234AS300JDS datasheet, PDF - EEWORLD Datasheet

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234AS300JDS: DescriptionFixed Resistor, Ceramic Composition, 3W, 30ohm, 2500V, 5% +/-Tol,; CategoryPassive components The resistor; File Size195KB，4 Pages; ManufacturerKanthal

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234AS300JDS Overview

Fixed Resistor, Ceramic Composition, 3W, 30ohm, 2500V, 5% +/-Tol,

234AS300JDS Parametric

Parameter Name	Attribute value
Maker	Kanthal
Reach Compliance Code	unknown
structure	Cylindrical
Lead diameter	0.81 mm
Lead length	34.9 mm
Maximum operating temperature	230 °C
Minimum operating temperature	-55 °C
Package diameter	7.9 mm
Package length	28.6 mm
Package shape	CYLINDRICAL PACKAGE
Package form	Axial
method of packing	Bulk
Rated power dissipation(P)	3 W
resistance	30 Ω
Resistor type	FIXED RESISTOR
series	200
technology	CERAMIC COMPOSITION
Tolerance	5%
Operating Voltage	2500 V

234AS300JDS Preview

SERiES 100 & 200

AxiAL LEAdEd RESiSTORS

kanthal globar

Series 100 & 200 Axial Leaded Non-Inductive Bulk Ceramic Resistors

provide excellent performance where high peak power or high-energy pulses must be

handled in a small size. The advantage of the bulk construction is that it produces an

inherently non-inductive resistor; and it allows energy and power to be uniformly dis-

tributed through the entire ceramic resistor body — there is no film or wire to fail. We

offer a full line of rugged, reliable ceramic resistors — including custom designs.

Two distinctly different ceramic materials are available in each size to afford the designer

with unique components to meet the most demanding requirements:

Type SP

resistors are composed of

materials that withstand high operating

temperatures resulting in high power

dissipation. Maximum continuous oper-

ating temperature is specified at 350°C.

This type is suitable for use in oil without

an oil-resistant coating.

Type AS

resistors are best suited for high

energy and voltage pulse applications.

Maximum continuous operating tempera-

ture is specified at 230°C. The standard

dielectric coating is recommended for use

in air, and the oil-resistant coating is

recommended for use in oil.

•

Non-inductive “bulk ceramic”

resistor

•

Uniform distribution of energy

throughout resistor body

•

Replacement of Carbon

Composition Resistors

•

Large peak energy

in small size

•

High power dissipation

(Type SP)

•

High voltage and energy

absorption (Type AS)

•

Through-hole or

post mountable

Typical Applications

Series 100 & 200 resistors are ideal for applications such as:

• Soft Start/In-rush Limiters

• RC Snubber Circuits

• Spark-Gap Limiters

• Parasitic Suppression

• High Voltage Power Supplies

• Pulse Waveform

• EMI/EFI Test Circuits

As alternatives

to hard to find carbon composition resistors, Globar resistors can be

used as drop-in replacements for 1 and 2 watt sizes. Much larger sizes, up to 70 watts

in a single component, are available for new or re-designs where an array of smaller

resistors may have been previously required.

Ordering information

Part Numbering System

Example Part number: 102aS101kDS 102aS 101 k DS

Construction type

resistance Value (Ω)

For ≥ 10 Ω: First 2 digits

are significant figures, third

digit is number of zeros to

follow, e.g. 101 = 100 Ω

For < 10 Ω An R replaces

the decimal point,

e.g. 7R5 = 7.5 Ω

resistance tolerance

J = + 5%

K = + 10%

L = + 20%

terminal End options

SP No Suffix = Standard

Includes aluminum metalization

under caps/leads.

dS = Standard

Includes dielectric coating

and silver metalization

under caps/leads.

= Oil resistant coating.

Packaging: Bulk in poly bags is standard.

Tape & Reel is also available.

SPECiFiCATiONS

1.375” (34.9 mm) Minimum

#20 AWG Tinned Copper

Average (1)

Power Rating,

@ 40°C Amb.,

Watts

1.5

2.5

8.5

3.5

Rated (2)

Peak

Energy,

Joules

170

275

260

400

600

900

1,200

1,800

150

1,900

155

2,900

240

3,000

250

4,600

380

Rated (3)

Peak

Current,

Amps

350

150

550

150

550

190

700

190

700

150

550

190

700

150

550

190

700

150

550

190

700

150

550

190

700

Typical(4)

Resistor

Body Weight,

Grams

0.44

1.2

1.9

1.5

3.0

2.4

3.8

6.0

4.8

7.6

12.0

9.6

11.4

18.0

14.4

17.1

27.0

21.6

Body Size

Resistance

Range,

Ohms

25 – 6,350

1 – 1,000

6 – 1,800

1 – 120

12 – 3,000

1 – 330

4 – 1,200

1 –150

8 – 2,300

1 – 330

30 – 9,000

1 – 700

20 – 5,800

1 – 460

55 – 18,000

2 – 1,500

36 – 12,000

2 – 1,000

90 – 30,000

3 – 2,400

60 – 20,000

2 – 1,600

150 – 48,000

4 – 3,800

100 – 32,000

3 – 2,500

dia. (d)

Max.

in. (mm)

0.2 (5.1)

0.31 (7.9)

0.44 (11.1)

0.31 (7.9)

0.44 (11.1)

0.31 (7.9)

0.44 (11.1)

0.31 (7.9)

0.44 (11.1)

0.31 (7.9)

0.44 (11.1)

Length (L)

Max.

in. (mm)

0.75 (19.1)

1.125 (28.6)

0.75 (19.1)

1.125 (28.6)

2.125 (54.0)

4.125 (104.8)

6.125 (155.6)

9.125 (231.8)

Rated (2)

Peak

Voltage

1,500 V

375 V

1,100 V

375V

2500 V

500 V

1,500 V

375 V

2,500 V

500 V

3,000 V

1,000 V

3,000 V

1,000 V

9,000 V

3,600 V

9,000 V

3,600 V

15,000 V

5,000 V

15,000 V

5,000 V

25,000 V

8,800 V

25,000 V

8,800 V

231AS

231SP

233AS

233SP

234AS

234SP

250AS

250SP

251AS

251SP

102AS

102SP

252AS

252SP

104AS

104SP

254AS

254SP

106AS

106SP

256AS

256SP

109AS

109SP

259AS

259SP

1. Rated Power: De-rate linearly to 0 Watts at 230°C for Type AS. De-rate linearly to 0 Watts at 350 °C for Type SP.

2. Allowable peak energy/voltage will depend on the resistance value and pulse width. Energy ratings are based on pulse

< 10 milliseconds. Type SP rating can be substantially greater for longer pulses. Consult Kanthal Globar.

3. Peak Current Ratings presume energy approaching rated peak energy values. Allowable current can be higher for lower

energy values. Consult Kanthal Globar.

4. Excludes caps/leads and coating.

Characteristics

Operating Temperature (1)

Resistance Temperature Coefficient

Voltage Coefficient

Max. % per kilovolt per inch active length

Short Time Overload

Max. % change after 10 cycles of 1000% rated power

5 sec. On, 90 sec. Off

Load Life

Max. % change after 1000 hrs. at rated power

Thermal Shock

Max. % change after 10 cycles -55˚C to +125˚C

Moisture Resistance

Max. % change when tested per MIL-STD-202, Method 103

Type SP

-55˚C to +350˚C

+ 0.2 to - 0.08 %/˚C

-1.0%

+ 5%

Type AS

-55°C to +230˚C

+ 0.0 to - 0.08 %/˚C

-1.0%

+ 2%

+ 5%

+ 3%

+ 5%

+ 3%

+ 5%

(1)

Note:

When required, Type SP material can withstand short periods of use

at red-heat conditions, i.e. up to 550 to 600°C

Typical Physical Properties:

Density

Specific Heat

Thermal Conductivity

SP Resistors

2.2 - 2.4 gm/cc

0.24 - 0.26 cal/gm˚C

AS Resistors

2.2 - 2.6 gm/cc

0.23 - 0.25 cal/gm˚C

0.14 - 0.16 cal/cm -˚C - sec 0.003 - 0.006 cal/cm -˚C - sec

120

100

% of Rated Power

100

TYPE AS

Power Rating Curves

TYPE SP

350˚C

230˚C

200

Ambient Temperature, ˚C

300

400

Power ratings are based on maximum allowable surface temperature in still

air at 40˚C ambient temperature.

495 Commerce Drive, Suite 7

Amherst, NY 14228-2311

Toll Free: 877-GLOBAR-2 (877-456-2272)

Phone: 716-691-4010

Fax: 716-691-7850

e-mail: sales.globar

kanthal.com

Internet: www.globar.com

Form # AXIAL 09/07

Printed in U.S.A.

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