KTSC-902C SMT Ferrite Circulator Product Solution Recommendation

1. Product Overview
KTSC-902C is a high-performance shielded SMT surface-mount ferrite circulator developed by Kete Microwave (www.ketemicro.com). It adopts integrated metal shielding packaging, features compact structure, excellent temperature stability and consistent batch performance, which is optimized for X-band RF transceiver system isolation and signal duplexing application.

Frequency Specification
• Rated operating range: 9GHz ~ 11GHz, 10% relative bandwidth
• Popular full-band order version: 8.8GHz ~ 10.2GHz (massive customer procurement, fully covered within 9-11GHz rated range)

Exact Mechanical Dimension 
6.35mm × 4.0mm × 1.5mm (Length × Width × Height), 50Ω standard characteristic impedance, three-port SMT pad design for automatic PCB SMT mounting.

2. Core Electrical Performance Specification

2.1 Frequently Ordered Full Band (8.8-10.2GHz)
● Insertion Loss: ≤0.5dB
● Isolation: ≥20dB
● VSWR: ≤1.25
● Max Power Handling: 5-10W
● Operating Temperature: -55℃ ~ +85℃

2.2 Rated Band Index (within 9-11GHz, 10% relative bandwidth)
● Insertion Loss: ≤0.6dB
● Port Isolation: ≥18dB
● VSWR: ≤1.30
● Max Power Handling: 5-10W
● Operating Temperature: -55℃ ~ +85℃

3. Product Advantage & Feature
☆ Compact SMT Packaging: Miniature low-profile size, saves PCB layout space, compatible with reflow soldering mass production.
☆ Integrated Metal Shielding: Anti-external RF interference, enhance system anti-jamming capability for dense PCB module design.
☆ Reliable Narrowband Performance: Designed with 10% relative bandwidth for 9-11GHz main band, stable RF performance for customer designated frequency segments.
☆ High Consistency Batch Performance: Strict factory RF testing, each unit supplied with test report.
☆Wide Temperature Adaptability: Stable electrical index fluctuation under high/low temperature industrial working condition.

4.Typical Application Scenarios
☆ X-band RF transceiver front-end modules
☆ Point-to-point microwave communication equipment
☆ Industrial radar, short-range detection radar system
☆ Power amplifier duplex & signal isolation circuit
☆ Microwave test instrument, wireless sensing IoT device
☆ Civil & military customized 9-11GHz wireless radio units

             
5. Customer Solution Suggestion
1. Conventional project recommendation: Select 8.8-10.2GHz full-band version, which is our most frequently ordered version, sufficient stock of raw material, fast delivery and favorable bulk purchasing cost, fully compliant with 9-11GHz main specification.
2. Custom project recommendation: This model supports any working segment within 9-11GHz coverage with 10% relative bandwidth. We adjust internal ferrite parameters to match target frequency, no change on outer dimension, no PCB modification required.
3. Support drawing confirmation, sample testing, batch delivery and after-sales RF technical matching service for all 9-11GHz band demands.