Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 1/8
TA-I TECHNOLOGY CO., LTD
Ceramic Substrate
1. Scope :
This specification applies for thick film high voltage chip resistors made by TA-I.
2.Construction:
3. Type Designation:
RH 12 F T 4993
Product Code Size Tolerance Packaging Nominal
RH : High voltage Power Rating Resistance
Over Coat
Ni Plating
Conductor
Sn Plating
Resistive Element
e.g.,
4993=499k
Ω
,
1%
106=1M
Ω
2% ,5 %
1206 :
T-Paper Tape
TN-Lead Free &
Paper Tape
2010 :
EN-Lead Free &
Emboss Tape
E-Emboss Tape
1206 :
J-
±
5%
G-
±
2%
F-
±
1%
2010 :
J-
±
5%
12-1206 1/4W
20-2010 1/2W
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 2/8
TA-I TECHNOLOGY CO., LTD
4. Dimensions:
UNIT: mm
STYLE L W C d t
RH12 3.10 ±0.20 1.55 ±0.10 0.40 ±0.25 0.40 ±0.20 0.55 ±0.10
RH20 5.00 ±0.20 2.50 ±0.20 0.40 ±0.25 0.50 ±0.25 0.55 ±0.10
5.Ratings & Characteristics :
Feature
Characteristics
RH12
RH20
Measurement Method
Power Ratings (W) 1/4W 1/2W JIS Code 3A / JIS Code 3D
Resistance Value (Ω) 47Ω ~ 22MΩ Refer to JIS C 5202 5.1
T.C.R (ppm/oC) ±200 Refer to JIS C 5202 5.2
Operation Temperature Range (oC) -55 ~ +125
Resistance Tolerance (%) ±1, ±2, ±5 JIS C 5201 4.2.5
Maximum Working Voltage (V) 400 1500
Maximum Overload Voltage (V) 800 3000 Remark RH20 : DC 3000V , AC 2122V
Note : Except for the above standardized products, we also provide the customized products.
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 3/8
TA-I TECHNOLOGY CO., LTD
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
70 100 125
Ambient
Temp. (
°
C )
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)
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 4/8
TA-I TECHNOLOGY CO., LTD
6. Reliability Tests:(As specified in JIS C 5202)
Test Items Reference
standard Condition of Test Test Limits
Visual examination Checked by visual examination . The marking shall be legible ,
as 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 .
Insulation Resistance JIS-C5202-5.6 100V voltage , 1 min . ≧1GΩ
Solderability JIS-C5202-6.11 235 ±5℃ solder, 2 ±0.5 sec dwell. At least 95% of surface area
of electrode shall be covered
with new solder.
Short Time Overload JIS-C5202-5.5
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
±1%+0.05Ω
Resistance to Soldering Heat JIS-C5202-6.10 270 ±5℃ solder , 10 ±1 sec dwell . ±1%+0.05Ω
Rapid Change of Temperature JIS-C5202-7.4 -55℃ (30 min. ) / +125 ℃(30 min. ) 5 cycles ±1%+0.05Ω
Load Life JIS-C5202-7.10 1000 hours at rated power , 70℃ , 1.5hours
“ON “, 0.5hour “OFF” ±5%+0.1Ω
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 =10×106=10000000Ω=10MΩ
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 5/8
TA-I TECHNOLOGY CO., LTD
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 =499×103 =499000Ω=499kΩ
8. Taping & Reel
8.1 Taping Dimensions
8.1.1 4 mm pitch paper
Packing Type A B W F E P1 P2 P0 D0 T
Paper
Tape
RH12 2.0±0.15 3.6±0.2 8.0±0.2 3.5±0.05 1.75±0.1 4.0±0.1 2.0±0.05 4.0±0.1
+0.1
ψ1.5
-0
0.84±0.1
UNIT: mm
8.1.2 4 mm pitch Emboss
Packing Type A B W F E P1 P2 P0 D0 T
Emboss
RH20
2.8 ±0.2
5.3 ±0.2
12.0 ±0.2 5.5 ±0.05 1.75 ±0.1 4.0 ±0.1 2.0 ±0.05 4.0 ±0.05 +0.1
ψ1.5
-0 0.85 ±0.15
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 6/8
TA-I TECHNOLOGY CO., LTD
Paper Tape
Emboss Plastic Tape
4 mm pitch
Type series 180mm/R
RH 12 5000
RH 20 4000
8.2 Reel Specifications
UNIT: mm
Type ψA ψB ψC W T
RH12 9.0 ±1.0 11.4 ±2.0
RH20
180 +0
-3 60 min 13.0 ±1.0 13.0 ±1.0 15.4 ±2.0
8.3. Storage Conditions:
The resistors with appropriate package would have a preservative duration of 1 year.
Temperature: 5℃~35℃,Humidity:40%~75%
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 7/8
TA-I TECHNOLOGY CO., LTD
8.4. Peel –off force :
Peel –off force of paper and blister tape is in accordance with “JIS ”
that is , 0.1 to 0.7 N at a peel-off speed of 300 mm / minute.
pull
top cover tape 300 mm/min
10 ~ 15° standard: 0.1 ~ 0.7 N
carrier tape
9. Label
Date Code Resistance Tolerance TYPE
LOT NO:
Manufacture Label Package
Lead-Free
High Voltage
10. Recommended land patterns
Dimension ( mm )
Land pattern
Type Size a b c
RH 12 (1206 ) 2.20 4.00 1.40
RH 20 (2010 ) 3.50 6.30 2.30
QTY: 5000 PCS
4993 HFTN
1218012- 0121 1206
Document No TRH-XX0S001A
Issued date 2003/09/30
Thick Film High Voltage Chip
Resistors (Standard )
Page 8/8
TA-I TECHNOLOGY CO., LTD
11.ECN
Engineering Change Notice: The customer will be informed with ECN if there is significant
modification on the characteristics and materials described in Approval Sheet.
12. Manufacturing Country & City:
TA-I TECHNOLOGY CO., LTD. ( Taiwan– Taoyuan )
Tel: 886-3-3246169 Fax : 886-3-3246167
Associated companies :
(1) FORTUNE TASK RESISTOR FACTORY ( China - Kwangtung )
Tel : 86-769-3394790 Fax : 86-769-3394794
(2) TA-I TECHNOLOGY ( SU ZHOU ) CO., LTD. ( China – Jiang-Su )
Tel :86- 512-3457879 Fax : 86-512-3457869
(3) TAI OHM ELECTRONICS ( M ) SDN. BHD. ( Malaysia – Pulaupinang )
Tel :604- 3900480 Fax : 604-3901481
(4) P.T.TAI ELECTRONICS Indonesia ( Indonesia – Jakarta )
Tel :002-62-21-44820254 Fax : 002-62-21-44820256
