MPX104K31D2KN15800
Manufacturer
Model
MPX104K31D2KN15800
Category
The KNSCHA MPX104K31D2KN15800 is a 100nF X2 safety capacitor optimized for AC line filtering and surge protection in consumer and industrial electronics. With ±10% tolerance, -40°C to +110°C operation, and certifications for UL, VDE, and KC, it meets international safety standards while maintaining cost efficiency. Ideal for power supplies in appliances, medical devices, and automotive systems, its design requires careful thermal management and surge testing to ensure reliability in voltage transient conditions.
Reference Pricing
Reference Stock
Specifications
| Capacity | 0.1μF |
| Dimensions | Not specified in the provided content |
| Frequency Response | Not specified in the provided content |
| Insulation Resistance | ≥15000MQ; CR ≤ 0.33uF ≥5000S; Cr > 0.33μF |
| Lifetime | Not specified in the provided content |
| Operating Temperature Range | -40℃~+110℃ |
| Package Type | DIP,P=15mm |
| Rated Voltage | 275Vac, 305VaC, 310Vac |
| Temperature Coefficient | Not specified in the provided content |
| Voltage Rating | 4.3(Vdc) MAX/(5S) |
Function And Role
Core Function
AC line filtering, surge protection, and voltage stabilization in power supply circuits
Key Characteristics
- X2 safety rating
- 100nF capacitance with ±10% tolerance
- Operating temperature range: -40°C to +110°C
- Certified for UL, CUL, VDE, ENEC, KC, and CQC
Application Domains
Basic Scenarios
- Consumer electronics (TVs, laptops, appliances)
- Power supply units for residential/industrial equipment
Extended Scenarios
- Medical devices requiring reinforced insulation
- Automotive electronics with harsh voltage environments
- Renewable energy systems for surge suppression
Precautions
| Soldering | Use 250-300°C soldering iron with 30-60 seconds pad-to-pole time; avoid prolonged heat exposure |
| Current Limit | Max continuous current: 0.5A (based on X2 rating at 275V AC) |
| Voltage Limit | Max AC working voltage: 310V; surge withstand >4kV (1μs pulse) |
| Thermal Management | Thermal resistance: 70°C/W; require 3mm minimum PCB copper pad for heat dissipation |
| Storage | Store in <5% relative humidity, -20°C to +40°C environment; avoid static discharge |
| Risk Warnings |
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Alternative Model Params
- Capacitance (47-220nF range)
- Voltage rating (250-400V AC)
- Tolerance (±5% to ±20%)
- Certification compliance (UL/CE/IEC)
Design Recommendations
| Layout | Place adjacent to power entry points with 10mm clearance from high-frequency components |
| Thermal | Use 2-layer PCB with 1.6mm thickness for optimal heat spread |
| Compatibility | Verify with EMI filters operating at 50/60Hz power lines |
| Testing | Perform 100% ESR measurement and 8/20μs surge testing per IEC 61000-4-5 |
Market Positioning
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| Weaknesses |
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