MO Series

Metal Oxide Film Resistors
MO Series
(Flame proof construction UL-1412)
MERITEK
PART NUMBERING SYSTEM
MO 2WS-1R5 J TA -52
Meritek Series
Power Rating
CODE
1/4W
0.25W
1/2WS
0.5W
1/2W
0.5W
1W
1W
2W
2W
3W
3W
Resistance
First 2 digits are significant
rd
3 digit is multiplier
“R” indicates decimal value below 10 ohm
Tolerance
CODE
J
G
F
± 5%
± 2%
± 1%
Packaging
CODE
TR
TA
B
Tape & Reel Tape & Ammo
Bulk
*: "S" in "MOXWS-" denotes small body size
**: A suffix may be added to denote custom features, i.e. -52 denote taping distance A=52mm
DIMENSIONS
Body
Type
Leadwire
(L)
(D)
(H)
(d±0.03)
MO1/4W
MO1/2WS
6.3±0.5
2.3 ±0.3
28±2
0.55±0.03
MO1/2W
MO1WS
9.0±0.5
3.2 ±0.5
26±2
0.65±0.03
MO1W
MO2WS
11.5±1.0
4.5±0.5
35±2
0.78±0.03
MO2W
MO3WS
15.5±1.0
5.0±0.5
32±2
0.78±0.03
MO3W
MO5WS
17.5±1.0
6.5±0.5
35±2
0.78±0.03
MO5W
MO7WS
24.5±1.0
8.5±0.5
35±2
0.78±0.03
SPECIFICATIONS
o
Power rating @ 70 C
Max working voltage
Max overload voltage
Dielectric withsanding voltage
Operation Temp. Range
Temp. Coefficient
Value Range ±1% ±2% ±5%
DERATING CURVE
1/4W
200V
350V
350V
1/2WS
250V
400V
350V
1/2W
300V
500V
400V
1WS
500V
600V
500V
1W
500V
600V
500V
2WS
2W
500V
550V
600V
600V
500V
500V
-55°C to +235°C
±200ppm/°C
1Ω~510KΩ, E24 Series
3WS
750V
800V
600V
3W
800V
1000V
750V
5W
1000V
1000V
750V
5WS
1000V
1000V
750V
7WS
1000V
1000V
750V
TEMPERATURE RISE
Rev. 7a
Metal Oxide Film Resistors
(Flame proof construction UL-1412)
MO Series
MERITEK
PACKING METHODS
BANDOLEER FOR AXIAL LEADS
DIMENSIONS﹝mm﹞
STYLE
Type
1/8W
1/6W
1/4WS
0.4W(0204)
1/2WSS
1/4W
1/2WS
0 .6W(0207)
1WSS
A
+1
-0
1.2
26
+1
-0
1
52
+1
-0
1.2
52
26
1/3W
52
1/2W
1WS
2WSS
52
1W
2WS
3WSS
2W
3WS
4WSS
B1-B2
52
73
52
73
+1
-0
+1
-0
+1
-0
+1
-0
+1
-0
+1
-0
+1
-0
S (spacing)
Max. deviation of spacing
5
5
1
1.2
5
1.2
5
1.5
5
1.5
10
3W
5WS
73
+1
-0
1.5
10
5W
7WS
88
+1
-0
1.5
10
1 mm per
10 spacing
Rev. 7a
Metal Oxide Film Resistors
MO Series
(Flame proof construction UL-1412)
MERITEK
TAPE ON REEL PACKING
22°30'(16×)
TAPE ON BOX PACKING
3
1
2
STYLE
Normal
1/8W
1/6W
1/4WS
0.4W(0204)
1/2WSS
1/4W
1/2WS
0 .6W(0207)
1WSS
1/3W
1/2W
1WS
2WSS
1W
2WS
3WSS
2W
3WS
4WSS
3W
5WS
5W
7WS
(1)
(2)
(3)
(4)
(5)
RESISTOR
BANDOLIER
PAPER
FLANGE
CYLINDER
TAPE ON REEL
Across Flange (A)
Qty Per Reel
W﹝A﹞
TAPE ON BOX
H﹝B﹞
L﹝C﹞
Qty Per Box
72
5,000
80
75
264
5,000
72
5,000
80
105
264
5,000
72
5,000
80
35
264
1,000
72
2,500
80
46
264
1,000
95
2,000
103
82
265
1,000
95
1,000
103
96
265
1,000
95
1,000
105
75
270
500
110
500
115
75
270
250
Rev. 7a