0242.250UAT1S View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

0242.250UAT1S

Special Application Fuses 242 Series Barrier Fuse

Unspecified 

Special Application Fuses

242 Series Barrier Fuse

Temperature De-Rating Curve

140%

120%

100%

80%

60%

40%

20%

0%

-55

-35

-15

5

25

-45

65

Temperature (°C)

85

105

125

Average Time Current Curves

100

10

1

0.1

0.01

0.001

Soldering Parameters

Reflow Condition

Pb – Free assembly

Pre Heat

- Temperature Min (Ts(min))

- Temperature Max (Ts(max))

- Time (min to max) (ts)

Average ramp up rate (Liquidus Temp

(TL) to peak

TS(max) to TL - Ramp-up Rate

Reflow

- Temperature (TL) (Liquidus)

- Temperature (tL)

Peak Temperature (TP)

Time within 5°C of actual peak Temp. (tp)

Ramp-down Rate

150°C

200°C

60 – 180 secs

5°C/second max

5°C/second max

217°C

60 – 150 seconds

250+0/-5 °C

20 – 40 seconds

5°C/second max

Time 25°C to peak Temperature (TP)

Do not exceed

8 minutes Max.

260°C

0.0001

0.01

0.1

1

10

100

1000

CURRENT IN AMPERES

TP

TL

TS(max)

Ramp-up

TS(min)

Preheat

tS

25

time to peak temperature

(t 25ºC to peak)

tP

Critical Zone

TL to TP

tL

Ramp-down

Time

Wave Soldering

260°C, 10 seconds max.

Material Information

Body

Leads

Endcaps

Ceramic

Tin-Plated Copper

Silver-Plated Brass

© 2018 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 05/31/18

Product Characteristics

Operating Temperature

Thermal Shock

Vibration

Insulation Resistance

(After Opening)

–40OC to 125OC (Consider re-

rating)

Withstands 5 cycles of – 55OC to

125OC

Per MIL-STD-202 Method 201

Greater than 10,000 ohms.

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