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PWR221T-30 Series Power Resistor

Product Dimensions

10.41 ± 0.25

(.410 ± .010)

3.18 ± 0.25

(.125 ± .010)

8.38 ± 0.25

(.330 ± .010)

3.18 ± 0.1

(.125 ± .004)

DIA.

1.38 ± 0.25

(.054 ± .010)

CERAMIC

2.92 ± 0.25

(.115 ± .010)

CERAMIC

3.18 ± 0.25

(.125 ± .010)

16.26 ± 0.25

(.640 ± .010)

9.14 ± 0.25

(.360 ± .010)

CERAMIC

1.02 ± 0.25

2.54 ± 0.25

(.040 ± .010)

12.7 ± 1.27

(.500 ± .050)

(.100 ± .010)

CERAMIC

5.08 ± 0.25

(.200 ± .010)

0.72 ± 0.12

(.029 ± .005)

1.03 ± 0.25

DIMENSIONS:

(INCHES)

(.041 ± .010)

Pulse Power Rating

100

0.1

0.01

How to Order

PWR 221 T - 30 - 10R0 F

Model

PWR = Power

Resistor

Package

220 = TO-220 Style

Pin Style

T = Through-hole

Power

30 = 30 W

Resistance Value

<100 ohms ... “R” represents decimal

point (examples: 7R50 =

7.5 Ω ; R500 = 0.5 Ω )

≥ 100 ohms.... First three digits are

signi?cant, fourth digit

represents number of

zeros to follow (exam-

ples: 2000 = 200 ohms;

10 - 6

10 - 5

10 -4

10 - 3

10 -2

3002 = 30K ohms)

Overload Duration in Seconds

Absolute Tolerance

J=5%

F=1%

The energy absorbed by the resistor expressed in Joules can be calculated by

multiplying the peak power of the pulse in watts times the length of the pulse in

seconds.

The energy should not exceed the limits shown in the graph. The overload voltage

should not exceed 1.5 times the maximum operating voltage.

Speci?cations are subject to change without notice.

Customers should verify actual device performance in their speci?c applications.

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