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Scientific Instrumentation

A wide range of precision and ultra-precision resistors from Alpha Electronics, General Resistance and Susumu, power resistors from Caddock and current sensing resistors and shunts from Isabellenhütte in a variety surface-mount and through-hole packages and virtually any resistance value.

Variety of NTC and PTC thermistors, thermal probes and inrush current limiters from Ametherm.

A range of digital isolators from NVE Corporation, based on their patented spintronic GMR technology.

Isabellenhütte VMP-NA Series

Current sensing precision resistor
Gold plated 2-terminal surface-mount design in a 2010 chip size
Resistance values of 0.025Ω and 0.08Ω
Tolerances of ±1% or ±5%
TCR value of <±20 ppm/°C
Power rating of 2W (at +90°C)
Temperature range from -55°C to +170°

Isabellenhütte VMS Series

Current sensing precision resistor
2-terminal surface-mount 2512 chip size
Resistance range from 0.005Ω to 1Ω
Tolerance range from ±1% to ±5%
TCR of <±20 ppm/°C
Power rating 4W (at +70°C)
Temperature range from -65°C to +170°C

Isabellenhütte ISAOHM^®

ISAOHM® resistance alloy
High resistivity Nickel-Chromium (NiCr20AlSi)
Low-temperature coefficient
Low thermal EMF compared to Copper
High tensile strength
Temperature range of up to +250°C in free air

Isabellenhütte ISOTAN^®

ISOTAN® thermocouple alloy
Versatile Copper-Nickel alloy (CuNi44Mn1)
Low-temperature coefficient
High resistance to oxidation and chemical corrosion
Suitable for resistance and thermoelectric applications including negative leads of thermocouple types J, L, T, U and E

Isabellenhütte MANGANIN^®

MANGANIN® resistance alloy
Copper-Manganese-Nickel alloy (CuMn12Ni)
Very low-temperature coefficient
Extremely low thermal EMF compared to Copper
Excellent long term stability
Industry-standard material for precision resistors and shunts

NVE ACT001-10E

TMR isolated current sensor
Low current detection & measurement
On-chip current strap for precise operation
Linear range of −500mA to +500mA
Sensitivity of 0.04 V/V-mA
Ultraminiature DFN6 Package

NVE AHT922-01

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 4.5mT

NVE AHT922-14E

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 4.5mT

NVE AHT923-01

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 3.2mT

NVE AHT923-14E

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 3.2mT

NVE AHT924-01

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 2.2mT

NVE AHT924-14E

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 2.2mT

NVE AHT925-01

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 1.5mT

NVE AHT925-14E

Low voltage, nanopower TMR digital switch
In-plane direction of sensitivity
Omnipolar – output is activated if magnetic field of either polarity is applied
Continuous operation for low noise and high-speed
Ultrasensitive operate point, as low as 1.5mT

NVE ALT025-10E

Analog TMR bridge sensor
Revolutionary bipolar differential output
Large signals, typically 20 mV/V/mT
Linear range of ±10 mT (±100 Oe)
Ultra-low temperature coefficient of output (±0.1 %/°C)

NVE IL260-1E

High Speed digital isolators
Five channel, unidirectional isolation
2.5kV_RMS isolation voltage
600V_RMS woking voltage per VDE V 0884-10
50 kV/μs typical (30 kV/μs minimum) common mode transient immunity
No carrier or clock for low EMI emissions and susceptibility
Quiescent current of 0.0012A per channel minimum
2ns typical pulse width distortion
100ps pulse jitter
4ns typical propagation delay skew
44000 year barrier life
Excellent magnetic immunity
VDE V 0884-10 certified; UL 1577 recognised
QSOP package