Thick Film High Voltage Lead-Free
Chip Resistors (Standard )
Halogen-Free
1. Scope :
Document No. TRH-XX0S001L
Revise Date
page number
2018/03/01
1/9
This specification applies for thick film high voltage Lead-Free chip resistors made by TA-I.
Conductor:
2. Construction:
Over Coat (Color : Green)
(Lead-free )
Sn Plating
Ni Plating
Ceramic Substrate
Resistive Element
3. Type Designation:
RH
Product Code
RH : High voltage
12
Size
Power Rating
F
Tolerance
TN
Packaging
4993
Nominal
Resistance
10-0805(2012) 1/8W
12-1206(3216) 1/4W
J- ±5%
G- ±2%
F- ±1%
T- Paper Tape
N- Lead Free
3 digits, e.g.:
(E-24) 104 = 100kΩ
4 digits, e.g.,:
(E-96) 4993 = 499kΩ
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage Lead-Free
Chip Resistors (Standard )
Halogen-Free
4. Dimensions:
Document No. TRH-XX0S001L
Revise Date
page number
2018/03/01
2/9
UNIT: mm
Type
RH10
RH12
L
2.00 ±0.10
3.10 ±0.20
W
1.25 ±0.10
1.55 ±0.10
C
0.35 ±0.20
0.40 ±0.25
d
0.40 ±0.20
0.40 ±0.20
t
0.50 ±0.10
0.55 ±0.10
5. Ratings & Characteristics :
Characteristics
Power Ratings (W)
Resistance Value (Ω)
T.C.R (ppm/
o
C)
Operation Temperature Range (
o
C)
Resistance Tolerance (%)
Maximum Working Voltage (V)
Maximum Overload Voltage (V)
Rating
voltage
Feature
RH10
1/8W
10KΩ~10MΩ
±
200
RH12
1/4W
47Ω ~ 27MΩ
Measurement Method
JIS Code 3A / JIS Code 3D
Refer to JIS C 5201-1-4.5
Refer to JIS C 5201-1-4.8
Refer 5.2
-55 ~ +155
±1, ±2, ±5
400
800
500
1000
JIS C 5201-1-4.2.5
Note : Except for the above standardized products, we also provide the customized products.
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage Lead-Free
Chip Resistors (Standard )
Halogen-Free
Document No. TRH-XX0S001L
Revise Date
page number
2018/03/01
3/9
5.1
Derating Curve :
For resistors operated at ambient temperature over 70℃ , power rating shall be derated in
accordance with figure 1.
P Max
Power ratio(%)
Ambient Temp.(℃)
Figure 1
5.2
Rated Voltage:
The rated voltage is calculated by the following formula:
E= P * R
E=
Rated Voltage(V)
P=
Rated Power(W)
R=
Resistance Value
(Ω)
E.G. : What is RH12FTN3003 the rated voltage ?
RH12FTN3003 P=1/4W ; R:3003=300KΩ=300,000Ω
E=√
1/4(W)*300000 (Ω)
= 273.86 V
Remark : However , it shall not exceed the maximum rated voltage .
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage Lead-Free
Chip Resistors (Standard )
Halogen-Free
6. Reliability Tests:
Test Items
Reference
standard
Condition of Test
Document No. TRH-XX0S001L
Revise Date
page number
2018/03/01
4/9
Test Limits
The marking shall be legible ,
as checked by visual examination
Visual examination
Checked by visual examination .
Temperature Coefficient of
Resistance
IEC60115-1-4.8
JIS-C5201-1-4.8
-55 ~ +125
℃
Refer to paragraph 5
Dielectric Withstanding Voltage
( Voltage Proof )
IEC60115-1-4.7
JIS-C5201-1-4.7
500Va. c., voltage , 1 min .
No abnormalities such as
flashover , burning dielectric
breakdown shall appear .
Insulation Resistance
IEC60115-1-4.6
JIS-C5201-1-4.6
100V voltage , 1 min .
≧1G
Ω
Solderability
IEC60115-1-4.17 245
±5℃
solder, 2
±0.5
sec dwell.
JIS-C5201-1-4.17 Solder : Sn96.5/Ag3/Cu0.5
At least 95% of surface area of
electrode shall be covered with
new solder.
±(1.0%+0.05Ω)
Short Time Overload
IEC60115-1-4.13
2.5 × rated voltage, 5s
JIS-C5201-1-4.13
Remark : (RH10)
1% : ±(1.0%+0.05Ω)
5% : ±(2.0%+0.05Ω)
Resistance to Soldering Heat
IEC60115-1-4.18
270
JIS-C5201-1-4.18
±5℃
solder , 10
±1
sec dwell .
±(1.0%+0.05Ω)
Rapid Change of Temperature
IEC60115-1-4.19
-55℃ (30 min. ) / +155
℃(30
min. ) 5 cycles
JIS-C5201-1-4.19
±(1.0%+0.05Ω)
±(5.0%+0.1Ω)
Load Life
IEC60115-1-4.25.1 1000 hours at rated power , 70℃ , 1.5hours
JIS-C5201-1-4.25.1 “ON “, 0.5hour “OFF”
Remark : (RH10)
1%: ±(1.0%+0.1Ω)
5%: ±(3.0%+0.1Ω)
±(5.0%+0.1Ω)
Load Life with Humidity
IEC60115-1-4.24 1000 hours at rated voltage , 40±2℃,
JIS-C5201-1-4.24 90~95% RH 1.5hours “ON “, 0.5hour “OFF”
Remark : (RH10)
1%: ±(1.0%+0.1Ω)
5%: ±(3.0%+0.1Ω)
±(1.0%+0.05Ω)
Robustness of Termination
(Bending)
IEC60115-1-4.33
3mm deflection
JIS-C5201-1-4.33
Remark : (RH10)
1%: ±(0.5%+0.05Ω)
5%: ±(1.0%+0.05Ω)
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage Lead-Free
Chip Resistors (Standard )
Halogen-Free
7. Marking
7.1
±2%
,
±5%
(E24) :
Document No. TRH-XX0S001L
Revise Date
page number
2018/03/01
5/9
Resistance value is expressed by 3 digits, the first two digits represent the
significant figures of nominal resistance value inΩ, and the third digit
represents exponent for base of 10.
Ex. 106 =10×10
6
=10000000Ω=10MΩ
7.2
±1%
(E96) :
Resistance value is expressed by 4digits, the first three digits represent the
significant figures of nominal resistance value inΩ, and the fourth digit
represents exponent for base of 10.
Ex. 4993 =499×10
3
=499000Ω=499KΩ
8. Taping & Reel
8.1 Taping Dimensions
8.1.1 4 mm pitch paper
UNIT: mm
Packing
Type
RH10
Paper Tape
RH12
2.0±0.15 3.6±0.2
A
B
W
F
E
P
1
P
2
P
0
D
0
T
1.6±0.15 2.4±0.2
+0.1
0.84±0.1
8.0±0.2 3.5±0.05 1.75±0.1 4.0±0.1 2.0±0.05 4.0±0.1
ψ1.5
-0
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