4818P(2003) Просмотр технического описания (PDF) - Bourns, Inc

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Компоненты Описание

производитель

4818P
(Rev.:2003)

Thick Film Surface Mounted Medium Body

Bourns, Inc 

*RoHS VCEOARMVSAPIOILLINAASBNLTE

Features

■ Lead free versions available (see How to

Order “Termination” option)

■ RoHS compliant (lead free version)*

■ Standard E.I.A. package compatible with

automatic placement equipment

■ Tape and reel packaging standard

■ Custom circuits are available

■ Marking on contrasting background for

permanent identification

■ Compliant leads to reduce solder joint

fatiguing

■ Standard electrical schematics: isolated,

bussed, dual terminator

■ Now available with improved tolerance

to ±0.5 %

4800P Series - Thick Film Surface Mounted Medium Body

Product Characteristics

Resistance Range

.....................10 ohms to 2.2 megohms

Maximum Operating Voltage............50 V

Temperature Coefficient of Resistance

50 ohms and above.........±100 ppm/°C

below 50 ohms................±250 ppm/°C

TCR Tracking

(for equal values within a package)

..50 ppm/°C max. for values > 50 ohms;

........100 ppm/°C for values ≤ 50 ohms

Operating Temperature

.................................-55 °C to +125 °C

Insulation Resistance

..........................10,000 megohms min.

Dielectric Withstanding Voltage

.............................................200 VRMS

Lead Solderability

.....Meet requirements of MIL-STD-202

Method 208

Environmental Characteristics

TESTS PER MIL-STD-202 ........∆R MAX.

Short Time Overload..................±0.25 %

Load Life ....................................±1.00 %

Moisture Resistance ..................±0.50 %

Resistance to Soldering Heat ....±0.25 %

Thermal Shock...........................±0.25 %

Physical Characteristics

Flammability .........Conforms to UL94V-0

Lead Frame Material

..........................Copper, solder coated

Body Material....................Thermoplastic

How To Order

48 16 P - 1 - 103 __ __

Model

(48 = SOM Pkg)

Number of Pins

Electrical Configuration

• 1 or 4 = Isolated*

• 2 = Bussed*

• 3 = Dual Terminator*

Resistance Code

• First 2 digits are significant

• Third digit represents the

number of zeros to follow.

Resistance Tolerance

• Blank = ±2 % (see “Resistance Tolerance” on

next page for resistance range)

• F = ±1 % (100 ohms - 1 megohm)

• D = ±0.5 % (100 ohms - 1 megohm)

Terminations

• All electrical configurations EXCEPT T03:

LF = Tin-plated (lead free)

• ONLY electrical configuration T03:

L = Tin-plated (lead free)

• Blank = Tin/Lead-plated

*For tube packaging, use T01, T02, T03 or T04.

Consult factory for other available options.

Package Power Temp. Derating Curve

1.6

4820P

4818P

1.4

4816P

1.2 4814P

1.0

.8

.6

.4

.2

0

25

70

125

AMBIENT TEMPERATURE ( ° C )

Package Power Rating at 70 °C

4814P......................................1.12 watts

4816P......................................1.28 watts

4818P......................................1.44 watts

4820P......................................1.60 watts

Typical Part Marking

PART NUMBER

RESISTANCE

CODE

4816P-1

-330

YYWW

CIRCUIT

DATE CODE

PIN ONE

INDICATOR

MANUFACTURER'S

TRADEMARK

Recommended Land Pattern

1.27 TYP.

(.050)

.63 TYP.

(.025)

2.0 TYP.

(.079)

1 20

2 19

3 18

4 17

5 16

6 15

7 14

8 13

9 12

10 11

SOM-14

8.26

(.325)

SOM-16

9.53

SOM-18

10.80

SOM-20

(.375) (.425) 12.07

(.475)

8.9

(.350)

4.9

(.193)

NOTE: Land pattern dimensions are based on

design rules established by the Institute for Inter-

connecting and Packaging Electronic Circuits in

IPC-SM-782.

Product Dimensions

5.59 ± .12

(.220 ± .005)

7.62 ± .25

(.300 ± .010)

12.45 ± .12

(.490 ± .005)

9.91 ± .12

(.390 ± .005)

.432

(.017

±

±

.076

.003)

TYP.

13.72 ± .12

(.540 ± .005)

11.18 ± .12

(.440 ± .005)

1.27 ± .076

(.050 ± .003*)

TYP.

.13 + .12/ - .00

(.005 + .005/ - .000)

2.03 ± .12

(.080 ± .005)

R = .008" TYP.

.305 + .000/ - .101

(.012 + .000/ - .004)

8° MAX.

.611 ± .101

(.024 ± .004)

Lead coplanarity .102mm (.004 inch) max. at mounting surface.

Governing dimensions are in metric. Dimensions in parentheses

are inches and are approximate.

*Terminal centerline to centerline measurements made at point of

emergence of the lead from the body.

For Standard Values Used in Capacitors,

Inductors, and Resistors, click here.

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

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