描述
Micromax 2004R 3.6-4.4 Ω/sq Resistor Paste for Hybrid Circuits, A Series Blendable
Type: Resistor Paste
Pack: 100G / 1000G
Resistivity: 3.6-4.4 Ω/sq
Viscosity: 160-220 Pa.s
Mesh: 325 mesh
Shelf Life: 6 months
MacDermid Alpha Micromax 2004R is a low-resistance resistor paste from the 2000 Series A Group, offering 3.6-4.4 Ω/sq sheet resistivity with 0 to 50 ppm/°C TCR and ≥-35 dB noise performance. Part of the A Group blendable sub-series with 2009, 2019, 2031, 2041, 2051, 2061 and 2071.
Part of the Micromax 2000 Series A Group, Micromax 2004R is a low-ohm resistor paste engineered for hybrid microcircuits requiring exceptional temperature stability and ultra-low noise characteristics. This composition delivers hot TCR values of 0 to 50 ppm/°C with cold TCR of ≥-100 ppm/°C, ensuring consistent performance across temperature variations. The A Group designation means this paste is blendable with 2009, 2019, 2031, 2041, 2051, 2061 and 2071.
With a sheet resistivity of 3.6-4.4 Ω/sq, Micromax 2004R supports low-resistance applications in hybrid circuits. The paste is optimized for 325-mesh screens with 10-15 μm emulsion thickness and print speeds of 10-20 cm/s. Drying is performed at 150-170°C. The material is fully compatible with Micromax 7484 Ag/Pd conductor compositions as well as Ag/Pt terminations. Available in 100G and 1000G containers.
Genuine MacDermid Alpha Micromax Imported Stock & Technical Support
We maintain stable inventory of authentic MacDermid Alpha Micromax 2004R resistor paste. Factory-original TDS and batch-specific COA can be provided upon request for your hybrid circuit projects.
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Complete TDS, COA, and regulatory documentation available
Key Features of MacDermid Alpha Micromax 2004R
- 2000 Series A Group blendable — part of the A Group sub-series, compatible with 2009, 2019, 2031, 2041, 2051, 2061 and 2071
- Exceptional TCR performance — hot TCR of 0 to 50 ppm/°C for superior temperature stability
- Low sheet resistivity of 3.6-4.4 Ω/sq — ideal for low-resistance hybrid circuit applications
- Ultra-low noise characteristics — ≥-35 dB noise performance for precision analog and low-signal circuits
- Flexible termination options — compatible with Micromax 7484 Ag/Pd and Ag/Pt terminations
- Excellent post-laser trim stability — outstanding stability with or without encapsulation
- Fine-feature printing capability — optimized for 325 mesh screens with 10-15 μm emulsion
- Small length and thickness effects — minimal variation in resistivity and TCR across different geometries
Primary Applications
- Hybrid microcircuits — low-resistance resistor networks in ceramic hybrid assemblies
- Precision analog and instrumentation circuits — stable resistive elements requiring ultra-low TCR
- Ultra-low-noise sensor interface circuits — ≥-35 dB noise performance for sensitive transducer applications
- High-reliability automotive and industrial electronics — robust resistor elements for demanding environments
Full Technical Specifications
| Property | Typical Value | Test / Reference |
| Product Type | Thick film resistor paste | — |
| Application | Hybrid microcircuits, precision resistor networks | — |
| Blendable Sub-Series | A Group | 2004R/2009/2019/2031/2041/2051/2061/2071 |
| Packaging Specification | 100G, 1000G | Standard packaging |
| Resistivity Range | 3.6-4.4 Ω/sq | 20μm dried thickness |
| Viscosity (Brookfield HBT 10 rpm) | 160-220 Pa.s | SC4-14/6R, 25°C |
| Recommended Mesh | 325 mesh | Stainless steel |
| Emulsion Thickness | 10-15 μm | — |
| Print Speed | 10-20 cm/s | — |
| Drying Temperature | 150-170°C | — |
| Drying Time | 10-15 min | — |
| Theoretical Coverage | 120 cm²/g | — |
| Thinner | Micromax 4553 | A Group only |
| Hot TCR (25-125°C) | 0 to 50 ppm/°C | 7484 Ag/Pd terminations |
| Cold TCR (-55-25°C) | ≥-100 ppm/°C | 7484 Ag/Pd terminations |
| Noise | ≥-35 dB | Quan-Tech, untrimmed |
| Electrostatic Discharge (ESD) | ≤0.1% ΔR | 1mm × 1mm, 1×5kV pulse |
| Short Term Overload Voltage | 3 V/mm | 5 sec duration |
| Standard Working Voltage | 1.2 V/mm | 0.4 × Short Term Overload Voltage |
| Maximum Rated Power Dissipation | 241 mW/mm² | (Standard Working Voltage)² / Resistance |
| Termination Compatibility | Micromax 7484 Ag/Pd or Ag/Pt conductor | Prefired at 850°C |
| Substrate Compatibility | 96% alumina | — |
| Encapsulant | QQ550 or LF161 recommended for extreme environments | — |
| 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 with clean spatula, 0.5-1 minute |
| Optimal Printing Temperature | 20-23°C |
| Screen Mesh | 325 mesh stainless steel |
| Emulsion Thickness | 10-15 μm |
| Print Speed | 10-20 cm/s |
| Leveling | Allow to level at room temperature |
| Drying Temperature | 150-170°C |
| Drying Time | 10-15 minutes |
| Firing Atmosphere | Air (clean, dry) |
| Substrate | 96% alumina |
| Termination | Micromax 7484 Ag/Pd or Ag/Pt 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 during storage. |
| 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 2004R 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 2004R?
Micromax 2004R is a low-ohm resistor paste from the 2000 Series A Group, offering 3.6-4.4 Ω/sq resistivity with 0 to 50 ppm/°C TCR and ≥-35 dB noise performance for hybrid circuit manufacturing.
What is the difference between 2004R and 2004?
2004R belongs to the A Group blendable sub-series (with 2009, 2019, 2031, 2041, 2051, 2061, 2071) and uses 4553 thinner. 2004 belongs to the B Group and uses 4036 thinner. The two groups cannot be interchanged.
What resistivity value does Micromax 2004R offer?
Micromax 2004R provides a sheet resistivity of 3.6-4.4 Ω/sq for low-resistance hybrid circuit applications.
What is the TCR performance of Micromax 2004R?
Hot TCR is 0 to 50 ppm/°C (25-125°C) and cold TCR is ≥-100 ppm/°C (-55-25°C), ensuring excellent temperature stability.
What is the noise performance of Micromax 2004R?
Micromax 2004R delivers exceptional noise characteristics at ≥-35 dB, suitable for precision analog applications.
What mesh screen is recommended for Micromax 2004R?
Micromax 2004R is optimized for 325 mesh stainless steel screens with 10-15 μm emulsion thickness.
What packaging options are available for Micromax 2004R?
Standard 100G and 1000G containers. Bulk supply options are available upon request.
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We supply authentic MacDermid Alpha Micromax 2004R resistor paste for hybrid circuit applications. Contact our team for bulk quotations, sample availability, technical documentation, 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.
