The A-H1 current sensing precision resistor series from Isabellenhütte offers 4-terminal through-hole connection technology for current sensing applications. Designed for easy heat sink mounting, the Kelvin connections on this resistor allow high precision measurements even with low resistance values ranging from 1mΩ to 100Ω. The A-H1 series from Isabellenhütte has a low inductance of <10nH and has high pulse power handling capabilities.
| Attributes | Value |
|---|---|
| Resistance value * | 1mΩ to 100Ω |
| Tolerance | ±0.1% / ±1% |
| TCR | <±30 ppm/°C (20-60°C) |
| Temperature range | -55°C to +140°C |
| Power rating | 3W (free air) / 10W (on a suitable heatsink) |
| Thermal resistance to ambient | <15°C/W (Rth) |
| Thermal resistance to aluminium substrate | <3°C/W (Rthi) |
| Dielectric withstanding voltage | 500V AC/DC |
| Inductance | <10nH |
| Stability (deviation after 2000hrs) | <0.1% (Tᴋ = 80°C with heatsink) / <0.2% (Tᴋ = 95°C with heatsink) Tᴋ = Terminal Temperature |
* Please visit the Ordering Info tab or contact us for further details
Isabellenhütte is one of the world’s leading suppliers of high-quality precision and power resistors. They produce these low-resistance resistors for a variety of applications such as the ones above. Isabellenhütte & Rhopoint Components are your ideal partners when it comes to achieving the best possible measurement results in the smallest spaces. Please visit www.isabellenhuette.de for more information.
| Dimensions | 18.5 x 5 x 46mm |
|---|---|
| Product Type | |
| Package / Size | |
| Resistance Value | 0.001Ω, 0.005Ω, 0.01Ω, 0.02Ω, 0.05Ω, 0.1Ω, 0.2Ω, 0.25Ω, 0.3Ω, 0.5Ω, 1Ω, 5Ω, 33Ω, 100Ω |
| Minimum Resistance | 0.001Ω |
| Maximum Resistance | 100Ω |
| Tolerance | |
| Temperature Coefficient | |
| Current Rating | |
| Power Rating | |
| Temperature Range (°C) | -55 to +140°C |
| Series / Model | |
| Termination / Connection | F1-K2 |
Resistance value, in ohms, is expressed by a series of 4 characters, 3 of which represent significant digits. R (ohms) designates the location of the decimal point.
| Resistance Value | Part Number Value | 0.1% Tolerance | 1% Tolerance |
|---|---|---|---|
| 0.001Ω | R001 | ||
| 0.005Ω | R005 | ||
| 0.01Ω | R010 | ||
| 0.02Ω | R020 | ||
| 0.05Ω | R050 | ||
| 0.1Ω | R100 | ||
| 0.2Ω | R200 | ||
| 0.25Ω | R250 | ||
| 0.3Ω | R300 | ||
| 0.5Ω | R500 | ||
| 1Ω | 1R00 | ||
| 5Ω | 5R00 | ||
| 33Ω | 33R0 | ||
| 100Ω | 100R |
| SKU | Resistance Value | Tolerance | Series / Model | Termination / Connection |
|---|---|---|---|---|
| Isa A-H1-5R00-F1-K2-0.1 | 5Ω | ±0.1% | ||
| Isa A-H1-R001-F1-K2-0.1 | 0.001Ω | ±0.1% | ||
| Isa A-H1-R001-F1-K2-1.0 | 0.001Ω | ±1% | ||
| Isa A-H1-R005-F1-K2-1.0 | 0.005Ω | ±1% | ||
| Isa A-H1-R010-F1-K2-0.1 | 0.01Ω | ±0.1% | ||
| Isa A-H1-R020-F1-K2-0.1 | 0.02Ω | ±0.1% | ||
| Isa A-H1-R050-F1-K2-0.1 | 0.05Ω | ±0.1% | ||
| Isa A-H1-R100-F1-K2-0.1 | 0.1Ω | ±0.1% | ||
| Isa A-H1-R250-F1-K2-0.1 | 0.25Ω | ±0.1% | ||
| Isa A-H1-R200-F1-K2-0.1 | 0.2Ω | ±0.1% | ||
| Isa A-H1-R300-F1-K2-0.1 | 0.3Ω | ±0.1% | ||
| Isa A-H1-R500-F1-K2-0.1 | 0.5Ω | ±0.1% | ||
| Isa A-H1-1R00-F1-K2-0.1 | 100Ω | ±0.1% | ||
| Isa A-H1-33R0-F1-K2-0.1 | 1Ω | ±0.1% | ||
| Isa A-H1-100R-F1-K2-0.1 | 33Ω | ±0.1% |
We are very pleased to provide you with a range of videos, please see below for the latest content available:
| VIDEOS | |
|---|---|
| Introduction to Isabellenhütte Heusler GmbH & Co. KG
Introduction video to Isabellenhütte, their business and product applications examples |
|
| Isabellenhütte precision and power resistors application overview
This video highlights customer applications and application options of Isabellenhütte’s precision and power resistors |
|
| VIDEOS | |
|---|---|
| Introduction to Isabellenhütte Heusler GmbH & Co. KG
Introduction video to Isabellenhütte, their business and product applications examples |
|
| Isabellenhütte precision and power resistors application overview
This video highlights customer applications and application options of Isabellenhütte’s precision and power resistors |
|
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