Product Sheet

V i shay I n t e r t e ch n o l o g y, I n c .
I
INNOVAT
AND TEC
O L OGY
WSZ
N
HN
WIREWOUND RESISTORS
O
19
62-2012
Resistors - Wattage Ratings up to 3.75 W
High-Power, Surface-Mount, Wirewound Resistors
Key Benefits
•
•
•
•
•
High-power surface-mount device: up to 3.75 W
High temperature performance: up to + 350 ºC
All welded construction
Available on tape and reel
Can replace axial leaded components without increasing board temperature
APPLICATIONS
•
•
•
•
•
•
Motor controls
Pulsing applications
Switching systems
Home entertainment
Telecommunications
Satellite receivers
Resources
• Datasheet: WSZ - http://www.vishay.com/doc?30246
• For technical questions contact [email protected]
One of the World’s Largest Manufacturers of
Discrete Semiconductors and Passive Components
PRODUCT SHEET
1/2
VMN-PT9059-1201
This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
V i shay I n t e r t e ch n o l o g y, I n c .
INNOVAT
O L OGY
WSZ
WSZ
AND TEC
I
WIREWOUND RESISTORS
N
HN
O
19
62-2012
Vishay
Wirewound
Resistors, Surface
Mount,
High-Power,
Surface-Mount,
Wirewound
Resistors
Silicone or Cement Coated, High Power
•
•
•
•
•
•
•
Low cost, high power (up to 3.75 W)
All welded construction
Ideal for pulsing application
Ceramic core
Available on tape and reel
AEC-Q200 qualified available (1)
Compliant to RoHS Directive 2002/95/EC
Note
(1) Flame retardance test may not be applicable to
some resistor technologies.
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE
RESISTANCE
POWER
RESISTANCE RESISTANCE
RANGE (2) 
RANGE (2) 
RANGE 
TOLERANCE WEIGHT
RATING
RANGE 
(typical) ENCAPS.
TCR
TCR
SIZE
±%
P25 °C - 10 ... - 80 ppm/K (3) 100 ... 180 ppm/K
TCR
TCR
g
W
± 50 ppm/°C
± 30 ppm/°C
(CLASS 1)
(CLASS 3)
1 to 510
n/a
n/a
n/a
1
0.22 to 510
n/a
n/a
n/a
2
WSZ6720 6720 1.8 (4)
0.6
Cement
0.10 to 510
24 to 3.3K
n/a
n/a
5
0.10 to 510
1.8 to 3.3K
n/a
n/a
10
n/a
n/a
n/a
10 to 15K
1, 3
WSZ7532 7532
3.75
0.7
Silicone
n/a
n/a
1 to 9.99
10 to 15K
5, 10
Notes
(2) Lower TCR or other power range on request. Resistance value to be selected for ± 10 % tolerance from E12 and for ± 5 % from E24.
(3)  1   400 ppm/K.
(4) Power rating depends on the maximum temperature at the solder point, solder pad dimensions, the component placement density and the
substrate material.
GLOBAL
MODEL
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSZ672011509KBM000
W
S
Z
GLOBAL MODEL
WSZ6720
6
7
2
TCR/MATERIAL
1=
- 10 ... - 80 ppm/K
WM 50
Class 1
3=
100 ... 180 ppm/K
WM 110
Class 3
0
1
1
VALUE
3 digit value
1 digit multiplier
MULTIPLIER
7 = *10-3
8 = *10-2
9 = *10-1
0 = *100
1 = *101
2 = *102
3 = *103
5
0
9
K
TOLERANCE CODE
F = ± 1.0 %
G = ± 2.0 %
J = ± 5.0 %
K = ± 10.0 %
HISTORICAL MODEL
TCR/MATERIAL
VALUE
B
M
0
PACKAGING
BM = Lead (Pb)-free,
tape/reel
LX = Lead (Pb)-free,
bulk
Historical Part Numbering example: WSZ6720 WM 50 15  10 % BM
15 
WSZ6720
WM 50
0
0
SPECIAL
3 digits
000 = Standard
10 %
BM
TOLERANCE CODE
PACKAGING
Global Part Numbering example: WSZ75321K000JTA
W
Revision 17-Mar-11
Resistors - Wattage Ratings up to 3.75 W
FEATURES
S
Z
7
5
3
2
1
K
0
0
0
J
T
A
GLOBAL MODEL
VALUE
TOLERANCE CODE
PACKAGING
SPECIAL
WSZ7532
R = Decimal
K = Thousand
54R15 = 54.15 
1K325 = 1325 
F = ± 1.0 %
G = ± 2.0 %
H = ± 3.0 %
J = ± 5.0 %
K = ± 10 %
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
(Dash number)
(Up to 3 digits)
From 1 to 999
as applicable
TA = Tin/lead, tape/reel
BA = Tin/lead, bulk
* 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
1
PRODUCT SHEET
For technical questions on the WSZ6720, contact: [email protected]
For technical questions on the WSZ7532, contact: [email protected]
2/2
Document Number: 30246
Revision: 17-Mar-11
VMN-PT9059-1201
This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000