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TA2025PA4K50JE Scheda tecnica(PDF) 1 Page - Ohmite Mfg. Co.

Il numero della parte TA2025PA4K50JE
Spiegazioni elettronici  Power Chip Thick Film on Alumina Substrate
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Produttore elettronici  OHMITE [Ohmite Mfg. Co.]
Homepage  http://www.ohmite.com
Logo OHMITE - Ohmite Mfg. Co.

TA2025PA4K50JE Scheda tecnica(HTML) 1 Page - Ohmite Mfg. Co.

  TA2025PA4K50JE Datasheet HTML 1Page - Ohmite Mfg. Co.  
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54
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
St andard p ar t number S for t a S erie S
orderin G informa tion
Part Number
Part No.
Prefix 
Suffix
Part Number
Part No.
Prefix 
Suffix
Part Number
Part No.
Prefix 
Suffix
TA Series
Power Chip®
Thick Film on Alumina Substrate
Dimensions (±.020 in. / ±.508mm)
Series
Wattage
P
Length L
Height H
TA203
3.0
0.200 / 5.08
0.50 / 12.70
0.60 / 15.24
TA303
3.0
0.300 / 7.62
0.50 / 12.70
0.60 / 15.24
TA205
5.0
0.200 / 5.08
0.50 / 12.70
1.00 / 25.40
TA305
5.0
0.300 / 7.62
0.50 / 12.70
1.00 / 25.40
TA605
5.0
0.600 / 15.24
1.00 / 25.40
0.50 / 12.70
TA805
5.0
0.800 / 20.32
1.00 / 25.40
0.50 / 12.70
TA207
7.5
0.200 / 5.08
0.75 / 19.05
1.00 / 25.40
TA307
7.5
0.300 / 7.62
0.75 / 19.05
1.00 / 25.40
TA310
10.0
0.300 / 7.62
1.00 / 25.40
1.00 / 25.40
TA810
10.0
0.800 / 20.32
1.00 / 25.40
1.00 / 25.40
TA025
25.0
1.90 / 48.3
2.220 / 56.39
1.170 / 29.70
TA050
50.0
1.90 / 48.3
2.220 / 56.39
2.270 / 57.60
TA100
100.0
4.10 / 104.1
4.420 / 112.27
2.270 / 57.60
H
0.020" / 0.51 mm typ.
P
L
0.150" / 3.8 mm ref.
0.200" / 5.08 mm
0.050" / 1.27 mm dia. finished pins
0.070" /
1.78 mm
0.040" / 1.02 mm
0.240" /
6.10 mm
0.300" /
7.62 mm
0.040" /
1.02 mm typ.
Solder-coated
phosphor bronze
3, 5, 7.5
& 10 watt
10, 25, 50
& 100 watt
P
L
0.07"/1.78mm
H
0.17"/4.32mm
0.10"/2.54mm
0.02" x 0.015" Pins
typical
PC board
Ohmite’s original Power Chip
resistors feature our thick film
on alumina substrate technol-
ogy. These planar packages
yield space saving, 10W/in2
power densities that require
over 50% less board space
than other radial packages.
Convection cooling is maxi-
mized by the planar package
configuration which dissipates
heat well above board level.
Ohmite’s power chip resis-
tors have a 125% higher oper-
ating temperature range than
competitive product of similar
design. High temperature
solder and in-process plat-
ing keep terminations secure
under self-heating effects by
preventing re-flow from full
power operation.
Flexible packaging schemes
make these resistors ideal for
power supplies, audio ampli-
fiers, video fly-back, and other
power control applications.
Fe A T ure S
• High-Temp Terminal Construction
• Wide Resistance Range
• Low Inductance (50nH-100nH)
• High Power Density
• Easy to install. PC-mountable
S P e C i F i CA T i ONS
Material
Substrate: Alumina
Resistor: Thick Film
Coating: Glass
Terminals: Solder Plated
Phosphor Bronze
Thermal Conductivity:
20 Watts/Meter/°C
Temperature Coefficient:
1 ohm
450 ppm/°C
1 to 100
Ω
100 ppm/°C
101
Ω and up
50 ppm/°C
Electrical
Tolerance: ±1%, ±5% and ±10%
Power Rating: Based on 25°C
free air
Resistance Range: 0.25 ohm to
10M ohm. Consult factory for
other values
Maximum Operating Voltage:
350 VAC, 500 VDC through
glass, 1000 VAC, 1500 VDC
through substrate
Overload: Five times rated power,
as long as the one second aver-
age dissipation does not exceed
the wattage rating.
∆R: ±2%, 2000 hours
Derating:
100% @ 25°C to 0% @ 350°C.
Power Rating:
03 = 3 W
05 = 5
07 = 7.5
10 = 10
025 = 25
050 = 50
100 = 100
� � � � � � � � � � �
Series
Tolerance
K = 10%
J = 5%
F = 1%
Package:
PA = pin terminals,
std. for 3-10 W
PW = wraparound,
std. for 25-100 W
Resistance Value (
Ω)
R250 = 0.25
10R0 = 10.0
2K00 = 2,000
45K0 = 45,000
Pin spacing
(on 3-10W models only)
2 = .2"
3 = .3"
8 = .8"
RoHS compliant
0.25 –––R250J   
1.00 –––1R00J          
1.50 –––1R50J         
2.00 –––2R00J      
4.70 –––4R70J          
5.00 –––5R00J         
5.10 –––5R10J         
7.50 –––7R50J         
8.20 –––8R20J         
10.00 –––10ROJ          
11.00 –––11R0J         
12.00 –––12R0J         
15.00 –––15R0J        
20.00 –––20R0J        
24.00 –––24R0J         
27.00 –––27R0J        
33.00 –––33R0J         
47.00 –––47R0J       
50.00 –––50R0J          
62.00 –––62R0J         
68.00 –––68R0J        
75.00 –––75R0J         
100.00 –––100RJ       
150.00 –––150RJ         
200.00 –––200RJ          
250.00 –––250RJ         
270.00 –––270RJ        
300.00 –––300RJ       
470.00 –––470RJ      
500.00 –––560
      
620.00 –––620RJ         
680.00 –––680RJ         
1,000.00 –––1K00J       
1,500.00 –––1K50J        
1,800.00 –––1K80J         
2,000.00 –––2K00J        
2,500.00 –––2K50J         
3,000.00 –––3K00J        
4,000.00 –––4K00J         
4,700.00 –––4K70J          
5,000.00 –––5K00J         
5,100.00 –––5K10J        
7,500.00 –––7K50J        
10,000.00 –––10K0J        
15,000.00 –––15K0J         
18,000.00 –––18K0J       
20,000.00 –––20K0J        
30,000.00 –––30K0J         
39,000.00 –––39K0J         
50,000.00 –––50K0J         
75,000.00 –––75K0J         
100,000
–––100KJ          
150,000
–––150KJ         
200,000
–––200KJ         
= Most popular standard values,  = Stock values,  =
Non-standard values subject to minimum handling charge per item
Check product availability at
www.ohmite.com


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