5PCS MI808-T11 PIN Diode RF Antenna Switch for TM-231
MI808-T11 PIN Diode for RF Power Switching & Antenna Switching – 5-Pack
Keep your mobile radio operating at peak performance with this 5-piece set of MI808-T11 PIN Diodes, engineered specifically for solid-state antenna switching in two-way mobile radios such as the TM-231 and TM-231A. Built in an alumina flat package, these surface-mount diodes are fully compatible with standard reflow assembly processes, making them an ideal drop-in replacement or upgrade component for RF technicians and radio enthusiasts.
Made in Mainland China.
Key Features
- High Power Handling: Rated for high-power antenna switching applications, including 10W output two-way radio systems.
- High Zero-Bias Resistance: Excellent signal isolation when the diode is in its off state, minimizing signal bleed-through.
- Low Forward-Bias Resistance: Efficient signal conduction when switched on, reducing energy loss in the RF path.
- Low Insertion Loss & High Isolation: Delivers clean RF signal routing with minimal interference between transmit and receive paths.
- Low Distortion: Maintains signal integrity across the operating frequency range for clear, reliable communications.
- Surface-Mount Design (Alumina Flat Package): Reflow-solderable construction ensures quick, reliable PCB installation and consistent electrical contact.
Specifications
| Part Number | MI808-T11 |
| Package Type | Alumina Flat Package (Surface Mount) |
| Application | Solid-State Antenna / RF Power Switching |
| Compatible Models | TM-231, TM-231A and similar mobile radios |
| Quantity | 5 Pieces per order |
| Assembly Method | Reflow Soldering (SMT) |
| Origin | Mainland China |
Applications
- High-power antenna switching in mobile two-way radios (up to 10W output)
- RF power switching circuits in amateur and commercial mobile transceivers
- Replacement component for TM-231 / TM-231A series radios
- General-purpose solid-state RF switching on SMT PCB assemblies
Why Choose the MI808-T11?
PIN diodes are the industry-standard choice for RF antenna switching because they offer fast switching speeds, excellent linearity, and robust power handling compared to mechanical relays or other semiconductor types. The MI808-T11's alumina flat package provides superior thermal stability and mechanical durability, making it a reliable choice for field repairs and workshop builds alike.
For authoritative guidance on RF component safety and electronic component handling, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What radios are compatible with the MI808-T11 PIN diode?
A: The MI808-T11 is designed as a direct replacement for the antenna switch circuit found in the TM-231 and TM-231A mobile radios. It is also suitable for other mobile transceivers that use a similar solid-state RF antenna switching design with surface-mount PIN diodes.
Q: How many diodes are included in this listing?
A: This listing includes a pack of 5 MI808-T11 PIN diodes, giving you spares for future repairs or for use across multiple units.
Q: What assembly method is required for the MI808-T11?
A: The MI808-T11 uses an alumina flat surface-mount package and is designed for reflow soldering assembly. It is compatible with standard SMT (surface-mount technology) reflow processes used in PCB repair and manufacturing.
Q: What is the power handling capability of the MI808 PIN diode?
A: The MI808 PIN diode is rated for high-power antenna switching applications, including two-way radio systems with up to 10W RF output power, making it well-suited for mobile radio repair and upgrade work.