PTCEL
www.vishay.com
Vishay BCcomponents
PTC Thermistors, Inrush current limiter and Energy Load-Dump
FEATURES
• High energy absorption levels up to 240 J
• High number of inrush-power cycles:
> 50 000 cycles
• Highly
resistant
against
peak-powers of up to 25 kW
non-switching
• Can handle high direct voltage up to 1000 V
• Self protecting in case of overload with no risk of
over-heating
• AEC-Q200 qualified
DESIGN SUPPORT TOOLS
Models
Available
Design Tools
click logo to get started
• Rugged construction
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
Available
APPLICATIONS
QUICK REFERENCE DATA
PARAMETER
Resistance at 25 °C (R
25
)
(1)
Switching temperature
Maximum inrush current
Maximum AC voltage
(1)
Maximum DC voltage
(1)
Operating temperature range
Storage temperature range
Dissipation factor
Thermal time constant
(still air cooling)
Weight
VALUE
60 to 500
130 to 140
40
350 to 700
500 to 1000
-40 to 105
-40 to 165
14 to 19.5
105 to 120
3.5 to 5.7
UNIT
°C
A
V
RMS
V
DC
°C
°C
mW/K
s
g
Inrush current limiting and load-dump resistor in:
• Smoothing and DC-link capacitor banks
• Power inverters
• Discharge - charge circuits
PTCEL thermistors of similar resistance and size may be
used in series and parallel combinations to obtain higher
energy absorption levels. PTCEL thermistors may not be
used in series connections to obtain higher voltage levels.
DESCRIPTION
These directly heated ceramic-based doped barium titanate
thermistors have a positive temperature coefficient and are
primarily intended for inrush current limiting and overload
protection. They consist of a ceramic pellet soldered
between two tinned CCS wires and coated with a UL 94 V-0
compliant high temperature hard silicone lacquer. The body
is marked with the logo, cold resistance value, EL on one
side and date code on the opposite side.
Note
(1)
Other resistance values and maximum operating voltages
available on request.
Matched resistance values available on request
PACKAGING
PTC thermistors are available in 100 pieces (PTCEL13) or
50 pieces (PTCEL17) bulk packed or tape on reel option
500 pieces on request.
ELECTRICAL DATA AND ORDERING INFORMATION
PART NUMBER
PTCEL13R600LBE
PTCEL13R121MBE
PTCEL13R251NBE
PTCEL13R501RBE
PTCEL17R600MBE
PTCEL17R121NBE
PTCEL17R501TBE
Revision: 25-Apr-2018
R
25
()
60
120
250
500
60
120
500
R
25
TOL.
(%)
30
30
30
30
30
30
30
V
MAX.
(V
RMS
)
350
440
480
560
440
460
700
V
LINK MAX.
(V
DC
)
500
625
680
800
625
650
1000
R
MIN.
< 1.5 V
DC
()
32
64
130
260
32
64
260
I
HOLD
AT 25°C
(mA)
120
85
60
42
140
100
50
C
th
(J/K)
1.45
1.45
1.45
1.45
2.3
2.3
2.3
E
MAX.
1 CYCLE
AT 25°C
(J)
150
150
150
150
240
240
230
th
(s)
105
105
105
105
120
120
120
DISSIPATION
FACTOR
(mW/K)
14.0
14.0
14.0
14.0
19.5
19.5
19.5
WEIGHT
(g)
3.5
3.5
3.5
3.5
5.7
5.7
5.7
Document Number: 29165
1
For technical questions, contact:
nlr@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
PTCEL
www.vishay.com
OUTLINE AND DIMENSIONS
in millimeters
D
T
Vishay BCcomponents
COMPONENT DIMENSIONS
in millimeters
PTCEL13
D
13.5 max.
17 max.
3±1
0.6 ± 0.06
20 min.
5 ± 0.8
7.0 max.
PTCEL17
17 max.
21 max.
3±1
0.8 ± 0.08
20 min.
5 ± 0.8
7.5 max.
H
1
BC
120R
EL
H1
H2
d
H
2
L1
L
d
F
F
(1)
T
Note
(1)
F pitch = 7.5 mm available on request
REQUIRED NUMBER OF PTC THERMISTORS TO LIMIT CURRENT AND ABSORB ENERGY
By using several PTC’s in a series / parallel network, the maximum current limitation and absorbed energy levels can be further
optimized. For homogeneous current and energy distribution it is recommended to combine only PTCEL of the same size and
matched resistance value. Energy absorption per PTC in a network depends on current distribution in the network and as such
on the individual PTC resistance value. PTCEL thermistors might be used in a series connection to further lower the inrush
current, but not to increase the maximum allowed voltage levels. Following formula may be used to calculate the minimum
number of PTCEL thermistors required in a DC link or other capacitor bank application to properly charge or discharge a given
amount of energy without follow current:
N
---------------------------------------------------------------
2
x
C
th
x
T
sw
-
T
amb
Notes
• N is the number of PTCEL required in the network
• C is the total capacitor value to charge or discharge in F
• V is the maximum DC voltage on the capacitor C
• C
th
is the thermal capacity of one PTC in [J/K] (see table)
• T
sw
is the minimum switching temperature of the PTCEL (130 °C)
• T
amb
is the maximum ambient temperature at which the PTC needs to operate
• K is the factor that determines the charging operation mode
K = 1 for DC charging or discharging
K = 0.96 for 3-phase rectified charging
K = 0.76 for single phase rectified charging
KxCxV
2
Revision: 25-Apr-2018
Document Number: 29165
2
For technical questions, contact:
nlr@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
PTCEL
www.vishay.com
RESISTANCE vs. TEMPERATURE
V
m
1.5 V
DC
10
8
Vishay BCcomponents
MINIMUM PTC RESISTANCE UNDER PULSED
VOLTAGE
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
10
7
10
6
PTCEL17R501TBE
PTCEL13R600LBE
PTCEL13R121MBE
PTCEL13R251NBE
PTCEL13R501RBE
PTCEL17R600MBE
PTCEL17R121NBE
R
min. (Vp)
/
R
25
Resistance ()
10
5
10
4
10
3
0.35
0.30
10
2
0.25
10
-50 -25
0.20
0
25
50
75 100 125 150 175 200 225
Temperature (°C)
0
100 200 300 400 500 600 700 800 900 1000
V
PTV-pulsed
V
MAX.
DERATING VS. T
AMB
120
RESIDUAL CURRENT VS. VOLTAGE
100
100
80
V
max.
(%)
60
I
(mA )
PTCEL13R600LBE
PTCEL13R501RBE
PTCEL17R600MBE
PTCEL17R121NBE
10
40
PTCEL13R251NBE
PTCEL13R121MBE
PTCEL17R501TBE
20
0
-50
-25
0
25
50
75
100 125 150 175 200
1
100
U
(V
RMS
)
1000
T
amb
(°C)
Revision: 25-Apr-2018
Document Number: 29165
3
For technical questions, contact:
nlr@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
PTCEL
www.vishay.com
CONSECUTIVE ENERGY LOAD-DUMPS AT
DIFFERENT T
AMB
FOR PTCEL13
10
Vishay BCcomponents
CONSECUTIVE ENERGY LOAD-DUMPS AT
DIFFERENT T
AMB
FOR PTCEL17
10
Number of Consecutive Load-Dumps
25 °C
Number of Consecutive Load-Dumps
25 °C
55 °C
55 °C
85 °C
85 °C
105 °C
105 °C
1
10
Energy / Load-Dump (J)
100
1
10
100
Energy / Load-Dump (J)
Revision: 25-Apr-2018
Document Number: 29165
4
For technical questions, contact:
nlr@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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