TM25NI-.00988OHM-0.1% datasheet, PDF

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TM25NI-.00988OHM-0.1%: DescriptionFixed Resistor, Wire Wound, 25W, 0.00988ohm, 0.1% +/-Tol, -90,90ppm/Cel,; CategoryPassive components The resistor; File Size58KB，1 Pages; ManufacturerElectro Technik Industries; Environmental Compliance

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TM25NI-.00988OHM-0.1% Overview

Fixed Resistor, Wire Wound, 25W, 0.00988ohm, 0.1% +/-Tol, -90,90ppm/Cel,

TM25NI-.00988OHM-0.1% Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	755740133
Reach Compliance Code	unknown
ECCN code	EAR99
structure	Aluminum Housing
Number of terminals	2
Maximum operating temperature	275 °C
Minimum operating temperature	-55 °C
Package height	14.2 mm
Package length	26.9 mm
Package form	Chassis Mount
Package width	27.7 mm
Rated power dissipation(P)	25 W
resistance	0.00988 Ω
Resistor type	FIXED RESISTOR
series	TM
technology	WIRE WOUND
Temperature Coefficient	90 ppm/°C
Tolerance	0.1%

TM25NI-.00988OHM-0.1% Preview

TEPRO

ELECTRO TECHNIK

TYPE “TM”

PRECISION POWER WIREWOUND

ALUMINUM HOUSED,

CHASSIS MOUNT RESISTORS

FEATURES:

Chassis mount for heat sink effect

Epoxy protected windings

Miniature size

Noninductive windings

High stability

Optimum power to size ratio

Higher ambients

Withstand severe environments

VARIATIONS:

Special TC on request

Closer tolerances to .01%

Special terminals

Flexible leads

ENVIRONMENTAL SPECIFICATIONS:

GENERAL

SPECIFICATIONS:

Standard tolerances:

±0.1 to 5%

Dielectric strength:

1000 VAC TM-5, TM-10, TM-25

2000 VAC TM-50,

3000 VAC TM-100, TM-250

Insulation resistance:

10000 megohms minimum

Temperature coefficients:

10Ω and above: ±20ppm

1Ω to 9.9Ω: ±50ppm

Below 1Ω: ±90ppm

Terminal strength:

5lb. pull test TM-5, TM-10

10lb. pull test all others

Standard terminals:

Tinned copper, flattened and

pierced TM-5 to TM-50

Threaded on TM-100 and TM-250

Housing: Anodized aluminum

Core:

Steatite or alumina

Winding: Copper-nickel or nickel-chrome

alloy as required by resistance

Sealant: High-temperature silicone

Power rating: Based on;

(a) full power operation at 25°C

(b) 1% maximum

∆

R in

1000 hour load life

(d) mounting on proper heat sink

Recommended heat sink:

Aluminum chassis;

6 x 4 x 2 x .040 TM-5, TM-10

7 x 5 x 2 x .040 TM-25

12 x 12 x .050 TM-50

12 x 12 x .125 TM-100, TM-250

TEST

Load life

Moisture resistance

Resistance temperature

Characteristic

Thermal shock

Momentary overload

Dielectric

High temperature storage

Shock

Vibration

Terminal strength

MIL-R-18546

± (1% + 0.05Ω)

∆

± (1% + 0.05Ω)

∆

±50ppm to 2000Ω

±30ppm over 2000Ω

± (.5% + 0.05Ω)

∆

± (.5% + 0.05Ω)

∆

± (.2% + 0.05Ω)

∆

± (.5% + 0.05Ω)

∆

± (.2% + 0.05Ω)

∆

± (.2% + 0.05Ω)

∆

± (.2% + 0.05Ω)

∆

POWER

TEPRO RATINGS/WATTS

TYPE TEPRO

MIL.

TM 5

TM 10

TM 25

TM 50

TM 100

TM 250

7.5

12.5

25.0

50.0

100.0

250.0

120

RESISTANCE RANGE OHMS

TEPRO

TYPE

MIN.

MAX.

0.005

0.010

20K

40K

90K

250K

500K

700K

Notes:

For noninductive windings

add "NI" to type. Maximum

resistance 1/3 that shown.

All data and dimensions

subject to change without

notice.

DERATING:

% OF RATED POWER

Operation in high ambients or on reduced

chassis areas requires derating in accordance

with the accompanying curve. TM-5 and

TM-10 types may be operated in ambients

to 75°C without derating. (Curve A)

DERATING CURVE

120

100

125

175

225 275

AMBIENT TEMP. °C

Curve A: TM-5, TM-10

Curve B: All others

325

Toll Free: 800.346.5164

Phone:

727.796.1044

TEPRO

P.O. BOX 1260 • CLEARWATER, FL 33757

ELECTRO TECHNIK

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