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
capability
and
pulse
handling
• SMD alternative for low power leaded
wirewound resistors
• Low TCR 15 ppm/K
• Low noise: < - 40 dB
• Voltage coefficient: < 0.00001 %/V (< 0.1 ppm/V)
• Very low inductance: < 0.08 μH
• Compliant to RoHS Directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
WSE0805
SIZE
POWER RATING
P
70 °C
W
0.25
LIMITING
ELEMENT
VOLTAGE
V
(P x
R)
1/2
TEMPERATURE
COEFFICIENT
± ppm/K
15, 25
TOLERANCE
±%
0.1, 0.25, 0.5, 1.0
RESISTANCE RANGE
10 to 10K
E-SERIES
0805
96
TECHNICAL SPECIFICATIONS
PARAMETER
Dielectric withstanding voltage
Insulation resistance
Operating temperature range
Weight/1000 pieces
UNIT
V
AC
°C
g
WSE0805
200
> 10
9
- 65 to + 150
5.5
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSE08051K500FXEA
W
GLOBAL
MODEL
WSE0805
S
E
0
8
0
5
1
K
5
0
0
F
X
E
A
SPECIAL
(Dash number)
(Up to 2 digits)
from
1 to 99
as applicable
RESISTANCE
VALUE
R
= Decimal
K
= Thousand
100R0
= 100
4K000
= 4 k
TOLERANCE CODE
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
TCR CODE
X
= ± 15 ppm/K
E
= ± 25 ppm/K
PACKAGING CODE
EA
= Lead (Pb)-free, tape/reel
EK
= Lead (Pb)-free, bulk
TG
= Tin/Lead, tape/reel (RT1)
BA
= Tin/Lead, bulk (B43)
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
www.vishay.com
440
For technical questions, contact:
ww2bresistors@vishay.com
Document Number: 30109
Revision: 15-Feb-11
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 %
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
0.15
0.20
0.25
- 25
0
25
50
75
70
100
125
150 175
Temperature Rise
Power in W
Derating
Ambient Temperature in °C
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature operation
High temperature exposure
Moisture resistance
Load life
Resistance to bonding exposure
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 %
R
± 0.10 %
R
± 0.05 %
R
± 0.10 %
R
± 0.10 %
R
± 0.05 %
R
± 0.10 %
R
PACKAGING
MODEL
WSE0805
REEL
TAPE WIDTH
8 mm/punched paper
DIAMETER
178 mm/7"
PIECES/REEL
5000
CODE
EA
Note
• Embossed Carrier Tape per EIA-481.
Document Number: 30109
Revision: 15-Feb-11
For technical questions, contact:
ww2bresistors@vishay.com
www.vishay.com
441
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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 in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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