Anti-Sulfurated Chip Resistor Array
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
&
1
9
2
#
3
6
4
5
6
7
8
9
+
10
9
11
Thick Film
Chip Resistor
Networks
Size, Construction
(inch size)
Product Code
0402 Array
0603 Array
U2
U3
4
8
H
4 Terminal
8 Terminal
16 Terminal
No. of Terminal
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
Resistance Value
Example : 222 2.2 k?
Resistance
Tolerance
J
0
±5 %
Jumper
Anti-Sulfuarted
Convex Terminal
Packaging Methods
Code
X
V
Packaging Type
Punched Carrier Taping
2 mm pitch, 10,000 pcs.
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
EXBU24,
U28
EXBU2H,
U34, U38
Protective coating
Electrode
(Inner)
Electrode
(Between)
Electrode
(Outer)
Alumina substrate
Thick film
resistive element
43
12
8
1
7
2
6
3
5
4
16
1
15
2
14
3
13
4
12
5
11
6
10
7
9
8
■ Construction ■ Schematics
● Isolated type
EXBU24, U34 EXBU28, U38
2 resistors 4 resistors
EXBU2H
8 resistors
■ Features
● High resistance to sulfurization achieved
by adopting an Ag-Pb-based inner electrode
● High density
2 resistors in 1.0 mm × 1.0 mm size (EXBU24)
4 resistors in 2.0 mm × 1.0 mm size (EXBU28)
8 resistors in 3.8 mm × 1.6 mm size (EXBU2H)
2 resistors in 1.6 mm × 1.6 mm size (EXBU34)
4 resistors in 3.2 mm × 1.6 mm size (EXBU38)
● Improvement of placement effi ciency
Placement effi ciency of Chip Resistor Array is two, four or eight times of the fl at type chip resistor
● Reference Standard…IEC 60115-9, JIS C 5201-9, EIAJ RC-2129
● RoHS compliant
Type: EXBU2 : 0402 Array
EXBU3 : 0603 Array
■ Explanation of Part Numbers
Anti-Sulfurated Chip Resistor Array
■ Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions
Please see Data Files
Aug. 201201
34
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Anti-Sulfurated Chip Resistor Array
–60 –40 –20 0 20 40 60 80 100 120 140 160 180
0
20
40
60
80
100
70 °C–55 °C
125 °C
Ambient Temperature (°C)
Rated Load (%)
A1
PTP
L
T
L
BB
G
BB
GG
W
W
G
A1 A2
&9#66 &9#66
PT
L
G
W
G
BB
A1 A2 &9#6)
(1) Rated Continuous Working Voltage (RCWV) shall be de ter mined from RCWV=√Power Rating × Resistance Value, or Limiting Element Voltage listed
above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5 × Power Rating or max. Overload Voltage list ed above whichever less.
Power Derating Curve
For resistors operated in ambient temperature above
70 °C, power rating shall be derated in accordance
with the fi gure on the right.
■ Ratings
Item Specifi cations
Resistance Range 10 Ω to 1 MΩ
E24 series
Resistance Tolerance J: ±5 %
Number of
Terminals
U24, U34
4 terminal
U28, U38
8 terminal
U2H
16 element
Number of
Resistors
U24, U34
2 element
U28, U38
4 element
U2H
8 element
Power Rating
at 70 °C
U24, U28, U34, U38
0.063 W/element
U2H
0.063 W/element
(0.25 W/package)
Item Specifi cations
Limiting Element
Voltage(1)
U2H
25 V
U24, U28, U34, U38
50 V
Max. Overload
Voltage (2)
U2H
50 V
U24, U28, U34, U38
100 V
T.C.R. ±200×10-6/°C
Category Temperature Range
–55 °C to 125 °C
Rated
Current
U24, U28, U2H, U34, U38
1 A
Max. Overload
Current
U24, U28, U2H, U34, U38
2 A
Jumper
Array
Type
(inch size)
Dimensions (mm)
Ma
ss (Weight)
[g/1000 pcs.]
L W T A1 A2 B P G
EXBU24 (0402×2) 1.00±0.10 1.00±0.10 0.35±0.10 0.40±0.10 — 0.18±0.10 (0.65) 0.25±0.10 1.2
EXBU28 (0402×4) 2.00±0.10 1.00±0.10 0.35±0.10 0.45±0.10 0.35±0.10 0.20±0.10 (0.50) 0.25±0.10 2.0
EXBU2H (0402×8) 3.80±0.10 1.60±0.10 0.45±0.10 0.35±0.10 0.35±0.10 0.30±0.10 (0.50) 0.30±0.10 9.0
EXBU34 (0603×2) 1.60±0.20 1.60±0.15 0.50±0.10 0.65±0.15 — 0.30±0.20 (0.80) 0.30±0.20 3.5
EXBU38 (0603×4) 3.20±0.20 1.60±0.15 0.50±0.10 0.65±0.15 0.45±0.15 0.30±0.20 (0.80) 0.35±0.20 7.0
( ) Reference
■ Dimensions in mm (not to scale)
Aug. 201201
35