The HD ultra-precision through-hole resistor series from Alpha Electronics offers their extremely precise resistor capabilities in a hermetically sealed package. With a resistance range from 1ฮฉ up to 120kฮฉ all in a small through-hole package with a pin pitch of 5.08mm ยฑ0.25mm. By utilising Alpha’s Bulk Metalยฎ foil resistor technology, they are able to produce resistors with low-temperature coefficients and excellent long-term stability. The Alpha Electronics HD hermetically sealed ultra-precision resistor series have been designed with longer leads to ensure the correct clearance from the PCB is achieved when soldering. It is advised that the resistors are kept over 10mm away from the board surface by using an insulating tube.
Attributes | Value |
---|---|
Resistance value | 1ฮฉ to 120kฮฉ |
Tolerance | ยฑ0.005% to ยฑ1% |
TCR | ยฑ1ppm/ยฐC to ยฑ15ppm/ยฐC |
Temperature range | -65ยฐC to +150ยฐC |
Power rating (at 125ยฐC) | 0.3W |
Maximum voltage | 300V |
Dimensions | 10.70 x 4.30 x 10.70mm |
---|---|
Product Type | |
Minimum Resistance | 1ฮฉ |
Resistance Value | Custom (1ฮฉ – 5ฮฉ), Custom (5ฮฉ – 30ฮฉ), Custom (30ฮฉ – 120kฮฉ) |
Maximum Resistance | 120kฮฉ |
Tolerance | |
Power Rating | |
Temperature Coefficient | |
Series / Model | |
Package / Size | |
Temperature Range (ยฐC) | -65 to +150ยฐC |
The HD resistor series is available with various options including standard resistance values and tolerances. The information below gives an example of the part numbering system used for these resistors and the standard options available.
Below is an example of the part number break down for the HD resistor series:
SKU | Temperature Coefficient | Series / Model | Resistance Value | Tolerance |
---|---|---|---|---|
Alpha HDW (1ฮฉ - 5ฮฉ) D | ยฑ15 ppm/ยฐC | Custom (1ฮฉ - 5ฮฉ) | ยฑ0.5% | |
Alpha HDW (1ฮฉ - 5ฮฉ) F | ยฑ15 ppm/ยฐC | Custom (1ฮฉ - 5ฮฉ) | ยฑ1% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) V | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.005% | |
Alpha HDY (30ฮฉ - 120kฮฉ) V | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.005% | |
Alpha HDX (30ฮฉ - 120kฮฉ) V | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.005% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) T | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.01% | |
Alpha HDY (30ฮฉ - 120kฮฉ) T | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.01% | |
Alpha HDX (30ฮฉ - 120kฮฉ) T | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.01% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) Q | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.02% | |
Alpha HDY (30ฮฉ - 120kฮฉ) Q | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.02% | |
Alpha HDX (30ฮฉ - 120kฮฉ) Q | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.02% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) A | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.05% | |
Alpha HDY (30ฮฉ - 120kฮฉ) A | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.05% | |
Alpha HDX (30ฮฉ - 120kฮฉ) A | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.05% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) B | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.1% | |
Alpha HDY (30ฮฉ - 120kฮฉ) B | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.1% | |
Alpha HDX (30ฮฉ - 120kฮฉ) B | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.1% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) D | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.5% | |
Alpha HDY (30ฮฉ - 120kฮฉ) D | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.5% | |
Alpha HDX (30ฮฉ - 120kฮฉ) D | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ0.5% | |
Alpha HDZ (30ฮฉ - 120kฮฉ) F | ยฑ1 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ1% | |
Alpha HDY (30ฮฉ - 120kฮฉ) F | ยฑ2.5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ1% | |
Alpha HDX (30ฮฉ - 120kฮฉ) F | ยฑ5 ppm/ยฐC | Custom (30ฮฉ - 120kฮฉ) | ยฑ1% | |
Alpha HDX (5ฮฉ - 30ฮฉ) B | ยฑ5 ppm/ยฐC | Custom (5ฮฉ - 30ฮฉ) | ยฑ0.1% | |
Alpha HDX (5ฮฉ - 30ฮฉ) D | ยฑ5 ppm/ยฐC | Custom (5ฮฉ - 30ฮฉ) | ยฑ0.5% | |
Alpha HDX (5ฮฉ - 30ฮฉ) F | ยฑ5 ppm/ยฐC | Custom (5ฮฉ - 30ฮฉ) | ยฑ1% |
Product name | SKU | Datasheet | ||
---|---|---|---|---|
Alpha HC Series | Alpha HC Series | View Product | ||
![]() | Alpha HD Series | Alpha HD Series | View Product | |
Alpha HG Series | Alpha HG Series | View Product | ||
Alpha HK Series | Alpha HK Series | View Product | ||
Alpha HL Series | Alpha HL Series | View Product |
The HD resistor series is available with various options including standard resistance values and tolerances. The information below gives an example of the part numbering system used for these resistors and the standard options available.
Below is an example of the part number break down for the HD resistor series:
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