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ACASN1001S1001P1AT
Vishay Beyschlag/Draloric/BC Components
RES ARRAY 2 RES 1K OHM 0606
14528 Pcs New Original In Stock
1k Ohm ±0.1% 125mW Power Per Element Isolated 2 Resistor Network/Array ±25ppm/°C 0606, Convex
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5.0 / 5.0
- (381 Ratings)
ACASN1001S1001P1AT
Product Overview
1003867
DiGi Electronics Part Number
ACASN1001S1001P1AT-DGManufacturer
Vishay Beyschlag/Draloric/BC Components
ACASN1001S1001P1AT
Description
RES ARRAY 2 RES 1K OHM 0606Inventory
14528 Pcs New Original In Stock
1k Ohm ±0.1% 125mW Power Per Element Isolated 2 Resistor Network/Array ±25ppm/°C 0606, Convex
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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ACASN1001S1001P1AT Technical Specifications
Category
Resistor Networks, Arrays
Packaging
Tape & Reel (TR)
Series
ACA - Precision
Product Status
Active
Circuit Type
Isolated
Resistance (Ohms)
1k
Tolerance
±0.1%
Number of Resistors
2
Resistor Matching Ratio
±0.05%
Resistor-Ratio-Drift
±15ppm/°C
Number of Pins
4
Power Per Element
125mW
Temperature Coefficient
±25ppm/°C
Operating Temperature
-55°C ~ 155°C
Grade
Automotive
Qualification
AEC-Q200
Applications
Voltage Divider (TCR Matched)
Mounting Type
Surface Mount
Package / Case
0606, Convex
Supplier Device Package
0606
Size / Dimension
0.063" L x 0.059" W (1.60mm x 1.50mm)
Height - Seated (Max)
0.022" (0.55mm)
Datasheet & Documents
HTML Datasheet
ACASN1001S1001P1AT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.21.0020
Additional Information
Other Names
749-1042-2
749-1042-1
749-1042-6
ACASN1001S1001P1AT-DG
Standard Package
1,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Le service après-vente a répondu à mes emails dans l'heure, très professionnel.
de desembre 02, 2025
Affordable prices and sustainable packaging—what more could one ask for?
de desembre 02, 2025
The quality assurance from DiGi Electronics gives me peace of mind with every purchase.
de desembre 02, 2025
DiGi Electronics' logistics team did a wonderful job. My order arrived sooner than expected, in perfect condition.
de desembre 02, 2025
Their customer support is friendly and quick to solve any issues.
de desembre 02, 2025
Fast shipping ensured I could enjoy my product without delay.
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Frequently Asked Questions (FAQ)
How does the ACASN1001S1001P1AT resistor array perform in high-temperature automotive environments when used in precision voltage dividers?
The ACASN1001S1001P1AT is AEC-Q200 qualified and rated for operation from -55°C to 155°C, making it suitable for under-the-hood automotive applications. Its ±25ppm/°C temperature coefficient and ±15ppm/°C resistor-ratio-drift ensure stable voltage division over temperature swings. To maximize performance, minimize thermal gradients across the package by balancing PCB copper thermal paths and avoid placing near high-power heat sources to prevent localized overheating beyond ambient ratings.
Can the ACASN1001S1001P1AT be used as a drop-in replacement for the RN2903 in precision signal conditioning circuits?
While both the ACASN1001S1001P1AT and RN2903 are 2-resistor isolated arrays, they differ in tolerance, matching, and package. The ACASN1001S1001P1AT offers ±0.1% tolerance and ±0.05% matching vs. typically ±0.5% for RN2903, making it superior for precision applications. However, the 0606 convex package requires updated footprint and stencil design—verify land patterns and reflow profiles to avoid solder voiding or tombstoning, especially since the RN2903 uses a different form factor.
What are the design-in risks when using the ACASN1001S1001P1AT in a high-resolution ADC reference buffer network?
Using the ACASN1001S1001P1AT in ADC reference buffering introduces risks if layout practices are not optimized. Mismatched trace lengths or asymmetric thermal loading can degrade the ±0.05% resistor matching advantage. Keep traces short and symmetrical, use guard rings for voltage nodes, and avoid thermal vias beneath the package to maintain ratio stability. Also, ensure total power dissipation stays below 125mW per element to prevent self-heating errors in precision references.
How does the resistor matching and ratio drift of the ACASN1001S1001P1AT compare to discrete thin-film resistors in a differential amplifier gain setting application?
The ACASN1001S1001P1AT provides ±0.05% resistor matching and ±15ppm/°C ratio drift, outperforming discrete 0.1% thin-film resistors (typically ±50ppm/°C uncorrelated drift) in gain stability over temperature. Because both resistors are on the same monolithic substrate, they track thermally, minimizing gain drift in differential amplifiers. This integration reduces component count and layout sensitivity, but ensure PCB design avoids mechanical stress on the 0606 convex package, which could induce micro-cracks and long-term drift.
What reliability concerns should be addressed when placing the ACASN1001S1001P1AT in safety-critical automotive systems like battery management voltage sensing?
For BMS voltage sensing, the ACASN1001S1001P1AT's AEC-Q200 qualification and ±0.1% tolerance provide strong reliability baselines. However, long-term stability depends on controlling board flex and thermal cycling. Use rigid PCB sections away from connectors or moving parts, and conformal coating to prevent contamination-induced leakage. Monitor solder joint integrity during reflow—its MSL-1 rating allows unlimited floor time, but ensure peak reflow temperature does not exceed 260°C to avoid internal stress or delamination in the convex 0606 package.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ACASN1001S1001P1AT CAD Models
Vishay Beyschlag/Draloric/BC Components ACASN1001S1001P1AT PCB symbols & footprints
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