Thick Film High Voltage Lead-Free Chip
Resistors
(Standard )
Halogen-Free
4. Dimensions:
Document No.
Revise Date
page number
TRH-XX0S001I
2012/07/04
2/10
UNIT: mm
Type
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
Power Ratings (W)
Resistance Value ()
T.C.R (ppm/ C)
Operation Temperature Range ( C)
Resistance Tolerance (%)
Maximum Working Voltage (V)
Maximum Overload Voltage (V)
o
o
Rating
voltage
Feature
RH12
1/4W
RH20
1/2W
Measurement Method
JIS Code 3A / JIS Code 3D
Refer to JIS C 5201-1-4.5
Refer to JIS C 5201-1-4.8
47Ω ~ 22MΩ
±
200
Refer 5.2
-55 ~ +155
1, 2, 5
500
1000
5
1500
3000
Remark RH20 : DC 3000V , AC 2122V
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.
Revise Date
page number
TRH-XX0S001I
2012/07/04
3/10
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 RH12FTN 3003 the rated voltage ?
RH12FTN3003
P=1/4W
; R:3003=300KΩ=300,000Ω
= 273.86 V
E=√
1/4(W)*300000 (Ω)
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
Document No.
Revise Date
page number
TRH-XX0S001I
2012/07/04
4/10
6. Reliability Tests:
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
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 .
≧1G
Ω
At least 95% of surface area
of electrode shall be covered
with new solder.
Insulation Resistance
IEC60115-1-4.6
JIS-C5201-1-4.6
100V voltage , 1 min .
Solderability
IEC60115-1-4.17 245
±5℃
solder, 2
±0.5
sec dwell.
JIS-C5201-1-4.17 Solder : Sn96.5/Ag3/Cu0.5
1206 :
2.5 × rated voltage, 5s
IEC60115-1-4.13 2010 :
JIS-C5201-1-4.13
2.0 X rated voltage, 2s
DC : 3000 V Max , AC (RMS) : 2122V Max
Test Substrate : pitch 10.16 mm
IEC60115-1-4.18
270
±5℃
solder , 10
±1
sec dwell .
JIS-C5201-1-4.18
IEC60115-1-4.19
-55℃ (30 min. ) / +155
℃(30
min. ) 5 cycles
JIS-C5201-1-4.19
IEC60115-1-4.25.1 1000 hours at rated power , 70℃ , 1.5hours
JIS-C5201-1-4.25.1 “ON “, 0.5hour “OFF”
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”
Short Time Overload
±1%+0.05
Ω
Resistance to Soldering Heat
±1%+0.05
Ω
Rapid Change of Temperature
±1%+0.05
Ω
Load Life
±5%+0.1
Ω
Load Life with Humidity
±5%+0.1
Ω
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
Thick Film High Voltage Lead-Free Chip
Resistors
(Standard )
Halogen-Free
Document No.
Revise Date
page number
TRH-XX0S001I
2012/07/04
5/10
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
Paper Tape
Type
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
12.0
±0.2
F
5.5
±0.05
E
1.75
±0.1
P
1
4.0
±0.1
P
2
2.0
±0.05
P
0
D
0
+0.1
-0
T
0.85
±0.15
4.0
±0.05 ψ1.5
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