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WIN series - mouser.com fileSuperior Moisture Performance Accelerated Life Test (Pressure Cooker 15...

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New Precision Product Water Insoluble Nitride Resistor WIN series
Transcript

New Precision Product

Water Insoluble Nitride Resistor

WIN series

WIN (Water Insoluble Nitride)

WIN Key Benefits and Markets

Tantalum Nitride precision thin film offers • Inherent moisture resistance

• Superior to passivated nichrome

• Typical 85°C 85% biased humidity 2000 hour

stability <0.1%

• Sulfur resistant

• Safety-critical precision 0.1%, 25 ppm/°C

Industrial: • Process / automation control in harsh environments

• High current power supplies for servers (precision current measurement)

• Telecom circuits in uncontrolled environments

• Energy metering (burden resistor)

Medical • Patient diagnostic and monitoring

• Clinical test equipment

© TT Electronics plc 2

WIN (Water Insoluble Nitride)

Why Tantalum Nitride?

Tantalum Nitride is inherently resistant to moisture!

Deionized water droplet test: Nichrome opened in 10 sec

During Water Drop Test

Before Water Drop Test

After Water Drop Test

Nichrome TaNFilm®

Video hyperlink

Failed Open Unchanged

© TT Electronics plc 3

Superior Moisture Performance

Accelerated Life Test (Pressure Cooker 15 psi, 120°C , 10 hours)

WIN (Water Insoluble Nitride)

Takeaway: Why pay a premium price for passivated NiCr without benefit!

© TT Electronics plc 4

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 2 4 68

10

Surv

ival

Rat

e

Duration (hours)

WIN Film

Passivated NiCr Film 1

Passivated NiCr Film 2

NiCr Film

Equivalent Lifetime Stability

• Performance: New manufacturing equipment and process optimizations have lead to a design that maintains the trusted stability of our military capable product.

• Improved product lead times: permits greater flexibility for design engineers and supply chain management. (4 – 6 weeks)

WIN (Water Insoluble Nitride)

© TT Electronics plc 5

Data t.b.c. beyond 1000 hours

PFC v/s WIN v/s Passivated NiCr

PFC (55342 qualified)

Vs.

□ TCR = 25ppm/°C

□ Tolerance = 0.1%

□ 0603, 0805, & 1206 Sizes

□ Inherent Moisture Resistance

Passivated NiCr

Aerospace Defence Industrial Medical Energy

WIN

□ TCR = 25ppm/°C

□ Tolerance = 0.1%

□ 0603, 0805, & 1206 Sizes

□ Inherent Moisture Resistance

✓ X

□ TCR = 25ppm/°C

□ Tolerance = 0.1%

□ 0603, 0805, & 1206 Sizes

□ Inherent Moisture Resistance

© TT Electronics plc 6

WIN Precision Applications

Industrial Medical Energy

Circuit Uses Voltage dividers • Wheatstone Bridge

Op Amps • Comparators • Differential Amplifiers • Gain Control • Voltage Reference

Application Areas Signal Conditioning Voltage Measurement Precision Voltage Dividers Precision Amplifiers Monitoring and Control Reference Resistance

© TT Electronics plc 7

Circuit Applications

Precision Amplifier Gain Control

Benefits: • Precise, Accurate Gain Control • Stable Amplifier Gain over Time And

Temperature • Suitable for Outdoor Applications in

Humid Environments

WIN Chips

© TT Electronics plc 8

Circuit Applications

Precision Voltage Divider –

Voltage Regulator Module

Benefits: • Precise, Stable Output Voltage Feedback • Ohmic Values selected for Exact Nominal

Required for Desired Voltages • Suitable for Outdoor Applications in Humid

Environments

Ra

Rb

Vin

Vout

Rc

Vout

WIN Chips

© TT Electronics plc 9

Circuit Applications

Precision Wheatstone Bridge

Benefits: • Precise values that improve measurement

accuracy • Low TCR minimizes measurement error

that can result from temperature changes • Long stability minimizes lifetime drift

WIN Chips

Diff Amp

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+

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© TT Electronics plc 10

© TT Electronics plc 11

Thank You


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