📌 Product Overview
The XL-IRM0038M is a miniaturized infrared receiver head designed for signal demodulation in remote control systems. 💡 It integrates a high-speed PIN photodiode and a high-gain preamplifier IC into a compact epoxy resin package, specifically a semi-circular "straw hat" shape. This component is primarily utilized to capture infrared signals at a standard carrier frequency of 37.9 kHz.
Target applications range from household consumer electronics like air conditioners and set-top boxes to industrial instrumentation and automotive multimedia systems. 👇 The design focuses on minimizing power consumption while maintaining wide-angle reception capabilities, making it suitable for battery-operated remote controls and embedded sensing devices.
🔌 Typical Applications
Based on the electrical characteristics and 2.7–5.5V operating range, this module fits a broad spectrum of circuit designs.
Key Application Areas:
- Consumer Appliances: Integrated into control panels for air conditioners, fans, heaters, and humidifiers.
- Multimedia Systems: Used in televisions, DVD players, set-top boxes, and vehicle-mounted mobile DVD units.
- Industrial & Peripheral: Supports data reception in computers, peripheral equipment, and industrial automation instrumentation.
- Specialized Electronics: Applicable in remote-controlled toys, communication devices, financial electronics, and induction sanitaryware.
⚙️ Key Technical Specifications
The performance of the XL-IRM0038M is defined by its ability to handle specific carrier frequencies while maintaining low power usage.
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.7 | - | 5.5 | V | Recommended Operating Range |
| Carrier Frequency | f₀ | - | 37.9 | - | kHz | - |
| BPF Width | fBW | - | 6 | - | kHz | Band Pass Filter Width |
| Working Current | ICC | 0.3 | 0.4 | 0.5 | mA | VDD = 5V |
| Reception Distance (L) | L | 6 | 8 | - | m | 0° incidence angle |
| Reception Distance | L | 5 | 6 | - | m | Left/Right 35° angle |
Additional Timing Logic:
- Low Level Output: Max 250mV (Isink=2.0mA)
- High Level Output: Min 4.5V (VCC=5V)
- Compatibility: Direct interface with TTL and CMOS logic levels (Low active).
⚠️ Absolute Maximum Ratings & Process Limits
To ensure reliability during PCB assembly and operation, these electrical and thermal stress limits must not be exceeded.
| Parameter | Symbol | Rating | Unit | Notes |
|---|---|---|---|---|
| Supply Voltage | VDD | 6.0 | V | Continuous operation |
| Operating Temp. | Topr | -20 ~ +85 | °C | Ambient temperature |
| Storage Temp. | Tstg | -40 ~ +125 | °C | Non-operating |
| Wave Soldering | Tsol | 240 | °C | ≤ 6 seconds duration |
| Manual Welding | Tsol | 300 | °C | ≤ 3 seconds duration |
💡 Engineers should note the narrow window for wave soldering to prevent thermal degradation of the internal IC.
📦 Package, Dimensions & Assembly Notes
The component uses a specific epoxy molding technique to shield against environmental interference.
- Package Type: Epoxy plastic sealed, semi-circular spherical (Straw hat style).
- Shielding: Features dual shielding (internal and external) to withstand environmental light interference.
- Dimensions: Diameter 5.0mm x Height 6.0mm + Pin Length 22mm.
- Assembly: The pin length (22mm) suggests compatibility with standard through-hole PCB layouts.
🚢 Sourcing & Supply Considerations
When integrating the XL-IRM0038M into BOMs, procurement teams should verify the environmental compliance and supply consistency.
- Environmental Compliance: The product is certified by REACH and ROHS, ensuring suitability for international markets.
- Supply Authenticity: Verify shielding quality upon receipt, as the dual shielding design is critical for performance in noisy environments.
- Availability: Check lead times for specific pin lengths if customization is required for specific chassis depths.
❓ Frequently Asked Questions
Q: What is the standard carrier frequency for this module?
A: The XL-IRM0038M is tuned for a typical carrier frequency of 37.9 kHz with a Band Pass Filter (BPF) width of 6 kHz.
Q: Can this receiver be used in battery-operated devices?
A: Yes, it features low power consumption with a working current of 0.4mA (typical) and supports a wide voltage range from 2.7V to 5.5V.
Q: What are the soldering temperature limits for mass production?
A: For wave soldering, the limit is 240°C for a maximum of 6 seconds. For manual welding, do not exceed 300°C for more than 3 seconds.
Q: Does the output require a logic inverter?
A: No, the output is Low Level Active (Active Low), which matches standard TTL and CMOS logic levels directly.
Q: What is the effective reception angle?
A: The datasheet specifies reception distances up to 8m at 0° and approximately 6m at ±35° angles.
Q: Is the XL-IRM0038M ROHS compliant?
A: Yes, XINGLIGHT confirms this model has passed REACH and ROHS certification as an environmentally friendly product.
