描述
MacDermid Alpha Micromax 1108 100MΩ/sq High Voltage Resistor Paste
Type: High Voltage Resistor Paste
Pack: 100G / 1000G
Resistivity: 100MΩ/sq
Viscosity: 80-120 Pa.s
Firing: 850°C / 30 min
Shelf Life: 6 months
MacDermid Alpha Micromax 1108 delivers 100MΩ/sq ultra-high resistivity with superior TCR and excellent VCR behavior — engineered for high voltage variable resistor applications with 850°C fast firing and co-fireable termination compatibility.
MacDermid Alpha Micromax 1108 is a high voltage thick film resistor paste specifically developed for variable resistor and high voltage resistor network applications. This grade offers 100MΩ/sq ultra-high resistivity with superior TCR performance and excellent VCR behavior for stable resistance across voltage variations. The material provides excellent blend behavior with adjacent 110X series members and is co-fireable with terminations.
This high voltage resistor paste is optimized for 18-22 μm dried film thickness using 1.0mm × 1.0mm resistor geometry. It supports drying at 150°C and firing at 850°C peak temperature with a 30-minute total cycle. Compatible with Micromax 6130 Ag/Pd conductor terminations. Standard packaging options are 100G and 1000G.
Genuine MacDermid Alpha Micromax Imported Stock and Technical Support
We maintain stable inventory of authentic MacDermid Alpha Micromax 1108 high voltage thick film resistor paste. Factory-original TDS and batch-specific COA can be provided upon request for high voltage resistor manufacturing projects.
Request Sample, TDS & Quotation
Complete TDS, COA, and regulatory documentation available
Core Advantages of MacDermid Alpha Micromax 1108
- 100MΩ/sq ultra-high resistivity — highest resistance member in the 110X series
- Superior TCR performance — stable resistance across temperature variations
- Excellent VCR behavior — consistent resistance under voltage stress
- Co-fireable with terminations — supports Micromax 6130 Ag/Pd conductor co-firing
- Excellent blend behavior — broad resistance tuning with 110X series members
- Fast firing profile — 850°C peak with 30-minute total cycle for high throughput
- High voltage capability — suitable for demanding ultra-high voltage applications
- Excellent load life stability — reliable performance under extended operating conditions
Main Applications
- Variable Resistors — ultra-high resistance variable resistor applications
- High Voltage Resistor Networks — precision high voltage divider networks
- Hybrid Circuits — thick film resistor elements in hybrid microcircuits
- Automotive Electronics — high voltage resistor components for automotive systems
Full Technical Parameters
| Property | Typical Value | Test / Reference |
| Product Type | High voltage thick film resistor paste | — |
| Application | Variable resistor | — |
| Packaging Specification | 100G, 1000G | Standard packing |
| Resistivity | 100MΩ/sq | 1.0mm × 1.0mm geometry |
| Viscosity (Brookfield RVT 10 rpm) | 80-120 Pa.s | SC4-14/6R, 25°C |
| Recommended Film Thickness | 18-22 μm | Dried thickness |
| Leveling Time | 5-10 min | Room temperature |
| Drying Temperature | 150°C | 10-15 minutes |
| Firing Peak Temperature | 850°C | 10 min at peak, 30 min total |
| Resistor Geometry | 1.0mm × 1.0mm | — |
| Load Life 1000hr | -0.5% ΔR | Irreversible |
| STOL 1000V 5sec | -0.2% ΔR | 1000V, 5sec |
| STOL 1000V 10sec | -0.1% ΔR | 1000V, 10sec |
| Pulsed Voltage Stability | -0.1% ΔR | 1kV, 100 pulses, 1.5mm×1.5mm |
| TCR Performance | Superior | — |
| VCR Behavior | Excellent | 30V/300V |
| Termination Compatibility | Micromax 6130 Ag/Pd conductor | — |
| Substrate Compatibility | 96% alumina | — |
| Blendability | Excellent blend behavior with 110X series | — |
| Shelf Life | 6 months in unopened containers | — |
| Storage Temperature | 5-30°C | — |
Note: All listed values are typical and may vary by batch. Independent qualification testing is required prior to production use.
Recommended Processing Conditions
| Parameter | Recommended Value |
| Mixing Prior to Use | Slow gentle hand-stirring, 1-2 minutes |
| Optimal Printing Temperature | 20-23°C |
| Leveling Time | 5-10 minutes |
| Drying Temperature | 150°C |
| Drying Time | 10-15 minutes |
| Dried Film Thickness | 18-22 μm |
| Resistor Geometry | 1.0mm × 1.0mm |
| Firing Peak Temperature | 850°C |
| Total Firing Cycle | 30 minutes (10 min at peak) |
| Substrate | 96% alumina |
| Termination | Micromax 6130 Ag/Pd conductor |
Handling and Storage Recommendations
| Storage Rules | Store in tightly sealed containers in clean, stable environment at 5-30°C. |
| Shelf Life | 6 months in unopened containers from date of shipment. |
| Pre-use Preparation | Thoroughly mix prior to use. Some settling may occur. |
| Thinning | Not normally required; use Micromax 4553 thinner sparingly for evaporative losses. |
Official Technical Documentation
| Document Type | Document Introduction | Document Request |
| TDS | MacDermid Alpha Micromax 1108 original factory technical data sheet | Request TDS |
| COA | Batch-specific certificate of analysis | Request COA |
| SDS | Safety Data Sheet for handling and storage | Request SDS |
Frequently Asked Questions
What is MacDermid Alpha Micromax 1108?
MacDermid Alpha Micromax 1108 is a high voltage thick film resistor paste with 100MΩ/sq resistivity. It offers superior TCR, excellent VCR behavior, and is co-fireable with terminations for high voltage variable resistor applications.
What is the resistivity of Micromax 1108?
Micromax 1108 offers 100MΩ/sq resistivity, making it suitable for ultra-high resistance and high voltage thick film resistor applications.
What is the viscosity of Micromax 1108?
Micromax 1108 has a viscosity range of 80-120 Pa.s (Brookfield RVT, SC4-14/6R, 10 rpm, 25°C).
What is the recommended drying and firing profile for Micromax 1108?
Micromax 1108 should be leveled for 5-10 minutes, dried at 150°C for 10-15 minutes, then fired at 850°C peak temperature held for 10 minutes on a 30-minute total firing cycle.
What is the recommended film thickness for Micromax 1108?
Micromax 1108 is optimized for 18-22 μm dried film thickness using 1.0mm × 1.0mm resistor geometry.
What is the VCR performance of Micromax 1108?
Micromax 1108 delivers excellent VCR behavior, maintaining stable resistance under voltage stress up to 300V, making it ideal for ultra-high voltage applications.
What terminations are compatible with Micromax 1108?
Micromax 1108 is compatible with Micromax 6130 silver/palladium conductor composition prefired at 850°C. Use of different terminations may cause a shift of resistance and TCR values.
What packaging sizes are available for Micromax 1108?
Micromax 1108 is available in 100G and 1000G standard packaging. Contact our sales team for bulk supply options.
Get MacDermid Alpha Micromax 1108 Bulk Pricing and Technical Support
We supply genuine MacDermid Alpha Micromax 1108 high voltage thick film resistor paste for variable resistor and ultra-high voltage applications. Contact us for bulk pricing, sample availability, technical documents, and application support.
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Disclaimer: All technical data on this page are for general guidance only and are not product specifications. Buyers must carry out independent trials and verify suitability before bulk ordering. Actual values may vary between production lots.
