1540M03

Description：FIXED IND 125UH 2.75A 120MOHM TH
Series：1540
Mfr：Hammond Manufacturing
Package：Bulk

SKU:b784285ceb3f Category: Fixed Inductors Brand: Hammond Manufacturing

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Product introduction

Product Detailed Parameters

Description：FIXED IND 125UH 2.75A 120MOHM TH
Series：1540
Mfr：Hammond Manufacturing
Package：Bulk
Type：Toroidal
Material - Core：-
Inductance：125 µH
Tolerance：±15%
Current Rating (Amps)：2.75 A
Current - Saturation (Isat)：-
Shielding：Unshielded
DC Resistance (DCR)：120mOhm Max
Q @ Freq：-
Frequency - Self Resonant：-
Ratings：-
Operating Temperature：-
Inductance Frequency - Test：-
Mounting Type：Through Hole
Package / Case：Radial, Vertical (Open)
Supplier Device Package：-
Size / Dimension：0.875" Dia x 0.437" W (22.22mm x 11.10mm)
Height - Seated (Max)：-
Features：-

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1540M03

Overview

The Hammond Manufacturing 1540M03 is a high-current toroid inductor designed for heavy-duty RF choke applications. It features an inductance of 125uH and supports a DC current rating of 1.5A. The component is constructed as a leaded RF choke, suitable for EMI/RFI filtering and energy storage in switching power supplies. It has a minimum length of 0.5 inches.

Feature Summary

Designed for heavy-duty RF choke applications
Suitable for EMI and RFI filtering tasks
Capable of use as an energy storage inductor in switching power supplies

Applications

EMI/RFI filtering applications
Energy storage in switching power supplies
Heavy-duty RF chokes

Procurement Notes

Verify the specific part number 1540M03 against official Hammond Manufacturing datasheets to confirm electrical parameters such as 125uH inductance and 1.5A DC current rating. Ensure the component meets the required physical dimensions and lead type for your circuit design before finalizing procurement orders.

Selection Notes

Select this component when a high-current toroid inductor is required for RF chokes or power supply energy storage. Consider the 1.5A DC current limit and 125uH inductance value to ensure compatibility with your specific filtering or storage requirements.

Part Context

The 1540M03 belongs to the 1540 series of RF inductors from Hammond Manufacturing. This series focuses on providing robust components for industrial and commercial electronic applications requiring reliable inductive filtering and energy storage capabilities.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Hammond Manufacturing technical support or authorized distributors for verified cross-reference information if replacement is necessary.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.