Datasheet > ZCF25

ZCF25

更新时间： 2024-11-15 13:47:07

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RCD		/
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Zero Ohm Surface Mount MELF

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ZCF25 数据手册

COMMERCIAL 1/10 to 1/2 WATT

CARBON FILM MELF RESISTORS

RESISTORSCAPACITORSCOILSDELAY LINES

Term.W

is Pb-free

and RoHS

compliant

RoHS

MCF SERIES

Low cost, carbon ﬁlm MELFs! Pulse voltage to 3KV!

Quality levels are unsurpassed due to stringent process con-

trols. Automated Far East production results in low prices. RCD

offers the industry’s widest range of sizes and options including

zero ohm jumpers and high pulse voltage versions.

 Economy-grade pricing!

 Wide resistance range (up to 22MegW available)

 Standard tolerance: ±5% (±2% available)

 Series ZCF zero-ohm jumpers available, .02W maximum.

Type ZCF10 is rated at 2A, ZCF12 at 3A, and ZCF25 at 5A.

ZCF Series marked with a single black band.

OPTIONS

 Option Z - high pulse voltage to 3KV

 Option 37 - Group A screening per Mil-R-39008

Inch [mm]

SPECIFICATIONS

Series MCF Voltage Rating

Max.

Series MCFZ Voltage Rating

Max.

RCD

Type

Wattage

at 70°C

L ±.008

[.2]

D ±.008 W (Min.) t (Max.)

[.2]

Voltage

Rating¹

Resis.

Voltage

Rating¹

Resis.

Pulse

Range³

Voltage²

MCF10

MCF12

MCF22

MCF25

MCF25S

.10

.125

.25

.50

100V

200V

250V

200V

400V

1W - 1MW

n/a

250V

n/a

2KV

n/a

3KV

n/a

1KW - 1MW .079 [2.0] .044 [1.12] .012 [.3] .006 [.15]

1KW - 1MW .135 [3.4] .057 [1.45] .012 [.3] .006 [.15]

1KW - 2.2M .232 [5.9] .085 [2.15] .020 [.5] .008 [.2]

600V 1W - 2.2MW 300V

600V 1W - 2.2MW n/a

Maximum working voltage determined by E =

, E should not exceed value listed in column above. Dielectric strength is rated the same as the maximum working voltage.

√

Peak pulse voltage is highly dependent on pulse waveform and resistance value. Voltage levels given indicate maximum levels for the series. These levels are not attainable for all values and

pulse waveforms. Consult factory for application assistance. ³Consult factory for resistance values outside of standard range (0.1W to 22 Meg available).

TEMPERATURE COEFFICIENT (Typ.)

DERATING

-1000

-750

-500

-250

120

100

10K

100K

10M

NOMINAL RESISTANCE (Ohms)

CURRENT NOISE (Typ.)

-55

100

125

150

155°C

175

200

+20

AMBIENT TEMPERATURE (°C)

-20

-40

-60

PERFORMANCE CHARACTERISTICS

Operating Temperature Range

-55 to +155°C

95% coverage

10,000 MegW

100

10K

100K

10M

Solderability (5 sec. @ 230°C)

NOMINAL RESISTANCE (Ohms)

Insulation Resistance (Dry)

P/N DESIGNATION:

MCF25

102 - J T W

RCD Type

Short-Time Overload (5 sec. @ 2.5x power

not to exceed 2x voltage rating)

0.5%* + .05W

3-Digit Resis. Code: 2 signif. digits & multiplier

1R0=1W, 100=100W, 101=100W, 102=1KW,

103=10K, 104=1M, 105=10M, etc.

Resistance to Solder Heat (260°C, 5 sec.)

Temperature Cycling (-50°C + 120°C)

Moisture Resis. (MIL-Std-202, Method 106)

0.5% + .05W

1.0% + .05W

5.0% + .05W

2.5%* + .05W

Tolerance: J = 5% (standard), K =10%, G =2%

Packaging: B = Bulk, T = Tape & Reel

Termination: W= Lead-free (std), Q= Tin/Lead (leave blank if

either is acceptable)

Load Life (1000 hours rated power)

* Multiply by 2 for MCF22 and MCF25S Series.

RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603 669 0054 Fax: 603 669 5455 Email:sales@rcdcomponents.com

FA090A Sale of this product is in accordance with GF-061. Speciﬁcations subject to change without notice.

中文翻译

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