Click to enlarge
METAL FILM RESISTORS
METAL FILM RESISTORS
Back to products
METAL GLAZE RESISTORS
METAL GLAZE RESISTORS

METAL OXIDE FLAME PROOF RESISTORS

The WMO series Metal Oxide Film Resistors are manufactured using the latest technology to ensure a very stable resistive medium. The resistors are insulated with layers of flame proof epoxy. The WMO series offer a wide range of power rating (0.25W, 0.50W, 1W, 2W & 3W) having tolerance ranges of ±1 % & ±5 %

Add to wishlist
Categories: ,
Description

SPECIFICATION
Type No. WMO 25/ WMO 50 M WMO 50/ WMO 100 M WMO 100/ WMO 200 M WMO 200 / WMO 300 M
Rated Power at 70’C 0.25 W / 0.50 W 0.50 W / 1 W 1 W / 2 W 2 W / 3 W
Resistance Range(E24 series) 0.1 E to 10 Meg 0.1 E to 10 Meg 0.1 E to 10 Meg 0.1 E to 10 Meg
Maximum working voltage at 70’c at normal air pressure 250V 350V 500V 500V
Maximum Over Load Voltage 500V 700V 1000V 1000V
Operating Temperature Range -40ºC to + 150ºC -40ºC to + 150ºC -40ºC to + 150ºC -40ºC to + 150ºC
Dielectric Strength 250V No break down
Δ R max. ± 0.5%		 350V No break down
Δ R max. ± 0.5%		 500V No break down
Δ R max. ± 0.5%		 500V No break down
Δ R max. ± 0.5%

 

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “METAL OXIDE FLAME PROOF RESISTORS”

Your email address will not be published. Required fields are marked *

Shipping & Delivery
CHARACTERISTICS
Terminal Strength no damage
Δ R max. ± 0.5%
Resistance to soldering heat (350ºC) Δ R max. ± 0.5%
Solderability good tinnin
no damage
Temperature Cycling
-40 ºC to ± 150 ºC		 Δ R max. ± 0.25%
Life 1000 hours at Rated Power Δ R max. ± 1%
Short time overload Δ R max. ± 1%
Resistance to solvents no damage
STANDARD RESISTANCE VALUE
E 24 Series
10 11 12 13 15 16 18 20 22 24 27 30
33 36 39 43 47 51 56 62 68 75 82 91
E 96 Series
100 102 105 107 110 113 115 118 121 124 127 130 133 137 140 143
147 150 154 158 162 165 169 174 178 182 187 191 196 200 205 210
215 221 226 232 237 243 249 255 261 267 274 280 287 294 301 309
316 324 332 340 348 357 365 374 383 392 402 412 422 432 442 453
464 475 487 499 511 523 536 549 562 576 590 604 619 634 649 665
681 698 715 732 750 768 787 806 825 845 866 887 909 931 953 976
DIMENSIONS (in mm)
TYPE WMO 25 / WMO 50 M H = 26 ± 2 L = 6.0 ± 0.4 D = 2.2 ± 0.1 d = 0.50 ± 0.05
TYPE WMO 50 / WMO 100M H = 26 ± 2 L = 9.0 ± 0.5 D = 3.2 ± 0.2 d = 0.60 ± 0.05
TYPE WMO100 / WMO 200M H = 26 ± 2 L = 11 ± 1.0 D = 4.3 ± 0.5 d = 0.65 ± 0.05
TYPE WMO 200 / WMO 300M H = 26 ± 2 L = 15 ± 1.0 D = 5.0 ± 0.5 d = 0.75 ± 0.05

Related products

Compare

WIRE WOUND RESISTORS – HIGH SURGE IMMUNITY

,
The WWHS series wire wound high surge immune resistors are manufactured using high quality resistance wires wound on ceramic substrates. The resistors are coated using layers of Flame Proof Silicon Epoxy with axial lead wires. These resistors have high surge voltage immunity. In WWHS series, for resistors up to 5W, the resistance value is color coded with 3 bands plus a tolerance band. An additional black band indicates that the resistor is wire wound. For resistors 6W and above, the value is printed on the resistor.
Read more
Quick view
Compare

THICK FILM CHIP RESISTORS

The CR series Thick Film Chip Resistors are manufactured by screening a metal glaze layer on a high grade ceramic body. The different resistance values are obtained by using different compositions of metal glaze. The end contacts are made to ensure optimum solderability. The resistive layer is then given a protective coating. The CR series offer a wide range of power ratings from 1/20W to IW and are available in tolerance ranges of ± 1 % and ±5% % with insulation Resistance ≥ 1000MΩ. .Miniature size, excellent mechanical strength and electrical stability ensures reduced costs and enhances dependability.
Read more
Quick view
Compare

METAL FILM RESISTORS

,
The WMF series Metal Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System. This ensures a very stable resistive medium having a very low temperature coefficient. The resistors are insulated with layers of light blue lacquer. The WMF series offer a wide range of power rating (0.125W, 0.25W, 0.40W, 0.50W, 1W, 2W & 3W), tolerances (0.1%, 0.5%, 1%, 2%, 5%) and TCRs (15, 25,50 & 100 ppm/ºC)
Read more
Quick view
Compare

WIRE WOUND RESISTORS – NON INDUCTIVE

,
The WWN series wire wound resistors - non inductive have very low inductance (less than 1µH), high heat dissipation and low TCR. The resistors are coated using layers of Flame Proof Epoxy with axial lead wire. In WWN series, resistors up to 5W, the resistance value is color coded with 3 bands plus a tolerance band. An additional yellow band indicates that the resistor is Non Inductive. For resistors 6W and above, the value is printed on the resistor.
Read more
Quick view
Compare

LOW OHM CURRENT SENSING RESISTORS OPEN FRAME

,
The WCSOA/WCSOR/WCSOV low ohm current sensing resistors are manufactured with high purity Ni-Cr/Cu-Ni element. These are open type resistors. WATTS offers these resistors ranging from 2mΩ to 20mΩ, having power rating from 2W to 10W.
  • WCSOA is axial type resistor.
  • WCSOR is radial pre-formed type resistor.
  • WCSOV is PCB mounting shunt type resistor.
Read more
Quick view
Compare

WIRE WOUND RESISTORS – SILICONE COATED

,
The WWS series wire wound resistors are manufactured using high quality resistance wires wound on ceramic substrates. The resistors are coated using layers of Flame Proof Epoxy with axial lead wire. In WWS series, resistors up to 5W, the resistance value is color coded with 3 bands plus a tolerance band. An additional black band indicates that the resistor is wire wound. For resistors 6W and above, the value is printed on the resistor.
Read more
Quick view
Compare

WIRE WOUND FUSIBLE RESISTORS

,
The WWF series wire wound fusible resistors are manufactured to perform as a regular resistor under normal conditions and as a fuse under excessive load. In WWF series, resistors up to 5W, the resistance value is colour coded with 3 bands plus a tolerance band. An additional white band indicates that the resistor is fusible. For resistors 6W and above, the value is printed on the resistor.
Read more
Quick view
Compare

WIRE WOUND MELF RESISTORS

,
The WWS MELF series wire wound resistors are manufactured using high quality resistance wires wound on ceramic substrates. The resistors are coated using layers of Flame Proof Epoxy. The WWS MELF series resistors are suitable for surface mount technologies.
Read more
Quick view