WSE
Vishay Dale
Power Metal Strip
®
Resistors (Extended Range)
Surface Mount
FEATURES
•
0805 size resistors with 0.25 W power rating
•
Smaller footprint than a 1206 resistor (uses 40 % less
board space)
•
Superior overload and pulse handling capability
•
SMD alternative for low power leaded wirewound resistors
•
Low TCR 15 ppm/°C
•
Low noise: < - 40 dB
•
Voltage Coefficient: < 0.00001 %/V (< 0.1 ppm/V)
•
Very low inductance: < 0.08 µH
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SIZE
POWER RATING
P
70 °C
W
0.25
LIMITING
ELEMENT
VOLTAGE
V
(P x
R)
1/2
TEMPERATURE
COEFFICIENT
ppm/K
15, 25
RESISTANCE RANGE
Ω
± 0.1 %, ± 0.25 %, ± 0.5 %, ± 1 %
10 - 10K
96
E-SERIES
WSE0805
0805
TECHNICAL SPECIFICATIONS
PARAMETER
Dielectric Withstanding Voltage
Insulation Resistance
Operating Temperature Range
Weight/1000 pieces
UNIT
V
AC
Ω
°C
g
WSE0805
200
> 10
9
- 65 to + 150
5.5
GLOBAL PART NUMBER INFORMATION
GLOBAL PART NUMBERING: WSE08051K500FXEA
W
GLOBAL
MODEL
WSE0805
S
E
0
8
0
5
1
K
5
0
0
F
X
E
A
RESISTANCE
VALUE
R
= Decimal
K
= Thousand
100R0
= 100
Ω
4K000
= 4 kΩ
TOLERANCE CODE
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
TCR CODE
X
= ± 15 ppm/°C
E
= ± 25 ppm/°C
PACKAGING CODE
EA
= Lead (Pb)-free, tape/reel
EK
= Lead (Pb)-free, bulk
TG
= Tin/Lead, tape/reel (RT1)
BA
= Tin/Lead, bulk (B43)
SPECIAL
(Dash Number)
(up to 2 digits)
from
1 - 99
as applicable
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36
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30109
Revision: 13-Oct-06
WSE
Power Metal Strip
®
Resistors (Extended Range)
Surface Mount
DIMENSIONS
L
D
Vishay Dale
RECOMMENDED LAND PATTERN
Z
W
G
X
Top Coating
T
MODEL
WSE0805
DIMENSIONS
in inches [millimeters]
D
0.015 ± 0.005
[0.38 ± 0.13]
L
0.080 ± 0.005
[2.30 ± 0.13]
W
0.050 ± 0.005
[1.27 ± 0.13]
T
0.025 max
[0.64 max]
G
(1)
0.028 ± 0.004
[0.70 ± 0.10]
X
(1)
0.050 ± 0.004
[1.27 ± 0.10]
Z
(1)
0.122 ± 0.004
[3.103 ± 0.10]
Note
(1)
Land pattern dimensions (G, X, Z) are per IPC-782A
Rated Power in
%
0.15
0.25
Temperature Rise in °C
60
50
40
30
20
10
0
0.00
120
100
80
60
40
20
0
- 55
0.05
0.10
0.20
- 25
0
25
50
75
70
100
125
150 175
Temperature Rise
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Low Temperature Operation
High Temperature Exposure
Moisture Resistance
Load Life
Resistance to Bonding Exposure
Power in Watts
Derating
Ambient Temperature in °C
CONDITIONS OF TEST
- 65 °C to + 150 °C, 100 cycles, 15 min at each extreme
5 x rated power for 5 s
- 65 °C, 0.25 W for 45 min
100 h at + 150 °C
MIL-STD-202, Method 106, 0 % power, 7b not required
1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”
260 °C for 10 s
TEST LIMITS
± 0.10 %
ΔR
± 0.10 %
ΔR
± 0.05 %
ΔR
± 0.10 %
ΔR
± 0.10 %
ΔR
± 0.05 %
ΔR
± 0.10 %
ΔR
PACKAGING
MODEL
WSE0805
Note
• Embossed Carrier Tape per EIA-481-1A
Document Number: 30109
Revision: 13-Oct-06
For technical questions, contact: ww2bresistors@vishay.com
www.vishay.com
37
REEL
TAPE WIDTH
8 mm/Punched Paper
DIAMETER
178 mm/7"
PIECES/REEL
5000
CODE
EA
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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