XICON PASSIVE COMPONENTS • (800) 628-0544
Carbon Film Fixed Resistors (RoHS Compliant) CF-RC Series
XC-600035 Date Revised: 05/15/17
Characteristics Limits Test Methods ( JIS C 5201-1 )
Must be within the specified 5.1 The limit of error of measuring apparatus
DC. Resistance tolerance. shall not exceed allowable range or 5% of
resistance tolerance
Resist. Range T.C.R. (PPM / °C) 5.2 Natural resistance change per temp.
degree centigrade.
Temperature <10Ω 0~±350 R2-R1
coefficient 11Ω~99K 0~-450 x106(PPM/°C)
100K ~ 1M 0 ~ -700 R1(t2-t1)
1.1M ~ 10M 0 ~ -1500 R1: Resistance value at room temperature (t1)
R2: Resistance value at room temp.plus 100°C (t2)
Resistance change rate is 5.5 Permanent resistance change after the
Shorttime ±(1%+0.05Ω)Max.withno applicationofapotentialof2.5timesRCWV
overload evidence of mechanical damage for 5 seconds.
5.6 Resistors shall be clamped in the trough of
Insulation Insulation resistance is a 90° metallic V-block and shall be tested at
Resistance 10,000MΩMin DCpotentialrespectivelyspecifiedinthe
above list for 60 +10/ -0 seconds.
Dielectric No evidence of flashover 5.7 Resistors shall be clamped in the trough
withstanding mechanical damage,arcing or of a 90° metallic V-block and shall be tested
voltage insulation break down. at AC potential respectively specified in the
table 1 for 60 + 10/-0 seconds.
6.1 Direct load
Resistance to a 2.5 kgs direct load for 10 secs.
in the direction of the longitudinal axis of the terminal leads.
Terminal No evidence of mechanical Twist test :
strength damage. Terminal leads shall be bent through 90° at a 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.
Resistance to Resistance change rate is 6.4 Permanent resistance change when leads
solderingheat ±(1%+0.05Ω)Max.withno immersedto3.2to4.8mmfromthebodyin
evidence of mechanical damage. 350 °C ± 10°C solder for 3 ± 0.5 seconds
6.5 The area covered with a new , smooth
clean , shiny and continuous surface free
Solderability 95 % coverage Min. from concentrated pinholes.
Test temp. of solder : 245°C ± 3°C
Dwell time in solder : 2 ~ 3 seconds
7.4 Resistance change after continuous
5 cycles for duty shown below:
Temperature Resistance change rate is Step Temperature Time
cycling ±(1%+0.05Ω)Max.withno 1 -55°C±3°C 30mins
evidence of mechanical damage. 2 Room temp. 10~15 mins
3 +155°C ±2°C 30 mins
4 Room temp. 10~15 mins
Resistancevalue ∆R/R 7.9Resistancechangeafter1,000hours
Load life in operating at RCWV with duty cycle of
humidity NormalType<than100KΩ±3% (1.5hours"on",0.5hour"off")inahumidity
>100KΩ ±5% testchambercontrolledat40°C±2°C
and 90 to 95 % relative humidity
Resistancevalue ∆R/R 7.10Permanentresistancechangeafter
Load life 1,000 hours operating at RCWV with duty
NormalType<than56KΩ±2% cycleof(1.5hours"on",0.5hour"off")at
>56KΩ ±3% 70°C±2°Cambient
CHARACTERISTICS
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.