AC01 datasheet(21/22 Pages) YAGEO

21 / 22 page

1998 Nov 18

Philips Components

Product speciﬁcation

Cemented wirewound resistors

AC01/03/04/05/07/10/15/20

4.23

climatic sequence:

4.23.2

dry heat

16 hours; 200

°C

4.23.3

damp heat

(accelerated)

1st cycle

24 hours; 55

°C; 95 to 100% RH

4.23.4

cold

2 hours;

−40 °C

4.23.5

low air pressure

1 hour; 8.5 kPa; 15 to 35

°C

4.23.6

damp heat

(accelerated)

remaining cycles

5 days; 55

°C; 95 to 100% RH

∆R/R max.: ±1% + 0.05 Ω

4.24.2

3 (Ca)

damp heat

(steady state)

56 days; 40

°C; 90 to 95% RH;

dissipation

≤0.01 Pn

no visible damage

∆R/R max.: ±1% + 0.05 Ω

4.8.4.2

temperature

coefﬁcient

at 20/

−40/20 °C, 20/200/20 °C:

R<10

Ω

≤±600 × 10−6/K

≥ 10 Ω−80 × 10−6 ≤ TC

≤ +140 × 10−6/K

temperature rise

horizontally mounted, loaded with Pn

hot-spot temperature less

than maximum body

temperature

4.13

short time overload

room temperature; dissipation 10

× P

5 s (voltage not more than

1000 V/25 mm)

∆R/R max.: ±2% + 0.1 Ω

4.25.1

endurance (at 40

°C) 1000 hours loaded with P

1.5 hours on and 0.5 hours off

no visible damage

∆R/R max.: ±5% + 0.1 Ω

4.25.1

endurance (at 70

°C) 1000 hours loaded with 0.9 P

1.5 hours on and 0.5 hours off

no visible damage

∆R/R max.: ±5% + 0.1 Ω

4.23.2

27 (Ba)

endurance at upper

category temperature

1000 hours; 200

°C; no load

no visible damage

∆R/R max.: ±5% + 0.1 Ω

IEC

60115-1

CLAUSE

IEC

60068

TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS

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