PW7-2911-BB datasheet, PDF - EEWORLD Datasheet

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PW7-2911-BB: DescriptionFixed Resistor, Wire Wound, 7W, 2910ohm, 350V, 0.1% +/-Tol,; CategoryPassive components The resistor; File Size28KB，1 Pages; ManufacturerRCD Components Inc.; Websitehttp://www.rcdcomponents.com/

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PW7-2911-BB Overview

Fixed Resistor, Wire Wound, 7W, 2910ohm, 350V, 0.1% +/-Tol,

PW7-2911-BB Parametric

Parameter Name	Attribute value
Objectid	882028156
Reach Compliance Code	compliant
Country Of Origin	Mainland China, Saint Lucia, Taiwan, USA
ECCN code	EAR99
YTEOL	7.15
structure	Rectangular
Lead diameter	0.8 mm
Lead length	31.75 mm
Number of terminals	2
Maximum operating temperature	235 °C
Minimum operating temperature	-55 °C
Package height	8.9 mm
Package length	36 mm
Package shape	RECTANGULAR PACKAGE
Package form	Axial
Package width	9.7 mm
method of packing	Bulk
Rated power dissipation(P)	7 W
resistance	2910 Ω
Resistor type	FIXED RESISTOR
series	PW7(B TOL)
technology	WIRE WOUND
Tolerance	0.1%
Operating Voltage	350 V

PW7-2911-BB Preview

GENERAL PURPOSE 1W TO 25W

CERAMIC-ENCASED RESISTORS

Ω

RCD PW10 100Ω 5%

RESISTORS CAPACITORS COILS DELAY LINES

PW SERIES

RoHS

Term.W is

RoHS

compliant

& 260°C

compatible

RCD PW10A 10K

Ω

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

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

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]

1.42 [36]

1.96 [50]

2.55 [65]

±.032 [.81]

.25 [6.4]

.27 [ 6.8]

.31 [ 7.9]

.38 [ 9.7]

.50 [12.7]

±.05 [1.3]

.25 [6.4]

.27 [6.8]

.31 [7.9]

.35 [8.9]

.38 [9.7]

.50 [12.7]

D Typ.

Opt. A only

N/A

.06 [1.5]

.10 [2.5]

.10[2.5]

.10 [2.5]

±.004 [.1]

.028 [.7]

.031 [.8]

1.00” Min PW1,2

1.12” Min PW3,5

1.25” Min PW7-25

↓

↑

←

→

↓

↑

Wattage Resis.

Max.

Range Working

Opt.

(0.05

Ω

- Voltage

Std.

30K

40K

100

150

PW1

PW2

PW3

Stock

↑

(standoffs apply

to Opt.A only)

DERATING CURVE:

(derate W/V/A when ambient temp. > 25°C)

% OF RATED POWER

PW5

PW7

200

350

500

540

600

650

700

100

150

200

250

235°C

300

AMBIENT TEMPERATURE (°C)

Stock

PW10

PW15

PW20

PW22

PW25

.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.

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

Ω

to 1

Ω

100ppm/°C typ., 300ppm max.

200ppm/°C typ., 600ppm max.

-55

to +235° C

5 lbs. minimum

1000V

3X rated wattage (Opt. WW = 5X)

3.0%

1.0%

P/N DESIGNATION:

RCD Type

PW10

- 100 - J B

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%

2.0%

1.0%

TC to 5ppm available >10Ω, 10ppm 1-10Ω, 20ppm 0.1-1Ω

275°C avail

Tightened

performance avail

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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