is 5786-12 (1982): fixed resistors, general purpose, low ... · indian standards institution ma-nak...

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है”ह”ह

IS 5786-12 (1982): Fixed Resistors, General Purpose, LowPower, Part XII: Resistors Type FRLP 11 [LITD 5:Semiconductor and Other Electronic Components and Devices]

.UVG 6Sl”31W8 : 6Zl”3E/’39’O38 IS: 5786(Pat XII )- 1982

( Reaffirmed 1994)

m F

.i

(

,-

inditrn Standard

SPECIFICATION FOR)(ED RESISTORS, GENERAL PURKN5E, .OW POWER

PART X11 RESISTORS TYPE FRLP

General — This standard shall be read in conjunction with IS :’5786 ( Part I )-1978 ‘Specification- fixed resistors, general purpose, low power: Part I General requirements and methods of testsW revision )‘.

Outline Drawing and Dimensions— The outline drawing and dimensions shall be accordingFig, 1 and Table I.

figfij Q

Typ\cal construction ! Metal Film, Insulated*

FIG. 1 OUTLlt4E DRAWiNG AND DIMENSIONS

I, Ratings — Ratings shall be as specified in Table 1,

Note — For ratings at temperature other than 1250(2 and 7r)”c reference should be made to the derating curvesshown in 4.

I

, Characteristics

a) Selection tolerance

b) Stability class

c) Temperature characteristic or resistance

d) Vibration

e) Shock

f)

Q)

h)

1)

k)

Acceleration

Bump

Maximum surface temperature

Climatic category

Low air pressure

+ 0’5 percent, * f percent

& 0’5 percent

+ 0.01 percent/%

10 to 2000 Hz, 200 rn(s”’, 3 x 4 hours

1 kmlsz

f km~ss

4000 bumps, 400 mlsz

175°C

65/175,%6

1 kPa

Adopted 23 June 1982I

@ February 198S, ISII

GF 3 IINDIAN STANDARDS INSTITUTIONMA-NAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

-

Style Refereaxe

Rated Dissi- __I?_._ parlo”

(1) (2)

FRLP 1 l-O.5 0’5

FRLP 11-0’25 0’25 0.5

FRLP 11-0’125 0’125 0’25

FRLP 1 l-O.1 0’1

FRLP 11-0’05 0’05

Rated Dissi- paiion

(a* F’

(3)

0’75

0.2

0.1

TABLE 1 DIMENSIONS AND RATINGS

(Clause 1 )

Dimensions, mm

L D d I

( Min )

I / ,

(4) / (5) 1 (6) 1 (7)

3’81 * 051

2’77 4 0’79

1’65 4 0’38 >

25

/ 0’60 \ 25

25

25

G’40

( > + 0’04 - O’ci5

25

Limiting Voltage V dc or I Resistance Critical ac rms

__~~ _ ~__1_1____ mange rxesasumce

At Normal Air At Low Air Pressure Pressure

(8) (9) (10)

350 245 24*& to 4’02 Ma

300 210 24’98 to 3’01 kllsz - _.

250 175 24.952 to 3’01 Msz

200 140 1oQ to 1.21 MO

200 140 1OQ to 59@kS1

(11)

245 ka

360 kQ

500 ka

400 kQ

800 kB

Note - For dimensions L the end of the body shall be that point at which the body diameter equals the nearest drill size larger than 250 percent for the nominal termination diameter.

IS : 5786 ( Part XII ) - 1982

4. Derating Curve

120

0 20 LO 60 80 100 120 1LO i60

AMBIENT TEMPERATURE (“Cl

5. Mar-king -- See 7 of IS : 5786 ( Part I )-1978.

I20

0 20 LO 60 80 100 120 lb0 160 160

AMEENI ItMF’EPATURE I”Cl

6. Rlaterial, Construction and Workmanship - See 5 of IS : 5786 ( Part I )-1978.

7. Classification of Tests - See 8.2 of IS : 5786 ( Part I )-1978.

7.1 General Conditions for Tests -See 8.1 of IS 3786 ( Part I)-1978. The same measuring set shall be used for any one test but not necessarily for all the tests.

7.1.1 The test schedule and the requirements shall be in accordance with Table 2.

TABLE 2 TEST SCHEDULE AND REQUIREMENTS

SI Test No.

(1) (2) i) All Samples

a) Visual examination

b) Dimensions

c) Resistance

d) Voltage proof

e) Insulation resistance

ii) First Group

a) Solderability

Clause Ref in IS : 5788

( Part I )-1978

Condition of Test

Requirement

(3) (4) (3)

8.4.1 - The workmanship and finish shall be satisfactory. The marking shall be legible. Materials used as coating or enclosure shall not extend by more than 2 mm along the terminal beyond the body of the resistor

34.2 - The dimensions of the resistors and their termination shall conform to’ values given in Table 1 and Fig. 1

a 3.1 - The resistance value at 25°C shall correspond with the rated resistance taking into account the tolerance

8.3.3 - There shall be no breakdown or flashover

8.3.2 - 10 000 MdZ, Min

8.4.4.1 - -

1) Visual examination 8.4.1 - There shall be no damage

(-Continued )

3

IS : 5786 ( Part XII ) - 1982

TABLE 2 TEST SCHEDULE AND REQUIREMENTS-Contd

;!I. Test Clause Ref

in IS: 5786 ( Part I )-I978

Condition of Test

(1) (2) (3)

b) Robustness of terminations 8.4.3

I) Visual examination 8.4.1

2) Resistance 6.3.1

c) Noise 6.3.8

d) Bump* 8.4.6

8.4.1

8.3.1

4 Vibration* 8.4.5

1) Visual examination 8.4.1

2) Resistance 8.3;1

f) Shock* 8.4.7


2) Resistance 8.3.1

9) Acceleration* ( steady state )

1) Visual examination

2) Resistance

6.4.8 1 km/r? -.

8.4.1

8.3.1

i-4 Rapid change of temperature 8.5.3


2) Resistance a 3.1

1) Climatic sequence

I) Dry heat

8.5.1

8.5.1.2

8.5.1.3

8.4.1

8.5.1.4


2) Resistance

2) Damp heat (accelerated ) first cycle

i) Visual examination

3) Cold

i) Visual examination 8.4.1

4) Low air pressure 8.5.1.5

5) Damp heat (accelerated) remaining cycles

i) Visual examination

ii) Voltage proof

%.5.1.6 - -

8.4.1

8.3.3

iii) Insulation resistance 8.3.2

iv) Resistance 8.3.1

(4)

-

-

Applicable to resistors having the rated values above 1OOg

4 000 bumps, 400 m/s.’

-

IO to 2 000 Hz, 200 m/s’, duration 3 x 4 hours

- -

1 km/s*

-

-

- -

-

- -

-

Requirement

-

There shall be no damage

Change in resistance value shall not exceed f (0’2 percent + WOlD )

The noise level in a decade of frequency should not exceed 0*2pV/V

-


Change in resistance value shall not exceed f (0’2 percent + O’Ola )

-


Change in resistance value shall not exceed f (0.2 percent + O*OlD )

-


Change In resistance value shall not exceed & (0’2 percent +O.OlP )


Change in resistance value shall not exceed f (0’2 percent + O*OlQ )

-


Change in resistance value shall not exceed f ( 0’2 percent + 0’0161)

-

At maximum category temperature ( + 175’C )

One cycle

-

-

Two hours at minimum category temperature ( - 65°C )

Degree of severity: 1 kPa ( approximate altitude 30 000 m ). The voltage shall be a.pplied between terminations

-

(5)


-


There shall be no breakdown or flashover


There shall be no breakdown or flashover

100 MD, Min

The change in resistance value shall not exceed Z!Z (0’4 percent +O,OlD)

*Throughout the test, the resistors shall be connected to a suitable monitoring device to determine electrical dhcontinuity. It is desirable that the detecting equipment shall detect any interruption of 0’1 millisecond or greater duration.

( Contlnued)

4

I

1s : 5766 ( Part XII) - 1982 II

TABLE 2 TEST SCHEDULE AND REQlJltiEMENTS - Contd \.’

v

SI No. ”

Test Clause Ref in IS : 5786

( Part k)-1979

Condition of Test

: Requirement

(1) _ (2)

iii) Second Group

a) Damp heat ( long term )

1) Working Test

(3) (4)


3) Voltage proof

3.411

3.3.3

4) Insulation resistance 8.6.2

5) Resistance 3.3.1

t b) Solderability


’ iv) Thiid Group a) Endurance

I> Visual examination

2) Resistance

8.4.4.1

3.4.1

3.6.3

8.4.1

3.3.1

3) Insulation resistance

b) Flammability

v) Fourth Group a) Overload (short term)

6.3.2

816.4

8.3.6 2.5 times the rated voltage subject to a maximum overload of twice

J voltage the limiting

shall be


2) Resistance

vi) Fifth Group a) Resistance to solvents

b) Resistance to soldering heat,


2) Resistance

vii) Sixfh Group

a) Voltage co-efficient

b) Third harmonic distortion

c) Temp@rature characteristic of resistance

d) Temperature-rise (applicable to resistors of critical value and below )

e) Salt mist


2) Resistance

8.,3.7.1

3.3.7.2

8.3.4

6.3.5

8.6.2

8.4.1

8.3.1

3) Insulation resistance 8.3.2

8.5.2

-

-

Within 15 mi;r;tms after removal the chamber, the speci- mens shall be loaded for rated dissipation for 1 minute. Where the resistance is such that the rated dissipation cannot be applied, the limiting voltage shall be used

- -

-

- -

At + 125O.C

-

6.4.1

8.3.1

8.6.5

8.4.4.2

8.4.1

8.3.1

appl.i$d for a period of five seconds

-

- -

Applicable to resistors of 1 knand above

-

-

(5)

There shall be no breakdown or flash-


There shall be no breakdown or flashover

100 hln, Min

The change in resistance value shall , 7 not exceed f (0’4 percent +O’Oln )

-

There shall be no damage _.


The change in resistance value shall not exceed f ( 0’5 percent +O*Ola )

1000 M& Min

As specified in IS : 5736~( Part I )-I?78 ,

- 0


The~change in resistance value shall not exceed f ( 0’2 percent + O’OIQ )


The change in resistance value shall not exceed f (0’1 percent + 0’018)

50 ppmlv

Better than 60 dB (for information only ) f 0’01 percent/YZ

Temperature-rise shall not exceed 50°C for 125°C rating and 105°C for 70°C rating

-

There shall be no damage’

The change in resistance value shall not exceed f 10’0 percent

1000 MQ, Min

5

Printed at Arcee Press, New Delhi, India

is 5786-12 (1982): fixed resistors, general purpose, low ... · indian standards institution ma-nak...

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