Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Surface Mount Recommendations

TheModelSCSeriesbreakerisdesignedforreflowandhandsoldering.Itisnotdesignedorwarrantedforflowsoldering.Thefollowing

conditions must be adhered to:

ReflowSoldering:

Therecommendedreflowsoldering

conditions are as follows:

150 ~ 180 °C ............... 100 ~ 150 seconds

≤220°C........................ 20 ~ 40 seconds

255 ~ 260 °C ............... 5 ~ 10 seconds

Processbreakerinareflowfurnaceusing

theprofileshownabovethreetimes,

followed by positioning the breaker in

ambient temperature of +25 °C for 8 hours.

Time (Seconds)

0

30

60

90

120

150

180

210

240

270

060

120

180

240

300

360

TEMPERATURE

150 ~ 180 °C

≤220 °C

245 °C

_ TIME

100 ~ 150 Seconds

20 ~ 40 Seconds

Peak

.....

.....

.....

Do not expose the breaker to temperatures exceeding +260 °C.

Recommended Reflow Profile

Recommended Land Pattern

Recommended Mask Thickness: 0.12 mm / (.005 in.)

Recommended Solder Particle Size: 30 µm

Mounting Cautions

Inordertoprotectthehousingandmechanicalpartsinsidefromdeformation,preventexcessiveloadatthetimeofpartabsorption/part

deployment and mounting. A part absorption nozzle more than 2 mm in diameter with a 3 N (5 N max.) mounting load is recommended. Any

shocktotheproductbythenozzleduringthemountingproceduremayhaveanegativeimpactonthefunctionofthebreaker.

DIMENSIONS:

MM

(INCHES)

4.7

(.185)

4.4 +0.25/-0.05

(.173 +.010/-.002)

ARM

TERMINAL

BASE

TERMINAL

COVER

BIMETAL

DISC

ARM

COVER PLATE

BASE

CONTACT

PTC

2.8

(.110)

0.125

(.005)

R

4 PLCS.

4 PLCS.

1.07 ± 0.05

(.042 ± .002) SCxxAAA

0.94 ± 0.05

(.037 ± .002) SCxxAAB

0.08

(.003)

1.71

(.067)

1.71

(.067)

0.5

(.020)

1.54

(.061)

1.49

(.059)

BASE

TERMINALS

ARM

TERMINALS

3.42

(.135)

2.3

(.091)

0.7

(.028)

BASE

TERMINALS

ARM

TERMINALS

0.7

(.028)