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CADKDOCFig.Resistance ValuesModelNo.Absolute StabilityMax. % Change inResistance ValueShelf LifeLoad LifeMax. PowerRatingWattsTotal Pkg.MaximumAbsoluteTCppm/°CAbsoluteTolerance%RARBRCRD1234Power RatingWattsRARBRCRD1787-310.25800.030.051.0999.9 Ω99.9 Ω9.9 Ω0.9 Ω10.250.250.501..10800.020.031.0999.9 Ω99.9 Ω9.9 Ω0.9 Ω10.250.250.501.01787-410.25800.030.051.01,000 Ω100 Ω10 Ω1 Ω20.250.250.501.0 1787-4120.10800.020.031.01,000 Ω100 Ω10 Ω1 Ω20.250.250.501.0 1787-50.25500.020.04N/A999 Ω99 Ω9 ΩN/A30.250.250.750.751787-530.10500.010.02N/A999 Ω99 Ω9 ΩN/A30.250.250.750.751787-5350.05500.010.02N/A999 Ω99 Ω9 ΩN/A30.250.250.750.751787-60.25500.020.04N/A1,000 Ω100 Ω10 ΩN/A40.250.250.750.751787-640.10500.010.02N/A1,000 Ω100 Ω10 ΩN/A40.250.250.750.751787-6450.05500.010.02N/A1,000 Ω100 Ω10 ΩN/A40.250.250.750.751787-130.251000.030.05N/A99.9 Ω9.9 Ω0.9 ΩN/A50.250.501.01..101000.020.03N/A99.9 Ω9.9 Ω0.9 ΩN/A50.250.501.01.0
Accurate Current Sensing in Multi-Range Instrumentation
T*e 1787 Current Sense Resistor Networks utilize Caddock's Micronox® resistance films and advanced high thru-put laser manufacturing capabilities to achieve many vital advantages in precision current measurement circuits, including laboratory and bench-t*e di*al instrumentation:
• The thin-profile single-package configuration replaces as many as four discrete current sense resistors.
• The monolithic construction and standardized lead spacing simplify installation.
• Caddock Micronox® resistance films provide exceptional stability for improved long-term measurement accuracy.
Twelve standard models in five network arrangements provide the specific accuracy and resistance values required for a wide range of current measuring instruments and circuits.
Protot*e quantities of most models of the T*e 1787 Current Sense Resistor Networks are available either from stock or within 6 weeks after receipt of order.
Absolute Tolerance:
Tolerance of RA, RB, RC, or RD when measured in accordance with proper Figure No.
Absolute Temperature Coefficient: Temperature coefficient of RA, RB, RC, or
RD from 0°C to +70°C, referenced to +25°C.
Load Life: Stability of RA, RB, RC, or RD with full power applied individually for 2,000 hours at +70°C.
Shelf Life: Stability of RA, RB, RC, or RD for
six months at shelf conditions.
Storage Temperature: -55°C to +85°C.
T*e 1787 Current Sense Resistor Networks
Page 1 of 2
28_IL119.1004
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CADKDOC .580 ±.020(14.73 ±.51) 1.150 ±.020(29.21 ±.51).025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).900 (22.86)1.000 (25.40).200 (5.08).090 (2.29) MAX.900Ω90Ω1239Ω1Ω456RDRCRBRACADDOCKMODEL .075(1.91)
DIMENSIONS IN INCH* AND (MILLIMETERS)
.580
±.020(14.73 ±.51) 1.150 ±.020(29.21 ±.51).025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).900 (22.86)1.000 (25.40).200 (5.08).090 (2.29) MAX.0.1ΩModel Nos. 1787-31 and 1787-312are normally to be used in serieswith a customer purchased 0.1Ωwirewound resistor with Kelvinterminations.Correct installation and accuratemeasurement of the networks'characteristics requires thatPins 5 and 6 be shorted within.100" (2.54 mm) of the body of thenetwork. All measurements mustbe made at this point.*900Ω90Ω1239Ω0.9Ω456RDRCRBRACADDOCKMODEL .075(1.91) .580 ±.020(14.73 ±.51) .850 ±.020(21.59 ±.51)900Ω1290Ω9Ω34RCRBRA.025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).200 (5.08).090 (2.29) MAX.CADDOCKMODEL 1787-50406.075(1.91) .580 ±.020(14.73 ±.51)900Ω1290Ω10Ω34RCRBRA.025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).200 (5.08).090 (2.29) MAX.CADDOCKMODEL 1787-60421.075(1.91) .850 ±.020(21.59 ±.51) .580 ±.020(14.73 ±.51) 1.000 ±.020(25.40 ±.51).025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).500 (12.70).700 (17.78).800 (20.32).200 (5.08).090 (2.29) MAX.*90Ω129Ω0.9Ω345RCRBRACADDOCKMODEL .100(2.54)0.1ΩModel Nos. 1787-13 and 1787-132are normally to be used in serieswith a customer purchased 0.1Ωwirewound resistor with Kelvinterminations.Correct installation and accuratemeasurement of the networks'characteristics requires thatPins 4 and 5 be shorted within.100" (2.54 mm) of the body of thenetwork. All measurements mustbe made at this point.Resistances"R"TotalValueSenseLeadP1Kelvin ConnectionsCurrentLeadC1CurrentLeadC2SenseLeadP2RA99.9 ΩPin 1Pin 1Pin 4 *Pin 5 *RB9.9 ΩPin 1Pin 2Pin 4 *Pin 5 *RC0.9 ΩPin 1Pin *in 4 *Pin 5 *Resistances"R"TotalValueRA1,000 ΩRB100 ΩRC10 ΩResistances"R"TotalValueRA999 ΩRB99 ΩRC9 ΩResistances"R"TotalValueSenseLeadP1Kelvin ConnectionsCurrentLeadC1CurrentLeadC2SenseLeadP2RA1,000 ΩPin 1Pin 1Pin 5Pin 6RB100 ΩPin 1Pin 2Pin 5Pin 6RC10 ΩPin 1Pin *in 5Pin 6RD1 ΩPin 1Pin 4Pin 5Pin 6Resistances"R"TotalValueSenseLeadP1Kelvin ConnectionsCurrentLeadC1CurrentLeadC2SenseLeadP2RA999.9 ΩPin 1Pin 1Pin 5 *Pin 6 *RB99.9 ΩPin 1Pin 2Pin 5 *Pin 6 *RC9.9 ΩPin 1Pin *in 5 *Pin 6 *RD0.9 ΩPin 1Pin 4Pin 5 *Pin 6 *
Figure 1 - Model Nos. 1787-31 and 1787-312
Model Nos. 1787-31 and 1787-312 Measurement Connections
Model Nos. 1787-41 and 1787-412 Measurement Connections
Figure 2 - Model Nos. 1787-41 and 1787-412
Figure 3 - Model Nos. 1787-5,
1787-53, and 1787-535
Figure 4 - Model Nos. 1787-6,
1787-64, and 1787-645
Figure 5 - Model Nos. 1787-13 and 1787-132
Model Nos. 1787-13 and 1787-132 Measurement Connections
T*e 1787 Current Sense Resistor Networks
Page 2 of 2
28_IL119.1004
Accurate Current Sensing in Multi-Range Instrumentation
T*e 1787 Current Sense Resistor Networks utilize Caddock's Micronox® resistance films and advanced high thru-put laser manufacturing capabilities to achieve many vital advantages in precision current measurement circuits, including laboratory and bench-t*e di*al instrumentation:
• The thin-profile single-package configuration replaces as many as four discrete current sense resistors.
• The monolithic construction and standardized lead spacing simplify installation.
• Caddock Micronox® resistance films provide exceptional stability for improved long-term measurement accuracy.
Twelve standard models in five network arrangements provide the specific accuracy and resistance values required for a wide range of current measuring instruments and circuits.
Protot*e quantities of most models of the T*e 1787 Current Sense Resistor Networks are available either from stock or within 6 weeks after receipt of order.
Absolute Tolerance:
Tolerance of RA, RB, RC, or RD when measured in accordance with proper Figure No.
Absolute Temperature Coefficient: Temperature coefficient of RA, RB, RC, or
RD from 0°C to +70°C, referenced to +25°C.
Load Life: Stability of RA, RB, RC, or RD with full power applied individually for 2,000 hours at +70°C.
Shelf Life: Stability of RA, RB, RC, or RD for
six months at shelf conditions.
Storage Temperature: -55°C to +85°C.
T*e 1787 Current Sense Resistor Networks
Page 1 of 2
28_IL119.1004
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CADKDOC .580 ±.020(14.73 ±.51) 1.150 ±.020(29.21 ±.51).025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).900 (22.86)1.000 (25.40).200 (5.08).090 (2.29) MAX.900Ω90Ω1239Ω1Ω456RDRCRBRACADDOCKMODEL .075(1.91)
DIMENSIONS IN INCH* AND (MILLIMETERS)
.580
±.020(14.73 ±.51) 1.150 ±.020(29.21 ±.51).025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).900 (22.86)1.000 (25.40).200 (5.08).090 (2.29) MAX.0.1ΩModel Nos. 1787-31 and 1787-312are normally to be used in serieswith a customer purchased 0.1Ωwirewound resistor with Kelvinterminations.Correct installation and accuratemeasurement of the networks'characteristics requires thatPins 5 and 6 be shorted within.100" (2.54 mm) of the body of thenetwork. All measurements mustbe made at this point.*900Ω90Ω1239Ω0.9Ω456RDRCRBRACADDOCKMODEL .075(1.91) .580 ±.020(14.73 ±.51) .850 ±.020(21.59 ±.51)900Ω1290Ω9Ω34RCRBRA.025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).200 (5.08).090 (2.29) MAX.CADDOCKMODEL 1787-50406.075(1.91) .580 ±.020(14.73 ±.51)900Ω1290Ω10Ω34RCRBRA.025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).400 (10.16).700 (17.78).200 (5.08).090 (2.29) MAX.CADDOCKMODEL 1787-60421.075(1.91) .850 ±.020(21.59 ±.51) .580 ±.020(14.73 ±.51) 1.000 ±.020(25.40 ±.51).025 ±.002(.64 ±.05) DIA.Tinned CopperPIN 1.250 ±.050(6.35 ±1.27).500 (12.70).700 (17.78).800 (20.32).200 (5.08).090 (2.29) MAX.*90Ω129Ω0.9Ω345RCRBRACADDOCKMODEL .100(2.54)0.1ΩModel Nos. 1787-13 and 1787-132are normally to be used in serieswith a customer purchased 0.1Ωwirewound resistor with Kelvinterminations.Correct installation and accuratemeasurement of the networks'characteristics requires thatPins 4 and 5 be shorted within.100" (2.54 mm) of the body of thenetwork. All measurements mustbe made at this point.Resistances"R"TotalValueSenseLeadP1Kelvin ConnectionsCurrentLeadC1CurrentLeadC2SenseLeadP2RA99.9 ΩPin 1Pin 1Pin 4 *Pin 5 *RB9.9 ΩPin 1Pin 2Pin 4 *Pin 5 *RC0.9 ΩPin 1Pin *in 4 *Pin 5 *Resistances"R"TotalValueRA1,000 ΩRB100 ΩRC10 ΩResistances"R"TotalValueRA999 ΩRB99 ΩRC9 ΩResistances"R"TotalValueSenseLeadP1Kelvin ConnectionsCurrentLeadC1CurrentLeadC2SenseLeadP2RA1,000 ΩPin 1Pin 1Pin 5Pin 6RB100 ΩPin 1Pin 2Pin 5Pin 6RC10 ΩPin 1Pin *in 5Pin 6RD1 ΩPin 1Pin 4Pin 5Pin 6Resistances"R"TotalValueSenseLeadP1Kelvin ConnectionsCurrentLeadC1CurrentLeadC2SenseLeadP2RA999.9 ΩPin 1Pin 1Pin 5 *Pin 6 *RB99.9 ΩPin 1Pin 2Pin 5 *Pin 6 *RC9.9 ΩPin 1Pin *in 5 *Pin 6 *RD0.9 ΩPin 1Pin 4Pin 5 *Pin 6 *
Figure 1 - Model Nos. 1787-31 and 1787-312
Model Nos. 1787-31 and 1787-312 Measurement Connections
Model Nos. 1787-41 and 1787-412 Measurement Connections
Figure 2 - Model Nos. 1787-41 and 1787-412
Figure 3 - Model Nos. 1787-5,
1787-53, and 1787-535
Figure 4 - Model Nos. 1787-6,
1787-64, and 1787-645
Figure 5 - Model Nos. 1787-13 and 1787-132
Model Nos. 1787-13 and 1787-132 Measurement Connections
T*e 1787 Current Sense Resistor Networks
Page 2 of 2
28_IL119.1004