640 × 512 Thermal Resolution
The 640 × 512 detector provides detailed thermal imagery for FPV navigation, aerial observation and heat-source detection.
Caddx Thermal 640CA Thermal Imaging Camera
Thermal Imaging Specifications
| Detector Type | Uncooled Vanadium Oxide (VOx) |
|---|---|
| Thermal Resolution | 640 × 512 |
| Pixel Pitch | 12μm |
| Spectral Range | 8–14μm Long-Wave Infrared |
| Thermal Sensitivity | NETD ≤40mK @ F1, 25°C |
| Frame Rate | 50fps |
| Lens | F1.0 / 9.1mm |
| Video Output | PAL Analog CVBS |
Electrical and Mechanical
| Supply Voltage | 9–24V DC |
|---|---|
| Power Consumption | Less than 1.5W |
| Reference Current | Approximately 120mA at 12V |
| Operating Temperature | −20°C to 60°C |
| Dimensions | 27 × 37 × 40mm |
| Weight | Approximately 61g |
| Connection | CVBS Video / GND / Power |
| Connector Cable | 3-Pin JST-SH1.25 Cable |
Features
Uncooled VOx Detector
The uncooled vanadium oxide detector delivers thermal imaging without requiring a mechanical cooling system.
12μm Pixel Pitch
The 12μm pixel pitch supports a compact detector design while maintaining detailed thermal-image reproduction.
≤40mK Thermal Sensitivity
High thermal sensitivity helps distinguish small temperature differences and display clearer thermal contrast.
50fps Real-Time Imaging
The 50fps frame rate provides smooth thermal video for moving FPV drones and real-time aerial observation.
9.1mm F1.0 Thermal Lens
The 9.1mm F1.0 lens collects long-wave infrared energy for thermal observation and FPV navigation.
Analog CVBS Output
PAL analog video output supports compatible analog FPV transmitters, displays and recording equipment.
Wide 9–24V Input
The wide DC input range supports integration with different FPV drone power systems and industrial platforms.
Technical Highlights
640 × 512 Thermal Imaging
The 640 × 512 thermal detector provides detailed infrared imagery, helping pilots identify heat sources, terrain features and objects in limited visible-light conditions.
Uncooled VOx Detector
The uncooled vanadium oxide detector operates without a cryogenic cooling system, supporting a compact structure, reduced power consumption and reliable FPV integration.
High Thermal Sensitivity
A NETD rating of ≤40mK allows the camera to distinguish small temperature differences and produce clearer contrast between objects and their surroundings.
50fps Real-Time Video
The 50fps frame rate provides smoother thermal video for moving aerial platforms, FPV navigation and real-time observation.
Long-Wave Infrared Detection
The 8–14μm spectral range detects long-wave infrared radiation emitted by objects, allowing imaging without relying on visible-light illumination.
Analog FPV Integration
PAL CVBS output and the three-wire power, ground and video connection simplify integration with compatible analog FPV video transmitters and displays.
Applications
Thermal imaging FPV drones
Low-light and nighttime navigation
Aerial heat-source observation
Search and rescue drone platforms
Industrial inspection drones
Perimeter and security observation
Custom unmanned aerial vehicles
OEM and ODM thermal imaging projects
Compatibility
Analog Video Transmitters
Compatible with analog FPV video transmitters that accept PAL CVBS video input.
Flight Controllers
Can be integrated with compatible flight controllers or video-routing boards that support analog camera input.
Displays and Recorders
Compatible with PAL analog displays, receivers and recording equipment through a suitable CVBS connection.
Power Systems
The published 640CA specification lists a 9–24V DC input range. Verify the regulated output voltage before connection.
FPV Platforms
Suitable for compatible multirotors, fixed-wing UAVs and custom unmanned aerial platforms with sufficient mounting space.
Mounting Space
The host platform should accommodate the 27 × 37 × 40mm camera body and approximately 61g camera weight.
Package Contents
1 × Caddx Thermal 640CA Camera
1 × 3-Pin JST-SH1.25 Connection Cable
FAQ
What is the Caddx Thermal 640CA?
The Caddx Thermal 640CA is an analog thermal imaging camera designed for compatible FPV drones, UAVs and aerial observation platforms.
What type of thermal detector does it use?
It uses an uncooled vanadium oxide, or VOx, thermal detector.
What is the thermal resolution?
The Caddx Thermal 640CA has a thermal resolution of 640 × 512 with a 12μm pixel pitch.
What spectral range does the camera detect?
The detector operates in the 8–14μm long-wave infrared spectral range.
What is the thermal sensitivity of the 640CA?
The listed NETD thermal sensitivity is ≤40mK at F1 and 25°C.
What lens does the camera use?
The 640CA uses a 9.1mm thermal lens with an F1.0 aperture.
What video signal does the camera output?
It outputs a PAL analog CVBS video signal for compatible analog FPV equipment.
What input voltage does the 640CA support?
The product-specific 640CA specification lists a 9–24V DC input range. Verify the current product revision and regulated output before wiring.
Can the camera operate without visible light?
Yes. It detects long-wave infrared energy emitted by objects and does not rely on conventional visible-light illumination.
Does the 640CA provide temperature measurement?
The supplied specification confirms thermal imaging but does not state that the camera provides calibrated radiometric temperature measurement.
What are the camera dimensions and weight?
The camera measures approximately 27 × 37 × 40mm and weighs approximately 61g.
B2B Procurement FAQ
Is the Caddx Thermal 640CA suitable for OEM UAV projects?
Yes. Its analog CVBS output, compact housing and wide input-voltage range support integration into compatible FPV drones and custom UAV platforms.
What should buyers confirm before placing a bulk order?
Confirm the exact model, product revision, detector resolution, lens focal length, voltage range, video format, connector pinout, dimensions and included accessories.
What information should be included in an RFQ?
Include the required quantity, UAV platform, power supply, analog VTX model, mounting method, application, destination and packaging or labeling requirements.
Can the camera be connected directly to an analog VTX?
It can be connected to a compatible PAL CVBS video transmitter when the video signal, ground, power voltage and connector pinout are correctly matched.
Is this a radiometric temperature-measurement camera?
Radiometric temperature measurement is not stated in the supplied specification. Buyers requiring calibrated temperature data should confirm this capability before ordering.
Is OEM, ODM or private labeling available?
Availability depends on order quantity and customization scope. Buyers should provide technical, branding, packaging and forecast-volume requirements for evaluation.
What documents should be requested for bulk procurement?
Request the latest specification sheet, user manual, connector pinout, revision record, inspection standard, packing list and applicable compliance documentation.
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