PR421D050S701H Spectrum Control, PR421D050S701H Datasheet
PR421D050S701H
Manufacturer Part Number
PR421D050S701H
Description
Thermistors - PTC Switch Temp 50 0.100 Thickness
Manufacturer
Spectrum Control
Type
PTCr
Datasheet
1.PR425C050S101H.pdf
(1 pages)
Specifications of PR421D050S701H
Resistance
70 Ohms
Termination Style
SMD/SMT
Dimensions
0.1 in H
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Positive Temperature Coefficient thermistors are truly remark-
able for their ability to function as self-regulating heating
elements. They can operate at a nearly constant temperature
over a broad range of voltage and dissipation conditions. PTC
heaters can be manufactured in many different configura-
tions. These include discs, rectangles, squares, cylinders, and
various shapes with holes to increase surface area. Multiple
PTCs can be used in parallel to provide constant heating
over a larger area.
Features:
•
•
•
•
Typical Applications:
•
•
•
•
•
•
Temp. T
Temp. T
No thermostat needed
Virtually unlimited life
No moving parts to wear
Efficient
IC heater
Curling iron
Hair dryer
Hot melt glue gun
Food warmer
Diesel fuel heater
Switch
Switch
Self-Regulating
Heaters
135
135
135
135
50
90
50
90
50
90
50
90
s
s
(˚C)
(˚C)
(volts)
SPECTRUM SENSORS & CONTROLS, INC. • 328 State Street • St. Marys, PA 15857 • Phone: 814.834.1541 • Fax:814.834.1556
V
(volts)
120
120
120
50
50
50
V
max
120
120
120
50
50
50
* V
max
*
*
MAX
= Maximum Voltage
(inches)
Standard Rectangular PTC Heaters
0.472
0.472
0.472
0.472
0.472
0.472
L
(inches)
•
•
•
•
•
•
0.500
0.500
0.500
0.500
0.500
0.500
Standard Disc PTC Heaters
Instrumentation heater
Plug-in aroma heater
Wax motor
TCXO heater
Bimetal heater
D
Liquid Crystal display
•
•
(inches)
0.236
0.236
0.236
0.236
0.236
0.236
Very low cost
No electrical noise
W
E-mail: atp@SpecSensors.com • Web Site: www.SpecSensors.com
(inches)
0.050
0.050
0.050
0.100
0.100
0.100
T
** R
(inches)
0.050
0.050
0.050
0.100
0.100
0.100
25
T
= Resistance at 25˚C
R
(Ω)
40
40
40
25
5
5
5
R
**
(Ω)
10
10
10
70
70
70
25
**
P5005C050S500H
P5005C090S500H
P5005C135S500H
P5010D050S401H
P5010D090S401H
P5010D135S401H
PR425C050S101H
PR425C090S101H
PR425C135S101H
PR421D050S701H
PR421D090S701H
PR421D135S701H
SS&C Part #
SS&C Part #
Self-Regulating Heaters
Other Available Switch Temperatures
Other Available Rectangular Sizes
Other Available Disc Diameters
L
Switch Temperature T
0.400
0.472
0.750
0.985
2.000
(INCHES)
DIAMETER
40˚C - 150˚C
0.100
0.160
0.200
0.250
0.300
0.350
0.400
0.500
0.550
0.600
0.750
(INCHES)
W
0.200
0.236
0.350
0.315
0.350
(INCHES)
s
(˚C)
41
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