620-4T8R25-FB1250Q datasheet, PDF

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620-4T8R25-FB1250Q: DescriptionFixed Resistor, Wire Wound, 50W, 8.25ohm, 1250V, 1% +/-Tol, 50ppm/Cel,; CategoryPassive components The resistor; File Size53KB，1 Pages; ManufacturerRCD Components Inc.; Websitehttp://www.rcdcomponents.com/

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620-4T8R25-FB1250Q Overview

Fixed Resistor, Wire Wound, 50W, 8.25ohm, 1250V, 1% +/-Tol, 50ppm/Cel,

620-4T8R25-FB1250Q Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Objectid	881656301
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Welded
JESD-609 code	e0
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	8.25 Ω
Resistor type	FIXED RESISTOR
series	620(F TOL, OPT TC)
technology	WIRE WOUND
Temperature Coefficient	50 ppm/°C
Terminal surface	Tin/Lead (Sn/Pb)
Tolerance	1%
Operating Voltage	1250 V

620-4T8R25-FB1250Q 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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