CMF Industrial
Vishay Dale
Metal Film Resistors, Industrial, Precision
FEATURES
• Small size - conformal coated
• Flame retardant epoxy coating
• Controlled temperature coefficient
• Excellent high frequency characteristics
• Exceptionally low noise; typically 0.10 µV/V
• Low voltage coefficient to 5 ppm/V
• Compliant to RoHS directive 2002/95/EC
• Special tolerance and or TC matching available
on request
Vishay Dale Model CMF is also available as Military Qualified Styles RN and RL. See appropriate catalog or web page for the
MIL-SPEC ratings/attributes. (Except for marking, the Industrial and Military versions are exactly the same. Depending upon
stock, military marked parts may be supplied as industrial rated parts).
STANDARD ELECTRICAL SPECIFICATIONS
MAXIMUM
RESISTANCE RANGE
1 % 2 %, 5 %
50 ppm/°C 50 ppm/°C 100 ppm/°C 100 ppm/°C 150 ppm/°C 150 ppm/°C 200 ppm/°C 200 ppm/°C
Ω
GLOBAL HISTORICAL WORKING
0.1 % to 1 % 0.1 % to 0.5 % 1 % to 5 %
1 %
2 %, 5 %
1 %
2 %, 5 %
MODEL
MODEL
VOLTAGE (1)
V
25 ppm/°C
10 to 2.5M
10 to 2.5M
10 to 2.5M
10 to 2.5M
10 to 2.5M
-
CMF50
CMF55
CMF60
CMF65
CMF70
CMF07
CMF20
CMF-50
CMF-55
CMF-60
CMF-65
CMF-70
CMF-07
CMF-20
200
250
500
500
500
250
500
10 to 2.5M
10 to 2.5M
10 to 2.5M
10 to 2.5M
10 to 2.5M
-
10 to 2.5M 10 to 2.5M 10 to 2.5M 10 to 22M
10 to 22M
10 to 22M
10 to 22M
10 to 5M 1 to 22.1M 1 to 22.1M 0.5 to 50M 0.5 to 50M 0.5 to 50M 0.1 to 50M
10 to 10M
1 to 10M
1 to 10M
1 to 15M
1 to 15M
5 to 5M
0.5 to 10M 0.5 to 10M 0.5 to 10M 0.1 to 10M
0.5 to 22M 0.5 to 22M 0.5 to 22M 0.1 to 22M
10 to 10M
1 to 15M
10 to 10M
1 to 15M
1 to 22M
1 to 22M
1 to 5M
1 to 22M
1 to 22M
1 to 5M
-
-
-
-
-
-
-
-
-
-
5 to 10M
1 to 10M
1 to 10M
Note
(1) Continuous working voltage shall be P x R or maximum working voltage, whichever is less
MAXIMUM COMMERCIAL POWER RATING
MODEL
WATTAGE (2)
CMF50
0.25 W
0.125 W
CMF55
0.5 W
CMF60
1 W
CMF65
1 W
CMF70
1 W
CMF07
CMF20
At + 70 °C
0.5 W
-
1 W
-
At + 125 °C
0.25 W
0.5 W
0.75 W
0.75 W
Note
(2) See the load life shift due to power and derating table for a summary of the more common combinations of power rating, case size and ambient
operating temperature that prevail in various industrial and military resistor specifications. The “performance” table qualifies the load life
stability under these combinations.
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: CMF55301R00FKRE (preferred part numbering format)
C
M
F
5
5
3
0
1
R
0
0
F
K
R
E
TEMPERATURE
COEFFICIENT (3)
E = 25 ppm
GLOBAL MODEL RESISTANCE VALUE
TOLERANCE
PACKAGING
SPECIAL
CODE
(See Standard
Electrical
R = Ω
K = kΩ
B = 0.1 %
C = 0.25 %
D = 0.5 %
F = 1 %
G = 2 %
J = 5 %
EK = Lead (Pb)-free, bulk
EA = Lead (Pb)-free, T/R (full)
EB = Lead (Pb)-free,
Blank = Standard
(Dash Number)
(Up to 3 digits)
From 1 to 999
as applicable
70 = Color banded,
5 bands (≤ 1 %)
80 = Color banded,
4 bands (≥ 2 %)
H = 50 ppm
Specifications
table)
M = MΩ
K = 100 ppm
L = 150 ppm
N = 200 ppm
T/R (1000 pieces)
BF = Tin/lead, bulk
RE = Tin/lead, T/R (full)
R10000 = 0.1 Ω
680K00 = 680 kΩ
1M0000 = 1.0 MΩ
R6 = Tin/lead, T/R (1000 pieces)
Historical Part Number example: CMF-553010FT-1 (will continue to be accepted)
CMF-55
3010
F
T-1
R36
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
TEMP. COEFFICIENT
PACKAGING
Note
(3) Tolerances of 0.5 ꢀ (D), 0.25 ꢀ (C) and 0.1 ꢀ (B) are available only in 50 ppm and 25 ppm temperature coefficients
* Pb containing terminations are not RoHS compliant, exemptions may apply
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For technical questions, contact: ff2aresistors@vishay.com
Document Number: 31018
Revision: 20-Jul-10