248FGJFXBO50502ML [VISHAY]

RES,TAPPED,CONDUCTIVE PLASTIC,5K OHMS,20% +/-TOL,-1000,1000PPM TC,5030 CASE;


型号：	248FGJFXBO50502ML
厂家：	VISHAY
描述：	RES,TAPPED,CONDUCTIVE PLASTIC,5K OHMS,20% +/-TOL,-1000,1000PPM TC,5030 CASE PC 电阻器
文件：	总3页 (文件大小：74K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

248, 249

Vishay Spectrol

1/2" (12.7 mm) Conductive Plastic & Cermet

Potentiometers

FEATURES

• Model 248/249 retains the proven high

performance characteristics in a more cost

effective package

RoHS

COMPLIANT

• Cost effective panel potentiometers

• P.C.B. mounting potentiometers

DIMENSIONS in millimeters (inches)

METAL OR PLASTIC SHAFTS

X = STANDARD LEADS

SCREWDRIVER SLOT SHOWN IN MID

ELECTRICAL TRAVEL

22.22 (0.875) 0.75

MOUNTING

SURFACE

12.7 (0.500) 0.4

7.6 (0.300) 0.4

0.8 (0.30) WIDE × 0.8 (0.03) DEEP

9.5 (0.375)

0.0

Ø 6.35 (0.250) - 0.05

12.7 (0.500) 0.4

3/8" - 32 NEF - 2A

5.08 (0.200) 0.25

0.5 (0.020)

0.36 (0.014)

0.41 (0.016)

6.9 (0.272)

MARKING -

MODEL & RESISTANCE

DATA CODE

2.54 (0.100) 0.25

METAL SHAFT

1/4" - 32 NEF - 2A

VISHAY

Ø 3.18 (0.125) 0.025

9.5 (0.375)

19.05 (0.750) 0.75

TERMINAL

PINS × 3

E = REAR STAND OFF

D = REAR LOCATING LUGS

P.C. BOARD

SURFACE

6.76

(0.266)

3.18

(0.125)

3.14

12.70

MTGLUG CI.

8.5

0.36

2.54

1.0 TYP

2.55 TYP

10.16

Tolerance unless otherwise

specified 0.5

Document Number: 57054

Revision: 02-Jul-07

For technical questions, contact: sfer@vishay.com

www.vishay.com

111

248, 249

1/2" (12.7 mm) Conductive Plastic & Cermet

Potentiometers

Vishay Spectrol

ELECTRICAL SPECIFICATIONS

PARAMETER

MODEL 248

MODEL 249

Element Type

conductive plastic

cermet

Total Resistance Range

Resistance Tolerance

Power rating

500 Ω to 1 MΩ

20 ꢀ

20 ꢀ (on request 10 ꢀ)

1.0 W at 70 °C

0.5 W at 70 °C

Both derated to zero at 125 °C

1000 ppm/°C

Temperature Coefficient of Resistance

Linearity Tolerance

Contact Resistance Variation

Insulation Resistance

Dielectric Strength

End Resistance

100 ppm/°C

5 ꢀ Independent

5 ꢀ of the Total Resistance

1000 MΩ minimum, 500 VDC

750 V_RMSminimum 50/60 Hz

2 Ω maximum each end

265° 5°

Effective Electrical Angle

MECHANICAL SPECIFICATIONS

ENVIRONMENTAL SPECIFICATIONS

Rotation

Torque

295° 5°

Temperature Range

Shock

- 55 °C to + 125 °C

390 meters/sec/sec.

1000 bumps

98 meters/sec/sec.

0.75 mm, 10 to 500 Hz

25 000 cycles

Starting and Running

1.5 to 18.75 mNm

0.35 Nm (50 oz-in)

8.3 g’s (0.29 oz)

(1/4" × 7/8" FMF metal shaft)

0.50 Nm (1/4" Bush)

0.70 Nm (3/8" Bush)

IP50

End Stop Torque

Weight

Vibrations

Rotational Life (Electrical)

Load Life at 70 °C

Max Tightening Torque

Sealing

1000 hours

STANDARD RESISTANCE ELEMENT DATA

PACKAGING

500R, 1K, 2K, 5K, 10K, 25K, 50K, 100K, 250K,

500K, 1M

Carton box of 50, code: BO50

248/249:

MARKING

Unit identification: Manufacturer’s name and model number, EIA resistance value coding, tolerance, data code and terminal

Identification.

ORDERING INFORMATION

103

248

MODEL

LEAD FINISH

SPECIAL FEATURES

SHAFT OPTIONS

FMF SHAFT OPTIONS

EIA RESISTANCE CODE

248/249

D: Rear locating lugs

E: Rear stand off

J: CW audio taper

7: 6.35 (1/4") plastic

8: 3.18 (1/8") plated

brass

9: 6.35 (1/4") plated

brass

08: 19.05 (3/4") for

3.18 (1/8") plated brass

10: 22.22 (7/8") for

6.35 (1/4") plated brass

or plastic versions

e3: pure Sn

Example: 248 - JE - 8 - 08 - 103

SAP PART NUMBERING GUIDELINES

OHMIC VALUE/TOL/LAW

PACKAGING

SHAFT

SHAFT LEADS

MATERIAL

BUSHING

MODEL

SPECIAL

See the end of this data book for conversion tables

www.vishay.com

112

For technical questions, contact: sfer@vishay.com

Document Number: 57054

Revision: 02-Jul-07

Legal Disclaimer Notice

Vishay

Disclaimer

All product specifications and data are subject to change without notice.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf

(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein

or in any other disclosure relating to any product.

Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any

information provided herein to the maximum extent permitted by law. The product specifications do not expand or

otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed

therein, which apply to these products.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this

document or by any conduct of Vishay.

The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless

otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such

applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting

from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding

products designed for such applications.

Product names and markings noted herein may be trademarks of their respective owners.

Document Number: 91000

Revision: 18-Jul-08

www.vishay.com

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