CMA0204 Просмотр технического описания (PDF) - Vishay Semiconductors
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CMA0204 Datasheet PDF : 8 Pages
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High Pulse Load MELF Resistor
CMA 0204
Vishay Beyschlag
CMA 0204 speciality MELF resistors with advanced pulse
load capability are the perfect choice for the protection of
circuitry with signal or mains input lines from surge pulses.
The resistors are also suitable for circuits exposed to high
levels of electromagnetic interference or electrostatic
discharge. The applications are in all fields of automotive,
telecommunication, industrial and medical equipment.
FEATURES
• Special carbon film technology
• Up to 4 kV single pulse capability
• Up to 70 W continuous pulse load
• Green product, supports lead-free soldering.
APPLICATIONS
• Automotive
• Telecommunication
• Industrial
• Medical equipment
METRIC SIZES
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, Umax AC/DC
Film temperature
Max. resistance change at P70
for resistance range,
∆R/R max., after:
1000 h
8000 h
Specified lifetime
Permissible voltage against ambient (insulation):
1 minute; Uins
continuous
Failure rate
standard
55/125/56
0.25 W
125 °C
CMA 0204
RC 3715M
10 Ω to 100 kΩ
±2%
see T.C. graph
200 V
power
55/155/56
0.4 W
155 °C
10 Ω to 100 kΩ
±1%
±2%
8 000 h
±2%
±4%
300 V
75 V
≤ 1 × 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. Furthermore,
a high level of ambient temperature or of power dissipation may raise the temperature of the solder joint, hence special solder alloys or board
materials may be required to maintain the reliability of the assembly.
Document Number: 28717
Revision: 27-Feb-04
For technical questions contact: ff3bresistors@vishay.com
www.vishay.com
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