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TA303PA8R20JE

产品类别无源元件   
文件大小284KB,共2页
制造商Ohmite
官网地址https://www.ohmite.com
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TA303PA8R20JE规格参数

参数名称属性值
产品种类
Product Category
Thick Film Resistors - Through Hole
制造商
Manufacturer
Ohmite
RoHSDetails
电阻
Resistance
8.2 Ohms
功率额定值
Power Rating
3 W
容差
Tolerance
5 %
温度系数
Temperature Coefficient
100 PPM / C
工作温度范围
Operating Temperature Range
- 55 C to + 180 C
长度
Length
12.7 mm
端接类型
Termination Style
Radial
系列
Packaging
Bulk
高度
Height
2.54 mm
工厂包装数量
Factory Pack Quantity
25
宽度
Width
15.24 mm

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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/in
2
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.
Flexible packaging schemes make these resistors
ideal for power supplies, audio amplifiers, video fly-
back, and other power control applications.
Series
TA203
TA303
Wattage
3.0
3.0
Series
TA205
TA305
TA605
TA805
Wattage
5.0
5.0
5.0
5.0
Series
TA207
TA307
F e AT u r e S
• High-Temp Terminal Construction
• Wide Resistance Range
• Low Inductance (50nH-100nH)
• High Power Density
• Easy to install. PC-mountable
S e r i e S S P e c i F i c AT i O N S
Wattage
7.5
7.5
Series
TA310
TA810
Wattage
10.0
10.0
Series
TA025
TA050
TA100
Wattage
25.0
50.0
100.0
chArAcTeriSTicS
Substrate
Alumina
Resistor
Thick Film
Coating
Glass
Terminals
Solder Plated Phosphor Bronze
450 ppm/°C
Temperature Coefficient
1 ohm:
1 to 100Ω:
100 ppm/°C
101Ω and up: 50 ppm/°C
Tolerance
±1%, ±5% and ±10%
Power Rating
Based on 25°C free air
Resistance Range
0.25 ohm to 10M ohm. Consult fac-
tory for other values
Maximum Operating Voltage
350 VAC, 500 VDC through glass,
1000 VAC, 1500 VDC through sub-
strate, not to exceed power rating
Overload
Five times rated power, as long as the
one second average dissipation does
not exceed the wattage rating. ∆R:
±2%, 2000 hours
Derating
100% @ 25°C to 0% @ 180°C ambi-
ent.
Equivalent Parallel Capacitance
1.0pf (100 MHz)
Withstanding Voltage
5000V thru back side
Operating Temperature Range
-55°C to +180°C
Overload Current
20 x rated current up to 8 ms (ΔR ±
0.5%)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
103
Test Condition
Test MILR83401
Life (Rated
40°C, rated power, 90
Power)
min ON 30 min OFF,
1000 hrs.
Life
60°C, 90 - 95% RH,
(Moisture
rated power, 90 min
Load)
ON 30 min OFF, 1000
hrs.
Temperature
Room temp > -55°C
Cycling
30 min > RT 10 min ±
120°C 30 min > RT10
min 5 cycles
Soldering
350°C Solderpot, 3
Heat
secs.
Insulation
DC 100V, 1 min
Resistance
Specification
ΔR
±( 1.0% + 0.05Ω)
ΔR
±( 1.0% + 0.05Ω)
ΔR
±( 0.25% + 0.05Ω)
Flammability
UL94V-O rated (not recognized)
ΔR
±( 0.25% + 0.05Ω)
Over 1000M ohm
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