Model No: GRM31CC72A475KE1
Murata Electronics GRM31CC72A475KE1
Manufacturer: Murata Electronics
SEMICON NO.: GRM31CC72A475KE1
Package: 1206 (3216 Metric)
Stock: In stock
Description: MLCC Capacitor 4.7 µF ±10% X7S
SEMICON NO.: GRM31CC72A475KE1
Package: 1206 (3216 Metric)
Stock: In stock
Description: MLCC Capacitor 4.7 µF ±10% X7S
Quantity :
| Mfr | Murata Electronics |
| Device Type | Multilayer Ceramic Chip Capacitor (MLCC) |
| Series | GRM Series (General Purpose) |
| Capacitance | 4.7 µF |
| Capacitance Tolerance | ±10% |
| Rated Voltage | 100 VDC |
| Temperature Coefficient / Dielectric | X7S |
| Capacitance Change Rate | ±22% |
| Operating Temperature | -55°C to +125°C |
| Package | 1206 (3216 Metric) |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
The GRM31CC72A475KE11K is a high-reliability multilayer ceramic capacitor (MLCC) manufactured by Murata Electronics, featuring a capacitance of 4.7µF with a ±10% tolerance and a robust 100V DC voltage rating in a compact 1206 (3216 metric) surface-mount package. This device employs an X7S temperature-characteristic dielectric that maintains capacitance within ±22% across an extended operating range of -55°C to +125°C, making it suitable for demanding automotive and industrial environments. The component measures 3.2mm in length, 1.6mm in width, and 1.6mm in thickness, with wraparound terminals ensuring reliable solder joint formation and mechanical stability.
Feature Highlights
● High Voltage Capability: Supports 100V DC continuous operation, enabling deployment in power circuits, DC-link applications, and voltage transient environments where standard lower-voltage MLCCs would be inadequate.
● X7S Temperature Stability: Maintains capacitance within ±22% across the full -55°C to +125°C temperature range, providing predictable performance in automotive under-hood and industrial high-temperature environments while offering improved voltage coefficient characteristics compared to X5R dielectrics.
● Space-Efficient Package: The 1206 form factor balances compact footprint with adequate capacitance density, measuring just 3.2mm × 1.6mm while delivering 4.7µF at 100V rating, optimizing board real estate utilization.
● Precision Tolerance: The ±10% (K tolerance) specification ensures tighter capacitance control compared to ±20% alternatives, critical for timing circuits, filters, and resonant applications requiring predictable component values.
FAQ
Q: What advantage does the X7S dielectric offer compared to X5R for high-voltage applications?
A: The X7S dielectric provides superior capacitance retention under DC bias conditions compared to X5R, meaning less capacitance loss when operating at high voltages, while maintaining similar temperature stability characteristics.
Q: How should PCB layout be optimized for this capacitor in DC-link applications?
A: Position the capacitor as close as possible to power semiconductor devices with minimal loop area between the capacitor and switching elements, using multiple vias for current distribution to minimize parasitic inductance and ensure effective high-frequency decoupling.
Alternative MLCC Models
1. TDK C3216X7S2A475K160AE: This 100V-rated X7S capacitor offers identical 4.7µF capacitance in the same 1206 package with equivalent temperature characteristics, providing a direct cross-platform alternative with established automotive qualification.
2. Samsung CL31B475KBHVHNE: This automotive-grade MLCC from Samsung Electro-Mechanics delivers 4.7µF at 100V with X7S dielectric in 1206 format, featuring enhanced voltage stability for demanding automotive power applications.
3. Taiyo Yuden UMK316AB7475KL: This high-reliability multilayer ceramic capacitor provides 4.7µF capacitance in the 1206 package with proven long-term stability, offering an alternative for industrial applications requiring consistent performance across temperature extremes.
Feature Highlights
● High Voltage Capability: Supports 100V DC continuous operation, enabling deployment in power circuits, DC-link applications, and voltage transient environments where standard lower-voltage MLCCs would be inadequate.
● X7S Temperature Stability: Maintains capacitance within ±22% across the full -55°C to +125°C temperature range, providing predictable performance in automotive under-hood and industrial high-temperature environments while offering improved voltage coefficient characteristics compared to X5R dielectrics.
● Space-Efficient Package: The 1206 form factor balances compact footprint with adequate capacitance density, measuring just 3.2mm × 1.6mm while delivering 4.7µF at 100V rating, optimizing board real estate utilization.
● Precision Tolerance: The ±10% (K tolerance) specification ensures tighter capacitance control compared to ±20% alternatives, critical for timing circuits, filters, and resonant applications requiring predictable component values.
FAQ
Q: What advantage does the X7S dielectric offer compared to X5R for high-voltage applications?
A: The X7S dielectric provides superior capacitance retention under DC bias conditions compared to X5R, meaning less capacitance loss when operating at high voltages, while maintaining similar temperature stability characteristics.
Q: How should PCB layout be optimized for this capacitor in DC-link applications?
A: Position the capacitor as close as possible to power semiconductor devices with minimal loop area between the capacitor and switching elements, using multiple vias for current distribution to minimize parasitic inductance and ensure effective high-frequency decoupling.
Alternative MLCC Models
1. TDK C3216X7S2A475K160AE: This 100V-rated X7S capacitor offers identical 4.7µF capacitance in the same 1206 package with equivalent temperature characteristics, providing a direct cross-platform alternative with established automotive qualification.
2. Samsung CL31B475KBHVHNE: This automotive-grade MLCC from Samsung Electro-Mechanics delivers 4.7µF at 100V with X7S dielectric in 1206 format, featuring enhanced voltage stability for demanding automotive power applications.
3. Taiyo Yuden UMK316AB7475KL: This high-reliability multilayer ceramic capacitor provides 4.7µF capacitance in the 1206 package with proven long-term stability, offering an alternative for industrial applications requiring consistent performance across temperature extremes.
