B59975C0160A070

PTC thermistors for
overcurrent protection
Leaded disks, coated, 12 V
Series/Type: B599*5
Date: January 2016
© EPCOS AG 2016. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Applications
Overcurrent protection
Short circuit protection
Features
Lead-free terminals
Marking: Type, manufacturer's logo,
reference temperature in °C and date code
YYWW (except B59995C*)
Low resistance
For rated currents of up to 1.5 A
High thermal stability
UL approval to UL 1434 (file number
E69802)
VDE approval for selected types
(license number 104843)
IECQ certificate for selected types
(file number 101-QA-2)
Qualification based on AEC-Q200, Rev. D
(except: B59995C*)
RoHS-compatible
Options
Thermistors with diameter w 11.0 mm are
also available on tape (to IEC 60286-2)
Delivery mode
Cardboard strips (standard)
Cardboard tape reeled or in Ammo pack on
request
Dimensional drawing
Dimensions (mm)
Type w
max
h
max
d
C945 17.5 21.0 0.6
C955 13.5 17.0 0.6
C965 11.0 14.5 0.6
C975 9.0 12.5 0.6
C985 6.5 10.0 0.6
C995 4.0 7.5 0.5
General technical data
Max. operating voltage (T
A
= 60 °C) V
max
20 V DC or V AC
Rated voltage V
R
12 V DC or V AC
Switching cycles N 100
Reference temperature (typ.) T
ref
160 °C
Tolerance of R
R
R
R
±25 %
Operating temperature range (V = 0) T
op
40/+125 °C
Operating temperature range (V = V
max
) T
op
40/+85 °C
Overcurrent protection
Leaded disks, coated, 12 V C945 ... C995
Page 2 of 11Please read Cautions and warnings and
Important notes at the end of this document.
Electrical specifications and ordering codes
Type
I
R
mA
I
S
mA
I
Smax
(V = V
max
)
A
I
r
(typ.)
(V = V
max
)
mA
I
r
(typ.)
(V = V
R
)
mA
R
R
R
min
IECQ
Approvals Ordering code
C945 1500 3050 8.0 170 270 0.45 0.3 X B59945C0160A070
C955 950 1900 5.5 120 190 0.8 0.5 X B59955C0160A070
C965 700 1450 4.3 105 165 1.2 0.7 X B59965C0160A070
C975 550 1100 3.0 85 135 1.8 1.1 X B59975C0160A070
C985 300 600 1.0 65 100 4.6 2.7 X X B59985C0160A070
C995 150 300 0.7 40 65 13 7.8 X X B59995C0160A070
Reliability data
Test Standard Test conditions R
25
/R
25
Electrical endurance,
cycling
IEC 60738-1 Room temperature, I
Smax
; V
max
Number of cycles: 100
< 25%
Electrical endurance,
constant
IEC 60738-1 Storage at V
max
and T
op,max
(@ V
max
)
Test duration: 1000 h
< 25%
Damp heat IEC 60738-1 Temperature of air: 40 °C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
< 10%
Rapid change
of temperature
IEC 60738-1 T
1
= T
op,min
(0 V), T
2
= T
op,max
(0 V)
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, test Na
< 10%
Vibration IEC 60738-1 Frequency range: 10 to 55 Hz
Displacement amplitude: 0.75 mm
Test duration: 3 × 2 h
Test according to IEC 60068-2-6, test Fc
< 5%
Shock IEC 60738-1 Acceleration: 400 m/s
2
Pulse duration: 6 ms; 6 × 5000 pulses
< 5%
Climatic sequence IEC 60738-1 Dry heat: T = T
op,max
(0 V)
Test duration: 16 h
Damp heat first cycle
Cold: T = T
op,min
(0 V)
Test duration: 2 h
Damp heat 5 cycles
Tests performed according to
IEC 60068-2-30
< 10%
Overcurrent protection
Leaded disks, coated, 12 V C945 ... C995
Page 3 of 11Please read Cautions and warnings and
Important notes at the end of this document.

B59975C0160A070

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
Thermistors - PTC 975-A 160-A 70 8X1 PTC Thermisto
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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