ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：XFMR 1.2K-25K / 1.5-15 CHAS MNT
- Series：125
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：2.060" L x 1.250" W (52.32mm x 31.75mm)
- Height - Seated (Max)：1.190" (30.23mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：1.2k ~ 25k
- Impedance - Secondary (Ohms)：1.5 ~ 15
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：General Purpose
- Frequency Range：150Hz ~ 15kHz
- Frequency Response：±1dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：3W
- Operating Temperature：-
- Approval Agency：-
Download product information
Overview
The Hammond Manufacturing 125A is a universal push-pull tube output audio transformer designed for general-purpose applications. It features a single channel with terminal end connections and operates within a frequency range of 150 Hz to 15 kHz. The unit has a power rating of 3 W and an inductance of 14.94 H. Primary coil impedance is 25 kOhms, while secondary coil impedance is 15 Ohms. The component is unshielded and measures 2.06 inches in length, 1.25 inches in width, and 1.19 inches in height.
Feature Summary
- Designed for general-purpose or replacement use in push-pull tube output circuits
- Features open style construction with minimum 5-inch long primary leads
- Includes secondary solder lugs for convenient secondary connections
Applications
- Push-pull tube output circuits
- General purpose audio transformer applications
- Replacement use in tube amplifier designs
Procurement Notes
Verify the specific datasheet version and manufacturer documentation to confirm electrical parameters such as impedance and frequency response match your circuit requirements. Ensure that the terminal connection type aligns with your assembly process. Cross-reference the physical dimensions against your enclosure design to guarantee proper fitment. Confirm RoHS compliance status if required by your manufacturing standards before finalizing procurement decisions.
Selection Notes
Select this model when a universal push-pull tube output transformer is needed for general-purpose audio applications. Consider the 125SE series if single-ended operation is required instead. Evaluate the open-style construction and lead lengths against your wiring constraints. Compare the 25 kOhm primary and 15 Ohm secondary impedances with your tube plate-to-plate and speaker load requirements to ensure proper matching.
Part Context
The 125A belongs to the 125A-125E Series of push-pull tube audio output transformers from Hammond Manufacturing. This series is engineered for versatility and includes variants like the 125H and 125J with different lead configurations. These components are part of a broader line of audio transformers designed for tube-based audio equipment, offering standardized impedance options for common amplifier topologies.
Replacement Considerations
- 125B
- 125C
- 125D
- 125E
FAQ
Is the 125A suitable for single-ended applications?
No, the 125A is designed for push-pull tube output circuits. For single-ended use, the 125SE Series is recommended.
What is the frequency response of the 125A transformer?
The 125A provides a frequency response of 150 Hz to 15 kHz at full rated power.
