XR73B,XR73H,XR73Z
resistors
flat thick film resistors
(for embedded substrates)
EU
features
•
Interlayer embedding in the multilayer
substrate is applicable from the height
of 0.13 to 0.14mm
•
Cu via hole connection is applicable
by the Cu electrode
dimensions and construction
c
L
c
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
W
Cu
Plating
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
1H
(0201)
1E
(0402)
.024±.001 .012±.001 .009±.001 .009±.001 .005±.001
(0.6±0.03) (0.3±0.03) (0.23±0.03) (0.23±0.03) (0.13±0.02)
.039±.002 .020±.002 .011±.002 .011±.002 .006±.001
(1.0±0.05) (0.5±0.05) (0.28±0.05) (0.28±0.05) (0.14±0.03)
Ceramic
Substrate
ordering information
XR73H
Type
XR73B
XR73H
1E
Power
Rating
1H, 1E: 0.063W
U
Termination
Material
U: CU
TWL
Packaging
TWL: 2mm pitch plastic embossed
TWA: 1mm pitch plastic embossed
(1H only)
For further information on packaging,
please refer to Appendix A
1001
Nominal
Resistance
±1%: 3 significant
figures + 1 multiplier
“R” indicates decimal
on value <100Ω
±5%: 2 significant
figures + 1 multiplier
“R” indicates decimal
on value <10Ω
F
Resistance
Tolerance
F: ±1%
J: ±5%
XR73Z
Type
XR73Z
1E
Power
Rating
1H, 1E: 1A
U
Termination
Material
U: CU
TWL
Packaging
TWL: 2mm pitch plastic embossed
TWA: 1mm pitch plastic embossed
(1H only)
For further information on packaging,
please refer to Appendix A
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/15/16
78
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
XR73B,XR73H,XR73Z
flat thick film resistors
(for embedded substrates)
applications and ratings
XR73B, XR73H
Part
Designation
1H
1E
Power
Rating*
0.063W
0.063W
Rated
Ambient
Temp.
70°C
70°C
T.C.R.
(x10
-6
/K)
Max.
±200
±400
±100
±200
Resistance Range
XR73H
XR73B
F: ±1%
J: ±5%
E24, E96
E24
resistors
Absolute
Maximum
Working
Voltage
50V
50V
Absolute
Maximum
Overload
Voltage
100V
100V
Operating
Temp.
Range
-55°C to +155°C
-55°C to +155°C
10Ω~1MΩ
1.0Ω~9.1Ω**
10Ω~1MΩ
1.0Ω~9.76Ω
1.02MΩ~10MΩ
10Ω~10MΩ
1.0Ω~9.1Ω
––
1.0Ω~10MΩ
Rated voltage =
√Power
rating x resistance value or max. working voltage, whichever is lower
* The ratings will be for the surface mounted condition
XR73Z
Part
Designation
1H
1E
Resistance
Current
Rating*
1A
1A
Rated
Ambient
Temp.
70°C
70°C
Maximum
Overload
Current
2A
2A
Operating
Temp.
Range
-55°C to +155°C
-55°C to +155°C
** The nominal resistance value for XR73H1H (1Ω R 9.1Ω) is E24
50mΩ max.
50mΩ max.
* The ratings will be for the surface mounted condition
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40 -20
-55
One-Pulse Limiting Electric Power
XR73 1H-1E
One-Pulse Limiting Electric Power (W)
100
X
10
For resistors operated at an
ambient temperature of 70°C or
above, a power rating shall be
derated in accordance with the
derating curve.
0
20
40
60
80 100 120
140
70
Ambient Temperature
(°C)
160
155
1
1E
1H
0.1
0.001
0.01
0.1
1
10
100
1000
Pulse Duration
(ms)
The maximum applicable
voltage is equal to the max.
overload voltage.
Please ask us about the
resistance characteristic of
continuous applied pulse.
The pulse endurance values
are not assured values,so be
sure to check the products on
actual equipment when you
use them.
Performance Characteristics
XR73H, XR73B
Requirement
∆
R ±(%+0.05Ω)
Limit
Typical
Within specified
—
tolerance
Within specified
—
T.C.R.
±2%
±1%
±3%
±3%
±1%
±0.5%
±0.5%
±1.5%
±1%
±0.5%
XR73Z
Requirement
Limit
Typical
50mΩ max.
15mΩ max.
after the test
after the test
—
50mΩ max.
after the test
100mΩ max.
after the test
100mΩ max.
after the test
100mΩ max.
after the test
100mΩ max.
after the test
—
1E: R
1H: R
1E: R
1H: R
1E: R
1H: R
1E: R
1H: R
1E: R
1H: R
20mΩ
40mΩ
20mΩ
40mΩ
20mΩ
40mΩ
20mΩ
40mΩ
20mΩ
40mΩ
Parameter
Resistance
T.C.R.
Overload (Short time)
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
Test Method
25°C
+25°C/-55°C and +25°C/+125°C
Rated Voltage x 2.5 for 5 seconds
1H: Rated voltage (DC) x 2 for 5 seconds
-55°C (30 minutes), +125°C (30 minutes),
100 cycles
40°C ± 2°C, 90%~95%RH, 1000 hours;
1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
+155°C, 1000 hours
The performance will be for the surface mounted condition.
Additional environmental applications can also be found at www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/10/20
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
79