Type PTF Series
Thermometrics
PTC Thermistors
Description
Thermometrics PTF Series consists of a range of
radially-wired bare PTC disc thermistors.
Features
• Low cost solid state fuse
• Available in a broad range of resistances,
transition temperatures and voltage ratings
• Exhibits large positive increases in resistance
with temperature
• Resistance/temperature characteristic is
infinitely repeatable and has no hysteresis
associated with its action
• Proven quality and reliability over many years of
manufacturing
Applications
• Designed for general purpose over-current and
short-circuit protection
Amphenol
Advanced Sensors
Operating
Voltage,
V
max
R@
25°C
(±20%)
Ω
Part
Number
Replacement for
Switch
Temperature,
T
b
Minimum
Trip
Current
(I
t
), T
amb
=
25°C
290 mA
740 mA
400 mA
170 mA
120 mA
170 mA
110 mA
210 mA
120 mA
Maximum
Current
without
Tripping
(I
nt
), T
amb
=
55°C
140 mA
370 mA
170 mA
80 mA
60 mA
80 mA
60 mA
100 mA
45 mA
A
(max)
mm
B
(max)
mm
C
(ref)
mm
D
(ref)
mm
L
(min)
mm
18
25
50
50
50
120
120
240
240
10
3
10
50
100
50
100
50
250
YQS5838PTF
YQS5846PTF
YQS5853PTF
YQS5855PTF
YQS5856PTF
YQS5868PTF
YS5869PTF
YQS5876PTF
YQS5878PTF
YS5838PTF (RL3005-10-110-12-PTF)
YS5846PTF (RL5008-3.0-110-25-PTF)
YS5853PTF (RL4006-10-110-50-PTF)
YS5855PTF (RL4010-50-110-50-PTF)
YS5856PTF (RL3810-100-110-50-PTF)
YS5868PTF (RL4510-50-110-120-PTF)
RL3510-100-110-120-PTF
YS5876PTF (RL6315-50-110-240-PTF)
YS5878PTF (RL6315-250-110-240-PTF)
120°C
120°C
120°C
120°C
120°C
110°C
120°C
120°C
115°C
8.9
14.0
11.4
11.4
10.7
13.5
10.2
16.5
16.5
3.8
4.6
4.3
5.1
5.1
5.1
5.1
6.9
6.9
5
5.0
5.0
5.0
5.0
5.0
6.4
8.4
8.4
0.6
0.6
0.6
0.6
0.5
0.6
0.6
1.0
1.0
25
25
25
25
25
25
38.1
38.1
25
Mechanical Specifications
Electrical Specifications
Ambient Temperature Range
At Storage:
-25 to +155°C
At Maximum Voltage:
+10 to +55°C
Construction
Bare ceramic disc
Thick silver film electrodes
Uninsulated leadwires
Terminations
Straight type, tin coated copper wire
L
ref
Amphenol
Advanced Sensors
www.amphenol-sensors.com
© 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change
without notice. Other company names and product names used in this document are
the registered trademarks or trademarks of their respective owners.
AAS-920-457B-03/2014
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Amphenol
:
RL6315-250-110-240-PTF RL6315-50-110-240-PTF RL4006-10-110-50-PTF RL3810-100-110-50-PTF RL6315-100-
110-240-PTF RL5008-3.0-110-25-PTF RL4010-50-110-50-PTF RL4510-50-110-120-PTF YQS5855PTF
YQS5853PTF YQS5846PTF YQS5868PTF YQS5878PTF YQS5838PTF YQS5856PTF YQS5876PTF
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