Precision / Ultra-Precision Resistors

SRT CRB 1216H

Non-Magnetic Trimmable Thick Film Chip Resistors
  • Trimmable non-magnetic, thick film chip resistor
  • Resistance range from 1Ω to 10MΩ
  • Tolerances from ±5% to ±30%
  • TCR from ±50 ppm/°C to ±250 ppm/°C
  • Power rating of 0.4W (at +70°C)
  • Temperature range from -55°C up to +155°C

SRT GST 1210

High Value Radial Leaded Resistors
  • Non-magnetic, radial thick film resistor
  • Resistance range from 1MΩ to 100GΩ
  • Tolerances from ±0.5% to ±30%
  • TCR from ±25 ppm/°C to ±2000 ppm/°C
  • Power rating of 0.5W (at +70°C)
  • Temperature range from -55°C up to +150°C

SRT GST 2512

High Value Radial Leaded Resistors
  • Non-magnetic, radial thick film resistor
  • Resistance range from 1MΩ to 1TΩ
  • Tolerances from ±0.5% to ±50%
  • TCR from ±25 ppm/°C to ±1000 ppm/°C
  • Power rating of 1W (at +70°C)
  • Temperature range from -55°C up to +150°C

SRT GST 4020

High Value Radial Leaded Resistors
  • Non-magnetic, radial thick film resistor
  • Resistance range from 1MΩ to 1TΩ
  • Tolerances from ±0.25% to ±30%
  • TCR from ±25 ppm/°C to ±500 ppm/°C
  • Power rating of 2W (at +70°C)
  • Temperature range from -55°C up to +150°C

Resi ARCS6918-L050

High-Precision Shunt Based Current Sensing Module
High-current shunt sensing module with 50µΩ resistance, 700A rating and low thermal EMF for accurate current measurement in power electronics systems.

Resi EWWR Series

Axial Lead Wirewound Resistors
Coated wirewound fixed resistor with 0.1 Ω to 8.2 kΩ resistance range, 1W to 10W power rating and non-flammable coating for high-power circuits.

Resi HRES6918BL025MST0

High-Precision Shunt Based Current Sensing Module
High-precision shunt current sensing module with 25µΩ resistance, 600A rated current and 15mV output for BMS, ESS, EV and eVTOL applications.

Resi MMFR Series

Precision Metal Film Molded Resistor
A high‑stability precision metal film resistor with 10Ω to 1MΩ range, 0.25W–1W rating, ultra-tight ±0.05% tolerance, low ±5 ppm/°C TCR, and durable through-hole, moisture-resistant construction.

Resi PTFR Series

High-Stability Precision Thin Film Chip Resistor
Precision thin film chip resistor with 10Ω to 5.1MΩ range, tolerance down to ±0.01% and TCR as low as ±5ppm/℃ for high-stability SMD circuits.

Resi SRES6918BL100VST0

High-Precision Shunt Based Current Sensing Module
High-precision shunt current sensing module with 100µΩ resistance, 400A current rating and ±0.1% accuracy for EV, BMS and energy storage systems.

Caddock MK227 Series

Precision Power Radial-Lead Film Resistors
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 200V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C

Caddock MK232 Series

Precision Power Radial-Lead Film Resistors
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 200V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C

Caddock MK727 Series

Precision Power Radial-Lead Film Resistors
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 400V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C

Caddock MK732 Series

Precision Power Radial-Lead Film Resistors
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 400V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C

Caddock TF020 Series

Low TC Ultra-Precision Film Resistors
  • Ultra-precision film through-hole resistor
  • Radial or axial leaded variants available
  • Maximum working voltage of 300V
  • Constructed with Caddock’s Tetrinox® resistance films
  • Long term stability to 0.01% per 1,000 hours
  • Storage temperature range from -55°C up to +105°C

Caddock TF050 Series

Low TC Ultra-Precision Film Resistors
  • Ultra-precision film through-hole resistor
  • Radial or axial leaded variants available
  • Maximum working voltage of 1.4kV
  • Constructed with Caddock’s Tetrinox® resistance films
  • Long term stability to 0.01% per 1,000 hours
  • Storage temperature range from -55°C up to +105°C

Custom Component Solutions

Working alongside your design team from the earliest stage, we help you select the right part for the application and, where a standard part will not do, develop customised components with our manufacturing partners such as lead length, termination and package size.

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Precision / Ultra-Precision Resistors

Resistors specified by tolerance, temperature coefficient and long-term stability rather than by power rating. Used in instrumentation front ends, references and calibration circuits, where drift over years is the property that decides the design.