BT Series
Cylindrical Ultra High Ohmic Resistors
Thick Film, Non-Inductive
Ultra High Ohmic, High Voltage & High Frequency Resistors - 700M to 10T
Micro-Ohm offers the BT series of Ultra High Ohmic values at reasonable prices. An epoxy conformal coat, which has very good humidity protection and good Voltage Coefficient.

Main Usage:
BT series resistors are designed to help provide current pulse limiting, detection of trickle current.

Resistance Range: 700M to 10T
Resistance Tolerance: 0.5%, 1%, 2%, 5%, & 10%
Temperature: -50°C to +195°C
Thermal Shock: Mil-Std-202, Method-107, Cond. C, R, 0.50% max.
Load Life: 1,000 hours at rated power R 0.7% max.
Insulation Resistance: 10,000MΩ min.
Cap & Lead Material: Tinned Cap, tinned copper wire
Resistive Marterial: Thick Film
Dimensions
Model
No.
Wattage at 25°C Max. Continuous
Oper. Volt [kV]
Impulse
Voltage [kv]
1.2x50µsec
Resistance
()
Min. Max.
BT50 0.5 2.0 4.0 700M 50G
BT70 0.7 5.0 10.0 700M 1T
BT1 1.0 5.0 10.0 700M 1T
BT1.5 1.5 10.0 20.0 1G 10T
BT2 2.0 12.0 24.0 1G 10T
Model
No.
Dimensions in milimeters
A B C
BT50 15.0 ±1.5 5.0 ±1.5 0.8
BT70 25.4 ±1.5 5.0 ±1.5 0.8
BT1 24.0 ±1.5 8.0 ±1.0 1.0
BT1.5 39.0 ±1.5 8.0 ±1.0 1.0
BT2 52.0 ±1.5 8.0 ±1.0 1.0
Temperature
Coefficient
R-Range
1GΩ to 9GΩ
10GΩ to 300GΩ
400GΩ to 1TΩ
1.1TΩ to 10TΩ
R taken @ 25°C and 70°C
[ppm]/°C
200
300
1000
1500
Voltage
Coefficient
R-Range
10GΩ to 19GΩ
20GΩ to 100GΩ
200GΩ to 1TΩ
10TΩ
Measured at 100vdc and 1000vdc
VCR
0.002%/V
0.007%/V
0.01%/V
0.05%/V
Resistance Tolerance (%)
R-Range
1GΩ
2GΩ to 10GΩ
20GΩ to 100GΩ
200GΩ to 1TΩ
10TΩ
Measured at 1000vdc standard
Std.
±1%(F)
±2%(G).
±5%(J)
±10%(K) ±20%
Custom
±0.5%
±1%
±2%
±5%
±10%
ORDERING INFORMATION
Example: 2W 1Gig 5%
BT2
1G
J
Type
Resistance
Tolerance
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