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Numéro de référence | 232219314821 | ||
Description | Power Metal Film Resistors | ||
Fabricant | Vishay Intertechnology | ||
Logo | |||
www.DPatRaSh0ee1t4/U0.c2om/03
Vishay BCcomponents
Power Metal Film Resistors
FEATURES
• High power in small packages (1 W/0207 size to
3 W/0617 size)
• Different lead materials for different applications
• Defined interruption behaviour
• Lead (Pb)-free solder contacts
• Pure tin plating provides compatibility with lead (Pb)-free
and lead containing soldering processes
• Compatible with “Restriction of the use of Hazardous
Substances” (RoHS) directive 2002/95/EC (issue 2004)
APPLICATIONS
• All general purpose power applications
A homogeneous film of metal alloy is deposited on a high
grade ceramic body. After a helical groove has been cut in
the resistive layer, tinned connecting wires of electrolytic
copper or copper-clad iron are welded to the end-caps. The
resistors are coated with a red, nonflammable lacquer which
provides electrical, mechanical and climatic protection. This
coating is not resistant to aggressive fluxes. The
encapsulation is resistant to all cleaning solvents in
accordance with “MIL-STD-202E, method 215”, and
“IEC 60068-2-45”.
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance range2)
Resistance tolerance and series
Maximum dissipation at Tamb = 70 °C:
R<1Ω
1Ω≤R
Thermal resistance (Rth)
Temperature coefficient
Maximum permissible voltage
Basic specifications
Climatic category (IEC 60068)
Stability after:
load
climatic tests
soldering
PR01
0.22 Ω to 1 MΩ
0.6 W
1W
135 K/W
350 V
VALUE
PR02
Cu-lead
FeCu-lead
0.33 Ω to 1 MΩ
1 Ω to 1 MΩ
PR03
Cu-lead
FeCu-lead
0.68 Ω to 1 MΩ
1 Ω to 1 MΩ
± 1 % (E24, E96 series); ± 5 % (E24 series); see note 1
1.2 W
−
2 W 1.3 W
75 K/W
115 K/W
≤ ± 250 × 10-6/K
500 V
IEC 60115-1 and 60115-4
55/155/56
1.6 W
3W
60 K/W
750 V
−
2.5 W
75 K/W
ΔR max.: ± (5 % R + 0.1 Ω)
ΔR max.: ± (3 % R + 0.1 Ω)
ΔR max.: ± (1 % R + 0.05 Ω)
Notes
1. 1 % tolerance is available for Rn-range from 1 R upwards.
2. Ohmic values (other than resistance range) are available on request.
3. R value is measured with probe distance of 24 ± 1 mm using 4- terminal method.
www.vishay.com
98
For technical questions, contact: [email protected]
Document Number: 28729
Revision: 14-Aug-06
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Pages | Pages 16 | ||
Télécharger | [ 232219314821 ] |
No | Description détaillée | Fabricant |
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