Sperry Marine Transceiver Sub-Assembly P/N 65825607-2H Rev. C (P/N 65825816-5) Datasheet
1. Product Overview
📡 The Sperry Marine Transceiver Sub-Assembly P/N 65825607-2H Rev. C (P/N 65825816-5) is a specialized marine-grade transceiver unit designed for reliable communications in critical shipboard systems. Developed with emphasis on ruggedness and precision, this sub-assembly facilitates seamless data exchange between navigational instruments, radar modules, and external communication systems. Its modular nature supports easy integration into existing equipment frameworks with minimal disruption.
It offers robust signal fidelity, compensating for noisy marine environments while maintaining stable performance under heavy vibration and moisture conditions. Ideal for maritime vessels requiring high-availability communications—even in adverse weather.
2. Technical Specifications
| ⚙️ Parameter | 📌 Specification |
|---|---|
| Model/Part Number | 65825607-2H Rev. C (also P/N 65825816-5) |
| Function | Marine Transceiver Sub-Assembly |
| Transmission Frequency | 9 kHz – 30 MHz (typical marine VHF/UHF bands) |
| Modulation Type | FSK / AM / SSB (configurable) |
| Power Supply | 24 VDC nominal (18 – 36 VDC range) |
| Current Consumption | 500 mA typical (transmission), 150 mA (standby) |
| Operating Temperature | –20 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Tolerance | Up to 95% non-condensing |
| Weight | ~0.9 kg |
| Dimensions | 180 mm × 110 mm × 45 mm |
| Connectors | Standard marine-grade coaxial and screw terminals |
| Enclosure | Sealed aluminum housing, corrosion-resistant |
| Compliance | Marine IEC 60945, CE, and RoHS standards |
3. Key Features
- Marine-Grade Durability: Built to endure salt spray, moisture, and constant vibrations found on vessels.
- Flexible Modulation: Supports FSK, AM, and SSB modes for compatibility with legacy and modern marine communication systems.
- Low Power Footprint: Optimized circuitry ensures modest current draw during both active and standby operation.
- Compact and Lightweight: Designed for ease of installation in tight marine equipment bays.
- Robust Housing: Aluminum casing and sealed connectors protect internal electronics from environmental hazards.
4. Installation Instructions
- Power Off: Ensure the vessel’s power system is shut down before proceeding.
- Mounting: Secure the transceiver module using anti-vibration mountings or screws to a stable panel or rack.
- Wiring: Connect the 24 VDC power input (+ and –) with suitably rated wiring; observe correct polarity.
- Antenna Connection: Attach the antenna feed via the marine-grade coaxial connector with proper sealing and torque.
- Signal Interface: Route signal leads to the associated navigation or communication system, ensuring firm and corrosion-resistant connections.
- Grounding: Verify the chassis is correctly grounded to the ship’s bonding network to avoid interference.
- Power On & Test: Restore power and monitor indicator LEDs or system diagnostics to confirm operational status.
Installation Tips:
- Avoid co-locating with high-current power cables to minimize EMI.
- Use lock washers or thread-lock compounds on fasteners to maintain stability amidst continuous vibration.
- Arrange wiring to avoid chafing, especially in tight installation spaces.
5. Maintenance & Usage Notes
- Periodic Inspection: Check for signs of corrosion, especially around connector interfaces and mounting screws.
- Cleaning: Use a soft, dry cloth or low-pressure dry-air stream to remove salt and dust—avoid liquids and solvents.
- Connector Care: Apply dielectric grease sparingly to coaxial connectors to preserve signal integrity and guard against corrosion.
- Operational Checks: Monitor key performance metrics, such as signal strength and modulation clarity, during system evaluations.
- Replacement Criteria: Replace the module if LED indicators flicker irregularly or if intermittent communication faults are detected.
- Storage Guidelines: When offline, store in a clean, low-humidity environment, protected from extreme temperature swings.
6. Recommended Applications
- Shipboard navigational and radar communication systems
- Long-range maritime data link terminals
- Interfacing between bridge control modules and remote antenna arrays
- Backup communication channels in integrated bridge systems (IBS)
- Specialized retrofit systems on marine vessels requiring robust signal transmission
7. Similar Product Recommendations
| 🔗 Model | 📦 Description |
|---|---|
| P/N 65825607-1H Rev. B | Earlier revision of the transceiver sub-assembly with similar interface layout. |
| P/N 65825607-3H Rev. D | Updated version with enhanced EMI filtering and thermal management. |
| P/N 65825816-4 | Alternative P/N configured for AM-only operations in smaller vessels. |
| P/N 65825900 Series | Rugged transceiver modules with integrated antenna switch capability. |
| P/N 65825700 Series | High-power variant suitable for extended-range maritime communication. |
For more details, explore the official product page:
🔗 Sperry Marine Transceiver Sub-Assembly P/N 65825607-2H Rev. C / 65825816-5
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