CADKDOC
T*e USG Ultra-Stable Precision High Voltage Resistors
Lowest TC High Voltage Resistor, 10 ppm/°C from -40°C to +85°C reference to +25°C
0.10% Tolerance, Three body sizes providing voltage ratings of 5KV, 10KV, and 15KV
The very highest performance high voltage applications require the * possible temperature coefficient and long term stability from the high voltage resistors that are used in these applications. To meet these demanding requirements Caddock introduces the T*e USG Ultra-Stable Precision High Voltage Resistors. Utilizing our proven Tetrinox® resistance film system, these T*e USG resistors were developed to optimize low temperature coefficient performance and long term stability performance. By utilizing specific ceramic core materials with optimum Tetrinox® processing, we are able to control, very tightly in manufacturing, the important ultra-stable performance parameters in operating temperatures from -40°C to +85°C. This unique process is offered in specific resistance values in three body sizes. The extraordinary operating stability of the T*e USG resistors will improve the performance of your high voltage system.
The performance features of the T*e USG Ultra-Stable
Precision High Voltage Resistors are:
• Temperature Coefficient: 10 ppm/°C from -40°C to +85°C.
• Tolerance: 0.10%
• T*ical Load Life Stability of 0.025% per 1,000 hours
at +85°C, 0.05% per 1000 hrs. maximum.
• Three body sizes provide continuous voltage ratings of 5KV,
10KV, and 15KV.
• The specific resistances that are offered in each body size
have been selected for produceability of optimum performance.
• The Ultra Low Temperature Coefficient minimizes self
heating (warm-up) drift following the application of high
voltage or resulting from a change in the applied high voltage.
• Custom Low TC HV Strings are available: 50KV, 100KV, etc.
Part Numbe
r(Model-Value-Tol.-TC)USG1105 - 50M - 0.10%-10ppm0.10%5 KVToleranceMax. ContinuousOperating Voltage50 MegDimensions in inches and (millimeters)ABCResistance (Ω)TC ppm/°CAmbient Max.OperatingTemperature10 ppm/°C85°CDielectricStrength1,000USG1105 - 75M - 0.10%-10ppmUSG1110 - 100M - 0.10%-10ppmUSG1110 - 150M - 0.10%-10ppmUSG1115 - 150M - 0.10%-10ppmUSG1115 - 200M - 0.10%-10ppm5 KV10 KV10 KV15 KV15 KV75 Meg100 Meg150 Meg150 Meg200 Meg0.10%0.10%0.10%0.10%0.10%10 ppm/°C10 ppm/°C10 ppm/°C10 ppm/°C10 ppm/°C85°C85°C85°C85°C85°C1,0001,0001,0001,0001,000.040 ±.002(1.02 ±.05).350 ±.040(8.89 ±1.02)2.000 ±.080(50.80 ±2.03).040 ±.002(1.02 ±.05).350 ±.040(8.89 ±1.02)3.000 ±.090(76.20 ±2.29).040 ±.002(1.02 ±.05).350 ±.040(8.89 ±1.02)2.000 ±.080(50.80 ±2.03).040 ±.002(1.02 ±.05).350 ±.040(8.89 ±1.02)3.000 ±.090(76.20 ±2.29).040 ±.002(1.02 ±.05).350 ±.040(8.89 ±1.02)1.250 ±.070(31.75 ±1.78).040 ±.002(1.02 ±.05).350 ±.040(8.89 ±1.02)1.250 ±.070(31.75 ±1.78)12
Specifications:
(Numbers inside circles reference columns in part number table above)
1
2
Tolerance: ±0.1% measured at room temperature (23°C ±2°C) at 100 Vdc.
Temperature Coefficient: 10 ppm/°C, refer-
enced to +25°C. ΔR taken at -40°C and +85°C,
measured at 50% of rated voltage.
Insulation Resistance: 10,000 megohms, min.
Overvoltage: 1.5 times maximum continuous operating voltage for 5 seconds, ΔR 0.05% max.
Thermal Shock: Mil-Std-202, Method 107,
condition A, ΔR 0.05% max.
Moisture Resistance: Mil-Std-202, Method 106, ΔR 0.05% max.
Load Life: 1000 hours at +85°C at rated voltage,
ΔR 0.025% t*ical, ΔR 0.05% max.
Solderable Leads
Encapsulation: High temperature silicone conformal.
Storage Temperature: -40°C to +105°C.
DIMENSIONS IN INCH* AND (MILLIMETERS)
1.500
± .125(38.10 ± 3.18)ABC
Precise Low TC Voltage Division
Precise Voltage Division Ratio performance can be formed using T*e USG Ultra-Stable High Voltage Resistors together with Caddock's T*e USF
Ultra-Stable Precision Film Resistors, or "matched" with selected T*e TK Low
TC Precision Radial-Lead Resistors. Consult Caddock Applications Engineering to optimize voltage division ratio performance for your application. The Low TC of the T*e USG resistors minimizes temperature
related drift due to temperature gradients that may exist due to the
placement of the resistor components in the high voltage *embly.
Low Absolute TC,
Ultra-Precision Tolerance, with T*e USF Resistors
Special Matched Resistors for
Lowest Ratio TC with T*e TK Low
TC Radial Lead Resistors
28_IL135.1004

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