THICK FILM
SMD
hVc Sꢀꢁꢂꢀs
Precision High-Value High-voltage Wraparound Chip
f e at u r e S
•ꢀHighꢀvalueꢀchipꢀresistorsꢀinꢀthickꢀfilmꢀtechnology
•ꢀLowꢀtemperatureꢀandꢀvoltageꢀdependencyꢀ(lowꢀTCRꢀandꢀVCR)
•ꢀHighꢀworkingꢀvoltageꢀupꢀtoꢀ3000V
•ꢀSuitableꢀforꢀhighꢀvacuumꢀapplications—noꢀorganics
•ꢀContactꢀareas:ꢀNickel-barrier/matteꢀtin
•ꢀWraparoundꢀterminals
SerieS SpecificationS
Wattage1
P70 (mW)
Oper. Voltage (V)
std. untrimmed (≥5%)
Resistance
Range
TCR2
(ppm)
VCR2
(ppm)
Series
Type
Tolerance
HVC0805---
0805
125
200
400
1000
3000
100K-100M 0.5-10%
25, 50, 100
50, 100, 250
250, 500
100
250
500
1000
50
100
250
1000
10
>100M-1G
>1G-10G
2-20%
5-20%
>10G-100G 10-30%
100K-100M 0.5-10%
2000
HVC1206---
HVC2512---
1206
2512
250
600
25, 50, 100
50, 100, 250
100, 250
500, 1000
25, 50, 100
25, 50, 100
50, 100
>100M-1G
>1G-10G
2-20%
5-20%
>10G-100G 10-30%
100K-100M 0.5-10%
1000
2000
>100M-1G
>1G-10G
>10G-100G
1-20%
2-20%
5-30%
25
50
100
250, 500
1. At continuous power dissipation the dimensions of the solder pads have to be capable of sufficient heat conduction.
2. Not all TCR/VCR combinations available in all resistance values
characteriSticS
Operating temperature -55°C ~ +155°C
Derating
range
100
80
60
40
20
0
Climatic category 55/155/56, acc. to EN 60068-1
Solderability 250°C, 3s, acc. to EN 60068-2-58
Max. soldering temperature 260°C, 10s, acc. to IEC 68-2-58
Long Term Stability
<1G
<10G ≥10G
Load Life 70°C/1000h <0.25% <0.5% <1%
Storage 125°C/1000h <0.5% <1%
Max. Voltage/1000h <0.5% <1%
-55
0
50 70 100
155
<2%
<2%
Data not specified according to EN 140401-802 (CECC 40401-802)
terminal DetailS
Base Metal PtAg
Termination Finish 100% electroplated matte Sn100
Thickness of Finish 5 microns
Barrier Material between Base Metal and Finish Porosity-free Ni (5-8 microns thickness)
Baking/Annealing Process after Sn Plating 150°C; > 4 hours
Peak Process Body Temperature (Classification 260°C for 10 seconds
Temperature) and Maximum Time
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