crcw2512-37 Vishay, crcw2512-37 Datasheet - Page 4

• Manufacturer Part Number: crcw2512-37
• Description: Lead Pb -bearing Thick Film, Rectangular Chip Resistors
• Manufacturer: Vishay

Document Number: 20044
Revision: 28-May-08
TEST PROCEDURES AND REQUIREMENTS
TEST (clause)
Resistance
(4.5)
Temperature coefficient
(4.8.4.2)
Overload
(4.13)
Solderability
(4.17.5)
Resistance to soldering heat (4.18.2)
Rapid change of temperature (4.19)
Damp heat, steady state
(4.24)
Climatic sequence
(4.23)
Endurance at 70 °C
(4.25.1)
Extended endurance
(4.25.1.8)
Endurance at upper category temperature
(4.25.3)
APPLICABLE SPECIFICATIONS
• EN 60115-1
• EN 140400
• EN 140401-802
• IEC 60068-2-X
• IEC 60286-3
Lead (Pb)-Bearing Thick Film, Rectangular Chip Resistors
Generic Specification
Sectional Specification
Detail Specification
Variety of environmental test procedures
Packaging of SMD components
For technical questions, contact: [e-mail]
Stability for product types:
16 h at UCT = 125 °C; 1 cycle at 55 °C;
U = U
U = U
30 min at UCT = 125 °C; 5 cycles
solder bath method; 235 °C; 2 s
Duration: according the style
Aging 4 h at 155 °C, dryheat
Duration extended to 8000 h
1 h/1 kPa at 15 °C to 35 °C;
CONDITIONS OF TEST
30 min at LCT = - 55 °C;
max.
max.
(260 ± 5) °C; (10 ± 1) s
UCT = 125 °C; 1000 h
U = 2.5 x (P
1.5 h ON; 0.5 h OFF;
(40 ± 2) °C; 56 days;
2 h at LCT = - 55 °C;
Solder bath method;
visual examination
20/- 55/20 °C and
5 cycles at 55 °C
; whichever is less severe
; whichever is less severe
U = (P
U = (P
(93 ± 3) % RH
70 °C; 1000 h
20/125/20 °C
EN 60115-1
≤ 2 x U
70
70
-
× R)
× R)
max.
70
x R)
;
1/2
1/2
1/2
CRCW....-37
Good tinning (≥ 95 % covered)
± (0.25 % R + 0.05 Ω)
± (0.25 % R + 0.05 Ω)
± (0.25 % R + 0.05 Ω)
± (1 % R + 0.05 Ω)
± (1 % R + 0.05 Ω)
± (1 % R + 0.05 Ω)
± (1 % R + 0.05 Ω)
REQUIREMENTS
no visible damage
± (2 % R + 0.1 Ω)
5.1 Ω to 10 MΩ
OR BETTER
± 200 ppm/K
STABILITY
CLASS 2
± 10 %
CRCW....-37
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