Contact Us
Semelab Limited
Coventry Road
Lutterworth
Leicestershire
LE17 4JB
Tel: +44(0)1455 552505
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A subsidiary of TT electronics plc.
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Terms and Conditions
Disclaimer
Semelab Ltd does not guarantee the accuracy of the content on this website.
Datasheets, specifications, and package drawings on this website are liable to change at any time, and without notice.
Semelab Ltd does not guarantee the accuracy or hold itself responsible for the content on any site linked to or from this website.
Products
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Group
Semelab is part of the TT electronics group.
TT electronics plc
TT electronics plc is a focused, global electronics company supplying the world's leading manufacturers in the automotive, defence, aerospace, telecommunications, computing and industrial electronics markets.
TT's continuing investment in modern manufacturing equipment and the development of new technologies is based upon understanding our customers' needs and providing solutions.
Through its divisions, TT electronics provides a comprehensive range of advanced technology, application-specific engineered solutions and standard products, supported by world-class manufacturing facilities and application engineering teams.
Worldwide manufacturing, engineering and sales support facilities include those in North America, Europe, the UK, Mexico, Barbados, Malaysia, Japan, Singapore, Hong Kong, India and China, with sales to major OEMs (original equipment manufacturers) /ODMs (original design manufacturers) and CEMs (contract electronic manufacturers) through manufacturers' representatives and the world's leading electronic distributors.
Individual divisions of TT electronics specialise in visible and infrared LED components; optoelectronic, potentiometric and magnetic sensors; microcircuits and hybrids; fixed and variable resistors and resistor networks; resistive heaters and thermal management substrates; potentiometers and trimmers; and magnetic components. As a combined company, TT electronics can serve as a single-vendor source for this wide range of standard products, as well as application-specific technologies to develop innovative custom solutions tailored to meet customer requirements.
About Us
TT electronics Semelab manufacture ultra reliable high performance semiconductor solutions designed to operate in any environment.
We research, design, manufacture and distribute an innovative range of semiconductor products throughout the world.
We are experts in custom packaging and screening, servicing aerospace, space, defence, medical, automotive and industrial markets.
Our R&D teams have an excellent track record for developing imaginative electronic solutions and our design engineers have created a wealth of high performance products.
Our manufacturing divisions have ensured supreme quality and reliability. And our sales teams and distribution partners have opened international markets to some of the best electronics solutions available.
Our Mission Statement
To offer value added, innovative semiconductor engineering solutions that exceed our worldwide customer’s expectations, resulting in long term loyalty and benefits to all stakeholders.
Screening & Qualifications
Hi-Rel Processing
Capabilities
Semelab are specialists in hi-rel products.
We have more than 30 years experience in supplying products to military and hi-rel specs.
We hold quality approvals from major international standards organisations.
Semelab can supply fully qualified & approved devices to DSCC, CECC, BS, and ESA specificationsWe can supply further products processed exactly in accordance with CECC, BS, CV specifications via in-house process specifications. Discrete products are also available processed to the MIL-PRF-19500 flows to give a viable European alternative source for popular types.
Almost any customer specification for product inspection and screening can be supported.
Download Quality Documents
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QR204
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MIL
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CEC
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BS
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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JQR -A
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-B
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TXV
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TX
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A
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B
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C
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D
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|
A
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B
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C
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D
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| Pre-cap Visual |
Y
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Y
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|
Y
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Y
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Y
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Y
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| High Temp Storage |
Y
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Y
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Y
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Y
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Y
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Y
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Y
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|
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Y
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Y
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Y
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| Temperature Cycle |
20 cycles
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20 cycles
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20 cycles
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20 cycles
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5 cycles
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5 cycles
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5 cycles
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10 cycles
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10 cycles
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10 cycles
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| Constant Acceleration |
Y
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Y
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Y
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Y
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Y
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Y
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Y
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|
|
Y
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Y
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Y
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| Fine Leak test |
Y
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Y
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Y
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Y
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Y
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Y
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Y
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|
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Y
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Y
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Y
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| Gross Leak Test |
Y
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Y
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Y
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Y
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Y
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Y
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Y
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Y
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Y
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Y
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| Variables Electrical test |
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?
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?
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Y
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Y
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| Attributes Electrical tests |
Y
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Y
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Y
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Y
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Y
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Y
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|
|
Y
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Y
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Y
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| Burn-In (HTRB) |
O
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O
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O
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O
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168 hrs*
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72 hrs*
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48 hrs*
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160 hrs*
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72 hrs*
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48 hrs*
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48 hrs*
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| Variables Electrical test |
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?
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?
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| Attributes Electrical tests |
Y
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Y
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Y
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Y
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| Burn-In (Power) |
160 hrs
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160 hrs
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160 hrs
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160 hrs
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168 hrs*
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72 hrs*
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48 hrs*
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160 hrs*
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72 hrs*
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48 hrs*
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48 hrs*
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| Variables Electrical test |
|
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?
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?
|
Y
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|
|
Y
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|
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| Attributes Electrical tests |
Y
|
Y
|
Y
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Y
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|
Y
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Y
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Y
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|
|
Y
|
Y
|
Y
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| Radiographic tests |
|
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Y
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| Key | |
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Y ? O * |
Test performed Test performed if required by device detail specification 24 hours for PNP devices. 48 hours for NPN devices High Temp Reverse Bias for Case rated devices Power Burn-in for Ambient rated Devices |
| QR204: | Screening carried out in accordance with QR204 |
|---|---|
| MIL: | Screening carried out in accordance with MIL-PRF-19500 (Table 2) |
| CECC: | Screening carried out in accordance with CECC 50000 Appendix 6 |
| BS: | Screening carried out in accordance with BS9300 section 1.2.10 |