RW2NT4990D datasheet, PDF - EEWORLD Datasheet

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RW2NT4990D: DescriptionFixed Resistor, Wire Wound, 2W, 499ohm, 140V, 0.5% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL LEADED, LEAD FREE; CategoryPassive components The resistor; File Size269KB，2 Pages; ManufacturerKOA Speer; Websitehttp://www.koaspeer.com/; Environmental Compliance

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RW2NT4990D Overview

Fixed Resistor, Wire Wound, 2W, 499ohm, 140V, 0.5% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL LEADED, LEAD FREE

RW2NT4990D Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Objectid	1737267618
package instruction	,
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	NON-INDUCTIVE, PRECISION
JESD-609 code	e3
Manufacturer's serial number	RW
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	275 °C
Minimum operating temperature	-55 °C
Package shape	TUBULAR PACKAGE
Rated power dissipation(P)	2 W
Rated temperature	25 °C
resistance	499 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	20 ppm/°C
Terminal surface	Tin (Sn)
Terminal shape	WIRE
Tolerance	0.5%
Operating Voltage	140 V

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WIRE WOUND

絶縁塗装½高精密超小½電力用巻線抵抗器

Coat-insulated Miniature Precision Power Wirewound Resistors

■構造図 Construction

①

②

③

① 絶縁塗装

② 抵抗素子

③ リード線

⑤

④

φd

Electrode cap

Ceramic core

Insulation coating

Resistive wire

Lead wire

④ 電極キャップ

⑤ セラミック

外装色：黒 Coating color：Black

表示：文字表示 Marking：Alpha / Numeric

■外½寸法 Dimensions

½ 名

Type

RW1/2・RW1/2N

RW1 ・RW1N

RW2 ・RW2N

RW3 ・RW3N

RW5 ・RW5N

RW7 ・RW7N

RW10 ・RW10N

8.0±1.0

10.5±1.0

13.0±1.0

16.5±1.0

22.0±1.0

31.5±1.0

46.0±1.5

寸法 Dimensions （mm）

（Nominal）

1.6

＋1.0

−0

0.5

2.7±1.0

5.2±1.0

0.8

6.4±1.0

7.8±1.5

9.3±1.5

1.0

Weight

（g）

（1000pcs）

180

270

1,000

1,820

3,240

5,060

8,900

■特長 Features

MIL-R-26E

（特性U及び特性V）

に準拠した抵抗器で、表

面温度

（hot spot）

は350℃以下です。

●

抵抗値範囲が0.1Ω∼62kΩと広く、精密級から電力用

の用途までカバーした抵抗器です。

●

RW□Nは無誘導巻きで、高周波帯で½用できます。

●

Resistors meeting MIL-R-26E (U and V characteristics)

and surface temp. (hot spot) 350℃ max.

●

Resistors with a wide range of 0.1Ω∼62kΩ, covering

applications from precision to power.

●

RW□N type resistors are non-inductive wound and can

be used in high frequency bands.

●

38±3

■品名構成 Type Designation

例 Example

Sn/Pb Type

Pb Free Type

NRW −

品種

Product

Code

1/2

定格電力

Power

Rating

1/2:0.5W

1:1W

2:2W

3:3W

5:5W

7:7W

10:10W

10kΩ

巻線方法

Winding

Method

空欄:標準巻線

Nil:Standard

winding

N:無誘導巻線

N:Non-inductive

winding

抵抗値許容差

Resistance

Tolerance

D:±0.5%

F:±1%

H:±3%

J:±5%

■用途 Applications

突入電流防止用抵抗器

●

計測½通信、医療用等の各種電源用抵抗器

●

半導½バーンインボード用抵抗器

●

Inrush current preventitive resistors.

●

Resistors for various power supplies such as

instrumentations, communications, medical, etc.

●

Resistors for semiconductor burn-in boards.

●

端子表面材質

Terminal

Surface Material

T:Sn

103

公称抵抗値

Nominal

Resistance

D,F:4 digits

H,J:3 digits

■参考規格 Reference Standard

MIL-R-26E

端子表面材質は鉛フリーめっき品が標準となります。

■定格 Ratings

½ 名

Type

定格電力

Power Rating

U特性

Characteristics U

抵抗値範囲

Resistance Range (Ω)

D:±0.5%

E96

10∼2.61k

1∼5.11k

1∼10k

1∼15k

1∼30.1k

1∼45.3k

1∼60.4k

F:±1%

E96

10∼2.61k

10∼2.37k

1∼5.11k

10∼3.74k

1∼10k

15∼10k

1∼15k

15∼15k

1∼30.1k

20∼29.4k

1∼45.3k

36∼44.2k

1∼60.4k

62∼49.9k

H:±3%

E24

0.47∼2.7k

10∼2.4k

0.1∼5.1k

10∼3.6k

0.1∼10k

10∼10k

0.1∼15k

15∼15k

0.1∼30k

20∼30k

0.1∼47k

36∼43k

0.1∼62k

62∼51k

J:±5%

E24

0.47∼2.7k

10∼2.4k

0.1∼5.1k

10∼3.6k

0.1∼10k

10∼10k

0.1∼15k

15∼15k

0.1∼30k

20∼30k

0.1∼47k

36∼43k

0.1∼62k

62∼51k

抵抗温度係数

T.C.R.

（×10

−6

/K）

電力½抵抗器

High Power Type Resistors

V特性

Characteristics V

最高½用電圧最高過負荷電圧

Max.

Working

Overload

Voltage

80V

150V

RW1/2

RW1/2N

RW1

RW1N

RW2

RW2N

RW3

RW3N

RW5

RW5N

RW7

RW7N

RW10

RW10N

0.5W

±20:R≧10Ω

130V

300V

±50:1Ω≦R＜10Ω

140V

500V

±90:R＜1Ω

200V

600V

400V

700V

10W

600V

800V

10W

14W

1000V

1500V

※RWは抵抗値許容差B

（±0.1%）

も可½ですのでお問い合わせ下さい。 ※Resistance tolerance B

（±0.1%）

available. Please refer to us.

定格周囲温度Rated Ambient Temperature：＋25℃

½用温度範囲Operating Temperature Range：U特性 Characteristics U −55℃∼＋275℃，V特性 Characteristics V -55℃∼＋350℃

定格電圧は

√

定格電力×公称抵抗値による算出値、又は表中の最高½用電圧のいずれか小さい値が定格電圧となります。

￣￣￣￣￣￣￣￣￣

Rated voltage＝

√

Power Rating×Resistance value

￣￣￣￣￣￣￣￣￣￣￣￣

or Max. working voltage, whichever is lower.

本カタログに掲載の仕様は予告なく変更する場合があります。御注文及び御½用前に、納入仕様書などで内容を御確認下さい。

Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.

www.koanet.co.jp

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