TCH35P1301JE [OHMITE]
Fixed Resistor, Metal Glaze/thick Film, 35W, 1300ohm, 350V, 5% +/-Tol, 50ppm/Cel, Through Hole Mount, TO-220, ROHS COMPLIANT;
| 型号： | TCH35P1301JE |
| 厂家： | 
OHMITE MFG. CO. |
| 描述： | Fixed Resistor, Metal Glaze/thick Film, 35W, 1300ohm, 350V, 5% +/-Tol, 50ppm/Cel, Through Hole Mount, TO-220, ROHS COMPLIANT 电阻器 |
| 文件： | 总2页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
The TAH20 is a completely
encapsulated thick film resistor
in the TO220 package outline.
Rated for 20 watts @ 25°C
case temperature, these resis-
tors are electrically isolated,
and molded in a high tempera-
ture case.
S P E C I F I C A T I O N S
Electrical
Resistance Range: 0.05Ω to
10KΩ, other values available
upon request
TAH20 Series
20 Watt TO220 Style
Thick Film Power Resistors
RoHS Compliant
Tolerance: ±5% std.
1% Available on request
Temperature Coefficient:
Referenced to 25°C,
Designed for heat sink
mounting, the symmetrical
package is ready for use with
snap-on style heat sinks (we
recommend use of thermal
grease). The TAH20 Series is
very low induction, and avail-
able in a wide range of resis-
tance values in standard 5%
tolerance. 1% tolerance avail-
able by special order.
0.400–0.420"
(10.15–10.67mm)
0.115–0.135"
(2.92–3.44mm)
ΔR taken at +105°C;
1 to 10Ω: ±(100ppm+0.002Ω)/°C
10Ω & up: ±50ppm/°C
Max Operating Voltage: 350V
Dielectric Strength: 1,800 VAC
Power Rating: 20W @ 25°C case
temperature; see derating curve,
next page
Insulation Resistance:
10GΩ min.
Momentary Overload:
2x rated power for 5 seconds
where applied voltage ≤1.5 times
max. operating voltage. ΔR ±
(0.3% + 0.001Ω) max.
Terminal Material: Copper
Terminal Plating: Lead Free
Solder (97% Tin, 3% Silver)
Mounting: Requires the use of a
snap-on style heat sink. A ther-
mal compound should be prop-
erly applied.
Solder Process: The TAH20 can-
not exceed 260°C for more than
10 seconds during soldering
process.
0.630–0.650"
(16.00–16.52mm)
0.100–0.160"
(2.54–4.06mm)
F E A T U R E S
• 20 Watt Power Rating at 25°C
Case Temperature
0.450–0.550"
(11.43–13.97mm)
0.045–0.055"
(1.14–1.40mm)
0.026–0.034"
(0.66–0.86mm)
0.016–0.024"
(0.40–0.60mm)
• High Pulse Tolerant Design
• Quick-snap Molded Package
• Very Low Inductance Design
• Resistor Package Electrically
Isolated from Heat Sink
• Low Thermal Resistance to Heat
Sink @ RTH<6.25°C/W
• Tube Packaging Available
0.190–0.210"
(4.82–5.34mm)
0.060–0.080"
(1.52–2.04mm)
P E R F O R M A N C E D ATA
MIL-R-39009, 2000 Hours @ Rated Pwr ΔR = ±(1.0% + 0.001) Ω
MIL-R-STD-202, Method 107, Cond. F ΔR = ±(0.3% + 0.001) Ω max
Load Life
Thermal Shock
High Freq Vibration MIL-R-STD-202, Method 204, Cond. D ΔR = ±(0.2% + 0.001) Ω max
Terminal Strength MIL-R-STD-202, Method 211, Cond. A ΔR = ±(0.2% + 0.001) Ω max
A P P L I C A T I O N S
• Frequency Conversion
• High Frequency Balancing
• Snubbers
(Pull Test) 2.4N
Moisture Resistance MIL-R-STD-202, Method 106
ΔR = ±(0.5% + 0.01) Ω max
(continued on next page)
Ohmite’s new TCH35 TO220
package resistor provides 35W
of steady state power when
properly used in today’s well
defined heat sink applications.
These very low induction
resistors are built under proprie-
tary processes that deliver 75%
more power handling capabil-
ity than other TO220 package
resistors of similar size.
Standard lead forms are
provided for manual or auto-
matic insertion.
A single screw mounting tab
connects to the heat sink and
should be accompanied by the
use of a thermal compound.
The TCH35 Series offers a low
thermal resistance to the heat
sink of <4.28°C/W.
S P E C I F I C A T I O N S
Electrical
Resistance Range: 0.1Ω to 10KΩ
(higher values on request subject
to derating)
Resistance Tolerance:
± 5% standard
± 1% available on request
Temperature Coefficient:
Referenced to 25°C,
ΔR taken at +105°C
10Ω and above: ±50 ppm°C
1Ω to10Ω:
±(100ppm +0.002Ω)/°C
Max. Operating Voltage: 350V
Dielectric Strength: 1800 VAC
Insulation Resistance: 10GΩ
min.
Momentary Overload: 2x rated
power for 5 seconds as long as
the applied voltage ≤1.5 times
the continuous operating voltage,
where ΔR ±(0.3% + 0.01Ω) max
Terminal Material: Copper
Terminal Plating: Lead Free
Solder (97% Tin, 3% Silver)
Maximum Torque: 0.9 Nm
Power Rating: 35 Watts @ 25°C
case temperature; see derating
curve, next page
TCH35 Series
35 Watt TO220 Style
Thick Film Power Resistors
RoHS Compliant
0.390–0.410"
0.047–0.055"
(1.20–1.40mm)
(9.91–10.41mm)
0.112–0.120"
(2.85–3.05mm)
0.230–0.250"
(5.85–6.35mm)
0.571–0.591"
(14.50–15.00mm)
–(3.7m5)
0.046–0.054"
(1.17–1.37mm)
0.157" max.
(5.00mm)
0.159–0.190"
(4.06–4.82mm)
0.027–0.034"
(0.70–0.86mm)
0.022–0.028"
(0.55–0.70mm)
0.500–0.579"
(12.70–14.70mm)
F E A T U R E S
• 35W Power Rating @ 25°C
• Very Low Inductance Design
• Single Screw Mounting
• Low Thermal Resistance to Heat
Sink @ RTH<4.28°C/W
• Resistance Element is Electrically
Insulated from Metal Heat Sink
Mounting Tab
0.080–0.089"
(2.05–2.25mm)
0.190–0.210"
(4.83–5.33mm)
P E R F O R M A N C E D ATA
MIL-R-39009, 2000 Hours @ Rated Pwr ΔR = ± (1.0% + 0.01) Ω
MIL-R-STD-202, Method 107, Cond. F ΔR = ± (0.3% + 0.01) Ω max
Load Life
Working Temperature Range:
-55°C to +175°C
Solder Process: The TCH35 can-
not exceed 260°C for more than
10 seconds during soldering
process.
Thermal Shock
High Freq Vibration MIL-R-STD-202, Method 204, Cond. D ΔR = ± (0.2% + 0.01) Ω max
A P P L I C A T I O N S
• Switching Power Supplies
• Snubbers
• High Frequency
Terminal Strength MIL-R-STD-202, Method 211, Cond. A ΔR = ± (0.2% + 0.01) Ω max
(Pull Test) 2.4N
Moisture Resistance MIL-R-STD-202, Method 106
ΔR = ± (0.5% + 0.01) Ω max
• Voltage Regulation
• Low Energy Pulse Loading
(continued on next page)
Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
TAH20/TCH35 Series
20 Watt & 35 Watt TO220 Series
Thick Film Power Resistors
(continued)
D E R AT I N G C U R V E
P U L S E - F O R M
E-function, time between two pulses: 1 sec.
TAH/TCH
100
80
60
40
20
0
20/35
16/28
12/21
8/14
4/ 7
100,000
10,000
1,000
100
TCH35
TAH20
TCH
10
TAH
1
0.1
0
0.01
0.001
0
25
50
75
100
125
150
175
0.01
0.1
1
10
100
1,000 10,000 100,000
Case Temperature, °C
Time, ms.
O R D E R I N G I N F O R M AT I O N
S TA N D A R D V A L U E S
E24 standard values (+25 & 50), 1% and 5% tolerance
Tolerance
F = 1%
J = 5% Standard
Package Code
0.10
0.11
0.12
0.13
0.15
0.16
0.18
0.20
0.22
0.24
0.25
0.27
0.30
0.33
0.36
0.39
0.43
0.47
0.50
0.51
0.56
0.62
0.68
0.75
0.82
0.91
1.0
1.1
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.4
2.5
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.0
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
25
27
30
33
36
39
43
47
50
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
250
270
300
330
360
390
430
470
500
510
560
620
680
750
820
910
1,000
1,100
1,200
1,300
1,500
1,600
1,800
2,000
2,200
2,400
2,500
2,700
3,000
3,300
3,600
3,900
4,300
4,700
5,000
5,100
5,600
6,200
6,800
7,500
8,200
9,100
10,000
� ꢀ ꢁ ꢂ ꢃ ꢄ ꢅ ꢆ ꢇ ꢆ ꢈ ꢉ
Series
TCH35 = 35W
TAH20 = 20W
Ohm Value
Example:
RoHS Compliant
Non-compliant
version not
recommended for
new designs
2R40 = 2.4 Ohms
2K40 = 2400 Ohms
20,000
0.050
0.051
0.056
0.062
0.068
0.075
0.082
0.091
Consult factory for current stock disposition.
Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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