COMMERCIAL DISCRETE WIREWOUND RESISTORS Axial Radial Models STAND

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COMMERCIAL DISCRETE WIREWOUND RESISTORS Axial Radial Models STAND

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COMMERCIAL DISCRETE WIREWOUND RESISTORS Axial Radial Models
STANDARD
ELECTRICAL
SPECIFICATIONS
POWER RATING 125°C
(Watts) 0.05 0.05 0.05 0.10 0.10 0.10 0.10 0.10 0.10 0.125 0.125 0.125 0.25 0.25 0.25 0.33 0.50 0.60 0.50 0.60 1.00 1.00 1.25 1.50 1.75 2.00 0.125 0.125 0.25 0.25 0.50 1.00
FEATURES High precision welded construction Molded thermosetting plastic bobbin Wide ohmic range combined with tight tolerance Excellent long-term stability Inherent temperature coefficient Extremely Thermal voltage coefficient noise
ELECTRICAL SPECIFICATIONS
MAXIMUM RESISTANCE VALUE MODELS
123A 118A 122A 102A 102AL 101A 153A 103A 135A 105A 184A 185A* (Ohms) 111k 192k 199k 334k 334k 410k 435k 633k 750k 820k 820k 961k 968k 1.42 1.93 4.10 5.63 7.68 453k 821k 1.59 1.48
Minimum Values: ±0.5%. ±0.1% tighter. Resistance Tolerance: ±0.005%, ±0.01%, ±0.02%, ±0.05%, ±0.1%, ±0.5%, ±1%, depending style value. Temperature Coefficient: ppm/°C standard above. Higher C.'s ohmic values. match ppm/°C. High C.'s +6000 ppm/°C available. Standard temperature range: -10°C +80°C. Working temperature range: -60°C +145°C.
CONSTRUCTION
AXIAL
202A 204A 203A 205A* 207A* 308A 210A* 307A 310A 505A 510A* 515A* 517A 520A* 101P 102P
Welded Construction: combination welded construction compatible materials provide most reliable means interconnects possible. Butt Weld Lead: material alloy (the same resistance wire) butt welded lead molded deep into resistor bobbin. This design parameter assures least possible transients thermal EMF. Bobbin Design: ratio height wall width diameter bobbin mandrel critical basic stability wirewound resistor. These parameters optimized each wire size, wattage size range resistor values. Encapsulation Material: Both bobbin final encapsulation material thermosetting alkyd polyester. resulting resistor virtually homogeneous mass with identical coefficient expansion which unaffected most violent temperature cycling. types unaffected application solvents. Lead Materials: standard lead material solder dipped copper (C5N). Other available materials bare nickel (N1N) gold plated nickel (N2N) bare copper.
RADIAL
203PC 203PA 305PA 505PA
Available hermetically sealed. page
ULTRONIX, INC. Phone (610) 725-8977 (610) 725-0567 Applications Engineering: Phone (610) 251-5851 (610) 640-4487
COMMERCIAL DIMENSIONAL Axial Models
DISCRETE
WIREWOUND
RESISTORS
CONFIGURATIONS
[Numbers brackets indicate millimeters]
[31.75] MIN.
DIMENSIONS .020 [.508] MODEL 123A 118A 122A 102A 102AL 101A 153A 103A 105A 135A 184A 185A DIAMETER .100 [2.54] .130 [3.30] .123 [3.12] .110 [2.79] .130 [3.30] .130 [3.30] .150 [3.81] .150 [3.81] .160 [4.06] .150 [3.81] .187 [4.75] .187 [4.75] .250 [6.35] .250 [6.35] .250 [6.35] .250 [6.35] .250 [6.35] .312 [7.93] .250 [6.35] .375 [9.53] .375 [9.53] .500 [12.70] .500 [12.70] .500 [12.70] .500 [12.70] .500 [12.70] .300 [7.62] .250 [6.35] .250 [7.92] .270 [6.86] .375 [9.53] .500 [12.70] LENGTH .230 [5.84] .180 [4.57] .218 [5.54] .250 [6.35] .313 [7.95] .375 [9.53] .245 [6.22] .300 [7.62] .500 [12.70] .310 [7.87] .375 [9.53] .500 [12.70] .310 [7.87] .375 [9.53] .343 [8.71] .500 [12.70] .750 [19.05] .810 [20.57] 1.00 [25.40] .750 [19.05] 1.00 [25.40] .500 [12.70] 1.00 [25.40] 1.50 [38.10] 1.75 [44.45] 2.00 [50.8] .320 [8.13] .250 [6.35] .312 [7.93] .320 [8.13] .500 [12.70] .500 [12.70] .150 [3.81] .125 [3.18] .150 [3.81] .200 [5.08] .200 [5.08] .300 [7.62] .110 [2.79] .125 [3.18]
LEADS
DIAMETER .020 [.508] .016 [.406] .020 [.508] .020 [.508] .020 [.508] .026 [.660] .026 [.660] .026 [.660] .026 [.660] .026 [.660] .026 [.660] [.660] .026 (.660) .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .032 [.813] .026 [.660] .026 [.660] .026 [.660] .026 [.660] .032 [.813] .032 [.813]
AXIAL
202A 204A 203A 205A 207A 308A 210A 307A 310A 505A 510A 515A 517A 520A 101P 102P 203PC 203PA 305PA 505PA
Round Radial Models
Leads
RADIAL
Flat Radial Models
Leads
Different lead gauges available Contact Factory part number.
PART
MARKING
ORDER
203A 1000 RESISTANCE VALUE TOLERANCE .01% .02% .05% 0.1% 1.0%
ULTRONIX logo Model Resistance value Resistance tolerance Date code
MODEL
ULTRONIX, INC. Phone (610) 725-8977 (610) 725-0567 Applications Engineering: Phone (610) 251-5851 (610) 640-4487

COMMERCIAL DISCRETE WIREWOUND RESISTORS Axial Radial Models STAND

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