微型 SMB 连接器
用于 75 Ω 视频和广播应用的紧凑型射频解决方案
概述
Amphenol RF 的 Mini-SMB 连接器专为紧凑型 75 Ω 系统而设计，以方便的卡入式设计提供可靠的宽带性能。这些连接器专为广播、电缆和仪器仪表而优化，兼具易用性和精确的信号完整性，是空间受限安装的理想之选。
Mini-SMB 连接器提供直式和直角 PCB 及电缆安装配置，可在从测试设备到 12G 视频分配系统的各种应用中提供专业级性能。
特性和优点
- 精确的 75 Ω 阻抗：专为视频、广播和测试系统定制，确保信号反射最小化
- 卡入式快速连接：快速、免工具配接，适合频繁的现场重新配置
- 高频支持：处理频率高达 6 GHz，部分电缆组件可用于 12 GHz 视频
- 微型设计：体积小巧，适合密集布局，是模块化电子设备的理想选择
- 结构坚固：经久耐用的耦合机制，额定配接周期超过 500 次
主要技术细节
- 阻抗：75 Ω 标称阻抗，广播和视频组件的标准阻抗
- 频率范围直流-6 千兆赫；在广播级低损耗电缆上支持 12 千兆赫
- 耦合方式：推入式卡扣接头，用于快速装配
- 配接循环：≥ 500 次循环，以保持机械和电气性能
- 温度范围：-55 °C 至 +105 °C，取决于电缆和连接器配置
应用
- 广播和有线电视分配系统
- 12G 视频和高清信号路径
- 紧凑型射频仪器和现场测试装置
- 医疗和工业视频/音频模块
- 需要精确 75 Ω 射频互连的嵌入式系统
浏览我们完整的 Mini-SMB 产品线，包括电缆插头、PCB 插座、直角适配器和通过 12 GHz 认证的版本。如果您的项目需要定制电缆长度、特定电缆传输类型或增强的机械保持力，请联系我们的工程团队，我们将根据您的广播和测试需求量身定制连接器解决方案。
Specifications
Mini-SMB Connectors
Electrical
| Impedance | 75 Ohm |
| Frequency Range | DC - 2 GHz |
| Voltage Rating | 335 Volts RMS Continuous |
| Dielectric Withstanding Voltage | 750 VRMS Max |
| VSWR (Return Loss) | |
|
Straight DC - 2 GHz
|
1.33 (-17 dB) Max |
|
Right Angle DC - 2 GHz
|
1.43 (-15 dB) Max |
| Insulation Resistance | 1000 MΩ Min |
| Center Contact Resistance | 6 mΩ Max |
| Outer Contact Resistance | 1 mΩ Max |
| RF Leakage | 55 dB Max (DC - 2 GHz) |
| Insertion Loss | .1 √(f(GHz)) dB Max |
|
Straight 1.5 GHz
|
0.30 dB Max |
|
Right Angle 1.5 GHz
|
0.60 dB Max |
Environmental
| Temperature Range | −65°C to +165°C |
| Thermal Shock | MIL-STD-202, Method 107, Condition B |
| Corrosion | MIL-STD-202 Method 101 (Test Condition B) |
| Vibration | MIL-STD-202, Method 101, Condition B |
| Mechanical Shock | MIL-STD-202, Method 204, Condition D |
| Moisture Resistance | MIL-STD-202, Method 213, Condition B |
Mechanical
| Mating Cycles | 500 Min |
| Coupling Mechanism | Snap-On |
| Engagement Force | ≤ 14 lbs (62N) |
| Disengagement Force | > 2 lbs (9N) |
Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance.
Interface Dimensions
Plug
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Jack
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