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255X-2370-FT5W

更新时间：2024-10-30 01:06:17

品牌：RCD

描述：Fixed Resistor, Wire Wound, 7W, 237ohm, 1% +/-Tol, 5ppm/Cel,

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255X-2370-FT5W 概述

Fixed Resistor, Wire Wound, 7W, 237ohm, 1% +/-Tol, 5ppm/Cel,

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MINIATURE WIREWOUND RESISTORS

RESISTORSꢀCAPACITORSꢀCOILSꢀDELAY LINES

1 WATT to 10 WATT

Term.W is

RoHS

compliant

& 260°C

RoHS

compatible

200 SERIES

ꢀ Significant space savings!

Typically half the size of conventional resistors! Type 202 is

world’s smallest wirewound resistor! Series 200 resistors

offer the same MIL-grade construction as Series 100 resistors

except utilize proprietary materials and processing, enabling

significant size reductions. Series 200 resistors are ideal

when PCB real estate is at a premium! Highest grade

materials enable excellent stability and environmental

performance.

ꢀ Tolerance to +0.01%, TCR to 5ppm/°C

ꢀ Wide resistance range: 0.005Ω to 250K

ꢀ Available on exclusive SWIFT^TMdelivery program

ꢀAll sizes available on Tape & Reel

OPTIONS

ꢀ Option X: Low Inductance

ꢀ Option P: Increased Pulse Capability

ꢀ Option F: Flameproof Coating

DERATING: Power resistors reach elevated temperatures when

operated near full wattage, and therefore should be mounted

off the PCB and derated according to required stability levels.

ꢀ Option ER: 100-Hour Burn-In

100

ꢀ Also available: low thermal emf (opt.E), matched sets, cut &

formed leads, special marking, 4-terminal, hi-rel screening,

hermetic seal, non-standard values, increased voltage, etc.

Customized components are an RCD speciality!

100

125 150 175 200 225 250 275 300

TYPICALSIZE COMPARISON

AMBIENT TEMPERATURE (°C)

←

B →

A →

2W carbon composition

← 1.375” Min³→

Type 202 is 1.1”

→ C ←

2W wirewound (standard)

2W wirewound (type 210)

↓

↑

DIMENSIONS Inch [mm]

C²

RCD

Type

Wattage

Rating

Maximum

Voltage ¹

Resistance

Range

D (Nominal Diameter)

B (Max)

Standard

Optional

N/A

.150 ±.032

[ 3.81 ± .8]

.200

[5.08]

.064 ±.02

[1.63 ± .5]

.020

[0.5]

202

210

232

235

255

272

1.0W

2.0W

3.0W

5.0W

7.0W

10W

30V

40V

.01Ω to 2K

.01Ω to 10K

.005Ω to 20K

.005Ω to 40K

.005Ω to 80K

.250 ±.040

[6.35 ±1]

.300

[7.62]

.093 ±.025

[2.36 ± .6]

.020

[0.5]

.024 (Opt."22")

[0.6]

.350 ±.040

[8.9 ±1]

.480

[12.2]

.140 ±.032

[3.56 ± .8]

.031

[0.8]

60V

N/A

.500 ±.040

[ 12.7 ±1]

.595

[15.1]

.188 ±.032

[4.78 ± .8]

.031

[0.8]

.040 (Opt."18")

[1.0]

157V

210V

600V

.625 ±.040

[15.9 ±1]

.765

[19.4]

.232 ±.032

[5.89 ± .8]

.040

[1.0]

N/A

.005Ω to

250K

1.040 ±.048

[26.4 ±1.2]

1.125

[28.6]

.350 ±.032

[8.89 ± .8]

.040

[1.0]

Volt rating determined by E =√(PR), E not to exceed max. rating. Increased ratings available. Multiply by 0.7 for Opt. X

²Allow .032” additional for Option X and values below 1.0Ω

Lead length applies to bulk packaged parts units, parts supplied on tape may be shorter (refer to taping specification)

210

- 1001 - F B

P/N DESIGNATION:

SPECIFICATIONS:

Temperature

.005 - .0099Ω: 600ppm std (200, 300ppm opt.)

RCD Type

Coefficient typ.

(Consult factory

for TC on opt. P)

.01 - .049Ω:

.05 - .099Ω

.1 - .99Ω:

1 - 9.9Ω:

300ppm std (100, 200ppm opt.)

200ppm std (50, 100ppm opt.)

90ppm std(10, 20, 30, 50ppm opt)

50ppm std (10, 20, 30ppm opt.)

Options: X, P, F, ER, E, 22, 18

(leave blank if standard)

Resis. Code: ≤1%: 3 signif. figures & multiplier,

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

Resis. Code 2% - 10%: 2 signif. figures & multiplier,

e.g. R10= 0.1Ω, 1R0= 1Ω,100= 10Ω,101=100Ω, 102= 1KΩ.

Use extra digits as needed: e.g. R005, R0075, R012

10Ω & above: 20ppm std (5, 10ppm opt.)

Inductance,

Standard

1 to 50µH typical, depends on size & resistance

value. Specify Opt. X for non-inductive

performance (see below).

Tolerance: K=10%, J=5%, H=3%,F=1%, D=0.5%,

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

≤ 50Ω

> 50Ω

Inductance, Opt.X

(levels as low as

20nH avail.)

Type 202X-235X: 0.2µH Max 0.37µH Max

Packaging: B = Bulk, T = T&R

Type 255X:

Type 272X:

0.3µH Max 0.6µH Max

0.6µH Max 1.0µH Max

Optional TC: 5= 5ppm, 10= 10ppm, etc., if 100ppm & above use 3-digit

code: 101 = 100ppm, 201= 200ppm, etc. (leave blank if standard)

Dielectric Strength 500V (300V Type 202), 1KV available (Opt. 33)

Overload, 5 Sec. 5X rated W 202-235, 10X rated W 255-272

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

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

FA014D Sale of this product is in accordance with GF-061. Specifications subject to change without notice.

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