willow overview brochure

Providing Electronic Solutions
Specialists in Switching,
Sensing, Hermetic Seals
& Resistive Products.
We want to hear about
your design problems…
About Willow Technologies Limited
Willow, founded in 1989, provides solutions to customers by
designing, manufacturing and supplying components and
• Leading global provider of specialist
switching, sensing, hermetic seal
and resistive solutions
• In-house product engineering and
design capabilities
systems to the electrical and electronic marketplace across
the globe. Specialists in switching, sensing, resistive and
hermetic seal solutions, the company has a wide portfolio of
technologies and over 60 years of application experience.
With an in-house engineering capability and a production
• Production facility enabling rapid
prototyping of custom parts
facility for rapid prototyping of custom parts, the company is
• Over 60 years of application experience
application requirements. Willow is ISO9001:2000 registered.
well equipped to develop products matching customer specific
MEMS Accelerometers
• ±1g to ±10g, 3 axis XYZ
• Analogue & digital outputs (SPI, I2C)
• Small size 3x3x0.9mm LGA & DFN package
• High performance <45μg / Hz
• Low power <1mA operating <5μA standby
Temperature Sensors
• Platinum thin film RTD’s
• NTC & PTC leaded & SMD thermistors
• Thermopiles (customised window filters)
• PTC heaters
• PIR sensors
MEMS Gyroscopes
• ±50º/sec to ±1500º/sec
• Analogue & digital outputs (SPI)
• User configurable rate range & bandwidth
• Wide operating temperature range -40 to +125ºc
• High bandwidth for dynamic applications
Humidity Sensors
• Humidity & temperature on a single SMD chip
• ±2% accuracy, 20-80%RH, factory calibrated
• ±1ºC temperature accuracy
• Analogue & digital interfaces
• 0-100% RH range over -50º to 150ºC operating
Geo – Magnetic Sensors
• ±300μT range with 0.6μT/ count resolution
• 3 axis XYZ, digital (I2C) output
• Small size 2x2x1.0mm WLCSP package
• Automatic powerdown
• 3 pins included for XYZ accelerometer inputs
Pressure Sensors
• -100KPa to +1000KPa range
• Pre-amplified, pre-calibrated & pre-compensated
• Small size SMD packages
• Gauge, absolute & differential types
• Gases & liquid media
Electronic Compass Modules
• Tilt compensated heading, full 360º of rotation
• Heading accuracy down to 0.3º rms
• Pitch & roll accuracy down to ±0.2º
• Digital output via RS232 & NMEA0183
• Built in Hard Iron & Soft Iron calibration
Wireless Sensor Networks
• 2.4GHz ISM band
• IEEE 802.15.4 / Zigbee
• Ad-hoc mesh networking
• Development kits
• Custom modules
Motion Switches & Sensors
• Vibration, Tilt, Tip-over
• G-Force
• Hermetically sealed
• Small size & weight
• Long life, low cost
Hermetic Seals
• Compression & Matched types
• Ceramic-to-Glass bonding
• Metal-to-Metal brazing
• Glass-to-Metal sealing
• Single & multiple pin, Feed-throughs
Inclinometers
• ±180º roll & ±90º pitch range
• Single & dual axis (roll & pitch)
• Analogue & digital RS232 outputs
• Programmable resolution, & settling time
• High accuracy ±0.2º, temperature compensated
Relays - Automotive
• High Current, up to 100A
• 12VDC and 24VDC operation
• Mounting options, including PCB
• DC motor control
• Low cost
Inertial & Navigation Units
• GPS aided inertial systems (NAV, AHRS, VG, IMU)
• MEMS & FOG technologies
• General Aviation Certified FAA TSO C4c & C6d
• Qualified DO-160D & DO-178B Level C
• RS232 & ARINC 429 interfaces
Relays - PCB Power
• Up to 45A / 230VAC
• Wide selection of voltage and current capabilities
• Miniature & SMD versions
• Industry standard styles
• Solid-state relays up to 30A, 1 phase & 3 phase
Our Mission
“Our organisation is focused upon solving customer problems
centred around the core technologies of switching, sensing and
resistive devices and their packaging. We develop long term
relationships with our customers and suppliers to provide the
highest quality products & services exceeding the needs of our
…for more information
please visit our website
www.willow.co.uk
partners. We practise integrity and fairness in all that we do. We
are an independent resource of product & knowledge, available as
a key member of our partners operations from concept to delivery
and beyond. We are a growth orientated, profitable organisation,
re-investing to maintain a position of financial strength ensuring that
we continue to expand upon the products and services we offer today.”
Relays - Industrial
• Interface relays - DIN rail mounting
• Relays & contactors up to 400A
• Solid-state relays
• DIN rail & chassis sockets
• Custom versions
Resistors - SMD
• SMD from 0201-7520 & Melf - Mini-Melf
• Resistance values from 0.001-10 TΩ
• Tolerances from +/-20% to +/-0.01%
• Temperature coefficients to <5ppm/°C
• Voltages up to 3kV & wattage up to 30W
Relays - Signal, RF & Military
• Sub-miniature telecommunication styles
• Hermetically sealed, DC to 3GHz
• High temperature and vibration resistance
• Latching relays
• Solid-state relays
Resistors - High Voltage
• Wide range of values, tolerances, TCR’s
• Voltages from <1kV up to +800kV
• Axial, Radial & SMD package types available
• Non-Inductive designs for HF applications
• Custom high energy & pulse capabilities
Relays - Safety
• Force guided relays
• High current switching - up to 16A / 230VAC
• Up to 10 Contacts
• Industry leading styles
• Industry smallest and lowest height
Resistors - Low Ohmic
• Resistance values from 0.0001-1Ω
• Voltages up to 3kV & wattage up to 3W
• Tolerances to +/-0.01%
• Temperature coefficients to <1ppm/°C
• 2 & 4 terminal for current measurement
Co-axial Switches
• RF, Broadcast, Military, & Avionics
• DC to 26.5GHz, SPDT to SP8T
• High quality - Latching or Failsafe
• Hermetic sealed - indicators and cutoffs available
• Custom Matrices
Resistors - High Ohmic
• Resistance Values from 1K-100 TΩ
• Voltages up to 100kV & Wattage up to 150W
• Tolerances to +/-0.25%
• Temperature coefficients to <25ppm/°C
• Leaded, SMD, Heatsink & custom designs
Timers & Monitoring Relays
• Multi-Function, Multi-Time ranges
• 1 & 3 phase voltage monitoring - phase and sequence
• Star Delta Start-up, with adjustable times
• AC/DC current monitoring
• Motor temperature
Resistors - Power
• Resistance values from 0.001-1MΩ
• Power rating from <0.5W up to +2.5kW
• Tolerances to +/-0.01%
• Temperature coefficients to <1ppm/°C
• Leaded, SMD, Heatsink & custom designs available
Resistors - Precision
• Wirewound, Metal Film, Metal Foil
• Power rating up to +300W
• Tolerances to +/-0.005%
• Temperature coefficients to <1ppm/°C
• Leaded, SMD, Heatsink types available
Providing Electronic Solutions
Willow Technologies Limited
Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH
Tel +44 (0) 1342 717102 Fax +44 (0) 1342 717014
sales@ willow.co.uk www. willow.co.uk