The **RG1-412N-R15** is a high-precision, automotive-grade thin-film chip resistor manufactured by **Susumu**. It belongs to the **RG series**, which is renowned for its ultra-reliability and long-term stability under harsh conditions. --- ### 1. Key Technical Specifications | Parameter | Specification | Details | | :--- | :--- | :--- | | **Resistance Value** | 41.2 kΩ | Indicated by "412" (412 x 10^2) | | **Tolerance** | ±0.05% | High precision (Code: N) | | **Power Rating** | 0.063W (1/16 W) | Standard for 0402 package | | **Case Size** | 0402 (1005 Metric) | 1.0mm x 0.5mm | | **Temp. Coefficient (TCR)** | ±15 ppm/°C | Low drift with temperature (Code: R15) | | **Max Voltage** | 25V | Operating voltage limit | | **Operating Temp** | -55°C to +155°C | Wide thermal range | --- ### 2. Core Features & Construction * **Thin-Film Technology:** Unlike standard thick-film resistors, thin-film (metal film) deposition allows for much tighter tolerances and significantly lower noise. * **Inorganic Passivation:** The resistor element is protected by a glass-like inorganic layer that prevents moisture ingress and sulfurization, a common cause of failure in industrial electronics. * **AEC-Q200 Compliant:** This part is qualified for automotive use, meaning it can withstand high vibration and thermal cycling. --- ### 3. Application Use Cases Because of its high precision (±0.05%) and low temperature drift (15 ppm/°C), the RG1-412N-R15 is typically used in: 1. **Automotive ECU (Electronic Control Units):** Precise sensor signal conditioning. 2. **Medical Equipment:** Monitoring devices requiring stable voltage dividers. 3. **Industrial Measurement:** High-end scales, test equipment, and data converters (ADC/DAC). 4. **Telecom Infrastructure:** Base stations where thermal stability is critical for signal integrity. --- ### 4. Part Number Breakdown ```text RG 1005 N - 412 - B - T5 | | | | | | | | | | | +-- Packaging (T5 = 5k reel) | | | | +------ Resistance Tolerance (B=0.1%, N=0.05%) | | | +----------- Resistance Value (412 = 41.2k) | | +---------------- TCR (N=10ppm, R=15ppm, P=25ppm) | +-------------------- Case Size (1005 Metric / 0402 Inch) +------------------------ Series Name (RG Series) ```