Littelfuse SMF Series Bedienungsanleitung PDF herunterladen (Seite 5)

Transient Voltage Suppression Diodes

Speciﬁcations are subject to change without notice.

Revised: 01/20/14

Surface Mount – 200W > SMF Series

Physical Speciﬁcations

Case

SOD-123F plastic over glass passivated

junction

Polarity Color band denotes cathode except bipolar

Terminal

Matte tin-plated leads, solderable per

JESD22-B102

Environmental Speciﬁcations

High Temp. Storage JESD22-A103

HTRB JESD22-A108

Temperature Cycling JESD22-A104

MSL JEDEC-J-STD-020, Level 1

H3TRB JESD22-A101

RSH JESD22-B106

Soldering Parameters

Temperature (T)

Time (t)

s(min)

s(max)

Preheat

Ramp-up Critical Zone

Ramp-down

t 25˚C to Peak

25˚C

Reﬂow Condition Lead–free assembly

Pre Heat

- Temperature Min (T

s(min)

) 150°C

- Temperature Max (T

s(max)

) 200°C

- Time (min to max) (t

) 60 – 180 secs

Average ramp up rate (Liquidus Temp

) to peak

3°C/second max

S(max)

to T

- Ramp-up Rate 3°C/second max

Reﬂow

- Temperature (T

) (Liquidus) 217°C

- Time (min to max) (t

) 60 – 150 seconds

Peak Temperature (T

) 260

+0/-5

°C

Time within 5°C of actual peak

Temperature (t

)

20 – 40 seconds

Ramp-down Rate 6°C/second max

Time 25°C to peak Temperature (T

) 8 minutes Max.

Do not exceed 260°C

Dimensions - SOD-123F Package

Dimensions

Millimeters Inches

Min Max Min Max

A 2.50 2.90 0.0984 0.1142

B 3.40 3.90 0.1339 0.1535

C 0.70 1.20 0.0275 0.0472

D 1.50 2.00 0.0591 0.0787

E 0.35 0.90 0.0138 0.0354

F 0.05 0.26 0.0020 0.0102

G 0.00 0.10 0.0000 0.0039

H 0.95 1. 10 0.0374 0.0433

1.6 (0.062)

1.3 (0.051)

1.4 (0.055)

Mounting Pad Layout

1 2 3 4 5 6

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