Document No
TRH-XX0S001A
2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
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Page
2/8
4. Dimensions:
UNIT: mm
STYLE
RH12
RH20
L
3.10
±0.20
5.00
±0.20
W
1.55
±0.10
2.50
±0.20
C
0.40
±0.25
0.40
±0.25
d
0.40
±0.20
0.50
±0.25
t
0.55
±0.10
0.55
±0.10
5.Ratings & Characteristics :
Characteristics
RH12
Power Ratings (W)
Resistance Value (Ω)
T.C.R (ppm/ C)
Operation Temperature Range ( C)
Resistance Tolerance (%)
Maximum Working Voltage (V)
Maximum Overload Voltage (V)
400
800
o
o
Feature
RH20
1/2W
Measurement Method
JIS Code 3A / JIS Code 3D
Refer to JIS C 5202 5.1
Refer to JIS C 5202 5.2
1/4W
47Ω ~ 22MΩ
±
200
-55 ~ +125
±1, ±2, ±5
1500
3000
Remark RH20 : DC 3000V , AC 2122V
JIS C 5201 4.2.5
Note : Except for the above standardized products, we also provide the customized products.
TA-I TECHNOLOGY CO., LTD
Document No
TRH-XX0S001A
2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
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Page
3/8
5.1 Derating Curve :
For resistors operated at ambient temperature over 70℃ , power rating shall be derated in
accordance with figure 1.
100
P max.
Power ratio ( % )
50
0
-55
50
70
100
Ambient
Figure 1
125
Temp. (
°
C )
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)
TA-I TECHNOLOGY CO., LTD
Document No
TRH-XX0S001A
2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
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4/8
6. Reliability Tests:(
As specified in JIS C 5202
)
Test Items
Reference
standard
Condition of Test
Test Limits
The marking shall be legible ,
as checked by visual
examination
Visual examination
Checked by visual examination .
Temperature Coefficient of
Resistance
JIS-C5202-5.2
-55 ~ +125
℃
Refer to paragraph 5
Dielectric Withstanding Voltage
( Voltage Proof )
JIS-C5202-5.7
500Va. c., voltage , 1 min .
No abnormalities such as
flashover , burning dielectric
breakdown shall appear .
≧1G
Ω
Insulation Resistance
JIS-C5202-5.6
100V voltage , 1 min .
Solderability
JIS-C5202-6.11
235
±5℃
solder, 2
±0.5
sec dwell.
1206 :
2.5 × rated voltage, 5s
2010 :
2.0 X rated voltage, 2s
DC : 3000 V Max , AC (RMS) : 2122V Max
Test Substrate : pitch 10.16 mm
270
±5℃
solder , 10
±1
sec dwell .
At least 95% of surface area
of electrode shall be covered
with new solder.
Short Time Overload
JIS-C5202-5.5
±1%+0.05
Ω
Resistance to Soldering Heat
JIS-C5202-6.10
±1%+0.05
Ω
Rapid Change of Temperature
JIS-C5202-7.4
-55℃ (30 min. ) / +125
℃(30
min. ) 5 cycles
±1%+0.05
Ω
Load Life
JIS-C5202-7.10
1000 hours at rated power , 70℃ , 1.5hours
“ON “, 0.5hour “OFF”
±5%+0.1
Ω
Solubility resistance
JIS-C5202-6.9
Ultrasonic for 1 minute
Solvent : isopropyl alcohol
Marking shall be legible.
7. Marking
7.1
±5%
(E24)
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
TA-I TECHNOLOGY CO., LTD
Document No
TRH-XX0S001A
2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Issue d date
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5/8
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
Packing
Type
Paper
Tape
RH12
A
2.0±0.15
B
3.6±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
UNIT: mm
8.1.2
4
mm pitch Emboss
Packing
Emboss
Type
RH20
A
2.8
±0.2
B
5.3
±0.2
W
F
E
P
1
4.0
±0.1
P
2
P
0
D
0
+0.1
-0
T
0.85
±0.15
12.0
±0.2
5.5
±0.05
1.75
±0.1
2.0
±0.05
4.0
±0.05 ψ1.5
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