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Calibrator and Decade Boxes

Precision resistors are extensively used in calibration and decade boxes to provide accurate and adjustable resistance values for testing, calibration, and verification of electronic and electrical equipment. Let’s explore their role in these applications: 

Calibration: 

Calibration is the process of comparing the output of a measurement device or instrument with a known reference standard to ensure its accuracy and reliability. Precision resistors are employed as reference standards in calibration procedures, especially when calibrating resistance-measuring instruments like multimeters, ohmmeters, and data acquisition systems. 

Decade Boxes: 

Decade boxes are specialized test equipment containing multiple precision resistors arranged in a series of switchable decades. Each decade box typically covers a specific range of resistance values. By selecting different combinations of switches, users can obtain a wide range of precise and adjustable resistance values from the decade box. 

Some common applications of decade boxes include: 

• Verifying and calibrating resistance-measuring instruments. 
• Testing and calibrating electronic circuits and components. 
• Adjusting sensor circuits and signal conditioning circuits. 
• Conducting experiments and educational demonstrations. 

In both calibration and decade box applications, precision resistors serve as critical components to establish accurate reference values and adjustable resistance sources. Their precise and stable performance is essential for maintaining the accuracy and reliability of electronic and electrical measurements and testing procedures. 

Series	Product	Description	Resistance Range	Tolerance	TCR ppm/°C	Rated Power @70°C	Datasheet
VSM		Wraparound chip resistor	5Ω to 125KΩ	±0.01% to ±1%	±2	0.1W to 0.4W
VSMP		Improved wraparound chip resistor	5Ω to 125KΩ	±0.01% to ±1%	±0.2	0.1W to 0.75W
FRSH		High wattage high temperature wraparound chip resistor	5Ω to 125KΩ	±0.02% to ±1%	±3	0.1W to 0.75W
FRSM		High stability high temperature wraparound chip resistor	5Ω to 125KΩ	±0.01% to ±1%	±0.2	0.05W to 0.75W
FRST		High stability high temperature wraparound chip resistor	5Ω to 125KΩ	±0.01% to ±1%	±2.5	0.1W to 0.75W
VFCP		Flip chip resistor	5Ω to 125KΩ	±0.01% to ±1%	±0.2	0.1W to 0.6W
HTHA		Aluminium Wire Bondable Chip resistor	5Ω to 125KΩ	±0.02% to ±1%	±2.5	0.05W to 0.6W
HTHG		Gold Wire Bondable Chip resistor	5Ω to 125KΩ	±0.02% to ±1%	±2.5	0.025W to 0.15W @220°C
SMR1D & SMR3D		Molded chip resistor	5Ω to 80KΩ	±0.01% to ±1%	±2	0.25W to 0.6W
SMR1DZ & SMR3DZ		Low TCR molded chip resistor	5Ω to 80KΩ	±0.01% to ±1%	±0.2	0.25W to 0.6W
SMR3P		Molded chip resistor	100Ω to 15KΩ	±0.01% to ±1%	±0.5	0.6W
CSM2512 & CSM3637		Metal strip chip resistor	1mΩ to 200mΩ	±0.1% to ±1%	±15	Up to 3W
CSM2512S &CSM3637S		Current sensing chip resistor	10mΩ to 100mΩ	±0.1% to ±1%	±15	Up to 2W
CSM3637P		Improved power metal strip resistor	3mΩ to 100mΩ	±0.1% to ±1%	±15	Up to 5W
CSM3637Z		Current sensing chip resistor	3mΩ to 50mΩ	±0.1%	±5	Up to 3W
VCS1610		4-terminal Current sensing chip resistor	0.1Ω to 1Ω	±0.5% to ±1%	±2	0.25W
VCS1610Z		4-terminal Current sensing chip resistor	0.3Ω to 1Ω	±0.5% to ±1%	±0.2	0.25W
VCS1625		4-terminal Current sensing chip resistor	10mΩ to 10Ω	±0.5% to ±2%	±2	0.5W
VCS1625P		Z-foil current sensing chip resistor	10mΩ to 10Ω	±0.1% to ±2%	±2	1W
VCS1625Z		Z-foil current sensing chip resistor	0.3Ω to 10Ω	±0.2% to ±2%	±0.2	0.5W
VCS1625ZP		Z-foil current sensing chip resistor	0.3Ω to 10KΩ	±0.2% to ±2%	±0.2	1W
VPR220S & VPR221S		TO-220 power resistor (2/4-terminal)	5Ω to 10KΩ	±0.01% to ±1%	±2	8W on heat sink,1.5W in free air
VPR220SZ &VPR221SZ		TO-220 precision power resistors (2/4-terminal)	5Ω to 10KΩ	±0.01% to ±1%	±0.2	8W on heat sink,1.5W in free air
S-series(C-Foil)		High Performance Instrumentation Resistors	0.5Ω to 1MΩ	±0.005% to ±1%	±2	0.4W to 2W
S-series(K-Foil)		High Performance Instrumentation Resistors with improved tcr.	0.5Ω to 1MΩ	±0.005% to ±1%	±1	0.4W to 2W
Z-series		High Performance molded resistor	10Ω to 600KΩ	±0.005% to ±1%	±0.2	0.6W to 2W
Z-201		Molded Resistor - Drop-in replacement for S102C	10Ω to 100KΩ	±0.005% to ±1%	±0.05	0.6W
Z-202		High performance miniature resistor	5Ω to 30KΩ	±0.01% to ±1%	±0.2	0.25W
Z-203		Z1-Foil resistor for Metrology and Laboratory Applications	10Ω to 100KΩ	±0.005% to ±1%	±0.5	0.6W
E102		High Ohmic Value, Small Size Resistor	150KΩ to 300KΩ	±0.005% to ±1%	±2	0.6W
E102Z		Low TCR High Ohmic Value, Small Size Resistor	100KΩ to 250KΩ	±0.005% to ±1%	±0.2	0.6W
RCK		High Performance Instrumentation Resistors	0.5Ω to 1MΩ	±0.005% to ±1%	±2	0.4W to 2W
VAR		High resolution audio resistor	10Ω to 100KΩ	±0.01% to ±1%	±0.05	0.4W
VSH, VSC		Low Profile Conformally Coated Resistor	5Ω to 120KΩ	±0.01% to ±1%	±2	0.3W
VSHZ, VSCZ		Low Profile Conformally Coated Resistor	5Ω to 120KΩ	±0.01% to ±1%	±0.2	0.3W
VCS201, VCS202		Conformally Coated Precision Current Sensing Resistors	5mΩ to 0.2Ω	±0.1% to ±5%	±10	1.5W to 2W
VCS232		Power current sensing resistor	0.2Ω to 500Ω	±0.02% to ±5%	±2	2W
VCS232Z		Power current sensing resistor	0.25Ω to 500Ω	±0.02% to ±1%	±0.2	2W
VCS301, VCS302		4-Terminal power current sensing resistor	5mΩ to 0.25Ω	±0.5% to ±5%	±3	10W on heat sink,3W in free air
VCS331, VCS332		4-Terminal power current sensing resistor	0.25Ω to 500Ω	±0.1% to ±5%	±1	10W on heat sink,3W in free air
VFP3, VFP4		Molded Power Current Sensing Resistors	50mΩ to 80KΩ	±0.01% to ±5%	±2	10W on heat sink,3W in free air
300144 & 300145		Small package molded Voltage Divider Resistors	100Ω to 20KΩ	±0.005% to ±1%	±2	0.25W
300144Z & 300145Z(Z-Foil)		Small package molded Z-Foil Voltage Divider Resistors	100Ω to 20KΩ	±0.005% to ±1%	±0.05	0.25W
300190 - 300199 & 300210 - 300212		Molded Resistor Networks 2R, 3R, 4R Voltage Dividers ,Bridge Circuits ,Attenuators	1Ω to 150KΩ	±0.005% to ±1%	±2	0.5W
300190Z - 300199Z & 300210Z - 300212Z		Molded Resistor Networks 2R, 3R, 4R Voltage Dividers Bridge Circuits Attenuators	1Ω to 150KΩ	±0.01% to ±1%	±0.05	0.6W
DSM		SMD molded voltage divider	100Ω to 20KΩ	±0.01% to ±0.05%	±2	0.05W per element
DSMZ		SMD molded voltage divider	100Ω to 10KΩ	±0.01% to ±0.05%	±0.2	0.05W per element
SMN		4- Resistor Network Dual-In-Line Molded Package 50 MIL Pitch	100Ω to 20KΩ	±0.01% to ±0.05%	±2	0.1W per element
SMNH		4-Resistor Surface Mount Hermetic Network	5Ω to 33KΩ	±0.005% to ±0.01%	±2	0.1W per element
SMNZ		4-Resistor Surface Mount Network Dual-In-Line Molded Package	100Ω to 10KΩ	±0.01% to ±0.05%	±0.2	0.1W per element
VFB1012D		Flip Chip Ball Grid Array Voltage Dividing Resistor	1KΩ to 10KΩ	±0.01% to ±0.05%	±0.2	0.2W for entire packege divided proportionally between the two elements
VFB1515N		Z-Foil BGA Surface Mount Resistor Network	200Ω to 10KΩ	±0.05%	±0.2	0.1W per element
VFCD 1505		Flip Chip Resistor, Special Design	1KΩ to 10KΩ	±0.01% to ±0.05%	±0.1	0.1W per element
VFD244		Voltage Divider Resistor	1Ω to 150KΩ	±0.005% to ±1%	±2	0.1W for entire packege divided proportionally between the two elements
VFD244Z		Ultra High Precision Voltage Divider Resistor	1Ω to 100KΩ	±0.005% to ±1%	±0.2	0.1W for entire packege divided proportionally between the two elements
VHD144 & VHD200		Hermetically Sealed, Small Package, Voltage Dividers	100Ω to 20KΩ	±0.005% to ±1%	±2	0.1W for entire packege divided proportionally between the two elements
VSH144		Low Profile Conformally Coated High Precision Voltage Divider Resistor	100Ω 20KΩ	±0.01% to ±1%	±2	0.2W for entire packege divided proportionally between the two elements
VSH144Z		Ultra High Precision Low Profile Conformally Coated Voltage Divider Resistor	100Ω to 20KΩ	±0.01% to ±1%	±0.2	0.2W for entire packege divided proportionally between the two elements
VSR144		Industrial Grade Miniature Voltage Divider	100Ω to 20KΩ	±0.05% to ±1%	±4	0.2W for entire packege divided proportionally between the two elements