
SURFACE MOUNT
www.vishay.com
63
K / M
Vishay Thin Film
Document Number: 60029
Revision 03-May-01
SURFACE MOUNT
CHIPS
VISHAY THIN FILM • FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 • GERMANY +49.9287.710 FAX: +49 9287.70435 • ISRAEL +972.3.557.0945 FAX: +972.3.558.9121
• ITALY + 39.2.300.11919 FAX: +39.2.300.11999 • JAPAN +81.42.729.0661 FAX: +81.42.729.3400 • SINGAPORE +65.788.6668 FAX: +65.788.0988
• SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 • UK +44 191 514 8237 FAX: +44 1953 457 722 • USA: (610) 407-4800 FAX: (610) 640-9081
FEATURES
• Wraparound terminations featuring a high temperature
thin film adhesion layer covered with a leach resistant
nickel barrier layer for + 150°C operating conditions
• Established reliability: “R” failure rate level
• High purity alumina substrate for high power dissipation
• Ruthenium-based cermet thick film for dependable
performance
• Fired-on glass passivation
• Complete MIL testing available in-house
• Antistatic waffle pack or tape and reel packaging
available
QPL MIL-PRF-55342 Qualified Thick Film Chip Resistors
CONSTRUCTION
Thick Film MIL chip resistors feature an all sputtered
wraparound termination for excellent adhesion and
dimensional uniformity. Established reliability is assured
through 100% screening and extensive lot testing.
Actual Size
M55342/02
Adhesion layer
High Purity
Alumina
Nickel barrier
Solder
coating
Passivation Resistor Film
TEST SPECIFICATIONS CONDITIONS
MATERIAL RUTHENIUM
Absolute TCR: ± 100ppm/°C, ± 300ppm/°C
-
55°C to + 125°C
Absolute Tolerance: ± 1%, ± 2%, ± 5%, ± 10% + 25°C
Power Rating: Resistor 50 to 100mW
Stability (∆R Ratio) 0.5% 2000 hrs. @ + 70°C
Voltage Coefficient < 10ppm/Volt
Working Voltage 40 to 50 Volts
Operating Temperature Range
-
55°C to + 125°C
Noise
-
20 to + 10dB
Thermal EMF 0.2µV/°C
Shelf Life Stability 200ppm 1 year @ 25°C
STANDARD ELECTRICAL SPECIFICATIONS
CASE SIZE POWER RATING MAX. WORKING
(mW) VOLTAGE (± 1%) (± 2, ± 5, ± 10 & 20%)
M55342/02 50 40 20 - 294K 20 - 470K
M55342/03 100 40 20 - 294K 20 - 470K
M55342/04 150 40 20 - 499K 20 - 1M
M55342/06 100 50 20 - 499K 20 - 1M
RESISTANCE RANGE - (OHMS)
ABS
TCR 100
TOL 1.0
TYPICAL PERFORMANCE