54

55

S T A N D A R D P A R T N U M B E R S

TAH Series

20 Watt TO220 Package

Thick Film Power

0.400–0.420"

(10.15–10.67mm)

0.630–0.650"

(16.00–16.52mm)

0.450–0.550"

(11.43–13.97mm)

0.100–0.160"

(2.54–4.06mm)

0.045–0.055"

(1.14–1.40mm)

0.026–0.034"

(0.66–0.86mm)

0.190–0.210"

(4.82–5.34mm)

0.115–0.135"

(2.92–3.44mm)

0.016–0.024"

(0.40–0.60mm)

0.060–0.080"

(1.52–2.04mm)

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.

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.

F E A T U R E S

• 20 Watt Power Rating at 25°C

Case Temperature

• High Pulse Tolerant Design

• Quick-snap Molded Package

• Very Low Inductance Design

• Resistor Package Electrically

Isolated from Heat Sink

• Low Thermal Resistance to Heat

• Tube Packaging Available

A P P L I C A T I O N S

• Frequency Conversion

• High Frequency Balancing

• Snubbers

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

Tolerance: ±5% std.

1% Available on request

Temperature Coefficient:

Referenced to 25°C,

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,

below

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.

T E S T D A T A

Load Life

MIL-R-39009, 2000 Hours @ Rated Pwr ΔR = ±(1.0% + 0.001) Ω

Thermal Shock

MIL-R-STD-202, Method 107, Cond. F ΔR = ±(0.3% + 0.001) Ω max

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

(Pull Test) 2.4N

Moisture Resistance MIL-R-STD-202, Method 106

ΔR = ±(0.5% + 0.01) Ω max

O R D E R I N G I N F O R M A T I O N

D E R A T I N G C U R V E

P U L S E - F O R M

Ohm Value

Example:

2R40 = 2.4 Ohms

2K40 = 2400 Ohms

Tolerance

F = 1%

J = 5% Standard

Series

T A H 2 0 P 1 0 R 0 J E

Package Code

RoHS Compliant

Non-compliant

version unavailable

Time, ms.

0.001

0.01

0.1

1

10

100

1,000

100,000

1

10

100

10,000

0.1

1,000

10,000

100,000

0.01

TAH20

TCH35

TDH35

175

100

Case Temperature,

°C

60

20

0

0

50

100

150

25

75

125

80

40

20/35

16/28

12/21

8/14

4/ 7

0

TAH/TCH

TCH

TAH

E-function, time between two pulses: 1 sec.

TAH20P100RJE

TAH20P10K0JE

TAH20P10R0JE

TAH20P150RJE

TAH20P15R0JE

TAH20P1K00JE

TAH20P1K50JE

TAH20P1R00JE

TAH20P1R50JE

TAH20P200RJE

TAH20P20R0JE

TAH20P220RJE

TAH20P22R0JE

TAH20P240RJE

TAH20P24R0JE

TAH20P2K00JE

TAH20P2K20JE

TAH20P2K40JE

TAH20P2R00JE

TAH20P2R20JE

TAH20P2R40JE

TAH20P330RJE

TAH20P33R0JE

TAH20P390RJE

TAH20P39R0JE

TAH20P3K30JE

TAH20P3K90JE

TAH20P3R30JE

TAH20P3R90JE

TAH20P470RJE

TAH20P47R0JE

TAH20P4K70JE

TAH20P4R70JE

TAH20P510RJE

TAH20P51R0JE

TAH20P5K10JE

TAH20P5R10JE

TAH20P750RJE

TAH20P75R0JE

TAH20P7K50JE

TAH20P7R50JE

TAH20PR050JE

TAH20PR100JE

TAH20PR150JE

TAH20PR200JE

TAH20PR220JE

TAH20PR240JE

TAH20PR330JE

TAH20PR390JE

TAH20PR470JE

TAH20PR510JE

TAH20PR750JE

Our friendly Customer

Service team can be

reached at 866-9-OHMITE

Check product availability at

www.ohmite.com