Metal Film Fixed Resistors (RoHS Compliant) MF-RC Series
FEATURES
• Temperature Range: -55°C ~ +155°C
• ±1% tolerance
• Epoxy coated miniature resistors
• Nickel chromium ceramic substrate
• Alloy coated leads
• Welded end caps
• EIA standard color coding
LOAD LIFE DERATING CURVE
100 -55ºC +70ºC +155ºC
+0.8 (%) 80
R/R (%)+0.4 Percent rated load 60
0
-0.4 40
-0.8 20
100Ω 1KΩ 10KΩ 100KΩ 1MΩ -60 -30 0 30 60 90 120 150 180
Nominal Resistance (Ω) Ambient Temperature (ºC)
Code: Package:
Bulk
REEL Tape and Reel
PART NUMBERING SYSTEM AP Ammo Pack
2 7 0 1 0 0 R E E L - R C
Series Value Package Suffix (RoHS Compliant)
SERIES, WATTAGE, VALUE RANGE, VOLTAGE, DIMENSIONS, AND AVAILABLE PACKAGING
Ød
H L H D
Series Watts Value Ranges Voltage (V) (Max.) Dimensions (mm) (Max.) Standard Quantities Available
(W) (Ω) W.V. O.V. L±.50 D±.30 H±3 d±.05 Bulk Tape and Reel Ammo Pack
270 1/8 10~10M 200 400 3.5 1.85 28 0.45 1,000 5,000 2,000
271 1/4 10~10M 250 500 6.8 2.5 28 0.54 1,000 5,000 1,000
273 1/2 10~10M 350 700 10 3.5 28 0.54 1,000 3,000 1,000
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600046 Date Revised: 10/19/17
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Metal Film Fixed Resistors (RoHS Compliant) MF-RC Series
STANDARD VALUES (Ω)
10 18 30.1 51 84.5 154 267 432 715 1.27K 2.26K 3.83K 6.49K 11.3K 20K 33.6K 56K 95.3K 174K 294K 487K 845K
10.2 18.2 30.9 51.1 86.6 158 270 442 732 1.3K 2.32K 3.9K 6.65K 11.5K 20.5K 34K 56.2K 97.6K 178K 300K 499K 866K
10.5 18.7 31.6 52.3 88.7 160 274 453 750 1.33K 2.37K 3.92K 6.8K 11.8K 21K 34.8K 57.6K 100K 180K 301K 511K 887K
10.7 19.1 32.4 53.6 90.9 162 280 464 768 1.37K 2.4K 4.02K 6.81K 12K 21.5K 35.7K 59K 102K 182K 309K 523K 909K
11 19.6 33 54.9 91 165 287 470 787 1.4K 2.43K 4.12K 6.98K 12.1K 22K 36K 60.4K 105K 187K 316K 536K 910K
11.3 20 33.2 56 93.1 169 294 475 806 1.43K 2.49K 4.22K 7.15K 12.4K 22.1K 36.5K 61.9K 107K 191K 324K 549K 931K
11.5 20.5 34 56.2 95.3 174 300 487 820 1.47K 2.55K 4.32K 7.32K 12.7K 22.6K 37.4K 62K 110K 192K 330K 560K 953K
11.8 21 34.8 57.6 97.6 178 301 499 825 1.5K 2.61K 4.42K 7.5K 13K 23.2K 38.3K 63.4K 113K 196K 332K 562K 976K
12 21.5 35.7 59 100 180 309 510 845 1.54K 2.67K 4.53K 7.68K 13.3K 23.7K 39K 64.9K 115K 200K 340K 576K 1.0M
12.1 22 36 60.4 102 182 316 511 866 1.58K 2.7K 4.64K 7.87K 13.7K 24K 39.2K 66.5K 118K 205K 348K 590K 1.5M
12.4 22.1 36.5 61.9 105 187 324 523 887 1.6K 2.74K 4.7K 8.06K 14K 24.3K 40.2K 68K 120K 210K 357K 604K 2.2M
12.7 22.6 37.4 62 107 191 330 536 909 1.62K 2.8K 4.75K 8.2K 14.3K 24.9K 41.2K 68.1K 121K 215K 360K 619K
13 23.2 38.3 63.4 110 196 332 549 910 1.65K 2.87K 4.87K 8.25K 14.7K 25.5K 42.2K 69.8K 124K 220K 365K 620K
13.3 23.7 39 64.9 113 200 340 560 931 1.69K 2.94K 4.99K 8.45K 15K 26.1K 43K 71.5K 127K 221K 374K 634K
13.7 24 39.2 66.5 115 205 348 562 953 1.74K 3.0K 5.1K 8.66K 15.4K 26.7K 43.2K 73.2K 130K 226K 383K 649K
14 24.3 40.2 68 118 210 350 565 976 1.78K 3.01K 5.11K 8.8K 15.8K 27K 44.2K 75K 133K 232K 390K 665K
14.3 24.7 41.2 68.1 120 215 357 576 1K 1.8K 3.09K 5.23K 8.87K 16K 27.4K 45.3K 76.8K 137K 237K 392K 680K
14.7 24.9 42.2 69.8 121 220 360 590 1.02K 1.82K 3.16K 5.36K 9.09K 16.2K 28K 46.4K 78.7K 140K 240K 402K 681K
15 25.5 43 71.5 124 221 365 604 1.05K 1.87K 3.24K 5.49K 9.1K 16.5K 28.7K 47K 80.6K 143K 243K 412K 698K
15.4 26.1 43.2 73.2 127 226 374 619 1.07K 1.91K 3.3K 5.6K 9.31K 16.9K 29.4K 47.5K 82K 147K 249K 422K 715K
15.8 26.7 44.2 75 130 232 383 620 1.1K 1.96K 3.32K 5.62K 9.53K 17.4K 30K 48.7K 82.5K 150K 255K 430K 732K
16 27 45.3 75.5 133 237 390 634 1.13K 2K 3.4K 5.76K 9.76K 17.8K 30.1K 49.9K 84.5K 154K 261K 432K 750K
16.2 27.4 46.4 76.8 137 240 392 649 1.15K 2.05K 3.48K 5.9K 10K 18K 30.9K 51K 86.6K 158K 267K 442K 768K
16.5 28 47 78.7 140 243 402 665 1.18K 2.1K 3.57K 6.04K 10.2K 18.2K 31.6K 51.1K 88.7K 160K 270K 453K 787K
16.9 28.7 47.5 80.6 143 249 412 680 1.2K 2.15K 3.6K 6.19K 10.5K 18.7K 32.4K 52.3K 90.9K 162K 274K 464K 806K
17.4 29.4 48.7 82 147 255 422 681 1.21K 2.2K 3.65K 6.2K 10.7K 19.1K 33K 53.6K 91K 165K 280K 470K 820K
17.8 30 49.9 82.5 150 261 430 698 1.24K 2.21K 3.74K 6.34K 11K 19.6K 33.2K 54.9K 93.1K 169K 287K 475K 825K
CHARACTERISTICS
Characteristics Limits Test Methods ( JIS C 5201-1 )
Must be within the specified The limit of error of measuring apparatus
DC. Resistance tolerance. shall not exceed allowable range or 1% of
resistance tolerance
Natural resistance change per temp.
degree centigrade.
Temperature Within the temperature R2-R1 x106 (PPM/°C)
coefficient coefficient specified below
±50 PPM / °C Max. R1(t2-t1)
R1: Resistance value at room temperature (t1)
R2: Resistance value at room temp.plus 100°C (t2)
Resistance change rate is Permanent resistance change after the
Short time ± (0.5 % + 0.05Ω) Max. with no application of a potential of 2.5 times RCWV
overload evidence of mechanical damage for 5 seconds.
Dielectric No evidence of flashover 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
Resistance change rate is Resistance change after 10,000 cycles
Pulse overload ±(1% +0.05Ω) Max. with no (1 second “on”, 25 seconds “off”)
evidence of mechanical damage at 4 times RCWV
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600046 Date Revised: 10/19/17
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Metal Film Fixed Resistors (RoHS Compliant) MF-RC Series
CHARACTERISTICS (Cont.)
Characteristics Limits Test Methods ( JIS C 5201-1 )
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 With 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 Permanent resistance change when leads
soldering heat ± (1% + 0.05Ω) Max. with no immersed to 3.2 to 4.8 mm from the body in
evidence of mechanical damage. 260 °C ± 3°C solder for 10 ± 0/-1 seconds
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
Resistance to No deterioration of protective Specimens shall be immersed in a bath of
solvent coatings and markings. trichroethane completely for 3 minutes with
ultrasonic.
Resistance change after continuous
5 cycles for duty shown below:
Temperature Resistance change rate is StepTemperature Time
cycling ± (1% + 0.05Ω) Max. with no 1 -55°C ±3°C 30 mins
evidence of mechanical damage. 2 Room temp. 10~15 mins
3 +155°C ±2°C 30 mins
4 Room temp. 10~15 mins
Resistance value ∆R/R Resistance change after 1,000 hours
Load life in operating at RCWV with duty cycle of
humidity Normal type ± 1.5 % (1.5 hours "on", 0.5 hour "off") in a humidity
test chamber controlled at 40°C ± 2°C
and 90 to 95 % relative humidity
Resistance value ∆R/R Permanent resistance change after
Load life 1,000 hours operating at RCWV with duty
Normal type ± 1.5 % cycle of ( 1.5 hours "on", 0.5 hour "off" ) at
70°C ± 2°C ambient
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600046 Date Revised: 10/19/17
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Mouser Electronics
Authorized Distributor
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273-280/AP-RC 273-287/AP-RC 273-240/AP-RC 273-243/AP-RC 270-280-RC 271-619-RC 273-267/AP-RC 273-
261/AP-RC 273-221/AP-RC 273-226/AP-RC 273-220/AP-RC 273-255/AP-RC 273-294/AP-RC 273-280-RC 270-
619-RC 273-210/AP-RC 273-215/AP-RC 273-237/AP-RC 273-270/AP-RC 273-274/AP-RC 271-280-RC 271-54.9-
RC 271-64.9-RC 271-24.9-RC 270-169-RC 271-2.61K/REEL-RC 271-169-RC 271-768K/AP-RC 273-169-RC 273-
280/REEL-RC 270-3.16K-RC 273-392K-RC 273-192K-RC 270-2.61K/REEL-RC 273-681/AP-RC 273-680/AP-RC
271-21.5/AP-RC 273-604/AP-RC 273-665/AP-RC 273-620/AP-RC 270-25.5-RC 270-75.5-RC 270-158K-RC 273-
57.6K/AP-RC 271-3.32K/REEL-RC 271-2.32K/REEL-RC 273-634/AP-RC 270-270K-RC 270-470K-RC 271-4.75K-
RC 273-2.32K/REEL-RC 273-3.32K/REEL-RC 273-29.4K-RC 271-340-RC 273-1.18K-RC 273-340-RC 273-10.7-
RC 273-3.3K-RC 273-1.3K-RC 270-340-RC 273-49.9-RC 271-29.4/AP-RC 273-158-RC 270-10.7-RC 270-1.3K-RC
270-3.3K-RC 271-158-RC 270-49.9-RC 273-137/REEL-RC 270-158-RC 270-9.76K/REEL-RC 271-270K-RC 271-
470K-RC 271-732K/AP-RC 273-8.2K-RC 270-3.16K/REEL-RC 270-715-RC 273-715-RC 271-21K/REEL-RC 270-
21K/REEL-RC 270-392K-RC 270-192K-RC 270-71.5K/REEL-RC 271-715-RC 271-48.7K/AP-RC 270-48.7K/AP-RC
270-560-RC 273-787/AP-RC 271-26.7/AP-RC 271-26.1/AP-RC 271-560-RC 273-732/AP-RC 271-158K-RC 270-
13.7/REEL-RC 271-25.5-RC 271-75.5-RC 273-13.7/REEL-RC 271-13.7/REEL-RC 273-715/AP-RC 273-560-RC
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