WSF251526R70DETB [VISHAY]
Fixed Resistor, Metal Film, 1W, 26.7ohm, 0.5% +/-Tol, -25,25ppm/Cel, 2515,;
| 型号： | WSF251526R70DETB |
| 厂家： | 
VISHAY |
| 描述： | Fixed Resistor, Metal Film, 1W, 26.7ohm, 0.5% +/-Tol, -25,25ppm/Cel, 2515, |
| 文件： | 总3页 (文件大小：99K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WSF
Vishay Dale
Metal Film Resistors, Power, Surface Mount
FEATURES
• Molded encapsulation
Pb-free
• Wraparound Compliant Terminations eliminate
Available
risk of solder fillet cracking
• Solderable terminations
e3
• Excellent stability at different environmental
conditions
RoHS*
COMPLIANT
• High power ratings (up to 2 W)
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING
RESISTANCE
TOLERANCE
GLOBAL
MODEL
SIZE
INCH
P70 °C
RANGE
ENCAPSULATION
ꢀ
W
Ω
WSF2012
WSF2515
WSF4527
2012
2515
4527
0.5
0.5, 1, 5
0.5, 1, 5
0.5, 1, 5
5.0 - 1.43K 1)
Epoxy
1.0
2.02)
10 - 10K
Thermoplastic
Thermoplastic
10 - 100K
Notes
1) E96 values only
2) Resistance values above 31 250 Ω are limited to 250 maximum working voltage
• Part Marking: 1/2 W - DALE, Value; 1 W - Model, Value, Tolerance, Date Code; 2 W - DALE, Model, Value, Tolerance, Date Code.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
WSF2012
100 3)
WSF2515
100 3)
WSF4527
100 3)
Temperature Coefficient
Dielectric Withstanding Voltage
Insulation Resistance
ppm/ꢀC
VAC
Ω
> 500
> 500
> 109
> 500
Operating Temperature Range
Maximum Working Voltage
Weight/1000 pieces (typical)
ꢀC
V
- 65/+ 175
(P x R)1/2
90
- 65/+ 175
(P x R)1/2
165
- 65/+ 150
(P x R)1/2 4)
760
g
Notes
3) 50 ppm/ꢀC and 25 ppm/ꢀC available
4) Resistance values above 31 250 Ω are limited to 250 V maximum working voltage
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: WSF25151K500JKTA (preferred part numbering format)
W
S
F
2
5
1
5
1
K
5
0
0
J
K
T
A
GLOBAL MODEL
VALUE
TOLERANCE
TCR
PACKAGING
SPECIAL
WSF2012
WSF2515
WSF4527
R = decimal
D = 0.5 ꢁ
F = 1.0 ꢁ
G = 2.0 ꢁ
H = 3.0 ꢁ
J = 5.0 ꢁ
K = 10 ꢁ
E = 25 ppm/ꢀC
H = 50 ppm/ꢀC
K = 100 ppm/ꢀC
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
TA = Tin/Lead, tape/reel (R86)
BA = Tin/Lead, bulk (B43)
(Dash Number)
(up to 2 digits)
From 1 - 99 as
applicable
K = thousand
54R15 = 54.15 Ω
1K325 = 1.325 kΩ
Historical Part Number example: WSF2515 1.5 kΩ 5 % 100 ppm/°C R86 (will continue to be accepted)
WSF2515
1.5 kΩ
5 %
100 ppm/°C
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE
TEMPERATURE
COEFFICIENT
PACKAGING
CODE
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 30104
Revision: 02-Aug-07
For technical questions, contact: ww2aresistors@vishay.com
www.vishay.com
233
WSF
Metal Film Resistors, Power, Surface Mount
Vishay Dale
DIMENSIONS
DIMENSIONS in inches [millimeters]
MODEL
W1
L
H
T
W
W
WSF2012
0.200 0.020 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.005
H
[5.08 0.508] [2.44 0.381] [1.02 0.254] [3.18 0.127] [1.27 0.127]
WSF2515
WSF4527
0.250 0.020 0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005
[6.35 0.508] [2.79 0.381] [1.14 0.254] [3.81 0.127] [2.49 0.127]
W
1
0.455 0.020 0.167 0.010 0.100 0.010 0.275 0.005 0.215 0.005
[11.56 0.508] [4.24 0.254] [2.54 0.254] [6.98 0.127] [5.46 0.127]
T
L
SOLDER PAD DIMENSIONS in inches [millimeters]
MODEL
l
b
a
b
l
WSF2012
WSF2515
WSF4527
0.085 [2.16]
0.090 [2.29]
0.155 [3.94]
0.070 [1.78]
0.115 [2.92]
0.230 [5.94]
0.080 [2.03]
0.120 [3.05]
0.205 [5.21]
a
200
150
120
100
80
WSF4527
WSF2515
WSF2012
100
50
0
60
WSF2012
WSF2515
40
20
WSF4527
0
0
0.5
1.0
1.5
2.0
Power in W
- 65
- 25
0
25
50 75 100 125 150 175 200
Ambient Temperature in °C
Temperature Rise
70
Derating
PERFORMANCE
TEST
CONDITIONS OF TEST
TEST LIMITS
Thermal Shock
- 55 ꢀC to + 150 ꢀC, 1000 cycles, 15 minutes at each extreme
5 x rated power for 5 seconds
(1.0 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
(1.0 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
Short Time Overload
Low Temperature Storage
- 65 ꢀC for 24 hours
High Temperature Exposure
Bias Humidity
1000 hours at + 175 ꢀC (150 ꢀC for WSF4527)
+ 85 ꢀC, 85 % RH, 10 % Bias, 1000 hours
MIL-STD-202 Method 106, 0 % Power, 7a and 7b not required
100 g’s for 11 milliseconds, 5 pulses
Moisture Resistance
Mechanical Shock
Vibration
Frequency varied 10 to 500 Hz in one minute, 3 directions, 9 hours
1000 hours at rated power, + 70 ꢀC, 1.5 hours “ON”, 0.5 hours “OFF”
+ 260 ꢀC solder, 10 - 12 second dwell, 25 mm/second emergence
(0.5 % + 0.05 Ω) ΔR
(1.0 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
Load Life
Resistance to Solder heat
PACKAGING
REEL
MODEL
TAPE WIDTH
DIAMETER
330 mm/13"
330 mm/13"
330 mm/13"
PIECES/REEL
2000
CODE
EA/TA
EA/TA
EA/TA
WSF2012
WSF2515
WSF4527
12 mm/Embossed Plastic
16 mm/Embossed Plastic
24 mm/Embossed Plastic
2000
1200
Embossed Carrier Tape per EIA 481-1, 2.
www.vishay.com
234
For technical questions, contact: ww2aresistors@vishay.com
Document Number: 30104
Revision: 02-Aug-07
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
www.vishay.com
1
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