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PW7-R284-BB201

Description
Fixed Resistor, Wire Wound, 7W, 0.284ohm, 350V, 0.1% +/-Tol, 200ppm/Cel,
CategoryPassive components    The resistor   
File Size28KB,1 Pages
ManufacturerRCD Components Inc.
Websitehttp://www.rcdcomponents.com/
Download Datasheet Parametric View All

PW7-R284-BB201 Overview

Fixed Resistor, Wire Wound, 7W, 0.284ohm, 350V, 0.1% +/-Tol, 200ppm/Cel,

PW7-R284-BB201 Parametric

Parameter NameAttribute value
Objectid882041480
Reach Compliance Codecompliant
Country Of OriginMainland China, Saint Lucia, Taiwan, USA
ECCN codeEAR99
YTEOL6.3
structureRectangular
Lead diameter0.8 mm
Lead length31.75 mm
Number of terminals2
Maximum operating temperature235 °C
Minimum operating temperature-55 °C
Package height8.9 mm
Package length36 mm
Package shapeRECTANGULAR PACKAGE
Package formAxial
Package width9.7 mm
method of packingBulk
Rated power dissipation(P)7 W
resistance0.284 Ω
Resistor typeFIXED RESISTOR
seriesPW7(B TOL)
technologyWIRE WOUND
Temperature Coefficient200 ppm/°C
Tolerance0.1%
Operating Voltage350 V

PW7-R284-BB201 Preview

GENERAL PURPOSE 1W TO 25W
CERAMIC-ENCASED RESISTORS
RCD PW10 100Ω 5%
RESISTORS CAPACITORS COILS DELAY LINES
PW SERIES
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
RCD PW10A 10K
5%
Low cost and the industry’s broadest selection!
Available from stock in popular sizes (5W & 10W, 0.1Ω to 5K)
and selected values in other sizes; non-stock items are
available on exclusive
SWIFT
TM
delivery program
Tolerance to ±0.05%, TCR to ±5 ppm/°C
Wide resistance range: .05Ω to 200KΩ
Tape & Reel available up to 10W size (Opt. A not avail. on T&R)
OPTIONS
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 W
4
and within 45S
at 20x rated W (1Ω to 1K). Custom fusing characteristics avail.
Option B: Increased power
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!
RCD
Type
PW resistors are designed for general purpose and semi-precision
medium power applications. The fireproof ceramic construction
provides excellent thermal conductivity and is resistant to moisture &
solvents. Typical marking is ‘RCD’, value, tol. &wattage (or type).
Resis. element is wirewound on lower values & power film on higher
values, depending on options (e.g. opt. P & T parts are always WW). If
a specific construction is preferred, specify opt.WW or M (not avail. in
all values).
APPLICATION NOTE #1: Resistor Comparison
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).
APPLICATION NOTE #2: Temperature Rise
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 stand-
offs are helpful in preventing heat transfer to PCB.
DIMENSIONS
(Numbers in brackets are mm)
A (Max.)
.62 [15.8]
.72 [18.3]
.91 [23.1]
.91 [23.1]
1.42 [36]
1.96 [50]
1.96 [50]
2.55 [65]
2.55 [65]
2.55 [65]
B
±.032 [.81]
.25 [6.4]
.27 [ 6.8]
.31 [ 7.9]
.38 [ 9.7]
.38 [ 9.7]
.38 [ 9.7]
.50 [12.7]
C
±.05 [1.3]
.25 [6.4]
.27 [6.8]
.31 [7.9]
.35 [8.9]
.35 [8.9]
.38 [9.7]
.50 [12.7]
D Typ.
Opt. A only
N/A
.06 [1.5]
.06 [1.5]
.06 [1.5]
.10 [2.5]
.10[2.5]
.10 [2.5]
.10 [2.5]
.10 [2.5]
.10 [2.5]
E
±.004 [.1]
.028 [.7]
.028 [.7]
.031 [.8]
3
.031 [.8]
3
.031 [.8]
3
.031 [.8]
3
.031 [.8]
3
.031 [.8]
3
.031 [.8]
3
.031 [.8]
3
1.00” Min PW1,2
1.12” Min PW3,5
1.25” Min PW7-25
A
E
B
C
Wattage Resis.
Max.
Range Working
Opt.
(0.05
- Voltage
1
Std.
B
1
2
3
5
7
10
15
20
22
25
2
3
5
7
10
-
-
-
-
-
1M
1M
1M
1M
1M
1M
30K
40K
40K
40K
100
2
100
2
150
2
PW1
PW2
PW3
Stock
(standoffs apply
to Opt.A only)
D
DERATING CURVE:
(derate W/V/A when ambient temp. > 25°C)
% OF RATED POWER
PW5
PW7
200
2
350
500
540
600
650
700
100
75
50
25
0
50
100
150
200
250
235°C
300
AMBIENT TEMPERATURE (°C)
Stock
PW10
PW15
PW20
PW22
PW25
1
2
.562 [14.3] max .50 [12.7]
.562 [14.3] max .50 [12.7]
.562 [14.3] max .50 [12.7]
Maximum voltage rating is determined by E= PR, E should not exceed value listed.
Specify opt. 59 for double voltage rating.
3
Specify opt.18 for 18AWG (.040”) diameter leads.
TYPICAL PERFORMANCE FOR SERIES PW
Temperature
Coef
T25 -T100
Operating Temp.
Terminal Strength
Dielectric Strength
5 Sec. overload (≤1.5x max V)
Moisture Resistance
High Temp. Exposure
Load Life (1000 hours)
Temperature Cycling
Shock and Vibration
1Ω and above
0.05
to 1
100ppm/°C typ., 300ppm max.
1
200ppm/°C typ., 600ppm max.
1
-55
°
to +235° C
5 lbs. minimum
1000V
3X rated wattage (Opt. WW = 5X)
3.0%
3
1.0%
3
2
P/N DESIGNATION:
RCD Type
PW10
- 100 - J B
W
Options:
X, WW, T, P, M, FF, B, A, 59, 18
(Leave blank if standard)
Resis.Code .05%-1%:
3 signif. figures & multiplier,
R100=0.1Ω, 1R00=1Ω, 10R0=10Ω, 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 0.0075Ω in any tolerance.
Tolerance:
K=10%, J=5% (std), H=3%, G=2%,
F=1%, D=0.5%, C=0.25%, B=0.1%
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
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
3.0%
3
2.0%
3
1.0%
3
1
TC to 5ppm available >10Ω, 10ppm 1-10Ω, 20ppm 0.1-1Ω
2
275°C avail
3
Tightened
performance avail
4
Max fault nte 200x W rating, or voltage rating, whichever is less
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
FA040F Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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