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Product Detailed Parameters
- Description：FIXED IND 68UH 176MA 3.3 OHM TH
- Series：1537R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：Molded
- Material - Core：Iron
- Inductance：68 µH
- Tolerance：±5%
- Current Rating (Amps)：176 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：3.3Ohm Max
- Q @ Freq：55 @ 2.5MHz
- Frequency - Self Resonant：11MHz
- Ratings：-
- Operating Temperature：-55°C ~ 105°C
- Inductance Frequency - Test：2.5 MHz
- Mounting Type：Through Hole
- Package / Case：Axial
- Supplier Device Package：-
- Size / Dimension：0.156" Dia x 0.375" L (3.96mm x 9.53mm)
- Height - Seated (Max)：-
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Overview
The Delevan 1537R-68J is a fixed, unshielded molded inductor with an inductance of 68 µH and a tolerance of ±5%. It features a maximum DC resistance of 3.3 Ohms and a rated current of 176 mA. The component utilizes an iron core and operates within a temperature range of -55°C to 105°C. Key electrical characteristics include a Q value of 55 at 2.5 MHz and a self-resonant frequency of 11 MHz. It employs axial leads for through-hole mounting.
Feature Summary
- Unshielded molded construction using an iron core
- Axial lead configuration for through-hole PCB mounting
- Established reliability performance suitable for RF applications
Applications
- RF circuit filtering
- Signal processing networks
- General-purpose electronic equipment requiring established reliability components
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm exact tolerance and parameter alignment. Ensure that any ordering suffixes do not imply functional changes unless explicitly stated in the source datasheet. Cross-reference part numbers with authorized distributors to confirm availability and compliance with current manufacturing standards.
Selection Notes
Select this component for designs requiring a 68 µH inductance with a 176 mA current rating. The unshielded design necessitates careful layout consideration to prevent magnetic interference with adjacent components. Verify that the operating environment remains within the specified -55°C to 105°C temperature range for optimal performance.
Part Context
This component belongs to the Delevan 1537R series, which consists of fixed, unshielded molded inductors. These parts are characterized by their axial lead format and iron core construction, designed for through-hole assembly. The series supports various inductance values while maintaining consistent physical dimensions and electrical testing frequencies.
Replacement Considerations
Consult official substitution guides for equivalent inductance and current ratings. Verify mechanical compatibility and electrical parameters such as DC resistance and self-resonant frequency before replacing.
