Datasheet

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54
EY Series
Ceramic Composition
10% Tolerance
Series Watts max.* Resistance range Tolerance Joules max.** Max. working volts
EY 2.5 10Ω - 390KΩ ±10% 400 550
* at 25°C. **For a single impulse.
Test Condition Requirement ∆R ±( +0.05Ω)
Resistance Measurement
Resistance voltage
3.3Ω~8.2Ω 0.3V 25°C
10Ω~82Ω 1.0V
100Ω~390kΩ 3.0V
Withinregulatedtotolerance
TCR
+25°C/-40°Cand+25°C/+125°C <100Ω:-900+/-300ppm
≥100Ω:-1200+/-300ppm
Voltage Coefficient
Ratedvoltageandratedvoltage
x10%(Applyforover1kΩ)
0~-0.05%/V
Overload
Ratedvoltagex2.5ormaximum
overloadvoltagefor5s,which-
everless
±2%limit;0.4%typical
Single impulse
rating
Theresistormountedtothetest
circuitatright.Singleimpulse
testof10ohmresistorresulting
in3.3ms.
±5%
Resistance to sol-
dering heat
350°C±10°C,3.5s±0.5s ±2%limit;0.8%typical
Rapid change of
temperature
-40°C(30min.)/+85°C(30min.),5
cycles
±2%limit;0.4%typical
Moisture resis-
tance
40°C±2°C,90%~95%RH,
1000h,1.5hON/0,5hOFF
cycles
±5%limit;0.6%typical
Load life
40°C±2°C,1000h,1.5hON/0,5h
OFFcycles
±5%limit;0.4%typical
Resistance to
Solvent
DippinginIPAorXylenefor3
minutesandleavingfor10min-
utesafterremovingdrops,
thenbrushing10times.
Noabnormalityin
appearance.Marking
shallbeeasilylegible.
Pulse Tolerance
200V,112Joules,10000cycles,
5600ufcapacitordischarge,26
secondresttime
±2%
FEATURES
• Suitable for automatic machine insertion
• Ideal for high energy/high peak power applications
• Products with lead-free terminations meet EU
RoHS requirements
• Higher reliability against disconnection compared
to wirewound resistors and film resistors
Power Rating
Basedon25°Cfreeairrating
TCR
-900±300:R<100Ω
-1200±300:R≥100Ω
Voltage
Abs.max.working:550V
Abs.max.overload:1100V
Abs.max.pulse:25kV
Operating
Temp. Range
-40°Cto+110°C
Tolerance
±10%standard
SERIES SPECIFICATIONS
CHARACTERITICS
C=3300uF
Protection
resistor
DC
500 volts
Rx
100
Percent Rated Power
Ambient Temperature, °C
60
20
0
80
40
0 20
25°
60 110°40-40 -20 80
Derating
(continued)