MF1 データシートの表示（PDF） - Unspecified

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MF1

general purpose metal film leaded resistor

Unspecified 

MF, MFS, RK

general purpose metal film leaded resistor

applications and ratings (continued)

Part

Designation

Power

Rating

@ 70°C

Minimum

Dielectric T.C.R.

Withstanding (ppm/°C)

Voltage

(B±0.1%)

E-96

Resistance Range (Ω)

(C±0.25%) (D±0.5%) (F±1.0%) (G±2.0%)

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

(J±5.0%)

E-24

Absolute

Maximum

Working

Voltage

Absolute

Maximum

Overload

Voltage

Operating

Temperature

Range

MF1/4C

C: ±50

—

MF1/4D 0.25W 500V D: ±100 —

—

—

10- 2.21M 10 - 2.21M

—

—

250V 500V

MF1/4L

L: ±200 —

—

—

1.0 - 10 0.51 - 10

MFS1/2C

C: ±50

0.50W 500V

—

MFS1/2D

D: ±100

—

10 - 1M 10 - 2.21M 10 - 2.2M

—

350V 700V

MF1/2C

C: ±50

—

MF1/2D 0.50W 700V D: ±100 —

—

10 - 4.99M

10 - 5.05M

—

—

10 - 5.11M

—

350V 700V

MF1/2L

MF1C

MF1D

1W

L: ±200 —

—

—

1.0 - 10 0.51 - 10Ω

C: ±50 47.5 - 1.0M 47.5 - 2.49M

10 - 5.11M 1.0 - 6.81M

—

—

700V D: ±100 —

—

350V

700V

-55°C

to

+155°C

MF1E

E: ±25 47.5 - 1.0M 47.5 - 2.49M 47.5 - 4.64M 47.5 - 5.11M

—

—

RK1/4D

D: ±100 —

—

—

3.09M - 25M

—

—

RK1/4L 0.25W 500V L: ±200 —

—

—

—

3.3M - 33M 3.3M - 33M 500V

700V

RK1/4B

B: ±350 —

—

—

100k - 25M 100k - 33M 100k - 33M

RK1/2D

D: ±100 —

—

—

5.11M - 33M

—

—

RK1/2L 0.50W 700V L: ±200 —

—

—

—

6.2M - 33M 6.2M - 33M 700V

1000V

RK1/2B

B: ±350 —

—

—

100k - 35M 100k - 51M 100k - 51M

RK1BC

1W

1000V B: ±350 —

—

—

100k - 51M 100k - 100M 100k - 100M 1000V 1500V

RK1/2G* 0.50W 700V G: ±250 —

—

—

—

—

1M - 12M 350V

700V

* Discharge path resistor

environmental applications

Performance Characteristics

Parameter

Resistance

T.C.R.

Overload (Short Time)

Resistance to Solder Heat

Dielectric Withstanding Voltage

Insulation Resistance

Requirement ∆ R ±(% + 0.05Ω)

Limit

Typical

Within specified

tolerance

—

Within specified

T.C.R.

—

RK: ±1%, RK1/2G: ±2.5% RK: ±0.6%, RK1/2G: ±1%

MF: ±0.5%

MF: ±0.3%

RK: ±1%; RK1/2G: ±5%; RK: ±0.5%; RK1/2G: ±1%

MFS: ±0.75%; MF1/4, MFS1/4: ±0.4%; MF1/4,

MFS1/2, MF1/2: ±0.5%, MFS1/2, MF1/2: ±0.25%

No breakdown

—

Not less than 10,000MΩ

—

25°C

Test Method

Room temperature, +100°C, RK: +25°C/+125°C

Rated voltage x 2.5 or max. overload voltage for 5 seconds, whichever is less;

MFS1/2: Rated voltage x 2 or max. overload voltage for 5 seconds, whichever is less

260°C ± 5°C, 10 seconds ± 1 second or

350°C ± 10°C, 3.5 seconds ± 0.5 second

1 minute

100V, 1 minute

Rapid Change of Temperature

Moisture Resistance

Endurance at 70°C

Resistance to Solvent

Impulse

RK,MF: ±1%;

RK1/2G: ±5%

MF: ±0.3%; RK: ±0.5%,

RK1/2G: ±1%

RK: ±5%; RK1/2G: ±10%; RK: ±2%; RK1/2G: ±5%;

MFS1/4: ±1.5%; MF1/4, MFS1/4: ±1%; MF1/4,

MFS1/2, MF1/2: ±1% MFS1/2, MF1/2: ±0.75%

RK: ±5%; RK1/2G: ±10%; RK: ±2%; RK1/2G: ±5%;

MFS1/4: ±1.5%; MF1/4, MFS1/4: ±1%; MF1/4,

MFS1/2, MF1/2: ±1% MFS1/2, MF1/2: ±0.75%

No abnormality in

appearance. Marking

—

shall be easily legible

No such abnormalities

as short-circuit, burnout,

—

breakdown, etc.

-55°C (30 minutes), +155°C (30 minutes), 5 cycles

40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

The resistor shall be immersed for 5 seconds in IPA

Discharge from 1000pF capacitor 50 pulses. Internal 2.5 seconds.

Charge voltage: 1.25kV (RK1/4), 2.5kV (RK1/2) and 6kV (RK1)

170

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

2/20/17

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

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