K M Y Last update: 2012.8.30 No.RH-K-HTS-0001-2
(Uncontrolled copy)
Specification
(Reference)
Title: FIXED HIGH VOLTAGE RESISTORS PRECISION
Style: RH1, 2, 3, 4, 6, 8
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
K M Y Drawing No: RH−K−HTS−0001 /2
Title: FIXED HIGH VOLTAGE RESISTORS: PRECISION
RH1, 2, 3, 4, 6, 8 Page: 1/6
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
1. Scope
1.1 This specification covers the detail requirements for fixed high voltage resistors: precision, style of RH1, 2, 3, 4, 6, 8.
1.2 Applicable documents
JIS C 5201−1994, JIS C 5202−1990
2. Classification
Type designation shall be the following form.
(Example) RH 1 D 100M J Ｂ
1 2 3 4 5 6 7
Style
1 Fixed high voltage resistors: precision
2 Rated dissipation
3 Temperature coefficient of resistance
4 Rated resistance Example: 100M → 100MΩ
5 Tolerance on rated resistance
6 Note
7 Packaging form
3. Rating
3.1 The ratings shall be in accordance with Table−1.
Table−1
Style Rated dissipation
(W)
Limiting element voltage
(kV)
Max. overload
voltage (kV)
Pulse voltage
(kV)
RH1 1 1.5 4 4
RH2 2 5 12.5 7.5
RH3 3 10 25 15
RH4 4 15 30 20
RH6 6 20 40 30
RH8 8 30 60 40
Style Temperature coefficient of
resistance
Rated resistance
range (MΩ)
Tolerance on rated
resistance
Working temperature
range (°C)
RH1
RH2
RH3
K(±100×10−6/°C) 1≤R≤500
RH4
RH6
RH8
D(±200×10−6/°C) 500<R≤5000
F(±1%)
G(±2%)
J(±5%)
K(±10%)
−25~+100
*Rated resistance shall be an arbitrary constant within the rated resistance range.
*Use in insulated oil shall be applied to RH 4, RH6 and RH8.
Blank Standard
A Possible to use in Insulated oil.
Style
K M Y Drawing No: RH−K−HTS−0001 /2
Title: FIXED HIGH VOLTAGE RESISTORS: PRECISION
RH1, 2, 3, 4, 6, 8 Page: 2/6
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
3.2 Derating
The derated values of dissipation at temperature in excess of 40 °C shall be as indicated by the following curve.
Figure–1 Derating curve
3.3 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: 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 Packaging form Standard packaging
Quantity / units Application
100 pcs. RH1
50 pcs. RH2, 3
B Bulk Loose
package 25 pcs. RH4, 6, 8
−25
100
40 125
0 100
A
rea of recommended
operation
Percentage
of the rated
dissipation
(%)
A
mbient temperature (°C)
K M Y Drawing No: RH−K−HTS−0001 /2
Title: FIXED HIGH VOLTAGE RESISTORS: PRECISION
RH1, 2, 3, 4, 6, 8 Page: 3/6
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
5. Dimensions
5.1 The resistor shall be accordance with the design and physical dimensions in Figure−2, Figure−3, Table−3 and Table−4.
5.1.1 Standard
In case of dispute on the measurement of L, the measurement shall be made
at position where the width is equal to 1/2 of the actual measured D.
Figure−2
Table−3 Unit: mm
Style L φD H φd
RH1 14.5±1.0 4.0±1.0 38±3 0.8
RH2 26.5±1.0 5.0±1.0 38±3 1.0
RH3 39.0±2.0 5.0±1.0 38±3 1.0
RH4 52.0±2.0 9.0±1.0 38±3 1.0
RH6 77.0±2.0 9.0±1.0 38±3 1.0
RH8 97.0±2.0 9.0±1.0 38±3 1.0
5.1.2 Possible to use in Insulated oil.; Symbol: A.
Figure−3
Table−4 Unit: mm
Style L φD H φd
RH4 51.5±2.0 8.0±1.0 38±3 1.0
RH6 76.0±2.0 8.0±1.0 38±3 1.0
RH8 96.0±2.0 8.0±1.0 38±3 1.0
H
φ
d
H
L
φ
D
D/2
L
D
H
φ
d
H
L
φ
D Oil pass hole
2
−
φ
1.0
K M Y Drawing No: RH−K−HTS−0001 /2
Title: FIXED HIGH VOLTAGE RESISTORS: PRECISION
RH1, 2, 3, 4, 6, 8 Page: 4/6
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
6. Marking
6.1 Marking on products
The following shall be marked on surface of resistor body.
(Example) (1) Style name and Temperature characteristic of resistance RH6HVD
(2) Rated resistance 100MΩ
(3) Tolerance on rated resistance J
(4) Manufacturer’s name or trade mark KAMAYA
(5) Date code (Example)
Symbol of month: January to September……… 1 to 9
October ……………………… O
November …………………… N
December …………………… D
(Example of marking)
6.2 Marking on package
The label of a minimum package shall be legibly marked with follow;
(1) Style name (2) Rated dissipation (3) Temperature characteristic of resistance
(4) Rated resistance (5) Tolerance on rated resistance (6) Lot number
(7) Quantity (8) Manufacturer’s name or trade mark (9) Others
5 O 1 8 1. Day
1 2 3
2. Month
3. Last digit of year
RH6HVD
100M
Ω
J
KAMAYA
5018
K M Y Drawing No: RH−K−HTS−0001 /2
Title: FIXED HIGH VOLTAGE RESISTORS: PRECISION
RH1, 2, 3, 4, 6, 8 Page: 5/6
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
7. Performance
7.1 The standard condition for tests shall be in accordance with Sub−clause 3, JIS C 5202−1990.
7.2 The performance shall be satisfied in Table−5.
7.3 The following three performance (*3) shall not be applied to the use in insulation oil.
• No.4 Insulation resistance, No.5 Dielectric withstanding voltage, No.11 Humidity (Steady state)
Table−5(1)
No. Test items Condition of test (JIS C 5202) Performance requirements
1 DC resistance Paragraph 5.1
Measurement voltage: 100Vdc
Period: Within 5s
Within the specified tolerance of
nominal resistance.
2 Temperature characteristic
of resistance
Paragraph 5.2
The resistance shall be measured at the room
temp. and temp. about 80°C higher than the
room temp.
See Table−1
3 Short time overload Paragraph 5.5
Test potential: 2.5 times rated voltage.
Test period: 5s.
Test potential should not exceed max. overload
voltage as shown in Table−1.
Within ±(1%+0.05Ω)
No evidence of appearance
damage.
4 Insulation resistance
*3
Paragraph 5.6
Test condition: A
Test potential:500Vdc.
Test period: 1min.
1000MΩ min.
5 Dielectric withstanding
voltage
*3
Paragraph 5.7
Test condition: A
Test pressure: Normal pressure
Test potential: 500Vac
+10
Test period:60 s
0
No flashover, fire and breakdown.
6 Pulse test Test condition: Pulse wave: (1.2×50)µs
Interval: 10s
Test times: 10,000 times
Test potential should not exceed pulse voltage
as shown in Table−1.
Within ±(1%+0.05Ω)
No evidence of appearance
damage.
7 Terminal strength
Pulling test
Paragraph 6.1.2(1)
Pull force: 25N
Duration: 10s.
8 Terminal strength
Bending test
Paragraph 6.1.2(4)
Test condition: Angle of 90degrees for 5 times.
No evidence of mechanical damage.
9 Resistance to soldering heat Paragraph 6.4
Depth of immersion: A point within 4±0.8mm
from the resistor body.
Temp. of solder bath: 350±10°C
Immersion time: 3.5±0.5s
After immerse into solder, leaving at the room
temp. for 1h, and then measure the resistance.
Within ±(1%+0.05Ω)
No evidence of appearance
damage.
K M Y Drawing No: RH−K−HTS−0001 /2
Title: FIXED HIGH VOLTAGE RESISTORS: PRECISION
RH1, 2, 3, 4, 6, 8 Page: 6/6
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
Table−5(2)
No. Test items Condition of test (JIS C 5202) Performance requirements
9 Solderability Paragraph 6.5
Flax: Rosin Methanol(25wt%)
Test condition: Temp. solder bath and Immersion
time: 260 °C ± 5 °C, 5 s±0.5 s
Depth of immersion: A point within about 4 mm
from the resistor body.
The surface of terminal immersed
shall be min. of 3/4 covered with a
new coating of solder.
Paragraph 7.4
Test cycle: 5 cycles for duty cycle as specified
below.
Step Temperature(°C)Time(min.)
1 Room Temp. 2∼3
2 −25±3 30
3 Room Temp. 2∼3
10 Temperature cycling
4 +85±2 30
Within ±(1%+0.05Ω)
No evidence of appearance damage.
11 Humidity (Steady state)
*3
Paragraph 7.5
Test temp. & relative humidity: 40±2°C &
90∼95% RH.
+48
Test period: 1,000 h
0
After drying at 40±2°C for 60±15 min., leaving at
the room temp. for about 30 min, and then
measure the resistance.
Within ±(5%+0.1Ω)
No evidence of appearance damage.
12 Load life Paragraph 7.10
Mounting space: 25 mm min.
Test temp.: 40±2°C
Test voltage: Cycle of 1h 30min. “ON” and
30min. “OFF” at dc rated voltage.
+48
Test period:1,000 h
0
Within ±(5%+0.1Ω)
No evidence of appearance damage.
