Thick Film High Voltage
Chip Resistors(for 0805)
1. Scope :
Document No.
Revise Date
page number
TRH-100S014A
2011/03/29
1/9
This specification applies for thick film high voltage chip resistors made by TA-I.
Conductor :
2. Construction:
Over Coat (Color : Green)
(Lead-free or with lead )
Sn Plating
Resistive Element
Ceramic Substrate
Ni Plating
3. Type Designation:
RH
Product Code
RH : High voltage
10
Size
Power Rating
F
Tolerance
TN
Packaging
4993
Nominal
Resistance
10-0805(2012) 1/8W
J-
±5%
G-
±2%
F-
±1%
TN-Lead Free
& Paper Tape
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
Chip Resistors(for 0805)
4. Dimensions:
Document No.
Revise Date
page number
TRH-100S014A
2011/03/29
2/9
UNIT: mm
Type
RH10
L
2.00±0.10
W
1.25±0.10
C
0.35±0.20
d
0.40±0.20
t
0.50±0.10
5.Ratings & Characteristics :
Rating
Characteristics
Voltage
Power Ratings (W)
Resistance Value ()
T.C.R (ppm/ C)
Operation Temperature Range ( C)
Resistance Tolerance (%)
Maximum Working Voltage (V)
Maximum Overload Voltage (V)
Refer 5.2
o
o
Feature
RH10
1/8W
10kΩ~10MΩ
±
200
Measurement Method
JIS Code 3A / JIS Code 3D
Refer to JIS C 5201 4.5
Refer to JIS C 5201 4.8
-55 ~ +125
±
1,
±
2,
±
5
JIS C 5201 4.2.5
400
800
Note :
Except for the above standardized products, we also provide the customized products.
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage
Chip Resistors(for 0805)
Document No.
Revise Date
page number
TRH-100S014A
2011/03/29
3/9
Derating Curve :
For resistors operated at ambient temperature over 70℃ , power rating shall be derated in
accordance with figure 1.
P max.
100
Power ratio ( % )
50
0
-55
50
70
100
125
Ambient
Figure 1
Temp. (
C
)
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 RH10FTN 3003 the rated voltage ?
RH10FTN3003
P=1/8W
; R:3003=300KΩ=300,000Ω
E=√
1/8(W)*300000 (Ω)
= 193.65 V
Remark : However , it shall not exceed the maximum rated voltage .
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage
Chip Resistors(for 0805)
6. Reliability Tests:
Test Items
Reference
standard
Condition of Test
Document No.
Revise Date
page number
TRH-100S014A
2011/03/29
4/9
R
R
Test Limits
Visual examination
Checked by visual examination .
The marking shall be legible ,
as checked by visual examination
Temperature Coefficient of
Resistance
Dielectric
Withstanding
Voltage
( Voltage Proof )
IEC60115-1-4.8
JIS-C5201-4.8
-55 ~ +125
℃
Refer to paragraph 5
IEC60115-1-4.7
JIS-C5201-4.7
500Va. c., voltage , 1 min .
No abnormalities such as
flashover , burning dielectric
breakdown shall appear .
Insulation Resistance
IEC60115-1-4.6
JIS-C5201-4.6
100V voltage , 1 min .
≧1G
Solderability
IEC60115-1-4.17
JIS-C5201-4.17
245
±5℃
solder, 2
±0.5
sec dwell.
Solder : Sn96.5/Ag3/Cu0.5
At least 95% of surface area
of electrode shall be covered with
new solder.
Short Time Overload
IEC60115-1-4.13
JIS-C5201-4.13
2.5 × rated voltage, 5s
±1%+0.05
Ω
Resistance to Soldering Heat
IEC60115-1-4.18
JIS-C5201-4.18
270
±5℃
solder , 10
±1
sec dwell .
±1%+0.05
Ω
Rapid Change of Temperature
IEC60115-1-4.19
JIS-C5201-4.19
-55℃ (30 min. ) / +125
℃(30
min. ) 5 cycles
±1%+0.05
Ω
Load Life
IEC60115-1-4.25.1
JIS-C5201-4.25.1
1000 hours at rated power , 70℃ , 1.5hours
“ON “, 0.5hour “OFF”
±5%+0.1
Ω
Load Life with Humidity
IEC60115-1-4.24
JIS-C5201-4.24
1000 hours at rated voltage , 40±2℃,
90~95% RH 1.5hours “ON “, 0.5hour “OFF”
±5%+0.1
Ω
TA-I TECHNOLOGY CO., LTD
Thick Film High Voltage
Chip Resistors(for 0805)
7. Marking
7.1
±5%(E24)
Document No.
Revise Date
page number
TRH-100S014A
2011/03/29
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 =10000000Ω=10MΩ
6
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 = 499000Ω= 499kΩ
3
8. Taping & Reel
8.1 Taping Dimensions
8.1.1 4 mm pitch paper
UNIT: mm
Packing
Type
A
1.6±0.15
B
2.4±0.2
W
8.0±0.2
F
3.5±0.05
E
1.75±0.1
P
1
4.0±0.1
P
2
2.0±0.05
P
0
4.0±0.1
D
0
+0.1
ψ1.5
-0
T
0.84±0.1
Paper Tape RH10
Paper Tape
Type series
RH
4 mm pitch
178mm/R
10
5000
TA-I TECHNOLOGY CO., LTD
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