LR Datasheet, PDF (1/3 Pages) KOA Speer Electronics, Inc. – custom milliohm resistor

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LR
Vishay Dale Thin Film
Lead (Pb)-Free Thick Film, Wraparound
Low Value Resistor (R = 0.25 )
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
CASE
SIZE
INCH
CASE
SIZE
METRIC
POWER
RATING ⁽¹⁾
P₇₀
W
LR
2512
6332
2.0
Note
(1) _{CECC 40401-802/EIA-575}
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Power rating
W
Limiting element voltage
V
Insulation voltage (1 min)
Thermal resistance
V_peak
K/W
Insulation resistance

Temperature range
°C
Weight/1000 pieces
g
2512
2.0
PxR
> 300
 45
> 10⁹
- 55 to + 125
40.5
FEATURES
• Metal glaze on high quality ceramic
• Protective overglaze
Available
• Lead (Pb)-free solder contact on Ni barrier layer
• Pure tin plating provides compatibility with lead
(Pb)-free and lead containing soldering processes e3
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
LIMITING
ELEMENT
VOLTAGE
MAX.
V
PxR
TEMPERATURE
COEFFICIENT
± ppm/°C
TOLERANCE
±%
RESISTANCE
VALUE

300
1
0.25
_DERATING
100
80
60
40
20
0
0
20
40
60 ₇₀ 80
100
125 ¹⁴⁰
Ambient Temperature in °C
PERFORMANCE
TEST
Endurance test at 70 °C
IEC 60115-1, 4.25.1
Endurance at UCT
IEC 60115-1, 4.25.3
Overload test
IEC 60115-1, 4.13
Thermal shock
IEC 60115-1, 4.19; IEC 60068-2-14
Damp heat steady state
IEC 60115-1, 4.24; IEC 60068-2-3
Resistance to soldering heat
IEC 60115-1, 4.18; IEC 60068-2-20
Note
(2) _{Limits for change of resistance at test.}
CONDITIONS OF TEST
1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”
1000 h at 125 °C without load
Short time overload for 2 s
Rapid change between upper and lower category temperature
56 days at 40 °C and 93 % relative humidity
10 s at 260 °C solder bath temperature
REQUIREMENTS ⁽²⁾
±2%
 ± 0.5 %
±1%
±1%
±2%
±1%
Revision: 24-Jul-13
1
Document Number: 20055
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000