RW7L1781D datasheet, PDF - EEWORLD Datasheet

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RW7L1781D: DescriptionFixed Resistor, Wire Wound, 7W, 1780ohm, 600V, 0.5% +/-Tol, 20ppm/Cel, Through Hole Mount, POWER TYPE RESISTOR; CategoryThe resistor; File Size103KB，1 Pages; ManufacturerKOA Speer; Websitehttp://www.koaspeer.com/

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RW7L1781D Overview

Fixed Resistor, Wire Wound, 7W, 1780ohm, 600V, 0.5% +/-Tol, 20ppm/Cel, Through Hole Mount, POWER TYPE RESISTOR

RW7L1781D Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	KOA Speer
package instruction	,
Reach Compliance Code	not_compliant
ECCN code	EAR99
JESD-609 code	e0
Manufacturer's serial number	RW
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	275 °C
Package shape	TUBULAR PACKAGE
method of packing	BULK
Rated power dissipation(P)	7 W
Rated temperature	25 °C
resistance	1780 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	20 ppm/°C
Terminal surface	Tin/Lead (Sn/Pb)
Terminal shape	WIRE
Tolerance	0.5%
Operating Voltage	600 V
Base Number Matches	1

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POWER TYPE RESISTORS

TECHNOLOGY OF TOMORROW

WIREWOUND

MINIATURE TYPE

POWER

STRUCTURE

Ceramic core

Resistive element (wire)

Steel cap

(Cu, Sn plated)

Lead wire

Insulation coating

IDENTIFICATION

PRODUCT CODE

COATING COLOR

Black

MARKING

Alpha Numeric

(Type, R-value and

tolerance)

TYPE DESIGNATION (HOW TO ORDER)

PRODUCT

CODE

1/2

POWER

RATING

Unit: Watt

TERMINATION

SURFACE

MATERIAL

C: SnCu

L: Sn/Pb

T52

TAPING &

FORMING

PACKAGING

A: Ammo

“Blank”: Bulk

2611

NOMINAL

RESISTANCE

D, F: 4 digits

H, J: 3 digits

RESISTANCE

TOLERANCE

*Please see “PACKAGING”

FEATURES

Wirewound power and precision type resistor (0.5 W to 10 W)

Miniature size

Excellent long term stability

Excellent environment performance

Axial taping is available for RW 1/2 and RW1

Tolerance ±0.1% is available on request

DIMENSIONS (mm)

TYPE

RW 1/2

RW 1

RW 2

RW 3

RW 5

RW 7

RW 10

8 ± 1.0

10.5 ± 1.0

13 ± 1.0

16.5 ± 1.0

22 ± 1.0

31.5 ± 1.0

46 ± 1.5

ØD

1.6

- 0

2.7 ± 1.0

5.2 ± 1.0

6.4 ± 1.0

7.8 ± 1.5

9.3 ± 1.5

+1.0

Ød (nominal)

0.5

0.8

1.0

DERATING CURVE

Characteristic U: Recommended maximum wattage

rating for best long term stability.

Allows 275°C hot spot and ±0.5% load life stability.

Characteristic V: Dual wattage rating allows 350°C hot

spot and ±3%

∆R

after 1000 Hrs load life stability.

RATING

TYPE

RW 1/2

RW 1

RW 2

RW 3

RW 5

RW 7

RW 10

T.C.R.

(ppm/K)

POWER RATING (at 25°C)

0.5 W

10 W

14 W

MAX.

WORKING

VOLTAGE

80 V

130 V

140 V

200 V

400 V

600 V

1000 V

MAX.

OVERLOAD

VOLTAGE

150 V

300 V

500 V

600 V

700 V

800 V

1500 V

RESISTANCE RANGE AND TOLERANCE*

D(±0.5%)

Ω

... 2.61 kΩ

Ω...

5.11 kΩ

Ω...

10 kΩ

Ω...

15 kΩ

Ω...

30.1 kΩ

Ω...

45.3 kΩ

Ω...

60.4 kΩ

F(±1%)

Ω

... 2.61 kΩ

Ω...

5.11 kΩ

Ω...

10 kΩ

Ω...

15 kΩ

Ω...

30.1 kΩ

Ω...

45.3 kΩ

Ω...

60.4 kΩ

H(±3%) • J(±5%)

0.47

Ω...

2.7 kΩ

0.1

Ω...

5.1 kΩ

0.1

Ω...

10 kΩ

0.1

Ω...

15 kΩ

0.1

Ω...

30 kΩ

0.1

Ω...

47 kΩ

0.1

Ω...

62 kΩ

±90: R<1Ω

±50: 1Ω<R<9.9Ω

±20: R≥10Ω

* Tolerance ± 0.1 % is available on request.

129

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