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25.4mm Hole Dia Pancake Slip Ring Ultra Low Resistance , Professional Solution
Description of P025 PCB Pancake Slip Ring
P025 series PCB slip ring has an inner diameter of 25.4mm and a thickness of 6mm (the thinnest can reach 5mm). The P025 series innovatively uses PCB substrate, ultra-hard gold plating treatment, and ultra-thick copper foil technology to support the mixed transmission of current and signal. It has the characteristics of high stability, low torque, low loss, maintenance-free, low electrical noise, and ultra-long lifespan.
Features of P025 PCB Pancake Slip Ring
1. Hole size:25.4,thickness:6mm;
2. Support 0~12 circuits power/signal;
3. Adopting fiber brush technology make sure reliable contact under very low friction ;
4. Low contact resistance, no friction debris;
5. Can be combined to transmit precision signal and supply power;
6. Precious metal brush ensure high stability and reliability.
| Mechanical Data | |
| spec | data |
| working life(Reference) | refer to slip ring grade table |
| Rotating speed | refer to slip ring grade table |
| working temp. | -30℃∼80℃ |
| work humidity | 0∼85% RH |
| contact material | refer to slip ring grade table |
| housing material | aluminum alloy |
| IP grade | IP51 |
| Electrical Data | ||
| spec | data | |
| power | signal | |
| voltage range | 0∼440VAC/VDC | 0∼440VAC/VDC |
| insulation resistance | ≥1000MΩ/500VDC | ≥1000MΩ/500VDC |
| lead wire spec. | AWG17# Silver-plated teflon | AWG22# Silver-plated teflon |
| lead wire length | standard 300mm (can be customized) | |
| Dielectric Strength | 500VAC@50Hz,60s | |
| Electrical noise | < 0.01Ω | |
| torque | 0.1N.m;+0.03N.m/6 circuits | |
Part no. description
Drawing of P025 PCB Pancake Slip Ring
Standard model list
| Model | 10A | signal/5A | Rings |
| P025-0310 | 3 | 0 | 3 |
| P025-0210-04S | 2 | 4 | 6 |
| P025-06S | 0 | 6 | 6 |
| P025-1210 | 12 | 0 | 12 |
| P025-0410-08S | 4 | 8 | 12 |
| P025-0810-04S | 8 | 4 | 12 |
| P025-03S | 0 | 3 | 3 |
| P025-0410-02S | 4 | 2 | 6 |
| P025-0610 | 6 | 0 | 6 |
| P025-0210-10S | 2 | 10 | 12 |
| P025-0610-06S | 6 | 6 | 12 |
| P025-12S | 0 | 1 | 12 |
*Remark:Circuits can be combined in parallel for bigger current,N circuits of 10A to get N*10A,such as 2 circuits of 10A in parallel for 20A use. if you need customize the hole size,OD,thickness,circuit no.
P025 PCB Pancake Slip Ring Grade Table
| Grade code | Max rotating speed | working life | contact material |
| C:standard | 100RPM | 5 millions revolutions | precious metal |
| D:industrical | 300RPM | 20 millions revolutions | gold-gold |
When you have a height restriction, a "pancake" slip rings - also called a "flat" or "platter" ring - could be the best solution. These slip ring units are based on a disc-shaped rotor, which is embedded with concentric grooves to carry the signal and power, with a brush block assembly mounted over the top to act as the stator. We can customize this type of slip ring from 4 to 50 channels, in any center bore size. Contacts use precious metals and operating speed depends on the number of channels and overall size of the slip ring.
