Littelfuse SMA6L Series Manual do Utilizador descarregar pdf (Página 5)

Transient Voltage Suppression Diodes

Speciﬁcations are subject to change without notice.

Revised: 01/20/14

Surface Mount – 600W > SMA6L series

Dimensions

Physical Speciﬁcations

Weight 0.002 ounce, 0.061 gram

Case

JEDEC DO-221AC Molded Plastic over

glass passivated junction

Polarity Color band denotes cathode except Bipolar

Terminal

Matte Tin-plated leads, Solderable per

JESD22-B102

Dimensions

Inches Millimeters

Min Max Min Max

A 0.156 0.181 3.950 4.600

B 0.189 0.220 4.800 5.600

C 0.049 0.069 1.250 1.750

D 0.088 0.116 2.250 2.950

E 0.030 0.059 0.750 1.500

F 0.005 0.010 0.125 0.250

G 0.035 0.043 0.900 1. 10 0

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 280°C

3.12 (0.123) 1.20 (0.047)

1.52 (0.060)

Mounting Pad Layout

Cathode Band

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

1 2 3 4 5 6

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