MCMF0W4DF3482A50 MULTICOMP, MCMF0W4DF3482A50 Datasheet - Page 3

• Manufacturer Part Number: MCMF0W4DF3482A50
• Description: RESISTOR, 34K8 , 0.25W 0.5% 50PPM
• Manufacturer: MULTICOMP
• Series: MCMF0W4r

Specifications of MCMF0W4DF3482A50

• Resistance: 34.8kohm
• Resistance Tolerance: ± 0.5%
• Power Rating: 250mW
• Voltage Rating: 250V
• Resistor Element Material: Metal Film
• No. Of Pins: 2
• Temperature Coefficient: ± 50ppm/°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DC resistance
Temperature coefficient
Short time overload
Dielectric withstanding
voltage
Pulse overload
Terminal strength
Resistance to soldering heat
Solderability
Resistance to solvent
MCMF0W4 Series
Precision Metal Film Fixed Resistors
Characteristics
Must be within the specified tolerance.
Within the temperature coefficient specified
below : ±50PPM/°C maximum.
Resistance change rate is ±(0.5% + 0.05Ω)
maximum with no evidence of mechanical
damage.
No evidence of flashover mechanical
damage, arcing or insulation break down.
Resistance change rate is ±(1% + 0.05Ω)
maximum with no evidence of mechanical
damage.
No evidence of mechanical damage.
Resistance change rate is ±(1% + 0.05Ω)
maximum with no evidence of mechanical
damage.
95% coverage minimum
No deterioration of protective coatings and
markings.
Limits
Page 3
The limit of error of measuring apparatus shall not
exceed allowable range or 0.5% of resistance
tolerance.
Natural resistance change per temperature degree
centigrade
R2-R1/ R1 (t2-t1) x 10
R1
R2
Permanent resistance change after the application of a
potential of 2.5 times RCWV for 5 seconds.
Resistors shall be clamped in the trough of a 90°
metallic V-block and shall be tested at AC potential
respectively.
Resistance change after 10,000 cycles 1 second "on",
25 seconds "off" at 4 times RCWV.
Direct load : Resistance to a 2.5kgs direct load for 10
seconds in the direction of the longitudinal axis of the
terminal leads.
Twist test : Terminal leads shall be bent through 90°
at point of about 6mm from the body of the resistor
and shall be rotated through 360° about the original
axis of the bent terminal in alternating direction for a
total of 3 rotations.
Permanent resistance change when leads immersed to
3.2 to 4.8 mm from the body in 350°C ±10°C solder for
3 ±0.5 seconds.
The area covered with a new, smooth, clean, shiny
and continuous surface free from concentrated
pinholes.
Test temperature of solder
Dwell time in solder
Specimens shall be immersed in bath of trichroethane
completely for 3 minutes with ultrasonic.
: Resistance value at room temperature (t1).
: Resistance value at room temperature plus
100°C (t2).
Test Methods (JIS C 5201-1)
6
(PPM/°C).
: 245°C ±3°C.
: 2 to 3 seconds.
16/04/08 V1.1