High Voltage Axial Resistors (HVA Series)

Contact Ohmcraft

Printable PDF version of datasheet

Advantages

Our patented Micropen® precision printing technology provides superior precision, thick-film resistors. Ohmcraft’s Micropenned resistors produce superior electrical characteristics including:

Voltage Ratings to 50kV	Ultra High Stability	TCR to 50 ppm/°C
Resistance Values to 10 Gigohms	Very Low Noise	VCR to 0.1 ppm/V
Non-Inductive	Tolerances to 0.1%	Custom Configurations

Electrical Specifications

Electrical Specifications Table

The continuous maximum applied voltage cannot exceed the maximum power rating and is ohmic value dependent.
Value range is case size dependent.
For custom sizes and configurations, consult factory.

How to Order

HVA

Type

Lead Style

Case Size

TCR

Value

Tolerance

Coating

Precision
High-Voltage Axial Resistor

G	Solderable Gold/Nickel Plated Copper, RoHS

H	±50ppm/°C
K	±100ppm/°C

Resistance value expressed as a four digit number, where the first three numbers are the significant value, and the fourth number is the number of zeroes.

B	±0.1%
C	±0.25%
D	±0.5%
F	±1.0%
G	±2.0%
J	±5.0%
K	±10%
L	±20%

1	High Temperature Conformal Silicone

Resistor Dimensions

For custom case sizes, consult factory.

Typical Performance Characteristics

Test	Maximum ΔR
Short Time Overload/Overvoltage	0.5%
Thermal Shock	0.25%
Moisture Resistance	0.4%
Load Life (1000 Hours)	0.5%
Insulation Resistance	10,000 Megohms min.

Parameter	Typical
Operating Temperature	-55°C to 225°C
TCR	Measured from 25°C to 75°C
Resistance Value	Values > 10M are measured at 100 VDC for custom test voltages consult factory

Material Construction

Power Derating Curve

Substrate	Alumina
Coating	High Temperature Silicone Conformal
End Caps	Stainless Steel
Leads	Solderable Gold and Nickel Plated Copper

Custom Configurations Available Upon Request

Please consult with our knowledgeable sales staff for help specifying custom parts to meet your needs.