MF1-4DC1780F datasheet, PDF - EEWORLD Datasheet

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MF1-4DC1780F: DescriptionMetal Film Resistors - Through Hole 178ohms 1%; CategoryPassive components; File Size225KB，2 Pages; ManufacturerKOA Speer; Websitehttp://www.koaspeer.com/

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Metal Film Resistors - Through Hole 178ohms 1%

MF1-4DC1780F Parametric

Parameter Name	Attribute value
Product Category	Metal Film Resistors - Through Hole
Manufacturer	KOA Speer
RoHS	Details
Resistance	178 Ohms
Power Rating	250 mW (1/4 W)
Tolerance	1 %
Temperature Coefficient	100 PPM / C
Voltage Rating	250 V
Diameter	2.3 mm
Length	7.1 mm
Termination Style	Axial
Qualification	AEC-Q200
Packaging	Bulk
Lead Diameter	0.6 mm
Maximum Operating Temperature	+ 155 C
Minimum Operating Temperature	- 55 C
Package / Case	2.3 mm x 7.1 mm
Product	Metal Film Resistors General Purpose
Factory Pack Quantity	1000
Type	Semi-Precision General Purpose Metal Film Leaded Resistor

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general purpose metal film leaded resistor

features

Semi-precision metal film resistors

Meets requirements of MIL-R-22684

Suitable for automatic machine insertion

MFS two times the power rating of the standard body type

Marking: Blue-gray body color with color-coded bands

Products with lead-free terminations meet EU RoHS

and China RoHS requirements

•

AEC-Q200 Qualified: MF1/4, MFS1/4, MFS1/2

•

dimensions and construction

Trimming Line

Ceramic Core

Type

MFS1/4

L (ref.)

.126±.008

(3.2±0.2)

.248±.02

(6.3±0.5)

.248±.02

(6.3±0.5)

.354±.04

(9.0±1.0)

.610±.02

(15.5±0.5)

.248±.02

(6.3±0.5)

.374±.04

(9.5±1.0)

.610±.04

(15.5±1.0)

Dimensions

inches

(mm)

C (max.)

d (nom.)

.133

(3.4)

.280

(7.1)

.280

(7.1)

.437

(11.1)

.721

(18.3)

.280

(7.1)

.437

(11.1)

.720

(18.3)

.066

(1.7

+.007

-.004

+0.2

)

-0.1

.018

(0.45)

.024

(0.6)

.024

(0.6)

.024

(0.6)

.031

(0.8)

.024

(0.6)

.024

(0.6)

.031

(0.8)

1.50±.118

(38.0±3.0)

0.94 min.

(24.0 min.)

1.50±.118

(38.0±3.0)

1.10±.118

(28.0±3.0)

Marking

Resistive

Film

End

Cap

Lead

Wire

MF1/4

MFS1/2

.091±.012

(2.3±0.3)

.091±.012

(2.3±0.3)

.138±.016

(3.5±0.4)

.217±.02

(5.5±0.5)

.091±.012

(2.3±0.3)

.138±.016

(3.5±0.4)

.217±.02

(5.5±0.5)

Insulation Coating

Derating Curve

100

% Rated Power

-60 -40 -20

-55

Surface Temperature Rise

Temperature Rise (°C)

MF1/2

MF1

RK1/4

RK1/2

MFS1/2

MF1/2

MF1

MFS1/4

MF1/4

80 100 120 140 160

155

Ambient Temperature

(°C)

100

RK1

% Rated Power

* Lead length changes depending on taping and forming.

ordering information

New Part #

Type

MFS

1/4

Power

Rating

1/4: 0.25W

1/2: 0.50W

1: 1W

T.C.R.

E: ±25

C: ±50

D: ±100

L: ±200

G: ±250

B: ±350

Termination

Material

C: SnCu

T52

Taping and Forming

1/4: T26, T52, VT, VTP,

VTE, MT, M, U,

M10, M12.5

1/2: T26, T52, VTP,

VTE, M12.5, M15

1: T521

Packaging

A: Ammo

R: Reel

R20

Nominal

Resistance

+2%: 2 signifi-

cant figures +

1 multiplier

+0.5%,+1%:

3 significant

figures + 1

multiplier

“R” indicates

decimal on

value <100Ω

Tolerance

B: ±0.1%

C: ±0.25%

D: ±0.5%

F: ±1%

G: ±2%

J: ±5%

For further information on packaging,

please refer to Appendix C.

applications and ratings

Minimum

Absolute Absolute

Resistance Range (Ω)

Power

Operating

Part

Dielectric

T.C.R.

Maximum Maximum

Rating

Temperature

Designation

Withstanding (ppm/°C)

(B±0.1%) (C±0.25%) (D±0.5%) (F±1.0%) (G±2.0%) (J±5.0%)

Working Overload

@ 70°C

Range

Voltage

E-24

E-96

E-24 E-192 E-24 E-96

E-24

-55°C

MFS1/4C

C: ±50

49.9 -

300V

—

0.25W

10 - 1M

250V

500V

562k

MFS1/4D

D: ±100

+155°C

Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.

6/22/17

KOA Speer Electronics, Inc.

• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com

159

resistors

MF, MFS, RK

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