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  • Manufacturer: Alpha Electronics Corp.

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  1. ADR 6-dial decade resistance box series

    ADR 6-dial decade resistance box series

    The ADR 6-dial decade resistance box series with 6½ digit readings features high resistors, low contact resistance rotary switches, low thermal EMF output terminals and the double shielded construction. There are 5 models available offering different resistance ranges starting from 0.1Ω minimum to 1.111210KΩ maximum up to 10Ω minimum to 11.11110MΩ maximum.

    • Accuracy down to ≤0.005% +2 mΩ for some models
    • Temperature coefficient of resistance ≤5 ppm/°C
    • Long-term stability in resistance ≤50 ppm/year (storage life)
    • Low contact resistance switch and three clip-typed contacts in parallel
    • Low thermal EMF terminal
    • Double electrical shielding protective against noise
    More Info
  2. ADR-1XXX 1-dial resistance box series

    ADR-1XXX 1-dial resistance box series

    The ADR-1xxx series is a standard resistor which is ideally suited for repetitive daily work. The single dial system means the resistance is easily switched from one value to another. This greatly improves work efficiency and helps to avoid mistakes, which may happen when using a 6-dial decade standard resistor. Also suitable for the inspection of Platinum RTD and conductive meters, the resistance elements utilize Bulk Metal® Foil technology and the connections to the rotary switch are made by using 4-terminal junctions. This ensures that high precision, high stability and low temperature coefficients are achieved.

    • Up to 5-digit resistance values on switching contacts may be specified
    • Resistance value range from 1Ω up to 1MΩ
    • Improved work efficiency and elimination of careless mistakes
    • Lightweight, compact size
    • High precision, high stability.
    More Info
  3. ASR primary resistance standards series

    ASR primary resistance standards series

    The ASR series is an extremely stable standard resistor. Alpha Electronic's Ni/Cr alloy Bulk Metal® Foil technology is used as the resistive element, providing high stability and low temperature coefficient. With the extreme stability of this resistor relative to temperature change, the ASR can be used in air without the need of an oil bath or critical environmental temperature control, eliminating added operation and maintenance costs.

    • Excellent long-term stability of resistance, less than 3 ppm/year
    • Low temperature coefficient, less than 0.2 ppm/°C
    • Resistance options between 1Ω to 10MΩ available
    • Excellent AC characteristics due to Bulk Metal Foil technology
    • Compact construction designed for simple operation and storage
    More Info
  4. ATS resistance transfer standards series

    ATS resistance transfer standards series

    The ATS series is a resistance transfer standard used to calibrate working standard resistors by using a primary resistor. They consist of 10 high precision resistors of the same nominal value (R) which are connected in series known as Haymon bridge construction. The ATS unit can be used as a standard resistor due to the low temperature coefficient and high stability features of Bulk Metal® foil technology, ensuring very tight matching accuracy.

    • Uses Bulk Metal® Foil as a resistive element
    • Usable in air without the need of an oil bath due to its superior temperature coefficient
    • Very tight matching accuracy.
    • Excellent long-term stability
    More Info
  5. ATV I/V converter series

    ATV I/V converter series

    The ATV series is a current / voltage (I/V) conversion adaptor used to accurately measure current using a voltage meter. Its small, lightweight construction enables it to be easily attached directly to a voltage meter for ease of operation.

    • Small and lightweight
    • Temperature coefficient of ±2.5 ppm/°C
    • ±0.1% accuracy
    More Info
  6. CLA, CLB ultra precision thermosensitive resistor series

    CLA, CLB ultra precision thermosensitive resistor series

    The CLA and CLB thermosensitive resistor series from Alpha Electronics offers a highly accurate device with a temperature characteristic of resistance which is almost linear. By utilising Alpha Electronics foil resistor technology, they are able to produce these resistors that are ideally designed for temperature detection with a small size and responds rapidly to temperature changes.

    • Stocked in both a 10Ω and 100Ω (CLA model) and 175Ω (CLB model)
    • Available in any resistance between 5Ω to 200Ω upon request (model dependent)
    • ±0.5% tolerance stock available with ±5% to ±0.5% options available upon request
    • Linear +4250ppm/°C TCR characteristic (between 0 to +100°C)
    • Response time of 0.9 seconds (CLA model) and 1.3 seconds (CLB model)
    More Info
  7. CLA, CLB, KLC, NLA, NLB, NMP, NMQ ultra precision thermosensitive resistor series

    CLA, CLB, KLC, NLA, NLB, NMP, NMQ ultra precision thermosensitive resistor series

    The CLA, CLB, KLC, NLA, NLB, NMP and NMQ  thermosensitive resistor series from Alpha Electronics offers a range of highly accurate devices with temperature characteristics of resistance which are almost linear. They offer varying options in terms of size, package type, TCR, resistance values available and tolerance. All parts are produced by utilising Alpha Electronics foil resistor technology. These resistors that are ideally designed for temperature detection with small sizes available and rapid response times to temperature changes.

    • Through hole (CLA, CLB, KLC, NLA, NLB) and surface mount (NMP, NMQ) models available
    • Available in resistance values between 5Ω to 1KΩ depending on model
    • A small selection of ±0.5% tolerance stock available here at Rhopoint with ±5% to ±0.5% options available upon request
    • Linear TCR characteristics (between 0 to +100°C)
    • Response times as low as 0.4 seconds (NMP model)
    More Info
  8. CSR working resistance standards series

    CSR working resistance standards series

    The CSR working standard resistor series uses Bulk Metal® foil resistance elements, which have the same excellent stability and low temperature coefficient of resistance as the ASR series. Bulk Metal® foil offers a precision that cannot be matched by any other resistance material.

    • Wide resistance range available from 1mΩ to 100MΩ
    • Custom resistance values are available on request
    • Compact construction designed for simple operation and storage
    • Terminals aligned in a single row for easier wiring and placement
    • Low cost, high performance
    More Info
  9. EP, EQ ultra precision surface mount resistor series (wire-bondable)

    EP, EQ ultra precision surface mount resistor series (wire-bondable)

    These ultra precision resistors have similar specifications to the MP and MQ resistor series in terms of power ratings, tolerances and resistance values available but are wire-bondable. They are ideal for precision hybrid applications such as A/D hybrids.The metal foil element gives a highly stable low TC together with an excellent long term stability.

    • 30Ω to 30KΩ (EP model)
    • 30Ω to 60KΩ (EQ model)
    • 0.05% tolerance (available for 100Ω upwards)
    • 0±5ppm/°C (please see data sheet for further details)
    More Info
  10. FLA, FLB, FLC metal foil conformally coated resistor series

    FLA, FLB, FLC metal foil conformally coated resistor series

    The FLA, FLB and FLC series offer precision resistors which are conformally coated in small through hole packages. The terminals are designed for easy insertion onto the PCB. They have a working temperature up to +155°C. These metal foil resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • 10Ω to 100KΩ (FLA model)
    • 10Ω to 150KΩ (FLB model)
    • 10Ω to 200KΩ (FLC model)
    • TC options of 5ppm/°C or 2.5ppm/°C
    • ±1% to ±0.05% tolerance options
    • Pin pitch of 2.54mm and 5.08mm available
    More Info
  11. FLAX metal foil resistor series with a TC of 5ppm/°C

    FLAX metal foil resistor series with a TC of 5ppm/°C

    The FLAX metal foil series offer conformally coated radial leaded resistors with a pin pitch of 2.54mm±0.25mm and a temperature coefficient of 5ppm/°C. The terminals are designed for easy insertion onto the PCB. They have a working temperature up to +155°C. These metal foil resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • Stocked in various resistances between 30Ω to 20KΩ
    • Available in any resistance between 10Ω to 100KΩ upon request
    • TCR of ±5ppm/°C between -25°C and +125°C (±2.5ppm/°C option available upon request)
    • ±0.5% Tolerance stock available with ±1% to ±0.05% options available upon request
    • Small Size with 2.54mm pin pitch
    More Info
  12. FLCY metal foil resistor series with a TC of 2.5ppm/°C

    FLCY metal foil resistor series with a TC of 2.5ppm/°C

    The FLCY metal foil series offer conformally coated radial leaded resistors with a pin pitch of 5.08mm±0.25mm and a temperature coefficient of 2.5ppm/°C. The terminals are designed for easy insertion onto the PCB. They have a working temperature up to +155°C. These metal foil resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • Stocked in various resistances between 30Ω to 1000KΩ
    • Available in any resistance between 10Ω to 200KΩ upon request
    • TCR of ±2.5ppm/°C between -25°C and +125°C (±5ppm/°C option available upon request)
    • ±0.1% Tolerance stock available with ±1% to ±0.05% options available upon request
    • Small Size with 5.08mm pin pitch
    More Info
  13. FNP Series Ultra-High Precision High Power Shunt Resistor

    FNP Series Ultra-High Precision High Power Shunt Resistor

    The FNP shunt resistor series from Alpha Electronics offers a range of very high precision current sensing resistors with a maximum power rating of 500W on a suitable heat sink at 25°C.

    The FNP series utilises a Ni-Cr Bulk Metal® foil technology for low TCR, and have a working temperature range between -55°C and +125°C. a built-in Pt100 sensor is incorporated into the resistor for monitoring the resistive element, though this can be omitted as a custom request

    • Power rating of 500W on a suitable heat sink
    • 0.001Ω to 1Ω
    • ±1% to ±0.05% tolerance options available
    • TCR options of ±1ppm/°C (Z) and 2.5ppm/°C (Y) between +25°C and +60°C, and ±5ppm/°C (X) between -25°C to +125°C.
    More Info
  14. HC, HD, HG ultra precision resistor series (hermetically sealed)

    HC, HD, HG ultra precision resistor series (hermetically sealed)

    The HC, HD and HG resistor series offers ultra precision resistors which are hermetically sealed. They offer either 2-terminal versions with the HC and HD types or a 4-terminal (Kelvin) connection with the HG type. They all have a working temperature range between -65°C up to +150°C. The HC series offers a pin pitch of 3.81±0.25mm with the HD series offering a pin pitch of 5.08±0.25mm.

    • 1Ω to 120KΩ (HC and HD models)
    • 1Ω to 10KΩ (HG model)
    • TC options down to 1ppm/°C available between 0°C and +60°C for select resistances
    • ±1% to ±0.005% tolerance options
    • 2-terminal (HC and HD models) and 4-terminal (HG model) available
    • Hermetically sealed
    More Info
  15. HK, HL zero-TCR ultra precision resistor series (hermetically sealed)

    HK, HL zero-TCR ultra precision resistor series (hermetically sealed)

    The HK and HL resistor series offers ultra precision resistors with a zero-TCR typical between 0°C and + 50°C. Both models are hermetically sealed with the difference between the two models being down to the pin pitch with the HK model being 3.81±0.25mm and the HL model being 5.08±0.25mm. They both have a working temperature range between -65°C up to +150°C.

    • 100Ω to 100KΩ (HK and HL models)
    • Typical TCR of 0ppm between 0°C and +50°C (S-Characteristic) across the series.
    • ±1% to ±0.005% tolerance options
    • 2 pin pitch options available
    • Hermetically sealed package
    More Info
  16. LSR high power standard resistor series

    LSR high power standard resistor series

    The LSR high power standard resistor series was developed to meet the requirements of high current / low resistance applications. Bulk Metal® Foil resistive elements are used to ensure the best long-term stability and lowest temperature coefficients are achieved. The enclosure is manufactured from perforated aluminum to allow effective air flow and temperature dissipation during high power operation.

    • Long-term stability better than 20 ppm/year
    • Temperature coefficient of ±2.5 ppm/°C
    • Temperature efficient design to control self-heating
    • Excellent AC characteristics due to Bulk Metal® Foil technology
    • Compact construction designed for simple operation and storage
    More Info
  17. MA, MB, MC, MD ultra precision metal foil resistor series with TC of 0.3ppm/°C (typ.)

    MA, MB, MC, MD ultra precision metal foil resistor series with TC of 0.3ppm/°C (typ.)

    The MA, MB, MC and MD through hole resistor series offer the ultra precision capabilities from Alpha Electronics in radial transfer moulded packages. The transfer moulded case allows the device to be used at temperatures of up to +175°C. These metal foil radial resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • 1Ω to 200KΩ (MA and MC models)
    • 5Ω to 400KΩ (MB models)
    • 5Ω to 80KΩ (MD models)
    • 0.3ppm/°C (typ.) temperature co-efficient
    • ±0.005% to ±1% Tolerance
    • Stability of ±25ppm
    More Info
  18. MAY ultra precision metal foil resistor series with a TC of 2.5ppm/°C

    MAY ultra precision metal foil resistor series with a TC of 2.5ppm/°C

    The MAY through hole resistor series offer ultra precision in radial transfer moulded packages. They have a TCR of ±2.5ppm/°C between -55°C and +125°C. The transfer moulded case allows the device to be used at temperatures of up to +175°C. These metal foil resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • Stocked in resistances between 30Ω to 100KΩ
    • Available in any resistance between 1Ω to 200KΩ upon request.
    • TCR of ±2.5ppm/°C between -55°C and +125°C with a typical TCR of ±0.3ppm/°C (-25°C to +75°C)
    • ±0.01% Tolerance stock available with ±1% to ±0.005% options available upon request
    More Info
  19. MP, MQ ultra precision metal foil surface mount resistor series with a TC of 0.14ppm/°C (typ)

    MP, MQ ultra precision metal foil surface mount resistor series with a TC of 0.14ppm/°C (typ)

    The MP and MQ series of resistors utilise metal foil elements giving a highly stable low TC together with a long term stability of 50ppm/year. The element is mechanically isolated from the contact terminations. Available in two sizes, MP and MQ. These resistors exhibit excellent high frequency characteristics and are suitable for the most demanding precision applications.

    • 30Ω to 30KΩ (MP model)
    • 30Ω to 60KΩ (MQ model)
    • 0.05% tolerance (available for 100Ω upwards)
    • 0.14ppm/°C (typ.) temperature co-efficient ( 0°C - 60°C )
    • Long-term stability 50ppm per year
    More Info
  20. MPH, MQH ultra precision high temperature (up to 200°C) SMT resistor series

    MPH, MQH ultra precision high temperature (up to 200°C) SMT resistor series

    The MPH and MQH series of precision high temperature resistors utilise metal foil elements giving a highly stable low TC. They were also designed with gold-plated J-lead terminals making them suitable for higher temperatures of up to 200°C. Similar to the MP and MQ series, the resistor element is mechanically isolated from the contact terminations to prevent mechanical stress through thermal expansion. The precision resistors are available in 2 sizes covering resistance values between 30 and 60K (MQH series).

    • 30Ω to 30KΩ (MPH model)
    • 30Ω to 60KΩ (MQH model)
    • ±0.05% tolerance (available for 100Ω upwards)
    • ±5ppm/°C temperature coefficient for 100 upwards (-55°C to +125°C)
    • Working temperatures between -65°C and +200°C
    More Info

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