TC025PA OHMITE [Ohmite Mfg. Co.], TC025PA Datasheet

TC025PA

Manufacturer Part Number

TC025PA

Description

PECOS Resistors Thick Film on Porcelainized Steel Substrate

Manufacturer

OHMITE [Ohmite Mfg. Co.]

Datasheet

1.TC025PA.pdf (1 pages)

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TC Series

PECOS

Thick Film on Porcelainized

Steel Substrate

TC010PA

TC020PA

TC025PA

TC050PA

TC100PA

*20% Values are not laser trimmed and offer enhanced surge handling.

Series

Ohmite Manufacturing Company

0.28"/ 7.11mm

Terminal Detail:

Watts

Power Rating

100

100 1.300 /

10 10

20 0.600 / 15.24 1.10 / 27.94 1.40 / 35.56 0.37 / 9.40 1.00 / 25.40

25 25 1.000 /

50 1.000 / 25.40 1.75 / 44.45

Resistors

� � � � � � � � � � � �

typical

1.000 / 25.40

1.300 / 33.02

0.300 /

0.300 / 7.62

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

(0.1"/ 2.54mm

0.2"/ 5.08mm

25.40 1.60 /

33.02 2.55/

for 10 watt)

7.62 0.55 /

0.55 / 13.97

1.60 / 40.64

Package

PA = standard

2.55/ 64.77

64.77

13.97

13.97 1.25 /

40.64 1.25 /

44.45

44.45 2.50 / 63.50 0.37 / 9.40 1.40 / 35.56

0.2"/ 5.08mm

Dimensions (in. / mm

Dimensions (in. /

E = RoHS compliant

Available Jan. 2006

1.25 / 31.75

3.35 /

3.35 / 85.09

Resistance (�)

5R00 = 5.0

50R0 = 50.0

This product has been

DISCONTINUED

31.75 0.29 /

31.75 0.37 /

85.09 0.37 /

3601 Howard St., Skokie, IL 60076 • Tel. 847-675-2600 • Fax 847-675-1505 • www.ohmite.com • info@ohmite.com

0.04" diam. Pins

(corner pins can

be omitted at

customer request)

0.41"/ 10.41mm

0.29 / 7.37

0.37 / 9.40

)

Tolerance

J = 5%

K = 10%

L* = 20%

�

7.37

7.37 0.50 /

9.40 1.40 /

9.40 1.70 /

0.50 / 12.70

1.40 / 35.56

1.70 / 43.18

12.70

35.56

43.18

PECOS

Enamel Coating on Steel. It is

a plate resistor system utiliz-

ing thick film ruthenium oxide

on a porcelain coated steel

substrate. Copper plated silver

conductors are employed and

the resistive element is pro-

tected by a glass passivation

layer.

inductance (50nh @1MHz)

and very high power densities

(15W/in

mountable, they are economic

to install and best suited for

applications under 200V oper-

ating.

F E A T U R E S

• 15W/in

• Low Inductance

• Easy to Install

These resistors offer low

). Being PC-board

Power Density

stands for Porcelain

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

S P E C I F I C A T I O N S

Material

Substrate: PECOS

Resistor: Ruthenium Oxide

Coating: Glass

Terminals: Solder Plated

Thermal Conductivity: 60 Watts/

Temperature Coefficient:

Electrical

Ohmic Range: 1-2500Ω

Tolerance: ±1-5% to 20%

Power Rating: Based on 25°C

Maximum Operating Voltage:

Overload: Five times rated power,

100

Enamel Coating on Steel)

Phosphor Bronze, riveted in

place and electrically connected

with high temperature solder.

Meter/°C, x-y direction

150 ppm/°C ≥ 1Ω

free air

200 VDC

as long as the one second aver-

age dissipation does not exceed

the wattage rating.

∆R: ±2%, 2000 hours

Ambient Temperature, °C

100

150

200

(Porcelain

250

300

350

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