Littelfuse 1KSMB Series Bedienungsanleitung PDF herunterladen (Seite 5)

Transient Voltage Suppression Diodes

© 2014 Littelfuse, Inc.

Speciﬁcations are subject to change without notice.

Revised: 01/20/14

Surface Mount – 1000W > 1KSMB series

Physical Speciﬁcations

Weight

0.003 ounce, 0.093 grams

Case

JEDEC DO214AA. Molded plastic body

over glass passivated junction

Polarity

Color band denotes cathode except

Bidirectional.

Terminal

Matte Tin-plated leads, Solderable per

JESD22-B102

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 0.077 0.086 1.950 2.200

B 0.160 0.180 4.060 4.570

C 0.130 0.155 3.300 3.940

D 0.084 0.096 2.130 2.440

E 0.030 0.060 0.760 1.520

F - 0.008 - 0.203

G 0.205 0.220 5.210 5.590

H 0.006 0.012 0.152 0.305

I 0.089 - 2.260 -

J 0.085 - 2.160 -

K - 0.107 - 2.740

L 0.085 - 2.160 -

Dimensions

A

D

E

G

F

H

C

B

Cathode Band

(for Uni-directional products only)

DO-214AA (SMB J-Bend)

(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

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