SRT CHM 0805 Series

Product Features

Non-magnetic thick film chip resistor
Resistance range from 100kΩ to 1TΩ
Tolerances from ±0.5% to ±30%
TCR from ±25 ppm/°C to ±2000 ppm/°C
Power rating of 0.125W (at +70°C)
Temperature range from -55°C up to +155°C

Applications

The CHM 0805 high ohmic non-magnetic resistor series from SRT Resistor Technology offers a wide resistance range from 100kΩ up to 1TΩ, power rating of 0.125W and voltage rating of 200V trimmed or 400V untrimmed (tolerances ≥5%), all in a small 0805 surface mount package. By utilising SRT’s meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±0.5% (between 100kΩ and 100MΩ) as well as a TCR of ±25 ppm/°C and a VCR as low as ±100 ppm/V (between 100kΩ and 100MΩ). The CHM 0805 resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

Meander structured surface-mount thick film chip resistor
Available in any resistance between 100kΩ and 1TΩ
0805 package
Power rating of 0.125W at +70°C
Voltage rating of 200V trimmed or 400V untrimmed (tolerances ≥5%)
Tolerances as low as ±0.5% over the resistance range of 100kΩ up to 100MΩ
TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 100MΩ
VCR as low as ±100 ppm/V over the resistance range of 100kΩ up to 100MΩ
Temperature range from -55°C up to +155°C
Non-magnetic
PtAg (platinum silver) terminations for conductive gluing and soldering
Low temperature and voltage dependency
No organics

The CHM high ohmic non-magnetic resistor series is also available with an extended high temperature range version (up to +300°C). Please see the separate CHM-HT product pages for further information.

Lower tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

The below table gives full specifications for each resistor model available including the CHM 0805 series:

¹⁾ At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
²⁾ TCR: in ppm/K; +25°C…+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C…+85°C
³⁾ VCR: typical values, all negative, not for all TCR values available

SRT CHM 0805 Series

Resistance Value
Temperature Coefficient
Tolerance
Clear

Custom resistance value (Ω) *
Custom AT Range (AT) *
Custom Capacity (lbs) *
Custom Pressure (Bar/PSI) *
Custom Resistance Value Element 1 (Ω) *
Custom Resistance Value Element 2 (Ω) *
Custom lead length (mm) *
Custom lead length (inches) *

Quantity

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Specifications

Weight	0.00000 kg
Dimensions	0.40 x 1.25 x 2.00mm
Maximum Resistance	1TΩ
Minimum Resistance	100kΩ
Package / Size	Surface-mount, 0805
Power Rating	0.125W
Product Type	Thick Film, Non-Magnetic, Resistor
Resistance Value	Custom (100kΩ – 100MΩ), Custom (100MΩ – 1GΩ), Custom (1GΩ – 10GΩ), Custom (10GΩ – 100GΩ), Custom (100GΩ – 1TΩ)
Series / Model	CHM
Temperature Coefficient	±50 ppm/°C, ±100 ppm/°C, ±250 ppm/°C, ±500 ppm/°C, ±1000 ppm/°C, ±2000 ppm/°C
Temperature Range (°C)	-55 to +155°C
Termination / Connection	PtAg
Tolerance	±0.5%, ±1%, ±2%, ±5%, ±10%, ±20%, ±30%

RoHS Compliant Product – SRT with Exemption

This product is available compliant to the RoHS EU directive 2011/65/EU, however, the following exemptions according to the RoHS annex are applicable:

No. 7(a) – 'Lead in high melting temperature type solders (i.e. lead-based alloys containing 85% by weight or more lead)' used in leaded resistors
No. 7(c)-I – 'Electrical and electronic components containing lead in glass or ceramic…or in a glass or ceramic matrix compound' used in chip resistors and leaded thick film resistors

SRT CHM Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:

DOCUMENTATION
	SRT CHM high ohmic meander structured SMD chip resistor datasheet