THERMISTOR PRODUCTS
PTC THERMISTOR
FOR HEATER
FEATURES
PTH476/521 Series
I
The heater element itself functions as a temperature
regulator.
I
The temperature pulsation which is observed in the
bimetallic thermostat application can be eliminated.
I
Excellent life characteristics ensure a long service life
as compared with Nickel-Chrome Heater under normal
operating conditions.
APPLICATIONS
I
PTH476: Dryer, copy machine, electric pot
I
PTH521: Steam generator, other small high
temperature heaters
PART NUMBERING SYSTEM
PTH476
B01
BC
201
T
260
HEATER TYPE
PTC
CONSTRUCTION
TEMPERATURE
CHARACTERISTICS
RESISTANCE
VALUE
RESISTANCE
TOLERANCE
MAX.
VOLTAGE
SPECIFICATIONS
Part Number
PTH476B01BC201T260
PTH476B01AS201T260
PTH476B02AH201T260
PTH476B02AG201T260
Curie Point
BC ( 90°C)
AS (135°C)
AH (205°C)
AG (225°C)
Resistance
Value (Ohms)
200 ~ 1200
*Steady State
Current (mA)
28.0 (17) ± 20%
33.0 (21) ± 20%
58.0 (35) ± 20%
65.0 (39) ± 20%
Voltage max.
Nominal Surface
Temperature
105°C
130°C
185°C
200°C
260V
Designations in the parentheses are designed for Max. Voltage 260V max. • *Values based on 120V and ( ) on 220V
Operating temperature range (PTH476B01 type): –20°C to +60°C • Operating temperature range (PTH476B02 type): –20°C to +85°C
Part Number
PTH521A01AD201T260
Rated
Voltage (V)
120/220V Dual
Voltage
(V) max.
260
Curie
Point (CP)
AD (280°C)
Resistance
Inrush Current
Value (Ohms)
(A) max.
200 ~ 1200
7
Steady State
Nominal
Current
Surface Temp.
220V r.m.s. (mA) 220V r.m.s. (°C)
75 ± 20%
285
Operating temperature range: 0°C to +60°C
*Note:
PTH420 Series (heating element) available. Please consult us for details.
DIMENSIONS: mm
PTH476
A
2 ~ 4.3
23
29.5
±
0.5
37
±
0.7
3 6.5 3
19
POSISTOR
®
B
6
11
B
13
1.0 max.
30
±
0.5
40
±
0.5
5.4
5.3
7.0
1.5
A
3
5 max.
5 max.
PTH521
7.5
30
±
0.5
21
±
0.5
558
CG01-J