / PM2180.038NL | 1020 | 0.7 | 40 | 0.85 | 2.00 | 22 | 3CT : 8CT | 2500 |
| PH9085.043NL / PM2180.043NL | 1160 | 0.8 | 30 | 0.60 | 0.50 | 23.6 | 4CT : 3CT | 2500 |
| PH9085.083NL / PM2180.083NL | 1160 | 2.0 | 15 | 0.60 | 0.30 | 23.6 | 8CT : 3CT | 2500 |
| PH9085.089NL / PM2180.089NL | 1160 | 0.6 | 40 | 0.60 | 0.70 | 23.6 | 8CT : 9CT | 2500 |
| Specification | Value |
|---|---|
| Operating Temperature | -40C to +125C |
| Weight | 0.365 grams |
| Reel Quantity | 700/reel |
| Tray Quantity | 55/tray |
| Continuous Isolation Voltage | 380Vrms |
| Functional Insulation | Yes |
| Topology Compatibility | Push Pull Converter |
| Power Output (Typical) | Up to 2W |
| Dimensions Tolerance | 0.25 mm |
Notes:
- ET Max is calculated to limit core loss and temperature rise at 420KHz based on a bipolar flux swing of 210mT Peak.
- For Push-Pull topology, ET needs to be derated by 50% for the same flux swing.
- Applied ET may need further derating for higher frequencies based on temperature rise from core and copper losses.
- Continuous isolation voltage confirmed by 125C/1000hrs accelerated aging with bias voltage applied between primary and secondary windings.
Tape & Reel Information:
| Part Number Suffix | Reel Size (mm) | Tape Size (mm) | Qty/Reel |
|---|---|---|---|
| T / T | 330 | 16.4 | 700 |
2410010203_PULSE-PH9085-011NLT_C6147296.pdf
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