Littelfuse P4SMA Series Manual do Utilizador descarregar pdf (Página 5)

Transient Voltage Suppression Diodes

© 2014 Littelfuse, Inc.

Speciﬁcations are subject to change without notice.

Revised: 01/20/14

Surface Mount – 400W > P4SMA series

Physical Speciﬁcations

Weight 0.002ounce,0.061gram

Case

JEDECDO-214AC.Moldedplasticbody

overglasspassivatedjunction

Polarity

Colorbanddenotespositiveend

(cathode)exceptbidirectional

Terminal

MatteTin-platedleads,Solderableper

JESD22-B102

Dimensions

Soldering Parameters

Temperature (T)

Time (t)

T

s(min)

T

s(max)

T

L

T

P

t

s

Preheat

t

L

t

p

Ramp-up Critical Zone

T

L

to

T

P

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

s

) 60–180secs

Average ramp up rate (Liquidus Temp

(T

L

) to peak

3°C/secondmax

T

S(max)

to T

L

- Ramp-up Rate 3°C/secondmax

Reﬂow

- Temperature (T

L

) (Liquidus) 217°C

- Time (min to max) (t

s

) 60–150seconds

Peak Temperature (T

P

) 260

+0/-5

°C

Time within 5°C of actual peak

Temperature (t

p

)

20–40seconds

Ramp-down Rate 6°C/secondmax

Time 25°C to peak Temperature (T

P

) 8minutesMax.

Do not exceed 280°C

Dimensions

Inches Millimeters

Min Max Min Max

A 0.049 0.065 1.250 1.650

B 0.157 0.177 3.990 4.500

C 0.100 0.110 2.540 2.790

D 0.078 0.090 1.980 2.290

E 0.030 0.060 0.780 1.520

F - 0.008 - 0.203

G 0.194 0.208 4.930 5.280

H 0.006 0.012 0.152 0.305

I 0.070 - 1.800 -

J 0.082 - 2.100 -

K - 0.090 - 2.300

L 0.082 - 2.100 -

DO-214AC (SMA)

Cathode Band

(

for Uni-directional products only)

A

D

E

G

F

H

C

B

(all dimensions in mm)

I

L

K

J

Solder Pads

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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