Anti-Sulfurated Chip Resistors Array
EXB type
EXB 14V, 18V, 24V, 28V, N8V, 2HV
EXB 34V, V4V, 38V, V8V, S8V
series
Features
● High resistance to sulfurization achieved by adopting an Ag-Pd-based inner electrode
● High density
2 resistors in 0.8 mm × 0.6 mm size / 0302 inch size : EXBU14
4 resistors in 1.4 mm × 0.6 mm size / 0502 inch size : EXBU18
2 resistors in 1.0 mm × 1.0 mm size / 0404 inch size : EXBU24
4 resistors in 2.0 mm × 1.0 mm size / 0804 inch size : EXBU28
8 resistors in 3.8 mm × 1.6 mm size / 1506 inch size : EXBU2H
2 resistors in 1.6 mm × 1.6 mm size / 0606 inch size : EXBU34
4 resistors in 3.2 mm × 1.6 mm size / 1206 inch size : EXBU38
● Improvement of placement efficiency
Placement efficiency of chip resistor array is two, four or eight times of the flat type chip resistor
● Reference standard
: IEC 60115-9, JIS C 5201-9, EIAJ RC-2129
● AEC-Q200 compliant (EXBU2，EXBU3)
● RoHS compliant
■ As for packaging methods, land pattern, soldering conditions and safety precautions,
please see data files.
series
Explanation of part numbers
1T ERJS02 ½ ERJS1Tシリーズ
1
2
3
4
5
6
7
8
9
10
11
E
X
B
Code
U14
U18
U24
U28
U2H
U34
U38
U
inch size
0201×2
0201×4
0402×2
0402×4
0602×8
0603×2
0603×4
2
8
4
7
2
J
X
Packaging methods
Code
Packaging
Part No.
EXBU14
Product code
Thick film chip
resistor
networks
Construction
Convex terminal
Flat terminal
Convex terminal
Convex terminal
Convex terminal
Convex terminal
Convex terminal
Resistance value
The first two digits are
significant figures of
resistance value and
the third one denotes
the number of zeros
following. Jumper is
expressed by R00.
(Ex.) 222 : 2.2 kΩ
Resistance tolerance
Code Tolerance
J
0
±5 ％
Jumper
Ｘ
Punched carrier taping
EXBU18
2 mm pitch,10,000 pcs
EXBU24
EXBU28
V
Punched carrier taping
4 mm pitch, 5,000 pcs
EXBU2H
EXBU34
EXBU38
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
1-Mar-20
Anti-Sulfurated Chip Resistors Array
Ratings
【For Resistor】
Part No.
(inch size)
EXBU14
(0201×2)
EXBU18
(0201×4)
EXBU24
(0402×2)
EXBU28
(0402×4)
EXBU2H
(0602×8)
EXBU34
(0603×2)
EXBU38
(0603×4)
Power rating
(70 ℃)
(W/element)
Limiting
element
Maximum
overload
voltage
*2
(V)
Resistance
tolerance
(%)
voltage
*1
(V)
Resistance
range
(Ω)
10 to 1 M
10 to 1 M
1 to 1 M
1 to 1 M
10 to 1 M
1 to 1 M
1 to 1 M
(E24)
(E24)
(E24)
(E24)
(E24)
(E24)
(E24)
(×10
-6
/K)
T.C.R.
Category
temperature
range
(℃)
AEC-
Q200
Grade
-
-
0.031
0.031
(0.1 W /
0.063
0.063
0.063
(0.25 W /
0.063
0.063
12.5
12.5
50
50
25
50
50
25
25
100
100
50
100
100
±5
±5
±5
±5
±5
±5
±5
–55 to +125
–55 to +125
R<10 Ω :
–200 to +600
10 Ω to 1 MΩ :
±200
–55 to +125 Grade 1
–55 to +125 Grade 1
–55 to +125 Grade 1
–55 to +125 Grade 1
–55 to +125 Grade 1
*1: Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Value,
or Limiting Element Voltage listed above, whichever less.
*2: Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (refer to performance) × RCWV
or Maximum Overload Voltage listed above, whichever less.
【For Jumper】
Part No.
EXBU24
EXBU28
EXBU2H 100 mΩ or less
EXBU34
Rated load (%)
EXBU38
*1: Overload test current
1A
2A
Resistance
Maximum overload
Rated current
current
*1
Power derating curve
For resistors operated in ambient temperatures
above 70℃, power rating shall be derated in
accordance with the figure below.
100
80
60
40
20
0
-60 -40 -20
0
20
40
60
125 ℃
80 100 120 140 160 180
-55 ℃
70 ℃
Ambient temperature (℃)
Construction
Schematics
●Isolated type
U14, U24
U34V
2 resistors
4
Alumina substrate
3
Protective
coating
U18, U28,
U38V
4 resistors
8
7 6
5
U2H
8 resistors
16 15 14 13 12 11 10 9
Thick film
resistive element
Electrode
(Inner)
Electrode
(Between)
Electrode (Outer)
1
2
1
2 3
4
1 2
3 4
5
6 7
8
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
1-Mar-20
Anti-Sulfurated Chip Resistors Array
Dimensions in mm (not to scale)
A
1
EXBU14, U24, U34
B
G
A
1
A
2
EXBU18
B
G
T
B
G
G
W
B
G
W
P
L
T
P
L
A
1
A
2
EXBU28, U38
B
G
A
1
A
2
EXBU2H
B
W
B
G
B
P
L
T
P
L
T
Unit : mm
Part No.
(inch size)
EXBU14
(0201X2)
EXBU18
(0201×4)
EXBU24
(0402×2)
EXBU28
(0402×4)
EXBU2H
(0602×8)
EXBU34
(0603×2)
EXBU38
(0603×4)
Dimensions
L
0.80±0.10
1.40±0.10
1.00±0.10
2.00±0.10
3.80±0.10
1.60±0.20
3.20±0.20
Mass (Weight)
W
0.60±0.10
0.60±0.10
1.00±0.10
1.00±0.10
1.60±0.10
1.60±0.15
1.60±0.15
T
0.35±0.10
0.35±0.10
0.35±0.10
0.35±0.10
0.45±0.10
0.50±0.10
0.50±0.10
A
1
0.35±0.10
0.20±0.10
0.40±0.10
A
2
—
0.20±0.10
—
B
0.15±0.10
0.10±0.10
0.18±0.10
0.20±0.10
0.30±0.10
0.30±0.20
0.30±0.20
P
(0.50)
(0.40)
(0.65)
(0.50)
(0.50)
(0.80)
(0.80)
G
0.15±0.10
0.20±0.10
0.25±0.10
0.25±0.10
0.30±0.10
0.30±0.20
0.35±0.20
(g/1000 pcs)
0.45±0.10 0.35±0.10
0.35±0.10 0.35±0.10
0.65±0.15
0.65±0.15
—
0.45±0.15
( ) Reference
Performance
Test item
Resistance
T. C. R.
Overload
Resistance to soldering heat
Rapid change of temperature
High temperature exposure
Damp heat, Steady state
Load life in humidity
Performance
requirements ⊿R
Test conditions
20 ℃
+25 ℃ / +125 ℃
Rated voltage× 2.5，5 s
Jumper type : Max. overload current, 5 s
270 ℃, 10 s
–55 ℃ (30 min.) / +125 ℃ (30 min.)，100 cycles
+125 ℃, 1000 h
60 ℃, 90 % to 95 %RH, 1000 h
60 ℃, 90 % to 95 %RH, Rated voltage
(Jumper type : Rated current),
1.5 h ON / 0.5 h OFF cycle, 1000 h
70℃，Rated voltage (Jumper type : Rated current),
1.5 h ON / 0.5 h OFF cycle, 1000 h
Within specified
tolerance
Within Specified
T. C. R.
±2 %
±1 %
±1 %
±1 %
±1 %
±3 %
Endurance at 70℃
±3 %
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
1-Mar-20
G
0.5
1.0
1.2
2.0
9.0
3.5
7.0
W
Fixed Resistors
Safety Precautions (Common precautions for Fixed Resistors)
• When using our products, no matter what sort of equipment they might be used for, be sure to make a written
agreement on the specifications with us in advance. The design and specifications in this catalog are subject to
change without prior notice.
• Do not use the products beyond the specifications described in this catalog.
• This catalog explains the quality and performance of the products as individual components. Before use, check
and evaluate their operations when installed in your products under the actual conditions for use.
• Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment
where a defect in these products may cause the loss of human life or other significant damage, such as
damage to vehicles (automobile, train, vessel), traffic lights, medical equipment, aerospace equipment,
electric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention
equipment.
½ Systems equipped with a protection circuit and a protection device.
½ Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single
fault.
½ Systems equipped with an arresting the spread of fire or preventing glitch.
• These products are designed and manufactured for general and standard use in general elec tron ic equipment.
(e.g. AV equipment, home electric appliances, office equipment, information and communication equipment)
For applications in which special quality and reliability are required, or if the failure or malfunction of the
products may directly jeopardize life or cause threat of personal injury (such as for aircraft and aerospace
equipment, traffic and transport equipment, combustion equipment, medical equipment, accident prevention
and anti-theft devices, and safety equipment), please be sure to consult with our sales representative in
advance and to exchange product specifications which conform to such applications.
• These products are not intended for use in the following special conditions. Before using the products, carefully
check the effects on their quality and performance, and determine whether or not they can be used.
1. In liquid, such as water, oil, chemicals, or organic solvent.
2. In direct sunlight, outdoors, or in dust.
3. In salty air or air with a high concentration of corrosive gas, such as Cl
2
，H
2
S，NH
3
，SO
2
，or NO
X
.
4. Electric Static Discharge (ESD) Environment.
These components are sensitive to static electricity and can be damaged under static shock (ESD).
Please take measures to avoid any of these environments.
Smaller components are more sensitive to ESD environment.
5. Electromagnetic and Radioactive Environment.
Avoid any environment where strong electromagnetic waves and radiation exist.
6. In an environment where these products cause dew condensation.
7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with
resin or other materials.
• These products generate Joule heat when energized. Carefully position these products so that their heat will
not affect the other components.
• Carefully position these products so that their temperatures will not exceed the category temperature range
due to the effects of neighboring heat-generating components. Do not mount or place heat-generating
components or inflammables, such as vinyl-coated wires, near these products.
• Note that non-cleaning solder, halogen-based highly active flux, or water-soluble flux may deteriorate the
performance or reliability of the products.
• Carefully select a flux cleaning agent for use after soldering. An unsuitable agent may deteriorate the
performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to
leave water residues. Otherwise, the insulation performance may be deteriorated.
• Do not apply flux to these products after soldering. The activity of flux may be a cause of failures in these
products.
• Refer to the recommended soldering conditions and set the soldering condition. High peak temperature or
long heating time may impair the performance or the reliability of these products.
• Recommended soldering condition is for the guideline for ensuring the basic characteristics of the products,
not for the stable soldering conditions. Conditions for proper soldering should be set up according to individual
conditions.
(1) Precautions for use
01-Oct-19
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