PRODUCTS
 
THICK FILM RESISTOR NETWORKS (RA)
 
Features
 

  • Formed from metal glaze elements screened on ceramic substrates with strong clip construction terminals.

  • Small in size with high precise, single line, packaging.

  • Able to meet the need for increasing the density of circuit assembling.

  • Extremely stable, accurate, and reliable.

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Characteristic Performance
 
Description Requirements Test Method
MIL-R-10509
MIL-STD-202F
Resistance Value Within specified tolerance Section 5.1
Resistance Temp. Coefficient (PPM/¢J) ±250 PPM/¢J

Section 5.2
Test temperature 20/-15/-40/20/60/100¢J
Short-time Overload ±(1%+0.05£[)

Section 5.5-A
2.5 times rated voltage for 5 Sec.
Dielectric Withstanding No insulation break down

Section 5.7-E (metal ball)
Test voltage: 500V
Terminal Strength ±(1%+0.05£[)
No end cap shall loosen and No lead wire shall break		 Pull:   Section 6.1-(1), 1 Kg, 10 Sec.
Bend: Section 6.1-(4), 90 deg., 2 times each direction.
Solder-heat Resistance

±(1%+0.05£[)
No mechanical damage

Section 6.4
260¢J, 5 Sec.
Solderability New solder shall cover at least 95%

Section 6.5
235¢J, 5 Sec.
Temperature Cycling

±(1%+0.05£[)
No mechanical damage

Section 7.4
-40/+85¢J, 5 Cycles
Moisture-resistance Cycling

±(1%+0.05£[)
No mechanical damage

40 cycles of -10¢J, 2 Hrs.
and +70¢J, 90% RH, 2 Hrs.
Load Life in Moisture ±(5%+0.1£[)

Section 7.9
Rated voltage with the cycle of 1.5 hrs-on and 0.5 hrs-off for 1,000 hrs at 40¢J, 95% RH
Load Life ±(5%+0.1£[)

Section 7.10
Rated voltage with the cycle of 1.5 hrs-on and 0.5 hrs-off for 1,000 hrs at 70¢J
 
Derating Curve
 

 
Standard Internal Circuits
 

 
Dimensions
 
MIL Style Power Rating Dimensions (mm) Max.
Working V.		 Max.
Overload V.		 Resistance Range
Elements Pin Number L Max. H G (±2%)  J (±5%)
RA 1/8 A, C, D 0.125W 3 ~ 11 4 ~ 12 Pin Number
x 2.54+0.25		 5.08
Max.		 100V 150V 22 ~ 1M£[
E24 Series
B 2 ~ 6
RA 1/4 A, C, D 0.25W 3 ~ 13 4 ~ 12 Pin Number
x 2.54+0.25		 7.0
Max.		 200V 300V
B 2 ~ 7
 

 


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