Shenzhen Bicheng Electronics Technology Co., Ltd
深圳市碧澄电子科技有限公司
+86-755-27374946
info@bicheng-enterprise.com
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RO4835 High Frequency PCB 2-layer 10mil

Shipped: 27th-MAR-2024  

1. Introduction of RO4835
Rogers' RO4835 laminate offers enhanced stability at high temperatures and is more resistant to oxidation than other hydrocarbon materials. RO4835 laminates share similar electrical and mechanical properties with RO4350B laminates and are designed for high frequency performance and cost-effective circuit fabrication. It uses standard epoxy/glass (FR-4) processes and is competitively priced.

 
RO4835 laminates are a low loss material that offer low cost circuit fabrication. These laminates are available with Rogers proprietary LoPro Reverse treated copper foil, ideal for applications requiring low insertion loss.
 
2. Features:
- RoHS compliant for applications requiring UL 94 V-0
- IPC-4103 compliant
- Dielectric constant (Dk) of 3.48 +/- .05
- Dissipation factor of 0.0037 at 10 GHz
- Glass Transition Temp (Tg) >280 °C TMA
- Coefficient of Thermal Expansion of 10 ppm/°C on X axis, 12 ppm/°C on Y axix, 31 ppm/°C on Z axis.
 
3. Benefits
- Significantly improved oxidation resistance compared to typical thermoset microwave materials
- Designed for performance sensitive, high volume applications.
- Low loss
>Excellent electrical performance allows application with higher operating frequencies.
> Ideal for automotive applications.
- Tight dielectric constant tolerance
> Controlled impedance transmission lines
- Lead-free process compatible
> No blistering or delamination
- Low Z-axis expansion
> Reliable plated through holes
- Low in-plane expansion coefficient
> Remains stable over an entire range of circuit processing temperatures
 
4. PCB Stackup: 2-layer rigid PCB
finished copper 35um
RO4835 dielectric 10 mil （0.254mm)
finished copper 35 um
 
5. Construction details:
- Board dimensions: 55.46mm x 41.5mm=1 PCS, +/- 0.15mm
- Minimum Trace/Space: 5/5 mils
- Minimum Hole Size: 0.4mm
- No blind or buried vias
- Finished board thickness: 0.3mm
- Finished Cu weight: 1 oz (1.4 mils) all layers
- Via plating thickness: 1 mil
- Surface finish: Immersion Gold
- Top Silkscreen: White
- Bottom Silkscreen: No
- Top Solder Mask: Blue
- Bottom Solder Mask: No
- No silkscreen on solder pads
- 100% Electrical test used
 
6. PCB Statistics:
Components: 27
Total Pads: 56
Thru Hole Pads: 34
Top SMT Pads: 21
Bottom SMT Pads: 0
Vias: 41
Nets: 2
 
7. Type of artwork supplied: Gerber RS-274-X
8. Accepted standard: IPC-Class-2
9. Service area: worldwide
 
10. Typical Applications
- Automotive Radar and Sensors
- Point-to point Microwave
- Power Amplifiers
- Phased - Array Radar
- RF Components
 
  PCBBACK TO MARCH
　

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