620-P4R87-FB1250 datasheet, PDF

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620-P4R87-FB1250: DescriptionFixed Resistor, Wire Wound, 50W, 4.87ohm, 1250V, 1% +/-Tol, 50ppm/Cel,; CategoryPassive components The resistor; File Size53KB，1 Pages; ManufacturerRCD Components Inc.; Websitehttp://www.rcdcomponents.com/

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620-P4R87-FB1250 Overview

Fixed Resistor, Wire Wound, 50W, 4.87ohm, 1250V, 1% +/-Tol, 50ppm/Cel,

620-P4R87-FB1250 Parametric

Parameter Name	Attribute value
Objectid	881677750
Reach Compliance Code	compliant
Country Of Origin	Mainland China, Taiwan, USA
ECCN code	EAR99
YTEOL	7.05
structure	Welded
Lead length	304.8 mm
Number of terminals	2
Maximum operating temperature	250 °C
Minimum operating temperature	-55 °C
Package height	15.5 mm
Package length	50 mm
Package form	Axial
Package width	15.6 mm
method of packing	Bulk
Rated power dissipation(P)	50 W
resistance	4.87 Ω
Resistor type	FIXED RESISTOR
series	620(F TOL, OPT TC)
technology	WIRE WOUND
Temperature Coefficient	50 ppm/°C
Tolerance	1%
Operating Voltage	1250 V

620-P4R87-FB1250 Preview

ALUMINUM HOUSED RESISTORS

RESISTORS CAPACITORS COILS DELAY LINES

600 SERIES

RoHS

Term.W is

RoHS

compliant

& 260°C

compatible

Standard units feature lug terminals (605 - 630)

or threaded terminals (635 & 640).

Option L (605-625): Insulated stranded wires

embedded into the case. Black TFE 18awg x

12”L with ¼” strip is standard (16awg TFE &

14awg PVC avail). Also available with 4 insulated

lead wires (Opt.4L), and with a wide variety of

terminals... quick-connect male (Opt. LM=.25x.032);

female (Opt. LF=.25x.032”, LFS=.187x.020);

ring terminal (Opt. LR=.145” I.D., LRR=.25” I.D.).

Option 2T & 4T (605-625): Straight leadwires.

2T is 2-terminal design, 4T is 4-terminal. Each

have 18awg x 1” min lead length. 16awg x 1”

and 12AWG x .5” also available (12 AWG not

avail in Opt 4T).

Widest selection in the industry! 5 to 1000 Watt

0.005Ω to1MΩ, tolerance to .01%, TC to 5ppm

High power in compact size

Welded construction, low noise, high pulse capability

Available on exclusive

SWIFT

delivery program!

Option X:

Non-inductive

Option P:

Increased pulse capability

Option ER:

100 hour burn-in per MIL-PRF-39009

Option B:

Increased power

Additional modifications: unanodized cases, custom marking,

increased dielectric/creepage & working voltage, low thermal emf

(opt.E), etc. Customized components are an RCD Specialty!

605-630

View From Top

Type 630 & 640 have 4 mounting holes

635-640

View From Top

F E

605-630

View From Side

Option 4R (605-630): 4-terminal design. 16AWG

lug terminals are welded to standard terminals.

F E

635-640

View From Side

Option Q (605-630): .187x.020” male fast-on

terminal; Opt. Q2 is .250x.032 male terminal).

3.00±.01”

(640 only)

1/4-20,12-24

SPECIFICATIONS:

Consult factory for dimensions on liquid cooled design up to 1000 Watt

RCD

Type

605

MIL Type

RE/RER60

Wattage,Mounted

Std

7.5

Opt.B

MIL

Resis.

Voltage

Range (

Ω

) Rating

.005-20K

160

±.005

±.062

±.031

±.010

±.005

Mtg

Screw

.444

.490

.600

1.125

.334

.646

.320

.065

.093

.050

[11.3]

[12.5]

[15.2]

[28.6]

[8.5]

[16.4]

[8.2]

[1.6]

[2.4]

[1.3]

[M2]

.562

.625

.750

1.375

.420

.800

.405

.075

.093

.086

610 RE/RER65 12.5

10 .005-100K

265

[14.3]

[15.9]

[19.0]

[35.0]

[10.8]

[20.3]

[10.3]

[1.9]

[2.4]

[2.2]

[M2]

.719

.781

1.062

1.938

.531

1.080

.546

.088

.125

.086

615 RE/RER70

20 .005-200K

550

[18.3]

[19.8]

[27.0]

[49.3

[13.5]

[27.4]

[13.9]

[2.2]

[3.2]

[2.2]

[M2.5]

1.563

.844

1.968

2.781

.609

1.140

.610

.088

.125

.086

620 RE/RER75

30 .005-400K 1250

[39.7]

[21.5]

[50.0]

[70.6]

[15.6]

[28.8]

[15.5]

[2.2]

[3.2]

[2.2]

[M2.5]

1.563

.844

2.850

3.663

.609

1.140

.610

.088

.125

.086

625

.01-500K

1900

[39.7]

[21.5]

[72.4]

[93.0]

[15.6]

[28.8]

[15.5]

[2.2]

[3.2]

[2.2]

[M2.5]

1.377±.01 1.457±.01

2.579 3.38±.09

1.053

1.839 .960±.05 .138±.03 .173±.01 .086 Min

630

100

0.1-100K

1900

[35.0]

[37.0]

[65.5]

[85.9]

[26.7]

[46.7]

[24.4]

[3.5]

[4.4]

[2.2]

[M4]

2.75±.01

2.25±.01

3.50

5.48±.09

1.812

2.812

1.75

.188±.03 .188±.01

n/a

635

RE77

100

150

0.1-600K

1900

[M4]

[69.85]

[57.15]

[88.9] [139.14]

[46.0]

[71.42] [44.45]

[4.78]

3.875±.01 2.50±.01

4.50

7.00±.09

2.125

3.00

2.188

.250±.03 .188±.01

n/a

640

RE80

250

300

120

0.1-1M

2300

[M4]

[98.42]

[63.5]

[114.3]

[177.8]

[53.98]

[76.2]

[55.58]

[6.35]

[4.78]

Military part numbers are for reference only and do not imply qualification.

Max. voltage = ( PR)

, not to exceed the value listed (increased ratings avail). Multiply by 0.7 for Opt.X.

TYPICAL PERFORMANCE CHARACTERISTICS:

Temp.Coefficient

.0 0 5 - .0 0 9 9

Ω :

.0 1 - .0 4 9

Ω :

. 0 5 - . 0 9 9

Ω:

. 1 - . 9 9

Ω:

1 - 9 . 9

Ω:

1 0

Ω

& a b o ve :

6 0 0 p p m s td (2 0 0 , 3 0 0 p p m o p t.)

3 0 0 p p m s td (1 0 0 , 2 0 0 p p m o p t.)

2 0 0 p p m s td (5 0 , 1 0 0 p p m o p t.)

9 0 p p m s td (1 0 , 2 0 , 3 0 , 5 0 p p m o p t)

5 0 p p m s td (1 0 , 2 0 , 3 0 p p m o p t.)

2 0 p p m s td (5 , 1 0 p p m o p t.)

DERATING

: Power rating is based on the use of a suitable heat sink and thermal

compound to limit case temp. to 200°C. Derate wattage 0.44%/°C above 25°C.

Recommended aluminum chassis area is 64in² x.040” thick for type 605 and 610,

83in² x.040” thick for type 615, 144in² x.060” thick for type 620, and 144in² x .125”

for types 625 through 640. Without a heat sink, derate wattage rating by 60%.

P/N DESIGNATION:

610 -

1001 - F B

Dielectric (DWV)

Optional

Standard

605, 610

1K V

2KV (Opt.36), 2.5KV (Opt.34)

615, 620, 625

2K V

2.5KV (Opt.34), 3KV (Opt.41)

630, 635, 640

2.5KV

3KV (Opt.41), 4KV (Opt.65)

Inductance, Opt.X

≤

Ω

>50

Ω

605

0.2uH Max 0.37uH Max

610, 615

0.3uH Max 0.6uH Max

620, 625

0.65uH Max 1.2uH Max

630, 635, 640

1.5uH Max 3.0uH Max

Load Life (1000 hrs) ±1% (±2% for 625-640, and ±3% Opt.B)

Moisture Resistance ±0.5%

Overload

5x rated W, 5 Sec (V not to exceed DWV)

Terminal Strength

10-lb pull test

Insul. Resistance

10,000M

Ω

Operating Temp.

-55°C to +250°C

The dielectric strength on Opt. L resistors is 50% of standard (available up to 3KV)

RCD Type

Options:

X, Q2, Q, P, LRR, LR, LM, LFS, LF, L, ER,

E, B, 65, 41, 36, 34, 16, 14, 4T, 4R, 4L (leave blank if std)

Resis. Code

≤

1%:

3 signif. figures & multiplier,

e.g. R010=0.01Ω, R100= 0.1Ω, 1R00= 1Ω,1000= 100Ω, 1001= 1KΩ

Resis. Code 2% - 10%:

2 signif. figures & multiplier, e.g.

R01Ω=0.01, R10= 0.1Ω, 1R0= 1Ω,100= 10Ω, 102= 1KΩ

Tolerance:

K=10%, J=5%, H=3%, G=2%, F=1%, D=0.5%,

C=0.25%, B=0.1%, A=0.05%, Q=0.02%, T=0.01%

Packaging:

B = standard

Non-std lead length for option L (inches):

(12” = std) 4”, 16”, etc.

Optional TC

(leave blank if std): 5=5ppm, 10=10ppm; 20=20ppm;

30=30ppm; 50=50ppm; 101=100ppm, 201=200ppm, 301=300ppm)

Termination:

W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable)

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

FA018E

Sale of this product is in accordance with GF-061. Specifications subject to change without notice.

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