CMF Pulse Withstanding
www.vishay.com
Vishay Dale
Metal Film Resistors, Axial, Industrial, Pulse Withstanding Protective
FEATURES
• Special Vishay Dale design provides lightning
withstand characteristics along with resistor
functionality
Available
• Provides lightning surge absorption capabilities
• Protect against a variety of electrical hazards
which can change or destroy sensitive
Available
electronic equipment including high energy
voltage surges caused by power line anomalies
(direct power crosses or inductively coupled effects) and
other momentary over voltages
MATERIAL SPECIFICATIONS
Element
Vacuum-deposited nickel-chrome alloy
Core
Fire-cleaned high purity ceramic
Flame retardant epoxy, with flameproof
undercoat; formulated for higher power, with
superior moisture and mechanical protection
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Note
Coating
Continuous satisfactory coverage when tested
in accordance with MIL-R-10509
Solderability
*
This datasheet provides information about parts that are
RoHS-compliant and / or parts that are non-RoHS-compliant. For
example, parts with lead (Pb) terminations are not RoHS-compliant.
Please see the information / tables in this datasheet for details.
STANDARD ELECTRICAL SPECIFICATIONS
POWER
RATING (1)
P25 °C
POWER
RATING (1)
P70 °C
POWER
RATING (1)
P125 °C
MAXIMUM
WORKING
VOLTAGE
V
RESISTANCE
RANGE (2)
TEMPERATURE
COEFFICIENT
ꢁꢁm/°C
GLOBAL
TOLERANCE
ꢀ
MODEL
W
W
W
CMF65..147
CMF70..147
2.5
3
1.75
2
1.25
1.5
500
500
1 to 15M
1 to 15M
1, 2, 5
1, 2, 5
100
100
Notes
(1)
(2)
Continuous working voltage shall be P x R or maximum working voltage, whichever is less.
Pulse withstanding capabilities are value dependent, and are most effective in values greater than 200 .
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
CMF65...147
CMF70...147
Maximum Working Voltage
Insulation Voltage (1 min)
Voltage Coefficient (Max.)
Dielectric Strength
V
500
Veff
ppm/V
VAC
> 500
5 (measured between 10 ꢀ and full rated voltage)
900
1011
-55 to +175
5
Insulation Resistance
Operating Temperature Range
Terminal Strength (Pull test)
°C
lb
2
0.10 μV/V over a decade of frequency, with low and intermediate resistance values
typically below 0.5 μV/V
Noise
dB
g
Weight (Max.)
1.20
1.30
GLOBAL PART NUMBER INFORMATION
Global Part Numbering: CMF701K0000FKCP147 (ꢁreferred ꢁart numbering format)
C
M
F
7
0
1
K
0
0
0
0
F
K
C
P
1
4
7
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE
TEMP. COEFFICIENT
PACKAGING
SPECIAL
CMF65
CMF70
R =
K = k
F = 1 ꢀ
G = 2 ꢀ
J = 5 ꢀ
K = 100 ppm
EK = lead (Pb)-free, bulk
EA = lead (Pb)-free,
T/R (1000 pieces)
(Dash
number)
M = M
147 = pulse
withstanding
10R000 = 10
1K3300 = 1.33 k
1M0000 = 1.0 M
BF = tin/lead, bulk
CP = tin/lead,
T/R (1000 pieces)
Note
•
For additional information on packaging, refer to the Through Hole Resistor Packaging document (www.vishay.com/doc?31544).
Revision: 16-Sep-16
Document Number: 31097
1
For technical questions, contact: ff2aresistors@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