KMY
Last update: 2012.8.30 No.RC-K-HTS-0002-10
(Uncontrolled copy)
Sp e c i f i c a t i o n
(Reference)
Title:
Style:
FIXED CONDUCTIVE PATH RESISTORS
RC1/2U
RoHS COMPLIANCE ITEM
Product specification contained in this specification
are subject to change at any time without notice
If you have any questions or a Purchasing Specification for any quality
Agreement is necessary, please contact our sales staff.
Issue Dept.: Research & Development Department Hokkaido Research Center
KMY
Title:
FIXED CONDUCTIVE PATH RESISTORS
RC1/2U
Drawing No:
RC−K−HTS−0002
Page:
1/11
/10
1. Scope
1.1 This specification covers the detail requirements for fixed conductive path resistors in compliance with the requirement] for
UL1492, style of RC1/2U.
1.2 Applicable documents
UL1676−1990 Discharge Path Resistors
CSA C22.2 No.1−94 Audio, Video, and Similar Electronic Equipment
JIS C 5201−1: 1998, JIS C 5201−2: 1998, JIS C 5201−2−1: 1998
IEC60115−1: 1999, IEC60115−2: 1982, IEC60115−2−1: 1982
2. Classification
Type designation shall be the following form to be registered to UL or CSA.
(Example)
RC
1/2U
475
K
B
1
2
3
4
5
Style
1 Carbon composition resistors
Series designation (Style): FIXED CONDUCTIVE PATH RESISTORS
2 Rated dissipation
3 Rated resistance Example; 475
→
4.7MΩ
4 Tolerance on rated resistance
5 Packaging form
3. File No.
3.1 The file number to be designated by UL shall be as follows;
File No.: E151897
3.2 The file number to be designated by CSA shall be as follows;
File No.: CA109446−1
4. Rating
4.1 The ratings shall be in accordance with Table−1.
Style
RC1/2U
Rated dissipation
(W)
0.5
Rated voltage
(V)
350
Table−1
Rated resistance range
Preferred number
series for resistors
(Ω)
E12
1M∼10M
E6
Isolation Voltage
(V)
500
Category temperature
range (°C)
−55∼+125
Tolerance on rated
resistance
K(±10%)
M(±20%)
Applicable line voltage
250 Vac max. and/or 125 Vac max.
Style
RC1/2U
4.2 Climatic category
55/125/56
Lower category temperature
Upper category temperature
Duration of the damp heat, steady state test
Limits for change of resistance:
−for
long−term tests ±(10%+0.5Ω)
−for
short−term tests ±(2%+0.1Ω)
−
55 °C
+125 °C
56days
4.3 Stability class
10%
Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2012.8.30
KMY
Title:
FIXED CONDUCTIVE PATH RESISTORS
RC1/2U
Drawing No:
RC−K−HTS−0002
Page:
2/11
/10
4.4 Derating
The derated values of dissipation at temperature in excess of 70 °C shall be as indicated by the following curve.
100
Percentage
of the rated
dissipation
(%)
0
−55
70
125
Ambient temperature (°C)
Area of recommended
operation
Figure−1 Derating curve
5. Packaging form
The standard packaging form shall be in accordance with Table−2.
Table−2
Symbol
B
H
TB
TD
6. Dimensions
6.1 Straight lead type
φd
Packaging form
Bulk (Straight lead)
Loose package
Horizontal forming
52mm width taping box
52mm width taping reel
Standard packaging
quantity / units
500 pcs.
500 pcs.
2,000 pcs.
3,000 pcs.
Style
See 6.1
See 9
See 10
H
L
H
φD
Style
RC1/2U
L
9.5
+0.8
−0.7
Figure−2
Table−3
φD
3.6 ± 0.2
H
28 ± 3
Unit:mm
φd
0.7
+0.07
−0.05
Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2012.8.30
KMY
Title:
FIXED CONDUCTIVE PATH RESISTORS
RC1/2U
Drawing No:
RC−K−HTS−0002
Page:
3/11
/10
7. Marking
7.1 Marking of product
The rated resistance, tolerance on rated resistance and the other applicable mark shall be marked by five color coding on
the surface of resistor.
The color coding shall be based on JIS C 5062-1997
”Marking
codes for resistors and capacitors”．
The tolerance on rated resistance tolerance M(±20%) shall be none color of the forth color code.
First color
Band
Color
First digit
Second
Third color
color band
band
Rated resistance (Ω)
Second digit
Multiplier
Fourth color
band
Fifth color band
Tolerance on rated
resistance
Black
Brown
Red
Orange
Yellow
Green
Blue
Purple
Grey
White
Silver
−
0
1
2
3
4
5
6
7
8
9
−
−
0
1
2
3
4
5
6
7
8
9
−
−
−
−
−
−
−
10
5
10
6
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
±10%
±20%
−
−
−
−
−
Safety standards recognition on a resistor
−
−
−
−
−
−
Fifth color band: Use green to indicate that this resistor is
recognized by Safety standard.
Fourth color band: Tolerance on resistance: K or M
K(
±
10%): Silver
M(
±
20%): Not colored (Just the space)
Third color band (Multiplier)
Second color band (Second significant figure)
First color band (First significant figure)
Rated resistance
7．2 Marking of package
The label of a minimum package shall be legibly marked with follows;
1).Rated dissipation and Applicable line voltage
2).Type designation
3).Lot No.
4).Quantity
5).Manufacturer's name or trade mark
6).UL recognized component mark and/or CSA component acceptance mark.
7).Others
Example)
0 . 5W
−
2 5 0 V MA X
R C 1/ 2 U 2 2 5 K
P /N
1 2 34 5 6 7 8 9
2 . 2 M
Ω
K ( 1 6
−
10 A )
5 00 P C S
L/N
7 0 5 0 8 1 2 3 45
K A M A YA O H M J A P A N
Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2012.8.30
KMY
Title:
FIXED CONDUCTIVE PATH RESISTORS
RC1/2U
Drawing No:
RC−K−HTS−0002
Page:
4/11
/10
8. Performance
8.1 The standard condition for tests shall be in accordance with Sub−clause 4.2, JIS C 5201−1: 1998.
8.2 The performance shall be satisfied in Table−4.
Table−4(1)
No. Test items
Performance requirements
Condition of test (JIS C 5201−1)
1
Visual examination
As in 4.4.1
Sub−clause 4.4.1
The marking shall be legible, as
Checked by visual examination.
checked by visual examination.
2
Dimension
As specified in Table−3 of this
Sub−clause 4.4.2
specification.
Resistance
As in 4.5.2
Sub−clause 4.5
The
resistance
value
shall
correspond with the rated resistance
taking into account the specified
tolerance.
3
Voltage proof
No breakdown or flash over
Sub−clause 4.7
Method: V−block method
Test voltage: Alternating voltage with a peak
value of 1.42 times the insulation voltage.
Duration: 60 s ± 5 s
4
Solderability
Good thinning as evidenced by free
Sub−clause 4.17
flowing of the solder with wetting of
Without ageing
the terminations.
Method: 1 (The solder bath method)
Bath temperature: 235 °C ± 5 °C
Immersion time: 5 s ± 0.5 s
Depth immersion: A point within about 4mm
from the resistor body
Overload
Sub−clause 4.13
(in the mounted state)
The applied voltage shall be twice the limiting
element voltage.
Duration: 5 s
Visual examination
No visible damage
Legible marking
Resistance
∆R ≤
± (2%+0.1Ω)
Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2012.8.30
