UMA0204 Datasheet, PDF (1/8 Pages) Vishay Siliconix – Ultra Precision MELF Resistor

Ultra Precision MELF Resistor
UMA 0204
Vishay Beyschlag
UMA 0204 ultra precision thin film MINI-MELF resistors
combine the proven reliability of professional MELF products
with a most advanced level of precision and stability first
achieved with axial thin film ultra precision resistors. This
unique combination makes the product perfectly suited for all
applications with outstanding requirements towards reliable
precision and stability.
FEATURES
• Most advanced thin film technology
• T.C.R. down to ± 5 ppm/K
• Ultra precision tolerance down to 0.02 %
• Superior overall stability
• Green product, supports lead-free soldering
• Approved according to EN 140401-803.
APPLICATIONS
• Measuring and calibration equipment
• Industrial process control systems
• Space and aircraft electronics
METRIC SIZE
DIN:
CECC:
0204
RC 3715M
TECHNICAL SPECIFICATIONS
DESCRIPTION
Metric CECC size
Resistance range
Resistance tolerance
Temperature coefficient
Operation mode
Climatic category (LCT/UCT/days)
Rated dissipation, P₇₀₍₁₎
Operating voltage, U_max AC/DC
Film temperature
Max. resistance change at P₇₀
for resistance range,
∆R/R max., after:
1000 h
8000 h
225000 h
Specified lifetime
Permissible voltage against ambient (insulation):
1 minute; U_ins
continuous
Failure rate
UMA 0204
RC 3715M
22 Ω to 332 kΩ
± 0.25 %; ± 0.1 %; ± 0.05 %; ± 0.02 %
± 15 ppm/K; ± 10 ppm/K; ± 05 ppm/K
precision
standard
10/85/56
55/125/56
0.07 W
0.25 W
200 V
85 ˚C
125 ˚C
22 Ω to 332 kΩ
≤ 0.02 %
≤ 0.05 %
≤ 0.15 %
225000 h
≤ 0.05 %
≤ 0.1 %
≤ 0.3 %
300 V
75 V
≤ 0.7 × 10^-9/h
Note
1. The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heatflow support of the
printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is not exceeded.
Document Number: 28715
Revision: 25-Feb-04
for technical questions contact: [e-mail]
www.vishay.com
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