Ch-technology SH Instrukcja Użytkownika Pobierz pdf (Strona 2)

Heatsink Encased Wirewound Power Resistors

Industrial Applications

www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50014

54 Revision: 07-Dec-06

Vishay Sfernice

FEATURES

•≤ 50 Watt at + 25 °C

• High power characteristics

• Utilize heatsink capability

• Good mechanical protection

• Industrialized product

Built for high power dissipation applications, these components have very good overall characteristics for industrial use under

harsh environmental conditions.

DIMENSIONS in millimeters

RoHS

COMPLIANT

Ø 2

Ø K

Ø P

MODEL AND

STYLE

SH5 SH10 SH25 SH50

B ± 0.2

D ± 0.2

28.5 ± 1.5

12.5

11.3

35 ± 1.5

15.9

49 ± 1.3

19.8

18.3

70.2 ± 1.4

21.4

39.7

E ± 0.5

16.3

6.8 ± 1.5

7.9 ± 1.5

11.1 ± 1.5

11 ± 1.2

G ± 1

H ± 0.7

8.5

6.2

7.9

9.9A

15.5

10.7

J ± 0.5

Ø K ± 0.1

16.4

2.4

20.6

2.4

27.5

3.2

29.4

3.2

L max.

M ± 0.5

8.9

4.3

5.6

N ± 0.3

Ø P min.

1.6

2.1

2.4

2.1

2.4

2.1

Q 25.3 ± 1.5 30.6 ± 1.5 44.6 ± 1.3 66.5 ± 1.4

Weight in g 3 8.8 16.5 30.8

ELECTRICAL SPECIFICATIONS

VISHAY SFERNICE MODEL AND STYLE SH5 SH10 SH25 SH50

Power Rating

Chassis mounted resistors: 413 cm

for SH5 and SH10

536 cm

for SH25 and SH50

25 °C 10 W 12.5 W 25 W 50 W

70 °C 8 W 10 W 20 W 40 W

Unmounted resistors at

25 °C 4 W 6 W 9 W 12 W

70 °C 3.2 W 4.8 W 7.2 W 9.6 W

Ohmic Value

0.1 Ω

3.3 kΩ

0.1 Ω

15 kΩ

0.1 Ω

33 kΩ

0.1 Ω

51 kΩ

Tolerance ± 5 %

Rated Maximum Voltage 160 V 250 V 550 V 1285 V

Dielectric Strength VRMS 800 V 1000 V 2000 V 2000 V

Insulation Resistance > 10

MΩ > 3.10

MΩ

Temperature Coefficient ± 50 ppm/°C Rn > 50 Ω

Climatic Category 55/200/56

Temperature Limits - 55 °C + 200 °C

1 2 3

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