KMY
Last update: 2012.8.30 No.FCR-K-HTS-0001-11
(Uncontrolled copy)
Sp e c i f i c a t i o n
(Reference)
Title:
TRIMMABLE CHIP RESISTORS;
RECTANGULAR TYPE
FCR116,1/10,1/8,1/4,1/2,1
RoHS COMPLIANCE ITEM
Style:
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:
TRIMMABLE CHIP RESISTORS; RECTANGULAR TYPE
FCR1/16,1/10,1/8,1/4,1/2,1
Drawing No:
FCR−K−HTS−0001
Page:
1/12
/11
1. Scope
1.1 This specification covers the detail requirements for trimmable chip resistors; rectangular type, style of
FCR1/16,1/10,1/8,1/4,1/2,1.
1.2 Applicable documents
JIS C 5201−1: 1998, JIS C 5201−8: 1998, JIS C 5201−8−1: 1998
IEC60115−1: 1999, IEC60115−8: 1989 Amendment 1: 1992, IEC60115−8−1: 1989
EIAJ RC−2134B−2002
2. Classification
Type designation shall be the following form.
TP
(Example)
FCR
1/8
123
−
1
2
3
4
5
Style
1 Trimmable chip resistors; rectangular type
2 Rated dissipation and / or dimension
3 Rated resistance Example; 123
→
12kΩ
4 Tolerance on rated resistance
−(Dash)
5 Packaging form
L
Style
％
±15％
0
−30
3. Rating
3.1 The ratings shall be in accordance with Table−1.
The power dissipation shall be the value before resistors are trimmed.
Table−1
Style
Rated dissipation
(W)
Temperature coefficient of
6
resistance ( 10
−
/ °C)
Rated resistance
range(Ω)
Preferred number
series for resistors
Tolerance on
rated resistance
0
−30
％(−)
or
FCR1/16
FCR1/10
FCR1/8
FCR1/4
FCR1/2
FCR1
Style
0.063
0.1
0.125
0.25
0.5
1.0
Limiting element
voltage (V)
±200
±500∼−200
±200
10∼4.7M
1.0∼9.1
E24
10∼4.7M
±15％(L)
Isolation voltage
(V)
Category temperature
range (°C)
FCR1/16
FCR1/10
FCR1/8
FCR1/4
FCR1/2
FCR1
50
150
200
100
500
−55∼+125
3.2 Climatic category
55/125/56
Lower category temperature
Upper category temperature
Duration of the damp heat, steady state test
−
55 °C
+125 °C
56days
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:
TRIMMABLE CHIP RESISTORS; RECTANGULAR TYPE
FCR1/16,1/10,1/8,1/4,1/2,1
Drawing No:
FCR−K−HTS−0001
Page:
2/12
/11
3.3 Stability class
5%
Limits for change of resistance:
−for
long−term tests ±(5%+0.1Ω)
−for
short−term tests ±(1%+0.05Ω)
3.4 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
3.5 Rated voltage
d. c. or a. c. r. m. s. voltage calculated from the square root of the product of the rated resistance and the rated dissipation.
E : Rated voltage (V)
E =
P · R
P : Rated dissipation (W)
R : Rated resistance (Ω)
Limiting element voltage can only be applied to resistors when the resistance value is equal to or higher than the critical
resistance value.
At high value of resistance, the rated voltage may not be applicable.
4. Packaging form
The standard packaging form shall be in accordance with Table−2.
Table−2
Symbol
B
TP
TE
Packaging form
Bulk (loose package)
Paper taping
Embossed taping
8mm width, 4mm pitches
8mm width, 4mm pitches
12mm width, 4mm pitches
Standard packaging
quantity / units
1,000 pcs.
5,000 pcs.
4,000 pcs.
Application
FCR1/16,1/10,
FCR1/8,1/4, 1/2, 1
FCR1/16,1/10,1/8
FCR1/4
FCR1/2,1
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:
TRIMMABLE CHIP RESISTORS; RECTANGULAR TYPE
FCR1/16,1/10,1/8,1/4,1/2,1
Drawing No:
FCR−K−HTS−0001
Page:
3/12
/11
5. Dimensions
5.1 The resistor shall be of the design and physical dimensions in accordance with Figure−2 and Table−3.
A
L
D
c
W
H
Style
FCR1/16
FCR1/10
FCR1/8
FCR1/4
FCR1/2
FCR1
Style
L
1.6±0.1
2.0±0.1
3.2±0.15
3.2±0.15
5.0±0.15
6.3±0.15
d
W
0.8
+0.15
−0.10
1.25±0.10
1.6±0.15
2.5±0.15
2.5±0.15
3.2±0.15
Thickness of
resistive film
------
Figure−2
Table−3
A
-----
0.71±0.10
0.95±0.10
1.84±0.10
1.7±0.1
2.35±0.10
d
H
0.45±0.10
0.55±0.1
0.55±0.1
0.55±0.15
0.55±0.15
0.55±0.15
D
-----
0.66±0.10
1.3±0.1
1.32±0.10
2.82±0.10
4.0±0.1
Unit : mm
c
0.3±0.1
0.4±0.2
0.5±0.25
0.5±0.25
0.6±0.2
0.6±0.2
FCR1/16
0.3±0.1
FCR1/10
0.4±0.2
FCR1/8
0.5±0.25
11±5μm
13±5μm
FCR1/4
FCR1/2
0.6±0.2
FCR1
∗1.The
resistance print shall be on to the horizontal
(W)and
vertical
(L)
direction within
±0.2mm.
5.2 Net weight (Reference)
Style
Net weight(mg)
FCR1/16
2
FCR1/10
5
FCR1/8
9
FCR1/4
16
FCR1/2
25
FCR1
40
Thickness of
glass overcoat
------
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:
TRIMMABLE CHIP RESISTORS; RECTANGULAR TYPE
FCR1/16,1/10,1/8,1/4,1/2,1
Drawing No:
FCR−K−HTS−0001
Page:
4/12
/11
6. Performance
6.1 The standard condition for tests shall be in accordance with Sub−clause 4.2, JIS C 5201−1: 1998.
6.2 The performance shall be satisfied in Table−4.
6.3 The performance shall be the value before resistors are trimmed.
Table−4(1)
No.
Test items
Performance requirements
Condition of test (JIS C 5201−1)
As in 4.4.1
1
Visual examination
Sub−clause 4.4.1
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: 4.6.1.4(See Figure−5)
Test voltage: Alternating voltage with a peak
value of 1.42 times the insulation voltage.
Duration: 60 s ± 5 s
R
≥
1G
Ω
Insulation resistance
Test voltage: Insulation voltage
Duration: 1 min.
4
Solderability
As in 4.17.4.5
Sub−clause 4.17
The terminations shall be covered
Without ageing
Flux: The resistors shall be immersed in a with a smooth and bright solder
coating.
non−activated soldering flux for 2s.
Bath temperature: 235 °C ± 5 °C
Immersion time: 2 s ± 0.5 s
5
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Overload
Sub−clause 4.13
(in the mounted state)
The applied voltage shall be 2.5 times the rated
voltage or twice the limiting element voltage,
whichever is the less severe.
Duration: 2 s
No visible damage
Visual examination
∆R ≤
± (1%+0.05Ω)
Resistance
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
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