Resistor arrays/networks are integrated circuits containing multiple resistors in a single package. They provide precise resistance values and spatial efficiency in electronic systems. These components play a critical role in modern electronics by enabling voltage division, signal conditioning, and termination networks while reducing PCB footprint and assembly complexity.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Bussed Resistor Arrays | Common terminal connection for multiple resistors | Digital logic pull-up/pull-down networks |
| Isolated Resistor Networks | Electrically separated resistor elements | Analog signal conditioning circuits |
| Voltage Divider Arrays | Precisely matched resistor ratios | Sensor signal scaling in measurement systems |
| Termination Networks | High-precision impedance matching | High-speed data bus termination |
| Integrated EMI Filters | Combined resistive and capacitive elements | Noise suppression in communication interfaces |
Typical construction features:
| Parameter | Significance |
|---|---|
| Resistance Range | 0.1 to 10M (determines application suitability) |
| Power Rating | 50mW to 1W per element (thermal management factor) |
| Tolerance | 0.1% to 5% (precision level indicator) |
| TCR | 25ppm/ C to 100ppm/ C (temperature stability) |
| Insulation Resistance | 100M min (isolation performance) |
| Voltage Rating | 50V to 200V (safety and breakdown protection) |
| Manufacturer | Key Products |
|---|---|
| Vishay Precision Group | CRCW-HP series (high-precision thin-film) |
| Panasonic Electronic Devices | EX-H series (automotive-grade networks) |
| TT Electronics | WSL series (low-TCR power arrays) |
| ROHM Semiconductor | MNR series (miniaturized resistor networks) |
| Yageo Corporation | RCN series (high-voltage termination arrays) |
Current development directions include: