145R

Description：AUDIO XFMR 20K / 2KCT CHAS MNT
Series：145
Mfr：Hammond Manufacturing
Package：Bulk

SKU:63dcf5a8348b Category: Audio Transformers Brand: Hammond Manufacturing

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Product introduction

Product Detailed Parameters

Description：AUDIO XFMR 20K / 2KCT CHAS MNT
Series：145
Mfr：Hammond Manufacturing
Package：Bulk
Mounting Type：Chassis Mount
Size / Dimension：1.630" L x 0.880" W (41.40mm x 22.35mm)
Height - Seated (Max)：0.810" (20.57mm)
Termination Style：Wire Leads
Turns Ratio - Primary:Secondary：-
Impedance - Primary (Ohms)：20k
Impedance - Secondary (Ohms)：2kCT
DC Resistance (DCR) - Primary：1.18kOhm
DC Resistance (DCR) - Secondary：89Ohm
Transformer Type：Economical Open Type
Frequency Range：150Hz ~ 15kHz
Frequency Response：±1dB
Voltage - Isolation：-
Insertion Loss：-
Return Loss：-
Power Level：135mW
Operating Temperature：-
Approval Agency：-

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145R

Overview

The Hammond Manufacturing 145R is an audio transformer designed for chassis mounting, belonging to the 143-146 Series. It features a driver configuration with a primary impedance of 20,000 Ohms and a secondary impedance of 2,000 Ohms Center Tapped (CT). This component facilitates signal coupling in audio equipment applications.

Feature Summary

Chassis mount design for secure installation
Driver application configuration
Center tapped secondary winding

Applications

Audio equipment signal coupling
Chassis mounted amplifier stages
Transformer based audio circuits

Procurement Notes

Verify the specific impedance ratio and series designation against official Hammond Manufacturing datasheets before procurement. Confirm that the chassis mounting requirements align with your enclosure specifications. Ensure the component meets all relevant electrical standards for your intended audio application.

Selection Notes

Select this model when a driver transformer with 20k:2k CT impedance is required. Consider the physical dimensions and mounting style for chassis integration. Evaluate compatibility with existing circuit designs requiring this specific transformation ratio.

Part Context

Part of the 143-146 Series from Hammond Manufacturing, specializing in audio transformers. The 145R specifically addresses driver stage needs within audio systems, providing necessary impedance matching for optimal signal transfer in professional audio equipment contexts.

Replacement Considerations

Consult official Hammond Manufacturing documentation for confirmed substitute part numbers. Verify electrical equivalence and mechanical fit before considering alternatives.

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.