R250J [OHMITE]
Power Chip® Thick Film on Alumina Substrate; 电源Chip®厚膜的氧化铝基板
| 型号： | R250J |
| 厂家： | 
OHMITE MFG. CO. |
| 描述： | Power Chip® Thick Film on Alumina Substrate |
| 文件： | 总2页 (文件大小：239K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
THick Film
AluminA
TA Series
Power Chip®
Thick Film on Alumina Substrate
Ohmite’s original Power Chip resistors feature our
thick film on alumina substrate technology. These
planar packages yield space saving, 10W/in2 power
densities that require over 50% less board space
than other radial packages. Convection cooling is
maximized by the planar package configuration
which dissipates heat well above board level.
Ohmite’s power chip resistors have a 125% higher
operating temperature range than competitive prod-
uct of similar design. High temperature solder and
in-process plating keep terminations secure under
self-heating effects by preventing re-flow from full
power operation.
F ꢀ AT u ꢁ ꢀ S
• High-Temp Terminal Construction
• Wide Resistance Range
• Low Inductance (50nH-100nH)
• High Power Density
Flexible packaging schemes make these resistors
ideal for power supplies, audio amplifiers, video fly-
back, and other power control applications.
• Easy to install. PC-mountable
SꢀꢁꢂꢀS SPꢀcꢂFꢂcATꢂONS
Series
TA203
TA303
Wattage
3.0
Series
TA205
TA305
TA605
TA805
Wattage
5.0
Series
TA207
TA307
Wattage
7.5
7.5
Series
TA310
TA810
Wattage
10.0
Series
TA025
TA050
TA100
Wattage
25.0
50.0
100.0
3.0
5.0
5.0
5.0
10.0
chAꢁAcTꢀꢁꢂSTꢂcS
Alumina
Substrate
Resistor
Coating
Thick Film
Glass
Solder Plated Phosphor Bronze
20 Watts/Meter/°C
Terminals
Thermal Conductivity
1 ohm:
450 ppm/°C
Temperature Coefficient
1 to 100Ω:
100 ppm/°C
101Ω and up: 50 ppm/°C
±1%, ±5% and ±10%
Tolerance
Power Rating
Based on 25°C free air
0.25 ohm to 10M ohm. Consult factory for other values
Resistance Range
350 VAC, 500 VDC through glass, 1000 VAC, 1500 VDC through substrate
Maximum Operating Voltage
Overload
Five times rated power, as long as the one second average dissipation does not exceed the wattage rat-
ing. ∆R: ±2%, 2000 hours
100% @ 25°C to 0% @ 180°C ambient.
Derating
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
THick Film
AluminA
TA Series
Power Chip®
Thick Film on Alumina Substrate
DꢂMꢀNSꢂONS
(±.020 in. / ±.508mm)
Series Wattage
P
Length L
Height H
TA203
TA303
TA205
TA305
TA605
TA805
TA207
TA307
3.0 0.200 / 5.08
3.0 0.300 / 7.62
5.0 0.200 / 5.08
5.0 0.300 / 7.62
0.50 / 12.70
0.50 / 12.70
0.50 / 12.70
0.50 / 12.70
0.60 / 15.24
0.60 / 15.24
1.00 / 25.40
1.00 / 25.40
0.50 / 12.70
0.50 / 12.70
1.00 / 25.40
1.00 / 25.40
1.00 / 25.40
1.00 / 25.40
3, 5, 7.5
& 10 watt
H
5.0 0.600 / 15.24 1.00 / 25.40
5.0 0.800 / 20.32 1.00 / 25.40
typical
PC board
0.17"/4.32mm
7.5 0.200 / 5.08
7.5 0.300 / 7.62
0.75 / 19.05
0.75 / 19.05
1.00 / 25.40
0.07"/1.78mm
P
L
0.10"/2.54mm
0.02" x 0.015" Pins
TA310* 10.0 0.300 / 7.62
10, 25, 50
& 100 watt
0.040" / 1.02 mm
TA810* 10.0 0.800 / 20.32 1.00 / 25.40
L
TA025 25.0 1.90 / 48.3
TA050 50.0 1.90 / 48.3
2.220 / 56.39 1.170 / 29.70
2.220 / 56.39 2.270 / 57.60
PY
PW
mount
mount
TA100 100.0 4.10 / 104.1 4.420 / 112.27 2.270 / 57.60
*PW version of 310 and 810 are L=1.085"/27.56mm
0.240" /
6.10 mm
H
0.200" /
5.08 mm
0.855" /
21.72 mm
0.300" /
7.62 mm
0.020" / 0.51 mm typ.
0.070" /
1.78 mm
0.040" /
1.02 mm
typ.
P
0.150" / 3.8 mm ref.
0.195" /
4.95 mm
0.200" / 5.08 mm
0.050" / 1.27 mm dia. finished pins
OꢁDꢀꢁꢂNG ꢂNFOꢁMATꢂON
Pin spacing
Tolerance
(on 3-10W models only) K = 10%
2 = .2"
3 = .3"
8 = .8"
J = 5%
F = 1%
RoHS compliant
T A 3 0 5 P A 4 K 5 0 J E
Series
Power Rating: Package:
Resistance Value (Ω)
03 = 3 W
05 = 5
07 = 7.5
10 = 10
R250 = 0.25
10R0 = 10.0
2K00 = 2,000
45K0 = 45,000
PA = pin terminals,
std. for 3-10 W
PW = wraparound,
std. for 10-100 W
PY = high-stability
wraparound
025 = 25
050 = 50
100 = 100
Standard part numbers for ta series
Part Number
Part Number
Part Number
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
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
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
= Most popular standard values, = Stock values
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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