Datasheet > 230634403919

230634403919

更新时间： 2024-09-17 19:36:03

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威世 - VISHAY		/
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数据手册

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230634403919 数据手册

SMW, SMF

Vishay Phoenix

Wirewound/Metal Film Resistors,

Commercial Power, Vertical Mount

FEATURES

• High power dissipation in small volume

• Ideal for pulsing applications

• Stand-up mounting saves space on PCB

• High heat and moisture resistance

TECHNOLOGY

SMW: The resistor element is a resistive wire, which is wound in a single layer on a ceramic rod. Metal caps are pressed over

the rod. The ends of the resistive wire and the leads are connected to the caps by welding.

SMF: The resistor element is a metal film resistor consisting of a metal layer deposited over a high-grade ceramic rod. Metal

caps are pressed over the rod. The leads are connected to the caps by welding.

For both SMW and SMF, the resistor body and lead ends are housed within a rectangular ceramic case which is non-flammable,

will not melt even at high overloads and is resistant to most commonly used cleaning solvents, in accordance with MIL-STD-202,

method 215 and IEC 60 068-2-45. A special version with a thermal fuse for surge and inrush current protection is available upon

request.

STANDARD ELECTRICAL SPECIFICATIONS

POWER RATING

E-SERIES

Decade

Values

RESISTANCE RANGE ⁽¹⁾

TOLERANCE ⁽²⁾

MODEL

P_{70 °C}

SMW02

SMF02

SMW03

SMF03

SMW05

SMF05

SMW07

SMF07

SMF10

0.1 - 200

220 - 47K

0.1 - 560

620 - 47K

0.1 - 560

620 - 47K

0.1 - 1.5K

100 - 51K

0.47 - 1.5K

7 at 25 °C

10 at 25 °C

Notes:

⁽¹⁾Special resistance values available upon request

⁽²⁾Other tolerances available upon request

TECHNICAL SPECIFICATIONS

SMF02/

SMF03

PARAMETER

UNIT

SMW

SMF05

SMF07

1000

Limiting Voltage

P x R

500

750

Insulation Voltage

> 2000

R < 10 Ω: 0 to + 600;

R ≥ 10 Ω: - 80 to + 140

Temperature Coefficient ⁽³⁾

Operating Temperature

ppm/°C

250

°C

- 40 to + 200

Short Time Overload

10 x rated power for 5 seconds

Note:

⁽³⁾Temperature Coefficient of 20, 30, 50 or 90 ppm/ºC available on request

www.vishay.com

For technical questions, contact: ww2aresistors@vishay.com

Document Number: 30248

Revision: 04-Oct-07

12 3 4 5 6

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