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Travelling Wave Tubes Testing - TWT Testing

Discover Our Range

Comprehensive Range of Electronic Parts

BSL Express offers a wide variety of electronic active components, including military and avionic tubes, microwave tubes (such as magnetrons, klystron amplifiers, travelling wave tubes, and backward wave oscillators). As well as stocking British components, we also stock European and American parts, semiconductors, and integrated circuits, including those no longer manufactured, all NATO coded. We hold spares for most communication, broadcast, defense systems, navigation aids, radar systems, data links, and industrial instrumentation. Where applicable, we can locate solid-state valve equivalents and transistor equivalents.

Delve Into Our Stockpile

Why Choose Us

BSL Express have over 15,200 NATO codified products for the UK and overseas defence industries

01

Unmatched Inventory and Sourcing Capabilities

BSL Express boasts one of the world’s largest and most diverse stocks of active and passive components, including hard-to-find and obsolete parts. Our extensive inventory ensures that we can meet your needs quickly. If we don’t have it in stock, our powerful proprietary database allows us to source genuine parts from the open market at competitive prices.

02

Commitment to Quality and Integrity

Our commitment to integrity is demonstrated through our adherence to laws, regulations, ethical conduct, and mutual respect in all operations. Our high standards are maintained by a dedicated Quality Policy established by the Board. You can trust BSL Express to provide reliable and ethically sourced components, ensuring your projects meet the highest standards of quality and compliance.

03

Comprehensive Range and Exclusive Solutions

From active components like military and avionic tubes to solid-state replacements for thermionic valves, BSL Express covers a wide array of electronic parts. Our extensive range includes both British, European and American parts, all NATO coded, making us a preferred supplier for defense and civilian applications alike.

Manufacturing components to AS9100D

Defense and Civilian Use

BSL Express stocks passive components for defense and civilian equipment. Our database offers the best alternatives if original parts are unavailable.

Comprehensive Service

We cover all material needs from our inventory or commercial sources. If not in stock, we find genuine parts at competitive prices.

Our Speciality

Supplying hard-to-get obsolete parts is a specialty of BSL Express Spares. With a cross-reference of over 1.5 million part numbers and an intimate knowledge of manufacturers and distributors, we have an enviable record of sourcing even the most challenging parts.

Large Inventory

BSL maintains one of the largest stocks of active components and passive components.