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PW2821KB PDF预览

PW2821KB

更新时间: 2024-11-26 08:02:31
品牌 Logo 应用领域
RCD /
页数 文件大小 规格书
1页 37K
描述
RESISTOR, WIRE WOUND, 2 W, 10 %, 300 ppm, 820 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

PW2821KB 数据手册

  
RESISTORSCAPACITORSCOILSDELAY LINES  
GENERAL PURPOSE 1W TO 25W  
CERAMIC-ENCASED RESISTORS  
RCD PW15 1005%  
Term.W is  
RoHS  
RCD PW7A 10K5%  
compliant  
PW SERIES  
& 260°C  
compatible  
RoHS  
PW resistors are designed for general purpose and semi-precision  
power applications. The fireproof ceramic construction provides  
excellent thermal conductivity and resistance to moisture & solvents.  
Typical marking is ‘RCD’, value, tol. &wattage (or type). The resistance  
element is wirewound on lower values, & power film on higher values  
depending on options (opt. P & T parts are always WW). If a specific  
construction is preferred, specify opt.WW or M (not avail. in all values).  
Low cost and the industry’s broadest selection!  
Available from stock in popular sizes (5W&10W, 0.1to5K)  
and selected values in other sizes; non-stock items are  
available on exclusive SWIFTTM delivery program  
Tolerance to ±0.05%, TCR to ±5 ppm/°C  
Wide resistance range: .05to 1MegΩ  
Tape & Reel available up to 10W size (Opt.A not avail. on T&R)  
APPLICATIONNOTE#1:ResistorComparison  
OPTIONS  
Series PW resistors offer moderate performance levels at prices  
below that of other WW or film technologies. Other choices for  
medium power applications are Series PV resistors (2W to 10W,  
similar to PW in vertical package); Series 100 military grade WW  
(1/2W to 50W, offers improved performance, pulse capability, and  
reliability); Series RW (1W to 5W WW, offers space savings); and  
Series RSF/RMF power film (1/2W to 9W, offers reduced inductance).  
Option X: Non-inductive (PW5X & smaller: 50Ω =0.2uH max,  
>50Ω= 0.37uH max; PW7X & larger: 50Ω=0.3uH max,  
>50Ω= 0.6uH max). Reduced inductance levels available  
Option T: Temp. sensitive (up to +6000ppm/°C)  
Option P: Increased pulse capability  
Option FF: Fuse within 10S at 30x rated W4 and within 45S  
at 20x rated W (1to 1K). Custom fusing characteristics avail.  
Option B: Increased power  
APPLICATIONNOTE#2:TemperatureRise  
Option A: Standoffs built into ceramic case  
Additional options available... burn-in, special marking, non-  
standard values, increased voltage, longer or heavier gauge  
leads, specialty lead wire material/plating/insulation, cut & formed  
leads, etc. Customized components are an RCD specialty!  
Power resistors reach elevated temperatures (typically 125° to 250°C)  
when operated at full wattage, so when utilizing above 50% power  
rating, the bodies should be mounted off the PCB with adequate  
clearance from heat sensitive components. Opt. A standoffs are  
helpful in preventing heat transfer to PCB.  
1.00” Min PW1,2  
1.12” Min PW3,5  
1.25” Min PW7-25  
Rated  
B→  
Wattage  
DIMENSIONS Inch [mm]  
A
Resis.  
RCD  
Type  
Continuous  
Range  
E  
Working  
Opt.  
Std.  
B
C
D
E
C
(0.05-  
A (Max.)  
Voltage1  
1002  
B
±.032 [.81] ±.05 [1.3]  
Max.  
±.004 [.1]  
PW1  
PW2  
PW3  
PW5  
PW7  
1
2
3
5
7
2
3
5
1M  
1M  
1M  
.62 [15.8]  
.72 [18.3]  
.91 [23.1]  
.91 [23.1]  
1.42 [36]  
1.96 [50]  
1.96 [50]  
.25 [6.4]  
.27 [ 6.8]  
.31 [ 7.9]  
.38 [ 9.7]  
.38 [ 9.7]  
.38 [ 9.7]  
.50 [12.7]  
.25 [6.4]  
N/A  
.028 [.7]  
.028 [.7]  
Option A  
(standoffs)  
1002  
.27 [6.8] .39 [4.9]  
D
1502  
.31 [7.9] .43 [10.9] .031 [.8]3  
.35 [8.9] .47 [11.9] .031 [.8]3  
.35 [8.9] .52 [13.2] .031 [.8]3  
.38 [9.7] .52 [13.2] .031 [.8]3  
.50 [12.7] .68 [17.2] .031 [.8]3  
7
10  
-
1M  
1M  
2002  
350  
500  
540  
600  
650  
700  
Stock  
DERATINGCURVE:  
PW10 10  
PW15 15  
PW20 20  
PW22 22  
PW25 25  
1M  
Stock  
(derate W/V/A when ambient temp. > 25°C)  
100  
-
30K  
40K  
40K  
40K  
75  
50  
25  
0
-
2.55 [65] .58 [14.7] max .50 [12.7] .70 [17.8] .031 [.8]3  
2.55 [65] .58 [14.7] max .50 [12.7] .70 [17.8] .031 [.8]3  
2.55 [65] .58 [14.7] max .50 [12.7] .70 [17.8] .031 [.8]3  
-
-
-55 25 50  
100  
150  
200  
250  
235°C  
300  
1
Maximum voltage rating is determined by E= PR, E should not exceed value listed.  
AMBIENT TEMPERATURE (°C)  
2 Specify opt. 59 for double voltage rating.  
Specify opt.18 for 18AWG (.040”) diameter leads.  
3
TYPICAL PERFORMANCE FOR SERIES PW  
P/NDESIGNATION:  
RCD Type  
PW10  
- 100 - J B  
W
Temperature  
CoefT25 -T100  
1and above  
100ppm/°C typ., 300ppm max.1  
200ppm/°C typ., 600ppm max.1  
Options: X, WW, T, P, M, FF, B, A, 59, 18  
(Leave blank if standard)  
0.05to 1Ω  
Operating Temp.  
Terminal Strength  
Dielectric Strength  
-55° to +235° C 2  
Resis.Code .05%-1%: 3 signif. figures & multiplier,  
R100=0.1Ω, 1R00=1Ω, 10R0=10, 1000=100Ω, 1001=1K.  
Resis.Code 2%-10%: 2 signif. figures & multiplier,  
R10=0.1Ω, 1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K.  
If necessary, use additional (significant) digits, e.g. R005  
for 0.005Ω, R0075 for 0.0075in any tolerance.  
5 lbs. minimum  
1000V  
5 Sec. overload (1.5x max V)  
Moisture Resistance  
3X rated wattage (Opt. WW = 5X)  
3.0% 3  
1.0% 3  
3.0% 3  
2.0% 3  
1.0% 3  
Tolerance: K=10%, J=5% (std), H=3%, G=2%,  
F=1%, D=0.5%, C=0.25%, B=0.1%  
High Temp. Exposure  
Load Life (1000 hours)  
Temperature Cycling  
Packaging: B=Bulk (standard), T= Tape & Reel  
Temp. Coefficient (leave blank for standard TC): 5=5ppm,  
10=10ppm, 20= 20ppm, 50=50ppm, 101=100ppm, 201=200ppm  
Shock and Vibration  
Termination: W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable,  
in which case RCD will select based on lowest price and quickest delivery)  
1
2
3
TC to 5ppm available >10Ω, 10ppm 1-10Ω, 20ppm 0.1-1Ω  
275°C avail  
Tightened  
4
performance avail  
Opt FF max fault nte 1.5x RCWV or 200x W rating  
-
-
-
-
RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603 669 0054 Fax: 603 669 5455 Email:sales@rcdcomponents.com  
FA040G Sale of this product is in accordance with GF-061. Specifications subject to change without notice.  
47  

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