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Surface Mount Low Profile Planar Transformer BOURNS PLN070 ED21A05S for Industrial Power Systems

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

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


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Company Changsha Purple Horn E-Commerce Co., Ltd.
Location 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person Sellina

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