Sreada Push-Pull Connectors
Sreada manufacturers a range of low-cost, high-quality Lemo and Hirose compatible connectors. Lemo and Hirose-style connectors are often selected for their push-pull coupling mechanism which allows quick, easy mating and un-mating.
These are precision engineered, small-format, low-current, multi-pole, push-pull connectors. The affordability of our Sreada versions makes them more cost effective for use in general industry as well as traditional areas such as on medical and test equipment.
- Industrial Control
- Information Systems
- Public Sector
- Test Equipment
Independently Tested in Australia
Despite being lower cost, Sreada connectors are engineered to a very high standard from excellent quality materials. Connector-Tech ALS recently had some independent tests performed in Australia and the following is a brief summary of the results:
• Sreada versions mate well with other brands such as Lemo and Hirose
• Good continuity when mating Sreada with Sreada
• Good continuity when mating Lemo with Sreada
• Good continuous current handling capability
The test engineer's subjective impression of the overall quality of these low-cost Lemo and Hirose equivalents is also positive.
Mating Cycles and Contact Gold Thickness
Mating cycle testing of Sreada connectors with their standard gold plate thickness has shown no serious wear after 5,000 cycles which greatly surpasses the requirements of many customers.
The standard gold thickness for all Sreada contacts is 0.1532μm however they can also readily provide 0.5μm or 1.0μm thicknesses (similar to Lemo) at a moderate price increase, on request.
The SRD001 connectors are the Sreada equivalent of Lemo push-pull connectors which are excellent for applications requiring frequent/rapid connections and separations such as general electronics, instrumentation, video processing, medical and other equipment.
Here is a simple way to cross-reference from the Lemo version to the Sreada part – only the first letter of the entire part number changes:
The SRD002 connectors are equivalent to the Hirose HR10-series. This series has a lower profile in comparison to the Lemo style SRD001-series and has a five keyway design. They are often used in applications such as general electronics, instrumentation, video processing, medical and other equipment.
Sreada and Hirose part numbers are the same except for the shell size and contact style parts of the code as follows:
|Sreada Shell||Hirose Shell|
|Sreada Contact||Hirose Contact|
|S = Solder||Blank = Solder|
|C = Crimp||C = Crimp|
|P = PCB||A = PCB Plug|
|B = PCB Receptacle|
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When ordering a connector it is not always as simple matter of determining between 'male' and 'female' because this can refer to both the housing gender and the contact gender. Many manufacturers offer a given housing gender with both pin and socket. A common example of such confusion occurs in the Deutsch Industrial DT range, where the plug (or male connector) actually contains socket (or female) contacts. For this reason please specify both the contact and housing gender at the time of order.
The IP Rating of a connector or accessory relates to the degree of ingress protection provided by that component. The first digit of the code relates to the degree of protection against access to hazardous parts (conductors etc) and against solid foreign objects. The second digit refers to the degree of protection against the ingress of water. For two examples of this system, consider the most commonly seen IP ratings in our products: IP44 and IP67. IP44 4: Protection from solid objects ≤1mm | 4: Protection against splashing water IP67 6: Protection from dust-sized objects | 7: Protection against immersion in water at depth of 1m for 30mins A complete guide to all IP Ratings is available here.
These terms are used by Phase 3 and ITT Veam on their high-current connectors.The source is considered the half of the connection from which the power is sourced; or the half supplying the electrical power. In an emergency power application, the generator is the source and would be fitted with Panel Source (panel-mount) connectors, a Panel Source Powersafe Box, or Line Source (inline) connectors on pigtails. The drain is the half of the connection which drains the power from the source. In the same emergency power application described above, the network receiving the emergency power supply is the drain and would be fitted with Line Drain connectors, Panel Drain connectors or a Panel Drain Powersafe Box.
We commonly deal with both American Wire Gauge (AWG) and square millimetre (mm2) dimensions as the units used by manufacturers can vary. To convert between measurements please refer this conversion chart.