GT Series
Clyindrical High Voltage Resistors
Thick Film, Non-Inductive
High Voltage, High Frequency Resistors for various High Voltage Applications
Micro-Ohm offers the GT series to meet general requirements of high voltages at reasonable prices. GT series has an epoxy coating which is very good humidity protection, and a wide range of tolerances and temperature coefficients.
Main Application: HV energy, Capacitor's charger & discharger. various HV Loads, HV Snubber, HV dampening, on HV diode, R-C tank, in ion gun termination, etc.
Epoxy Coating for excellent humidity protection
Std. Resistance Tolerances: 0.5%,1%, 2%, 5% 10%
Resistance Range: 1KΩ to 700MΩ
Power Ratings: up to 15 watts
Various Models with Voltage Ratings from 2.5kV to 48kV in free air.

Application Guide
Automated Test (ATE) Medical (Imaging) Ion Source
Chromatography (Gas) Medical (Radiation Therapy) Military, Radar, Laser, Plasma
Measurements (High Voltage) Medical (Blood Analyzers) HV Capacitor Charging, Discharging
Corona Generators Multichannel Analyzers Electric Power Transmission HV
Ozone Generating Detectors Nuclear Instrumentation
Electron Beam Pulse Generators Surface Analysis
CT, MRI Electrophoresis Image Intensifier
Piezo, Focusing (Poling) High Voltage Dividers Stress Testing
Klystron, Magnetron, Microwave Ion Beam

Specifications
Resistance Tolerance: 0.5%, 1%, 2%, 5%, & 10% (from1kΩ to 100MΩ; 0.1%, 0.25% special order available upon request. Check with factory for resistance ranges.)
Temperature Range: -55°C to +195°C.
Temperature Coefficient of Resistance: 100ppm/°C standard referenced to 25°C, from -25°C, and +125°C. Other TCR on request. (80ppm/°C and special TCR upon request)
Overload/Voltage: 5 times stated power with applied voltage not to exceed 1.5 times Max. continuous operating voltage for 5 seconds R 0.5% max.
Thermal Shock: Mil-Std-202, Method-107, Cond. C R, 0.25% max.

Dimensions
Load Life: 1,000 hours at rated power R 0.7% max.
Moisture Resistance: Mil-Std-202, Method-106, R 0.4% max.
Lead Material: Tinned plated copper
Insulation Resistence: 10,000 MΩ Min.
Encapsulation: Epoxy conformal
Resistive Material: Thick Film
Model
No.
Wattage
@ 125°C
Max. Continuous
Oper. Volt [kV]
Resistance () Dimensions in milimeters (inches)
Min. Max. A B C
GT07 0.7 2.5 1K 200M 15.0 ±1.5
(.590)
5.0 ±1.5
(.197)
0.8
GT1 1.0 3.5 1K 200M 19.0 ±1.5
(.748)
5.0 ±1.5
(.197)
0.8
GT1.2 1.2 5.5 1K 200M 25.4 ±1.5
(1.0)
5.0 ±1.5
(.197)
0.8
GT2 2.0 5.5 1K 300M 24.0 ±1.5
(.944)
8.0 ±1.0
(.314)
1.0
GT3 3.0 10.0 1K 500M 39.0 ±1.5
(1.50)
8.0 ±1.0
(.314)
1.0
GT5 5.0 15.0 1K 500M 52.0 ±1.5
(2.04)
8.0 ±1.0
(.314)
1.0
GT7.5 7.5 22.5 1K 500M 76.0 ±1.5
(2.54)
9.0 ±1.0
(.354)
1.0
GT10 10.0 32.0 1K 700M 102.0 ±1.5
(4.01)
9.0 ±1.0
(.354)
1.0
GT12 12.0 40.0 1K 500M 127.0 ±1.5
(5.00)
9.0 ±1.0
(.354)
1.0
GT15 15.0 48.0 1K 700M 152.0 ±1.5
(5.98)
9.0 ±1.0
(.354)
1.0
ORDERING INFORMATION
Example: 5W 1 meg 5%
GT5
1M
J
Type
Resistance
Tolerance
D = 0.5%
F = 1%
G = 2%
J = 5%
K = 10%
product guide
TO ORDER PRODUCTS
E mail: microohm@mail.com
Call Toll Free: 1-800-845-5167