±0.25% series

Resi PZFR Series

Precision foil chip resistor with 5Ω to 125kΩ range, ±0.01% tolerance and ±2 ppm TCR for ultra-stable SMD circuit designs.

Datasheet

PZFRXXXXXXXXXXX

Caddock 1776 Series

Precision voltage dividers
Resistance ranges from 900Ω to 10MΩ
Absolute Tolerance of +0 -0.5%, ±0.1% or ±0.25%
VCR from ±0.02 ppm/V to ±0.5 ppm/V
Voltage rating of 750V up to 1.2kV
Temperature range 1 from -40°C to +85°C Temperature range 2 from 0°C to +70°C

Datasheet

Caddock 1776 Series

Caddock 1787 Series

Current sensing resistor network
Resistance ranges from 0.9Ω to 1kΩ
Absolute Tolerance of ±0.05%, ±0.1% or ±0.25%
TCR from ±50 ppm/°C to ±100 ppm/°C
Power rating of 1W depending on the model
Temperature range from -55°C to +85°C

Datasheet

Caddock 1787 Series

Caddock 1789 Series

Precision resistor network
Resistance range from 0.5Ω to 10kΩ
Tolerance of ±0.05% to ±1.0%
TCR of ±50, ±80 or ±100 ppm/°C
Power rating of 100mW up to 2W per resistor
Temperature range from 0°C to +70°C

Datasheet

Caddock 1789 Series

Caddock MG Standard Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 600V up to 30kV *
Resistance values from 200Ω up to 2GΩ *
Tolerances of ±0.1%, ±0.25%, ±0.5% and ±1%
TCR as tight as ±80 ppm/°C from -15°C to +105°C
Maximum power rating from 0.5W up to 15W *
Operating Temperature Range of -55°C to +225°C

_{* Dependant on selected resistor model}

Datasheet

Caddock MG Series

Caddock T1794 Series

Custom through-hole low TCR precision SIP resistor networks
Ratio-of-ratios as required down to as close to 0.025%
Unique thin-profile, single-in-line edge-mounted package
Utilises Caddock’s Tetrinox® resistance technology

Datasheet

Caddock T1794 Series

Caddock TG Series

Precision high voltage axial leaded through-hole resistor
Resistance range: 25 kΩ to 1,000 MΩ
Temperature coefficient: ±25 ppm/°C from -55°C to +125°C
Load life stability: 0.25% per 1,000 hours at +125°C
Resistance tolerance options: ±0.1%, ±0.25%, ±0.5%, ±1%
Maximum continuous operating voltage up to 30 kV
-15 series increases maximum voltage by 60%

Datasheet

Caddock TG Series

VPG FHR 2-3025 Series

Precision power shunt resistor
Through-hole design with heat sink
Resistance range from 0.01Ω to 100Ω
Tolerance from ±0.25% or ±5%
TCR of <±50 ppm/°C
Power rating of 40W on a suitable heat sink
Temperature range from -40°C to +130°C

Datasheet

VPG FHR 2-3025

VPG FHR 2-3818 Series

Precision power shunt resistor
Through-hole design with heat sink
Resistance range from 0.01Ω to 100Ω
Tolerance from ±0.25% or ±5%
TCR of <±50 ppm/°C
Power rating of 40W on a suitable heat sink
Temperature range from -40°C to +130°C

Datasheet

VPG FHR 2-3818

VPG FHR 4-2321 Series

Precision power shunt resistor
4-terminal through-hole design
Resistance range from 0.001Ω to 50Ω
Tolerance from ±0.1%
TCR of 15 ppm/°C or 25ppm/°C
Power rating 40W on a suitable heat sink
Temperature range from -40°C to +130°C

Datasheet

VPG FHR 4-2321 Series

RARA RH25 (Inductive)

Inductive Metal clad wire wound resistor
Resistance range between 0.27Ω and 25kΩ
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +250°C
Cement moulding within aluminium housing
Short time overload of 5 x power rating is 5 seconds
Mounts on chassis to utilise heat sink effect

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RH25-1-1

RARA RH25 (Non-Inductive)

Non-Inductive Metal clad wire wound resistor
Resistance range between 0.1Ω and 10kΩ
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +250°C
Cement moulding within aluminium housing
Short time overload of 5 x power rating is 5 seconds
Mounts on chassis to utilise heat sink effect

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RH25-1

RARA RH50 (Inductive)

Metal clad wire wound resistor
Resistance range between 0.68Ω and 50kΩ
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +250°C
Cement moulding within aluminium housing
Short time overload of 5 x power rating is 5 seconds
Mounts on chassis to utilise heat sink effect

RH25-1-2-1

RARA RH50 (Non-Inductive)

Metal clad wire wound resistor
Resistance range between 0.2Ω and 20kΩ
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +250°C
Cement moulding within aluminium housing
Short time overload of 5 x power rating is 5 seconds
Mounts on chassis to utilise heat sink effect

RH25-1-2

SRT CHM 4020

Non-magnetic thick film chip resistor
Resistance range from 100kΩ to 10TΩ
Tolerances from ±0.5% to ±30%
TCR from ±25 ppm/°C to ±2000 ppm/°C
Power rating of 2W (at +70°C)
Temperature range from -55°C up to +155°C

Datasheet

SRT CHM 4020

The SRT CDV Series high‑voltage thick film chip resistor dividers in 2512 and 4020 chip sizes offer R1 values up to 1 GΩ, divider ratios to 1000:1 and maximum working voltages up to 4,000 V. Low TCR options, non‑magnetic variants and a no‑organics design support precise operation in demanding high‑voltage and high‑vacuum applications.

Datasheet

SRT CDV 4020