High Resistance Chip Resistors (SM Series)


Our patented Micropen® precision printing technology provides ultra precision, thick-film high ohmic value, surface mount resistors. Exxelia Ohmcraft’s Micropenned serpentine patterned resistors produce superior electrical characteristics:

  • Voltage Ratings to 600 Volts
  • Resistance Values to 50 Gigohms
  • Ultra High Stability
  • Very Low Noise
  • Tolerances to 0.1%
  • TCR to 25 ppm/°C
  • VCR to 1 ppm/V
  • Custom Configurations

SM Electrical Specs

The continuous maximum applied voltage cannot exceed the maximum power rating and is ohmic value dependent. Value range is case size dependent.
Standard case sizes: 0402, 0403, 0502, 0504, 0603, 0805, 1004, 1005, 1206, 1210, 1505, 2010, 2208, 2510, 2512, 3512, 4020, 5020.
For custom sizes and configurations, consult factory.

How to Order

Packaging options: Bulk, Tape & Reel or Flat Pack

HVC Wrap Around HVC Bondable
B and T Terminations
G, Z, and S Terminations

SM Chip Dimensions

Other available case sizes: 0403, 0502, 0503, 0504, 1004, 1005, 1210, 1505, 2208, 2510, 4020, 5020. Please consult factory.

Test Maximum ΔR
Short Time Overload 0.1%
Load Life 0.1%
Temperature Cycle 0.1%
Moisture Resistance 0.1%
Shock 0.05%
Vibration 0.05%
Dielectric Withstanding Voltage 0.05%
Resistance to Soldering Heat 0.05%
Parameter Typical
Operating Temperature -55°C to 150°C
TCR measured from 25°C to 75°C
Resistance Value Values > 10M are measured at 100 VDC For custom test voltages consult factory

Tape and Reel Specifications

Parts are packaged in accordance with EIA-481 tape and reel specifications
Power Derating Curve

Power Derating Curve

Material Construction

Resistive Element: Thick Film

Substrate: 96% Alumina

Encapsulation: Epoxy

Termination: Tin over nickel barrier, lead solder over nickel barrier, or gold

Custom Configurations Available Upon Request

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

New Project Inquiries

This field is for validation purposes and should be left unchanged.