DATA SHEET
Product Name Metal Oxide Film Fixed Resistors
Part Name MOR Series
File No. DIP-SP-004
Uniroyal Electronics Global Co., Ltd.
88#, Longteng Road, Economic & Technical Development Zone, Kunshan, Jiangsu, China
Tel
Email
Manufacture Plant
+86 512 5763 1411 / 22 /33
marketing@uni-royal.cn
Uniroyal Electronics Industry Co., Ltd.
Aeon Technology Corporation
Royal Electronic Factory (Thailand) Co., Ltd.
Royal Technology (Thailand) Co., Ltd.
Metal Oxide Film Fixed Resistors
1. Scope
1.1 This datasheet is the characteristics of Metal Oxide Film Fixed Resistors manufactured by UNI-ROYAL.
1.2 Excellent flame retardant coating
1.3 High stability even in bad environment
1.4 High purity ceramic core
1.5 Meet EIA-RC2655A requirements
1.6 High safety standard
2. Part No. System
The standard Part No. includes 14 digits with the following explanation:
2.1 1th ~4th digits
For Coated type, the 1st~3rd digits are to indicate the product type and the 4th digit is the special
feature. Example: MOR0=Metal Oxide Film Fixed Resistors
2.2 5th~6th digits:
2.2.1 This is to indicate the wattage or power rating. To dieting the size and the
numbers, The following codes are used; and please refer to the following chart
for detail: W=Normal Size; 1”~“G”to denote“1”~“16”as Hexadecimal:
1/16W~1W: (<1W )
Wattage
1/2
1/3
1
1/5
1/6
1W~16W (≧1W )
Normal Size
Small Size
Extra Small Size
Wattage
Normal Size
Small Size
Extra Small Size
W2
S2
U2
1
1W
1S
1U
W3
S3
U3
2
2W
2S
2U
W4
S4
U4
3
3W
3S
3U
5
5W
5S
5U
W5
S5
U5
7
7W
7S
7U
W6
S6
U6
8
8W
8S
8U
1/8
W8
S8
U8
9
9W
9S
9U
1/10
WA
SA
UA
10
AW
AS
AU
1/16
WG
SG
UG
15
FW
FS
FU
2.2.2 For power rating less or equal to 1 watt, the 5th digit will be the letters W to represent the size required & the 6th digit will be a number or
a letter code. Example: WA=1/10W; W4=1/4W
2.3 The 7th digit is to denote the Resistance Tolerance. The following letter code is to be used for indicating the
standard Resistance Tolerance. D=±0.5% F=±1% G=±2% J=±5% K= ±10%
2.4 The 8th to 11th digits is to denote the Resistance Value.
2.4.1 If value belongs to standard value of E-24 series, the 8th code is zero, 9th~10th codes are the significant figures of resistance value, and the
11th code is the power of ten.
2.4.2 If value belongs to standard value of E-96 series, the 8th~10th codes are the significant figures of resistance value, and the 11th code is
the power of ten.
2.4.3 The following number s and the letter codes are to be used to indicate the number of zeros in the 11th digit:
0=100 1=101 2=102 3=103 4=104 5=105 6=106 J=10-1 K=10-2 L=10-3 M=10-4
2.5 The 12th, 13th & 14th digits.
2.5.1 The 12th digit is to denote the Packaging Type with the following
codes: A=Tape/Box; T=Tape/Reel;
B=Bulk/Box
2.5 .2 The 13th digit is normally to indicate the Packing Quantity of Tape/Reel packaging types. The following letter code is to be used for some
packing quantities:
4=4000pcs 5=5000pcs C=10000pcs D=20000pcs E=15000pcs
2.5.3 For some items, the 14th digit alone can use to denote special features of additional information with the following codes:
0=NIL
P=Panasert type
1=Avisert type 1
2=Avisert type 2
3=Avisert type 3
8=PT-58mm
9=PT-64mm
7=Lead wire(H)38mm
A=PT-83mm
C=PT-73mm
D=PT-71mm
Oct.28,2022 V.4
www. uni-royal.cn
Page 2/8
Metal Oxide Film Fixed Resistors
3.
Ordering Procedure
(Example: MOR 1WS ±5% 8.2Ω T/B-1000)
M O
R
0
1
S
Product Type:
MOR=Metal Oxide
Film Fixed Resistors
J
0
8
2
J
Resistance Value:
±2%、±5%、10% series:
The 1st digit will be ”0”; the
2nd & 3rd digits are for the
significant figures of the
resistance and the 4th digit
denotes number of zeros
following
Example:20KΩ:0203
≤±1%series:
The 1st to 3rd digits are for
the significant figures of the
resistance and 4th digit denotes
number of zeros following.
Wattage:
Normal size:
W4=1/4W
W2=1/2W
1W=1W
2W=2W
3W=3W
5W=5W
7W=7W
9W=9W
Small size:
S2=1/2WS
1S=1WS
2S=2WS
3S=3WS
5S=5WS
Example:20KΩ:2002
J=10-1; K=10-2; L=10-3
Special Features:
0= Standard product
I= Non-lnductive
Tolerance :
G=±2%
J=±5%
K=±10%
A
1
0
Packing
quantity:
1=1,000pcs
2=2,000pcs
3=3,000pcs
4=4,000pcs
5=5,000pcs
A=500pcs
B=2,500pcs
Additional Information:
0=NIL
P=Panasert type
1=Avisert type 1
2=Avisert type 2
3=Avisert type 3
8=PT-58mm
9=PT-64mm
7=Lead wire(H)38mm
A=PT-83mm
C=PT-73mm
D=PT-71mm
Packing Type:
A=Tape/Box
T=Tape/Reel
B=Bulk/Box
P=Tape/Box of PT-26 product
4. Marking
Resistors shall be marked with color coding
Colors shall be in accordance with JIS C 0802
4.1 Label:
Label shall be marked with following items:
(1) Type and style
(2) Nominal resistance
(3) Resistance tolerance
(4) Quantity
(5) Lot number
(6) PPM
Oct.28,2022 V.4
Example:
Metal Oxide Film Fixed Resistors
WATT: 1WS
Q’TY: 1,000
LOT: 5021548
www. uni-royal.cn
VAL:8.2Ω
TOL: 5%
PPM:
Page 3/8
Metal Oxide Film Fixed Resistors
5. Dimension
Type
MOR 1/4W
MOR 1/2WS
MOR 1/2W
MOR 1WS
MOR 1W
MOR 2WS
MOR 2W
MOR 3WS
MOR 3W
MOR 5WS
MOR 5W
MOR 7W
MOR 8W
MOR 9W
D
2.2±0.5
2.2±0.5
3.0±0.6
3.5±0.6
4.5±0.6
4.5±0.6
5.0±0.6
5.0±0.6
6.0±0.6
6.0±0.6
8.0±0.6
8.0±0.6
8.0±0.6
8.0±0.6
Dimension(mm)
d
L
±0.05
6.5±1.0
6.5±1.0
9.5±1.0
9.5±1.0
11.5±1.0
11.5±1.0
15.5±1.0
15.5±1.0
17.5±1.0
17.5±1.0
24.5±1.0
29.5±1.0
39.5±1.0
52.5±1.0
0.54
0.54
0.54
0.54
0.70
0.70
0.70
0.70
0.75
0.75
0.75
0.75
1.00
1.00
H
±3
PT
28
28
28
28
25
25
28
28
28
28
38
38
38
38
52
52
52
52
52
52
64
64
64
64
90
B/B
B/B
B/B
Max
Working
Voltage
Max
Overload
Voltage
Dielectric
Withstanding
Voltage
Tolerance
Resistance
Range
250V
250V
250V
350V
350V
350V
350V
350V
500V
500V
750V
750V
750V
750V
400V
400V
400V
600V
600V
600V
600V
600V
800V
800V
1000V
1000V
1000V
1000V
250V
250V
250V
350V
350V
350V
350V
350V
500V
500V
750V
750V
750V
750V
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
±2%、±5%
0.1Ω~470KΩ
0.1Ω~470KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~560KΩ
0.1Ω~680KΩ
20Ω~150KΩ
30Ω~200KΩ
50Ω~200KΩ
6. Derating Curve
Resistors shall have a power rating based on continuous load operation at an ambient temperature from -55℃ to 70℃. For temperature in
excess of 70℃, the load shall be derate as shown in figure 1
Voltage rating:
Resistors shall have a rated direct-current (DC) continuous working voltage or an approximate sine-wave
root-mean-square (RMS) alternating-current (AC) continuous working voltage at commercial-line
frequency and waveform corresponding to the power rating, as determined from the following formula:
Remark: RCWV: Rating Continuous Working Voltage (Volt.)
P: power rating (Watt)
R: nominal resistance (Ω)
In no case shall the rated DC or RMS AC continuous working voltage be greater than the applicable maximum value.
The overload voltage is 2.5 times RCWV or Max. Overload voltage whichever is lower.
Oct.28,2022 V.4
www. uni-royal.cn
Page 4/8
Metal Oxide Film Fixed Resistors
7. Structure
No.
Name
Material
1
Basic body
Rod type ceramics
2
Resistor
Metal Oxide Film
3
End cap
Steel (Tin plated iron surface)
4
Lead wire
Tin solder coated copper wire
5
Joint
By welding
Insulated resin Color:
6
Gray (Normal size)
Coating
Sea blue (Small size)
7
Color code
Epoxy resin
8. Performance Specification
Characteristic
Test Method
(GB/T5729&JIS-C-5201&IEC60115-1)
Limits
1/4W 1/2WS
≦100KΩ: ±350PPM/℃
100KΩ
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