Datasheet > PCF2C270K

PCF2C270K

更新时间： 2024-11-24 20:57:15

品牌	Logo	应用领域
大兴电工 - KOA		电阻器
页数	文件大小	规格书
1页	633K
描述
Fixed Resistor, Ceramic Composition, 2W, 27ohm, 400V, 10% +/-Tol, -900ppm/Cel

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PCF2C270K 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	Axial,	Reach Compliance Code：	compliant
风险等级：	2.14	构造：	Flameproof
JESD-609代码：	e2	引线直径：	0.8 mm
引线长度：	38 mm	端子数量：	2
最高工作温度：	200 °C	最低工作温度：	-40 °C
封装直径：	7 mm	封装长度：	19 mm
封装形式：	Axial	包装方法：	Bulk
额定功率耗散 (P)：	2 W	电阻：	27 Ω
电阻器类型：	FIXED RESISTOR	子类别：	Fixed Resistors
技术：	CERAMIC COMPOSITION	温度系数：	-900 ppm/ °C
端子面层：	Tin/Copper (Sn/Cu)	容差：	10%
工作电压：	400 V	Base Number Matches：	1

PCF2C270K 数据手册

POWER TYPE RESISTORS

CERAMIC

ANTI SURGE

STRUCTURE

U max.

⑤

⑥

①

④

②

③

1 Metal oxide composition

2 Inner electrode

3 Electrode cap

4 Lead wire

5 Coating

6 Marking

HIGH VOLTAGE

PCF

C max.

IDENTIFICATION

PRODUCT CODE

COATING COLOR

MARKING

All these products have Pb-free terminations

and meet EU-RoHS requirements

Color Code

(R-value and tolerance)

PCF

Light green

TYPE DESIGNATION (HOW TO ORDER)

request for environmental

hazardous material other than the

substance speciﬁed by EU-RoHS

PCF

473

T631

POWER RATING

Unit: Watt

TERMINATION

SURFACE MATERIAL

C: SnCu

TAPING &

FORMING

PACKAGING

R: Reel

NOMINAL

RESISTANCE

3 digits

RESISTANCE

TOLERANCE

K: ( 10ꢀ)

PRODUCT CODE

1/2, 1, 2

M: ( 20ꢀ)

*Please see “PACKAGING”

FEATURES

DIMENSIONS (mm)

■ KOA original ceramic resistor

TYPE

C max.

U max. d (nominal)

■ Excellent characteristic against high voltage surge current

■ Higher reliability for disconnection failure compared to wirewound

resistors and film resistors

■ Able to replace carbon composition resistors in most applications

■ Flame retardant coating (Equivalent to UL94 V-0)

■ Meets or exceeds IEC 60115-1, JIS C 5201-1

PCF 1/2 C 9.0 1.0

3.5 0.5

5.5 1.0

7.0 1.0

11.1

19.0

22.5

1.5

2.2

2.9

0.7

0.8

PCF 1 C

PCF 2 C

16.5 1.0

19.0 1.0

■ Suitable for use in high voltage circuits for X-ray generators and

electron microscopes or power supply circuits for machine tools, etc.

■ Rated ambient temperature: +70°C

■ Operating temperature range: -40°C... +200°C

RESISTANCE TO PULSE*

The resistor mounted to the test cicuit as below is applied with

high voltage impulse 10.000 cycles.

DERATING CURVE

For resistors operated in

ambient temperature over

+70°C, power rating shall

be derated like shown in

the “DERATING CURVE”.

Protection resistor

Ambient temperature (°C)

RATING

RESISTANCE RANGE

MAX.

WORKING

VOLTAGE

MAX.

OVERLOAD

VOLTAGE

DIELECTRIC

WITHSTANDING

VOLTAGE

IMPULSE*

WITHSTANDING

VOLTAGE

T.C.R.

(ppm/K)

POWER

RATING

TYPE

E12

K( 1ꢀ0)

M( 2ꢀ0)

R < 100Ω:

-900... 300

R ≥ 100Ω:

PCF 1/2 C

0.5 W

200 V

400 V

10 kV

4.7Ω ...100kΩ 4.7Ω...100kΩ

3.3Ω ... 390kΩ 3.3Ω...390kΩ

500 V

700 V

PCF 1 C

PCF 2 C

1.0 W

2.0 W

300 V

400 V

600 V

800 V

14 kV

20 kV

-1300... 300

* Please refer to “RESISTANCE TO PULSE” circuit.

_{Rated voltage =}z_{Power rating x resistance value or max. working voltage, whichever is lower.}

EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21/89 89-0 • FAX: +49 (0) 48 21/89 89 89 • Internet: www.koaeurope.de

Revision: 20. Nov. 2010

121

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