Thick Film Chip Resistors Array
RTA series
F
EATURE
High reliability and stability
Efficiency, Space saving
Convex and concave terminals
2, 4 or 8 isolated elements available
P
ART
N
UMBERING
S
YSTEM
RTA
(1)
No
(1)
(2)
(3)
(4)
(5)
(6)
(7)
03
(2)
Item
4
(3)
D
(4)
101
(5)
J
(6)
Digit
RTA
03
4
D
101
J
TP
TP
(7)
Description
Chip Resistors Array
03: 0603
4: 4 circuits
D: Convex
101: 100Ω
J: ±5%
TP: 4mm Pitch Paper(Taping) 5000pcs
Reference
Thick Film Type
01: 0201, 02: 0402
2: 2 circuits. 8: 8 circuits
C: Concave
100: 10Ω, 4R7: 4.7Ω, 10R2: 10.2Ω
D: ±0.5%, F: ±1%, G: ±2%
TH: 2mm Pitch Paper(Taping) 10000pcs
Meritek Series
Size Code
Circuits Number
Terminal Type
Nominal Resistance
Tolerance
Packaging
S
PECIFICATIONS
Resistance Range (Ω)
Type
Rated
Power
at 70°C
Max.
Working
Voltage
Max.
Overload
Voltage
T.C.R
(ppm/°C)
D (±0.5%)
E-24, E-96
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
22≤R≤470K
-----
-----
-----
-----
-----
F (±1%)
E-24, E-96
-----
-----
-----
1≤R≤10
10≤R≤1M
10≤R≤1M
1≤R≤10
10≤R≤1M
1≤R≤10
10≤R≤1M
1≤R≤10M
1≤R≤1M
10≤R≤1M
1≤R≤1M
3≤R≤10
10≤R≤1M
G (±2%)
J (±5%)
E-24
3≤R≤10
10≤R≤1K
1K≤R≤1M
1≤R≤10
4
±200
1/16W
50V
100V
±200
±300
1/16W
25V
50V
±200
±400
1/16W
25V
50V
±200
1/16W
1/16W
1/16W
1/16W
50V
50V
25V
50V
100V
100V
50V
100V
±200
±200
±250
±200
±650
1/16W
25V
50V
±250
10≤R≤1M
-55°C ~ +155°C
10≤R≤1M
1≤R≤10M
1≤R≤10M
1≤R≤1M
1≤R≤10M
3≤R≤10
4
2
1
50
8
8
16
4
4
4
8
2
1
1
1
1
50
50
50
50
10≤R≤1M
1≤R≤10
8
4
1
50
10≤R≤1M
1≤R≤10M
1≤R≤10
8
4
1
50
4
2
1
50
2
1
50
4
2
0.5
50
Numbers
of
Terminals
Numbers
of
Resistors
JUMPER
(0Ω)
Rated
Current
(A)
JUMPER
(0Ω)
Resistance
Value
(mΩMax.)
±500
RTA01-2D
(0201)
1/32W
12.5V
25V
±300
±200
RTA02-2D
(0402)
RTA03-2D
(0603)
RTA02-4D
(0420)
RTA02-4C
(0420)
RTA03-4D
(0603)
RTA03-4C
(0603)
RTA02-8D
(0402)
RTA03-2C
(0603)
RTA02-2C
(0603)
±300
1/16W
25V
50V
Operating Temperature Range
Rev. 7a
Thick Film Chip Resistors Array
RTA series
D
IMENSION
Item
RTA01-2D
(0201)
RTA02-2D
(0402)
RTA03-2D
(0603)
RTA02-4D
(0420)
RTA02-4C
(0420)
RTA03-4D
(0603)
RTA03-4C
(0603)
RTA02-8D
(0402)
RTA03-2C
(0603)
RTA02-2C
(0603)
L
0.08±0.10
1.00±0.10
1.60±0.15
2.00±0.10
2.00±0.10
3.20±0.20
3.20±0.15
4.00±0.20
1.60±0.15
1.00±0.10
W
0.60±0.10
1.00±0.10
1.60±0.15
1.00±0.10
1.00±0.10
1.60±0.15
1.60±0.15
1.60±0.10
1.60±0.15
1.00±0.10
H
0.30±0.05
0.30±0.05
0.45±0.10
0.40±0.10
0.40±0.10
0.50±0.10
0.55±0.10
0.40±0.10
0.55±0.10
0.30±0.10
L1
0.15±0.10
0.15±0.10
0.30±0.15
0.20±0.10
0.15±0.10
0.30±0.15
0.35±0.15
0.30±0.15
0.30±0.15
0.18±0.10
L2
0.15±0.05
0.25±0.10
0.30±0.15
0.25±0.10
0.25±0.10
0.30±0.15
0.45±0.15
0.30±0.10
0.40±0.15
0.25±0.10
P
0.05
0.67
0.80
0.50
0.50
0.80
0.80
0.5
0.80
0.50
Q
0.35±0.10
0.33±0.10
0.60±0.10
0.30±0.10
0.30±0.10
0.50±0.10
0.50±0.10
0.25±0.15
0.50±0.10
0.30±0.10
RTA03-2D
RTA03-2C
Circuits
R1=R2
RTA02-4C / RTA03-4C
RTA02-4D / RTA03-4D
Circuits
R1=R2=R3=R4
RTA02-8D
Circuits
R1=R2=R3=R4=R5=R6=R7=R8
RTA01-2D / RTA02-2D
RTA02-2C
Circuits
R1=R2
Rev. 7a
Thick Film Chip Resistors Array
RTA series
S
TRUCTURE
G
RAPH
D (Convex Type)
C (Concave Type)
1
2
3
4
5
Ceramic substrate
Bottom inner electrode
Top inner electrode
Resistive layer
1st Protective coating
6
7
8
9
10
2nd Protective coating
Marking
Terminal inner electrode
Ni plating
Sn plating
V
OLTAGE
R
ATING
O
R
C
URRENT
R
ATING
Item
Rated Voltage
At Resistance Range:
≧1Ω
Specification
The resistor shall have a DC continuous working voltage or a rms. AC continuous working
voltage at commercial-line frequency and wave form corresponding to the power rating, as
determined from the following:
E= Rated voltage (V)
P= power rating (W)
= √
R= Nominal resistance(Ω)
The resistor shall have a DC continuous working current or a rms. AC continuous working
current at commercial-line frequency and wave form corresponding to the power rating, as
determined from the following:
Rated Current
At Resistance Range: (0Ω)
= √/
I= Rated current (A)
P= Power rating (W)
R= Nominal resistance(Ω)
P
OWER
D
ERATING
C
URVE
Notes:
Operating Temperature Range: -55~+155°C
For resistors operated in ambient temperatures above 70°C,
power rating shall be derated in accordance with figure below.
Rev. 7a
Thick Film Chip Resistors Array
RTA series
R
ELIABILITY
Item
Temperature
Coefficient of
Resistance (TCR)
TCR（ppm/℃）＝
(R2−R1)
R1(T2−T1)
Conditions
X 10
6
Specifications
General Electrical Specifications
R1: Resistance at room temperature
R2: Resistance at -55°C or +125°C
T1: Room temperature
T2: Temperature -55°C or +125°C
Refer to JIS-C5201-1 4.8
Applied 2.5 times rated voltage for 5 seconds and release the load
for about 30 minutes, then measure its resistance variance rate.
(Rated voltage refer to item 3. general specifications)
Refer to JIS-C5201-1 4.13
0.5%~1%:±(1.0%+0.05Ω)
2%~5% :±(2.0%+0.10Ω)
No evidence of mechanical damage.
No short or burned on the appearance.
Short Time Overload
Insulation Resistance
Put the resistor in the fixture, add 100 VDC in +, - terminal for 60
IR≥10
9
Ω
sec then measured the insulation resistance between electrodes
and insulating enclosure or between electrodes and base material.
Refer to JIS-C5201-1 4.6
Dielectric Withstand
Voltage
Intermittent
Overload
Put the resistor in the fixture, add 300 VAC in +,- terminal for 60 sec. No short or burned on the appearance.
Refer to JIS-C5201-1 4.7
Put the tested resistor in chamber under temperature 25±2℃ and
load 2.5 times rated DC voltage for 1 sec on , 25 sec off ,10000
+4000 test cycles, then it be left at no-load for 1 hour , then
measure its resistance variance rate.
Refer to JIS-C5201-1 4.13
Refer to JIS-C5201-1 4.12
±(5.0%+0.10Ω)
No evidence of mechanical damage.
No short or burned on the appearance.
Noise Level
Resistance
R＜100Ω
100Ω≦R＜1KΩ
1KΩ≦R＜10KΩ
10KΩ≦R＜100KΩ
100KΩ≦R＜1MΩ
1MΩ≦R
Noise
≦-10db
(0.32 µV/V)
≦0db(0.32
µV/V)
≦10db(0.32
µV/V)
≦15db(0.32
µV/V)
≦20db(0.32
µV/V)
≦30db(0.32
µV/V)
Resistance to
Solvent
The tested resistor be immersed into isopropyl alcohol of 20~25℃
for 5 minutes, then the resistor is left in the room for 48 hrs , then
measure its resistance variance rate.
Refer to JIS-C5201-1 4.29
01-2D:±(1.0%+0.05Ω)
Other:±(0.5%+0.05Ω)
No evidence of mechanical damage.
No G2 over coating and Sn layer by leaching.
Solderability
Solder coverage over 95%
Preconditioning:
Put the tested resistor in the apparatus of PCT, at a temperature of
105℃, humidity of 100% RH, and pressure of 1.22×105 Pa for a
duration of 4 hours. Then after left the tested resistor in room
temperature for 2 hours or more.
Test method:
The resistor be immersed into solder pot in temperature 235±5℃
for 2 sec, then the resistor is left as placed under microscope to
observed its solder area.
Refer to JIS-C5201-1 4.17
Rev. 7a
Thick Film Chip Resistors Array
RTA series
R
ELIABILITY
(C
ONTINUED
)
Item
Resistance to
Soldering Heat
Conditions
Test method 1 (solder pot test):
The tested resistor is immersed into molten solder of 260+5/-0℃
for 10 seconds. Then the resistor is left in the room for 1 hour.
Test method 2 (solder pot test):
The tested resistor is immersed into molten solder of 260+5/-0℃
for 30 seconds. Then the resistor is left as placed under microscope
to observe its solder area.
Refer to JIS-C5201-1 4.18
Specifications
Test item 1:
(1). Vaviance rate on resistance
△R%=±(1.0%+0.05Ω)
(2).No evidence of electrode damage.
No side conductive peeling off.
Test item 2:
(1).Solder coverage over 95%.
(2).The underlying material (such as ceramic)
shall not be visible at the crest corner area of
the electrode.
Test item 1:
(1).Vaviance rate on resistance
△R%=±(1.0%+0.05Ω)
(2).No evidence of mechanical damage.
No terminal peeling off.
Test item 2:
(1).Vaviance rate on resistance
△R%=±(1.0%+0.05Ω)
(2).No evidence of mechanical damage.
No terminal peeling
Joint Strength of
Solder
Preconditioning:
Put the tested resistor in the apparatus of PCT, at a temperature of
105℃, humidity of 100% RH, and pressure of 1.22×10
5
Pa for a
duration of 4 hours. Then after left the tested resistor in room
temperature for 2 hours or more.
Test method:
Test item 1 (Adhesion):
A static load using a R0.5 scratch tool shall be applied on the core
of the component and in the direction of the arrow and held for 10
seconds and under load measure its resistance variance rate.
1.02-2C=10N load
2.Other=20N load
3.01-2D=5Nload
Refer to JIS-C5201-1 4.32
Test item 2 (Bending Strength):
Solder tested resistor on the PC board, add force in the middle
down, and under load measure its resistance variance rate
D=(1)01-2D=3mm (2)Other=5mm
Refer to JIS-C5201-1 4.33
Resistance to
Dry Heat
Put tested resistors in chamber under temperature 155±5°C for
1,000±4 hours. Then leaving in room temperature for 60 minutes,
and measure its resistance variance rate.
Refer to JIS-C5201-1 4.25
Put the tested resistor in the thermal shock chamber under the
temperature cycle which shown in the following table shall be
repeated 300 times consecutively. Then leaving the tested resistor
in the room temperature for 1 hrs, and measure its resistance
variance rate.
Refer to MIL-STD 202 Method 107
Lowest Temperature
Highest Temperature
Temperature-retaining time
-55°C±5°C
125°C±5°C
15 minutes each
0.5%~1%:
±(1.0%+0.05Ω)
2%~5%:
±(2.0%+0.10Ω)
No evidence of mechanical damage.
No short or burned on the appearance.
±(1.0%+0.05Ω)
No evidence of mechanical damage.
No short or burned on the appearance.
Thermal Shock
Rev. 7a
