Heating elements
Rectangular, 230 V
R102
Applications
Home appliances
hair curlers
fan heaters
coffee machines
glue guns
Features
Aluminum metallization
Suitable for clamp contacting
Self-regulating
UL approval to UL 1434 (file number E69802),
except T
ref
= 240
°C.
UL approval for
T
ref
= 220
°C
and 270
°C
with V
max
= 140 V
and V
R
= 120 V.
RoHS-compatible
Options
Other dimensions and ratings on request
Delivery mode
Packed in cardboard boxes
General technical data
Max. operating voltage
Rated voltage
Operating temperature range
Operating temperature range
Operating temperature range
Tolerance of R
R
Curvature
Dimensional drawing
Dimensions in mm
(V = 0)
(V = V
R
; T
ref
≤
60
°C)
(V = V
R
; T
ref
> 60
°C)
V
max
V
R
T
op
T
op
T
op
∆R
R
265
230
40/+200
40/+60
40/+100
±50
< 0.05
V AC
V AC
°C
°C
°C
%
mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 10
Heating elements
Rectangular, 230 V
R102
Cautions and warnings
General
EPCOS thermistors are designed for specific applications and should not be used for purposes
not identified in our specifications, application notes and data books unless otherwise agreed
with EPCOS during the design-in-phase.
Ensure suitability of thermistor through reliability testing during the design-in phase. The ther-
mistors should be evaluated taking into consideration worst-case conditions.
Storage
Store thermistors only in original packaging. Do not open the package prior to processing.
Storage conditions in original packaging: storage temperature 25
°C
... +45
°C,
relative hu-
midity
≤75%
annual mean, maximum 95%, dew precipitation is inadmissible.
Avoid contamination of thermistors surface during storage, handling and processing.
Avoid storage of thermistor in harmful environment with effect on function on long-term opera-
tion (examples given under operation precautions).
Use thermistor within the following period after delivery:
Through-hole devices (housed and leaded PTCs): 24 months
Motor protection sensors, glass-encapsulated sensors and probe assemblies: 24 months
Telecom pair and quattro protectors (TPP, TQP): 24 months
Leadless PTC thermistors for pressure contacting: 12 months
Leadless PTC thermistors for soldering: 6 months
SMDs in EIA sizes 3225 and 4032, and for PTCs with metal tags: 24 months
SMDs in EIA sizes 1210 and smaller: 12 months
Handling
PTCs must not be dropped. Chip-offs must not be caused during handling of PTCs.
The ceramic and metallization of the components must not be touched with bare hands. Gloves
are recommended.
Avoid contamination of thermistor surface during handling.
Soldering (where applicable)
Use rosin-type flux or non-activated flux.
Insufficient preheating may cause ceramic cracks.
Rapid cooling by dipping in solvent is not recommended.
Complete removal of flux is recommended.
Standard PTC heaters are not suitable for soldering.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 10
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