ꢁiscrete and Pacꢅaꢆed RTꢁ
Sensꢄrs: Our platinum-based
RTDs are laser-trimmed for
accuracy and flexibility —
designed to offer stable and
fast linear outputs, accurate
and interchangeable, plus
plastic and ceramic, miniatur-
ized and surface mount hous-
ings (including printed circuit
board termination). Potential
applications include motor
overload and semiconductor
protection, electronic assem-
bly thermal management and
temperature compensation, as
well as HVAC equipment.
Pacꢅaꢆed
Teꢃperature Prꢄbes
6655 Series
Temperature sensing type
Thermistor type
air/surface
NTC
Nominal resistance at
25 °C [77 °F]
10,000 Ohm, 12,000 Ohm
Operating temperature range
Housing material
-20 °C to 110 °C [-4 °F to 230 °F]
phenolic
Electrical and mechanical
interface
quick connect terminal: (90°, 0.25 in), (0°, 0.25 in), (45°, 0.25 in), (90°, 0.1875 in)
ꢁiscrete Therꢃistꢄrs: These
sensors don’t amplify, rectify,
polarize or generate a signal,
but rather change resistance
with any change in tempera-
ture. The change can occur in
the surrounding temperature or
by passing a current through
the thermistor to self-heat.
ꢁiscrete RTꢁ
Sensꢄrs
HEL-705, 707, 710 Series
HEL-775 Series
Sensor type
100 Ohm, 1000 Ohm platinum RTD
100 Ohm, 1000 Ohm platinum RTD
0.00385 Ohm/Ohm/°C, 0.00375 Ohm/
Ohm/°C
0.00385 Ohm/Ohm/°C, 0.00375 Ohm/
Ohm/°C
Temperature coeffiecient
TFE Teflon: -70° to +260°C
(-94° to +500°F)
Fiberglass: -75° to +500°C
(-100° to +932°F)
-55 °C to 150 °C
[-67 °F to 302 °F]
Temperature sensing range
Packaging type
Termination
alumina tube
ceramic case
SIP
28 ga. or 24 ga. leadwire
100 Ohm 1ꢀ 0.6 Ohm at 0 °C,
100 Ohm 1ꢀ 1.2 Ohm at 0 °C,
1000 Ohm 1ꢀ 0.6 Ohm at 0 °C,
1000 Ohm 1ꢀ 1.2 Ohm at 0 °C
100 Ohm 1ꢀ 0.6 Ohm at 0 °C,
100 Ohm 1ꢀ 1.2 Ohm at 0 °C,
1000 Ohm 1ꢀ 0.6 Ohm at 0 °C,
1000 Ohm 1ꢀ 1.2 Ohm at 0 °C
Base resistance and
interchangeability
<6,8 mW/°C typ.,
9,7 mW/°C typ.
Self-heating
<15 mW/°C for 0.85 O.D. typ.
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