Product Overview
The PLN Series Planar Transformers are designed for DC-DC transformer applications, offering power ratings from 48 to 70 watts. Utilizing a forward converter topology, these transformers feature low leakage inductance and a low-profile, surface-mount component design. They operate reliably within a temperature range of -40 C to +125 C and are RoHS compliant. Ideal for demanding applications such as PoE, industrial power systems, Switched-Mode Power Supplies (SMPS), LED lighting, and Battery Management Systems, the PLN Series provides efficient and compact power conversion solutions.
Product Attributes
- Brand: Bourns (implied by legal disclaimers and contact information)
- Compliance: RoHS compliant
Technical Specifications
| Specification | Value |
|---|---|
| Product Series | PLN Series |
| Topology | Forward converter |
| Power Rating | 48 to 70 watts |
| Leakage Inductance | Low |
| Profile | Low profile component |
| Mounting | Surface mount |
| Operating Temperature | -40 C to +125 C (Temperature Rise Included) |
| Storage Temperature with Packaging | -40 C to +85 C |
| Input Voltage | 33-57 VDC |
| Switching Frequency | 250 kHz |
| Volt-Time | 81.6 (V-sec.) |
| Moisture Sensitivity Level | 1 |
Model Specific Specifications
| Bourns Part Number | Primary Inductance (H) | Leakage Inductance (H) max. | DCR max. (m) | Turns ratio (Primary:Main Output) | Hi-Pot (Pri-Sec) (VDC) | Main Output |
|---|---|---|---|---|---|---|
| PLN048-ED21A12S | 90 | 0.290 | 80 | 1.33 : 1 | 1750 | 12 V / 4 A |
| PLN050-ED21A05S | 153 | 0.400 | 90 | 1.6 : 1 | 1750 | 5 V / 10 A |
| PLN070-ED21A05S | 150 | 0.600 | 78 | 1.6 : 1 | 1750 | 5 V / 14 A |
Product Dimensions (PLNXX-ED21AXXS)
| Dimension | Value (mm / inches) |
|---|---|
| Length | 26 0.5 (1.024 .02) |
| Width | 22.7 0.3 (.894 .012) |
| Height (Max.) | 20.6 (.811) |
| Pin Diameter | 0.64 (.025) |
| Pin Pitch | 2.5 0.2 (.098 .008) |
Additional Information
2411272146_BOURNS-PLN070-ED21A05S_C17215888.pdf
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