ER1840-28JM

$15.74

Description：FIXED IND 8.2UH 520MA 440MOHM TH
Series：ER1840
Mfr：Delevan
Package：Tape & Reel (TR)

SKU:dca7585b67f5 Category: Fixed Inductors Brand: Delevan

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Product introduction

ER1840-28JM is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Delevan. Its product description is FIXED IND 8.2UH 520MA 440MOHM TH. Review the specifications below when checking this part for your BOM.

Fixed Inductors specifications for ER1840-28JM

Description：FIXED IND 8.2UH 520MA 440MOHM TH
Series：ER1840
Mfr：Delevan
Package：Tape & Reel (TR)
Type：Molded
Material - Core：Iron
Inductance：8.2 µH
Tolerance：±5%
Current Rating (Amps)：520 mA
Current - Saturation (Isat)：-
Shielding：Unshielded
DC Resistance (DCR)：440mOhm Max
Q @ Freq：30 @ 7.9MHz
Frequency - Self Resonant：48MHz
Ratings：-
Operating Temperature：-55°C ~ 105°C
Inductance Frequency - Test：7.9 MHz
Mounting Type：Through Hole
Package / Case：Axial
Supplier Device Package：-
Size / Dimension：0.187" Dia x 0.437" L (4.75mm x 11.10mm)
Height - Seated (Max)：-

Fixed Inductors datasheet and documents for ER1840-28JM

ER1840-28JM

Fixed Inductors Overview

The Delevan ER1840-28JM is an unshielded axial leaded RF inductor from the Established Reliability series. It features a nominal inductance of 0.43 µH with a tolerance of 5%. The component has a maximum DC resistance of 0.25 ohms and operates at a rated current of 520 mA. Physical dimensions include a length of 11.1 mm and a diameter of 4.75 mm. Designed for PCB mount applications, it utilizes standard axial terminations.

Fixed Inductors Feature Summary

Unshielded molded construction for radio frequency applications
Axial leaded termination style for through-hole mounting
Established reliability design for consistent performance

Fixed Inductors Applications

RF circuit filtering
Impedance matching networks
Radio frequency signal processing

Fixed Inductors Procurement Notes

Verify the specific electrical parameters against the official manufacturer datasheet before procurement. Confirm that the 0.43 µH inductance and 0.25 ohm DCR values match the design requirements. Ensure the axial package dimensions are compatible with the target PCB layout. Check for any RoHS compliance status if required by the manufacturing process.

Fixed Inductors Selection Notes

Select this component when a low-value, high-stability RF inductor is required for through-hole assembly. The unshielded design may require careful placement to minimize electromagnetic interference with nearby components. Verify that the 520 mA current rating meets the operational demands of the specific circuit application.

Fixed Inductors Part Context

This part belongs to the Delevan ER1840 series of established reliability RF inductors. The series offers various inductance values in a standardized axial package format. These components are designed for robust performance in demanding radio frequency environments.

Fixed Inductors Replacement Considerations

Cross-reference with other Delevan ER1840 variants for different inductance values. Verify compatibility with alternative manufacturers offering similar axial RF inductors, ensuring identical inductance, tolerance, and physical dimensions.