CMF6042R200FKEK64 - Vishay Presicion Group

www.vishay.com For technical questions, contact: ff2aresistors@vishay.com Document Number: 31031

124 Revision: 11-Mar-10

CMF Fusible

Vishay Dale

Metal Film Resistors, Special Purpose, Fusible, Flameproof

FEATURES

•Special filming and coating processes

•Fusible - circuit protection in case of other

component failure

•Flameproof - meets EIA RS-325, will not flame

when overloaded

•Tape and reel packaging is standard

•Compliant to RoHS directive 2002/95/EC

Note

(1) Contact factory for extended values

* Pb containing terminations are not RoHS compliant, exemptions may apply.

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

HISTORICAL

MODEL

POWER RATING

P70 °C

RESISTANCE

RANGE (1)

TOLERANCE

± %

TEMPERATURE

COEFFICIENT

± ppm/°C

CMF55..39 CMF-55-39 0.25 4 to 10K 1 100

CMF60..64 CMF-60-64 0.50 4 to 23K 1 100

TECHNICAL SPECIFICATIONS

PARAMETER UNIT CMF55..39 CMF60..64

Rated Dissipation at 70 °C W 0.25 0.50

Maximum Flame Test Voltage VRMS 350 500

Dielectric Strength VAC 450 750

Insulation Resistance Ω≥ 1010 ≥ 1010

Operating Temperature Range °C - 65/+ 165 - 65/+ 165

Weight (Max.) g 0.20 0.50

GLOBAL PART NUMBER INFORMATION

GLOBAL MODEL RESISTANCE VALUE PACKAGING

TOLERANCE

CODE

CMF55 F = ± 1 % K = 100 ppm EK = Lead (Pb)-free, bulk 39 = Fusible

CMF60 EA = Lead (Pb)-free, T/R (full)

4R0000 = 4.0 Ω EB = Lead (Pb)-free,

T/R (1000 pieces)

64 = Fusible

CMF60

680R00 = 680 Ω

BF = Tin/Lead, bulk

23K000 = 23 k Ω

RE = Tin/Lead, T/R (full)

R6 = Tin/Lead, T/R (1000 pieces)

New

lobal Part Numbering:

MF55100R00FKRE39 (preferred part numbering format)

CMF55100R00FKRE39

Historical Part Number example: CMF-55-391000F R36 (will continue to be accepted)

63RF000193-55-FMC

HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING

CMF55

SPECIAL

R =

K = k

TEMPERATURE

COEFFICIENT

Document Number: 31031 For technical questions, contact: ff2aresistors@vishay.com www.vishay.com

Revision: 11-Mar-10 125

CMF Fusible

Metal Film Resistors, Special Purpose, Fusible, Flameproof Vishay Dale

Note

(1) 1.08 ± 0.125 (27.43 ± 3.18) if tape and reel

Note

• Fusing time graphs represent an average for the resistance value range. Low resistance parts require higher power to fuse than high resistance

parts. It is recommended that values less than 200 Ω be evaluated for specific applications.

DIMENSIONS in inches (millimeters)

(Max.)

1.500 ± 0.125 (1)

(38.10 ± 3.18) A

GLOBAL MODEL A B C

(Max.) D

CMF55..39 0.240 ± 0.020

(6.10 ± 0.51)

0.090 ± 0.008

(2.29 ± 0.21)

0.278

(7.06)

0.025 ± 0.002

(0.64 ± 0.05)

CMF60..64 0.370 ± 0.035

(9.40 ± 0.89)

0.145 ± 0.010

(3.68 ± 0.25)

0.425

(10.80)

0.032 ± 0.002

(0.81 ± 0.05)

MARKING

- DALE

- Model (C55-39 or C60-64)

- Value

- Tolerance, Temperature coefficient

- Date code

FUSING TIME (s)

APPLIED POWER (W)

CMF55..39

CMF60..64

5 10 15 20 25 30 35

FUSIBLE, FLAMEPROOF

(Typical Fusing Times)

Document Number: 91000 www.vishay.com

Revision: 11-Mar-11 1

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