TRW UTC DO-T 37 Audio Transformer
The TRW UTC DO-T 37 is a miniature audio transformer designed to meet vintage military specifications, offering exceptional performance in audio signal isolation and impedance matching applications.
Key Features
- Compact Design: Engineered for space-constrained environments, the DO-T 37 features a hermetically sealed metal casing, ensuring durability and protection against environmental factors.
- High-Quality Construction: The transformer utilizes a rigid bobbin structure that eliminates stress and wire movement. Circular turns reduce corner stress, promoting uniform wire lay and enhancing reliability.
- Flexible Leads: Equipped with flexible 1.5-inch Dumet leads, gold-plated for superior conductivity and corrosion resistance.
- Wide Frequency Response: Designed to operate effectively across a broad frequency range, making it suitable for various audio applications.
- Military-Grade Specifications: Manufactured to meet MIL-T-27C specifications, ensuring high reliability and performance in demanding conditions.
Applications
The DO-T 37 is ideal for use in:
- Audio signal isolation
- Impedance matching
- Interstage coupling in audio equipment
- Military communication devices
Reliability
With its robust construction and adherence to military standards, the TRW UTC DO-T 37 audio transformer offers exceptional reliability and longevity, making it a trusted component in both vintage and modern audio systems.





















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