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Product Detailed Parameters
- Description：XFMR 600CT / 1.2K, 300/300 TH
- Series：149
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：1.060" L x 0.820" W (26.92mm x 20.83mm)
- Height - Seated (Max)：0.820" (20.83mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：600CT
- Impedance - Secondary (Ohms)：1.2k, 300/300
- DC Resistance (DCR) - Primary：53Ohm
- DC Resistance (DCR) - Secondary：63Ohm
- Transformer Type：Economical Open Type
- Frequency Range：200Hz ~ 15kHz
- Frequency Response：±1dB
- Voltage - Isolation：-
- Insertion Loss：0.5dB
- Return Loss：-
- Power Level：1000mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 149V is an audio and signal transformer designed for open-frame printed circuit board mounting. It features a single-channel configuration with radial termination suitable for through-hole applications. The component operates within a frequency range of 200 Hz to 15 kHz. Electrical specifications include a primary impedance of 1.2 kΩ, with secondary options of 300/300 Ω or 600 CT. The unit measures 1.06 inches in length, 0.82 inches in width, and 0.82 inches in height.
Feature Summary
- Open-frame construction facilitates direct integration into custom circuit boards.
- Radial pin terminal design supports standard through-hole assembly processes.
- Single-channel architecture provides dedicated signal transformation capabilities.
Applications
- Audio signal level matching
- Impedance bridging in electronic circuits
- Signal isolation in audio equipment
Procurement Notes
Verify the specific secondary winding configuration required for the application, as the 149V series offers distinct impedance variations such as 300/300 ohms or 600 center-tapped variants. Confirm that the physical dimensions align with the available PCB space. Ensure the operating frequency range meets the system requirements before finalizing the procurement order.
Selection Notes
Select this component when a compact, single-channel audio transformer is needed for board-level integration. Consider the specific primary and secondary impedance values to ensure proper signal transfer and impedance matching. Evaluate the thermal and mechanical constraints of the open-frame design relative to the surrounding components on the circuit board.
Part Context
This part belongs to the Hammond Manufacturing 149 series of audio transformers. These components are engineered for professional audio and signal processing applications requiring reliable electromagnetic coupling. The series provides standardized form factors for consistent manufacturing integration across various electronic devices.
FAQ
What is the primary impedance of the 149V transformer?
The primary impedance is specified as 1.2 kΩ.
Does the 149V support center-tapped secondary configurations?
Yes, certain variants within the 149V designation offer a 600 CT (center-tapped) secondary option alongside other impedance configurations.
