PT Series, High Voltage Divider Set,
Thick Film, Non-Inductive R1 & R2
Micro-Ohm offers the PT series to meet special requirements. High Voltage, High Frequency Functional Precision divider sets at reasonable prices. Applications: Ultra Precision Voltage Probes, Multi Channel Input Impedance, various kinds of Precision Voltage Dividing Equipment.
Specifications
Absolute Resistance Tolerance: 1%
Voltage Ratio Tolerance: 0.1% ~ 1.0%
Temperature Coefficient:
70ppm/°C typ., Custom 25ppm/°C 50ppm/°C referenced to 25°C, from -25°C to +70°C, Other TCR on request.
Overload/Voltage: 1.5 x rated power for 5 sec:
∆R 0.25% (do not exceed 1.5 x V max)
Thermal Shock: Mil-Std-202, Method-107, Cond. C, ∆R, 0.25% max.
Load Life: 1,000 hours at rated power ∆R 0.50%
Moisture Resistance: Mil-Std-202, Method-106, ∆R, 0.5%
Insulation Resistance: 10,000 Megohms Min.
Terminations: Tinned Plated or Nickel Plated Bronze Cap, Silver Metalized Terminals or Tinned Plated Steel Lugs
Lead Material: Tinned Plated Cu.
Encapsulation: Epoxy Conformal coat or Glass coat
Dimensions (mm)
Model
No.
L
±3
B
±2
d
±2
D
±1
E
±2
F
±1
G
PT40 158 16 15 12 12.7 5 M4
PT80 308 32 32 18 40 7 M6

Two Matched resistors with end caps in one package R1 + R2 (tapped)
Models
Model No. Wattage
@ 50°C
Max. Operating
Voltage [kV]
Resistance
[ohm]
R1 + R2
Voltage
Ratio
PT40 10 40 10M~10G 1:100~1:20000
PT80 50 80 10M~10G 1:100~1:20000

Derating Curve
ORDERING INFORMATION
Example: 10W 10Gig/10meg .1%M 1.% Absolute
PT40
10G & 10 M
B
F
Type
R1 & R2
Ratio Match
F= 1%
D = .5%
C = .25%
B = .1%
Absolute Resistance Tolerance
product guide
TO ORDER PRODUCTS
E mail: microohm@mail.com
Call Toll Free: 1-800-845-5167