آر اف (فرکانس رادیویی) و بی‌سیم آنتن‌ آر اف

Product Attributes

Introduction

860 - 930MHz Embedded Helical Antenna 860 - 930MHz impedance: 50 ohms Plastic-supported helical antenna Length: 29.5 mm Gain: 2 dBi PCB surface mount Compliant with RoHS standard

Applications:

• 868MHz and 915MHz ISM band systems
• Internet of Things (IoT) systems
• Metering and automation
• Security and surveillance
• Remote controls and toys

Electrical specifications:

• Antenna type: Helical monopole
• Frequency: 860 - 930MHz
• Nominal impedance: 50Ω
• VSWR: Max. 2.5
• Radiation pattern: Omnidirectional
• Gain: 2 dBi
• Efficiency: 65%
• Polarization: Linear
• Power handling: 2W

Mechanical specifications:

• Total length: 29.5 mm
• Weight: 2.52 g
• Antenna color/material: White
• Fixing system: Surface mount + glue
• Recommended glue: Resinlab EP1320LV black
• Solder paste thickness: Min. 0.15 mm
• MSL: 3

Fixing system recommendations:

1. SMD process
2. Solder paste thickness: Min. 0.15 mm
3. Glue is required. Recommended glue: Resinlab EP1320LV black. See the recommended area below for the usage method and position.

PWB layout for W3136 SMD helical antenna:

• PWB ground isolation area (top): 40X9.5 mm
• PWB ground isolation area (bottom): 40X9.5 mm
• PWB pad size on the top copper foil
• Pulse PWB size: 121X40 mm, thickness 1.0 mm. Other sizes of boards can be used according to customer requirements.

Reflow soldering process recommendations:

• The recommended thickness of the solder paste stencil is 0.15 - 0.25 mm.
• The maximum soldering temperature should not exceed 260℃.
• See Figures 1 and 2 for the recommended temperature profile during the reflow soldering process.
• Heating method: Controlled hot air convection
• Average temperature gradient during preheating: 2.5 ℃/s
• Soaking time: 2 - 3 minutes
• Maximum temperature gradient during reflow: 3 ℃/s
• Time above 217 ℃: Max. 30 seconds
• Reflow peak temperature: 230 ℃ for 10 seconds
• Temperature gradient during cooling: Max. -5 ℃/s

Packaging:

• Total number of pieces: 230 PCS
• Reel: 13/44
• Packaging quantity: 200 PCS
• The cumulative tolerance of 10 side holes shall not exceed ±0.2 mm
• Material specification: PS black anti-static, thickness 0.50 mm
• Packaging length of 13-inch (100) reel: 4.6 m (Front air bag length: 0.33 m, Part packaging length: 4 m, Rear empty packaging length: 0.33 m)
• Total number of components in 13-inch (100) reel packaging: 230 (Front air bag quantity: 15, Actual packaged part quantity: 200, Rear empty packaging quantity: 15)
• There are 200 PCS in total in the reel
• Reel size: 330MM [13 inches]
• There are 2 reels in each packaging box
• Packaging box size: 350X350X120 mm

Applications

• 868MHz and 915MHz ISM band systems
• IoT systems
• Metering, automation
• Security, surveillance
• Remote control, toys