NAS-1/214510.5% datasheet, PDF

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NAS-1/214510.5%: DescriptionFixed Resistor, Metal Alloy, 0.5W, 1450ohm, 0.5% +/-Tol, -20,20ppm/Cel,; CategoryPassive components The resistor; File Size48KB，2 Pages; ManufacturerTT Electronics plc; Websitehttp://www.ttelectronics.com/

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NAS-1/214510.5% Overview

Fixed Resistor, Metal Alloy, 0.5W, 1450ohm, 0.5% +/-Tol, -20,20ppm/Cel,

NAS-1/214510.5% Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	TT Electronics plc
Reach Compliance Code	compli
structure	Wirewound
JESD-609 code	e0
Lead diameter	0.5 mm
Lead length	38.1 mm
Number of terminals	2
Package diameter	2.4 mm
Package length	7.9 mm
Package form	Axial
Rated power dissipation(P)	0.5 W
resistance	1450 Ω
Resistor type	FIXED RESISTOR
series	AS-1/2(.5% TOL)
technology	METAL ALLOY
Temperature Coefficient	-20,20 ppm/°C
Terminal surface	Tin/Lead (Sn60Pb40)
Tolerance	0.5%

NAS-1/214510.5% Preview

SEMI-PRECISION POWER

WIREWOUND RESISTOR

ISO-9001

Registered

SERIES

•

1/4 watt to 10 watts

±5%, ±3%, ±1%, ±.5% tolerance

0.1 ohm to 175K ohms

Resistance wire TCR ±20 ppm/°C

Alloy resistance wire wound

to specific parameters

including TCR's from ±20 to

+5500 ppm/°C

Alpha - Digital

Marking

All welded cap

and lead

assembly

Heat conducting

ceramic substrate

Silicone conformal

coating

SPECIFICATIONS:

Power Rating 275°C

Equivalent Max. Hot Spot (watts)

MIL-R-26

IRC Type

125°C

25°C

Style

AS-1/4

RW81

0.5

AS-1/2

0.5

AS-1

RW70U

AS-1C

RW-69V/

AS-2

RW79U

AS-2B

AS-2C

AS-3

AS-5

AS-7

AS-10

RW68V/

RW78U

RW74U/

RW67V

Commercial Range

(ohms)

Min.

0.1

.05

0.1

Max.

1.0K

6.0K

7.5K

20K

24K

18K

30K

60K

90K

175K

Non-Inductive Range

(ohms)

Min.

0.1

0.5

0.2

0.5

0.8

1.0

3.0

Max.

3.8K

10K

12K

7.5K

15K

30K

45K

50K

Available Resistance

(ohms)

0.5%, 1%

1-1K

1-6K

1-7.5K

1-2K

1-20K

1-24K

1-18K

1-30K

1-60K

1-90K

1-175K

3%, 5%

0.1-1K

0.1-6K

0.1-7.5K

.05-2K

0.1-20K

0.1-24K

0.1-18K

0.1-30K

0.1-60K

0.1-90K

0.1-175K

Inductance of AS-1/2 is less than 1µH at 1MHz.

To order non-inductive types, add the prefix "N". Example: NAS-1, NAS-2C, etc.

* Typical inductance of AS-1C <5 ohms is < 1µH.

Lower values available upon request.

DIMENSIONS

(Inches and (mm)):

Please note lead length

dimension change on the

following two items only:

AS-2B 1.3 min

AS-2C 1.3 min

1.50 min.

(38.1)

NOTE:

•

Coating and marking is resistant to normal freon degreasing.

Consult factory for special requirements.

•

AS marking available in Alpha Numeric or Colorbanding -

identification available.

IRC Type

AS-1/4

AS-1/2

AS-1

AS-1C

AS-2

AS-2B

AS-2C

AS-3

AS-5

AS-7

AS-10

A±0.032

0.250 (6.4)

0.312 (7.9)

0.367 (9.3)

0.256 (6.5)

0.480 (12.2)

0.540 (13.7)

0.489 (11.0)

0.687 (17.5)

0.875 (22.2)

1.250 (31.8)

1.812 (46.0)

B (max)

0.094 (2.4)

0.125 (3.2)

0.115 (2.9)

0.250 (6.3)

0.219 (5.6)

0.157 (4.0)

0.282 (7.2)

0.344 (8.8)

0.385 (9.8)

C (max)

0.312 (7.9)

0.375 (9.5)

0.429 (10.9)

0.303 (7.7)

0.600 (15.2)

0.663 (16.6)

0.594 (15.1)

0.812 (20.6)

0.980 (24.9)

1.375 (35.0)

1.937 (49.2)

D (Lead Diameter)

0.020 (0.5)

0.020 (0.5) 0.025 (0.64)

0.025 (0.64) 0.032 (0.8)

0.032 (0.8)

0.040 (1.0)

*Leads 60/40 are solder plated. AS-1C leads are copper. All others are 40% conductivity copper sheathed steel.

WIREWOUND AND FILM TECHNOLOGIES DIVISION

736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com

ISO-9001

Registered

POWER DERATING:

200

AS-1/4, 1/2, 1

Percent of 125°C Power Rating

TEMPERATURE RISE @ 25°C:

275

250

Hot Spot Temperature (°C)

AS-7, 10

AS-3,

AS-5

AS-1, AS-2

AS-2

175

AS-3

150

125

100

200

150

100

AS-2A, 2C

AS-2

AS-5, 10

AS-7, 2B

AS-7, 25

AS-2A, 2C

AS-2B

AS-1/2

AS-1/4

125

175

225

275

120

160

200

Ambient Temperature (°C)

Percent of 25°C Power Rating

TEMPERATURE RISE @ 125°C:

275

250

Hot Spot Temperature (°C)

AS-7, 10

AS-3, AS-5

AS-5

AS2A, AS2C

AS-3, 2A, 2C

SELECTED PULSE-HANDLING

CAPABILITY @ 125°C:

Energy (watts-second)

AS-2A

AS-2

AS-3

AS-2

AS-2B

AS-1/2

200

AS-1/4

AS-2B

AS-1/2

AS-1/4

AS-2C

AS-1

150

125

120

160

200

100

0.1

0.2

0.5

Percent of 125°C Power Rating

Resistance (ohms)

ENVIRONMENTAL TESTING AT 25°C:

TEST CONDITION

Load Life 1000 hours

Moisture Resistance

Temperature Cycle

Short Time Overload

Low Temperature Operation

Solder Heat

Shock

Vibration

MAX

∆

1.0%

0.5%

0.25%

0.5%

HOW TO ORDER:

Sample Part No.:

AS-3 27R0 0.25%

Type

Power

3 =3 watts

(See specification chart

for other power ratings)

Resistance Value

Expressed in ohms

(Standard EIA/MIL Values)

Tolerance

±5%, ±3%, ±1%, ±0.5%

WIREWOUND AND FILM TECHNOLOGIES DIVISION

736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com

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