Datasheet > 433.250RA000

433.250RA000

更新时间： 2024-01-23 20:03:16

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FUSE SMD VERY FAST 0.25A

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433.250RA000 数据手册

SURFACE MOUNT FUSES

THIN-FILM SURFACE MOUNT

SlimLine 1206 Very Fast-Acting Thin-Film Type 433 Series

• The SlimLine 1206 is an extremely small, low profile

design (1206 chip size) utilizing thin-film technology to

achieve precise control of electrical characteristics.

• The lower height profile produces a flat surface for

improved performance in pick-and-place operations

and an alternate solution for height critical application.

• Mounting pad and electrical specification are identical

to the popular 429 Series specifications.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

Opening

Time at 25°C

4 hours, Minimum

Reference Dimensions:

100%

200%

300%

3.18

(.125")

.64

(.025")

(4)

Sn /Pb

5 seconds, Maximum

0.2 seconds, Maximum

.58

(.023")

1.27

(.050")

AGENCY APPROVALS: Recognized under the

Components Program of Underwriters Laboratories and

Certified by CSA.

.56

(.022")

MARKING CODE VARIES

WITH AMPERAGE RATING

(SEE CHART)

AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.

Sn /Pb

INTERRUPTING RATINGS:

0.125 – .375A

0.5 – 2A

2.5 – 3A

50 A @ 125 V AC/DC

50 A @ 63 V AC/DC

50 A @ 32 V AC/DC

1.52

(.060")

3.18

(.125")

ENVIRONMENTAL SPECIFICATIONS:

Operating Temperature: –55°C to 90°C. Consult tempera-

ture rerating chart on page 4. For operation above 90°C

contact Littelfuse.

1.65

(.065")

1.52

(.060")

4.83

(.190")

Vibration: Per MIL-STD-202F.

1.52

3.81

(.150")

(.060")

Insulation Resistance (After Opening): Greater than

10,000 ohms.

1.14

(.045")

Resistance to Soldering Heat: Withstands 60 seconds

above 200°C up to 260°C, maximum.

Shelf Life (Solderability): 1 year min.

Thermal Shock: Withstands 5 cycles of –55° to 125°C.

2.03

(.080")

WAVE SOLDER

REFLOW SOLDER

PHYSICAL SPECIFICATIONS:

Average Time Current Curves

Materials: Body: Epoxy Substrate

Terminations: Copper/Nickel/Tin-Lead (95/5)

Cover Coat: Conformal Coating

100

Soldering Parameters:

Wave Solder — 260°C, 10 seconds maximum

Infrared Solder — 260°C, 30 seconds maximum

PACKAGING SPECIFICATIONS: 8mm Tape and Reel

per EIA-RS481-2 (IEC 286, part 3); 5,000 per reel,

add packaging suffix, NR.

PATENTS: Patent Pending

ORDERING INFORMATION:

Nominal

Catalog

Number

Ampere

Rating

Marking

Code

Voltage

Rating

Resistance

Cold Ohms¹

Melting I²t

(A²Sec.)²

0433.125

0433.200

0433.250

0433.375

0433.500

0433.600

0433.750

0433.800

0433 001.

0433 1.25

0433 01.5

0433 1.75

0433 002.

0433 02.5

0433 003.

.125

.200

.250

.375

.50

.60

.75

.80

1.0

1.25

1.5

1.75

2.0

2.5

3.0

125

3.45

0.938

0.625

0.375

0.00040

0.00055

0.0010

0.0028

0.0060

0.0131

0.0170

0.0305

0.0350

0.0650

0.125

0.1

0.2405

0.2100

0.1370

0.1225

0.09950

0.07475

0.06250

0.05000

0.03975

0.03065

0.02625

0.01

0.150

0.230

0.50

0.70

0.001

0.1

100

CURRENT IN AMPERES

¹Measured at 10% of rated current, 25°C.

²Measured at rated voltage.

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