Littelfuse P4KE Series Bedienungsanleitung PDF herunterladen (Seite 5)

Transient Voltage Suppression Diodes

© 2014 Littelfuse, Inc.

Speciﬁcations are subject to change without notice.

Revised: 01/24/14

Axial Leaded – 400W > P4KE series

Physical Speciﬁcations

Weight 0.012oz., 0.3g

Case

JEDEC DO-204AL (DO-41) molded

plastic body over passivated junction.

Polarity

Color band denotes the cathode except

Bipolar.

Terminal

Matte Tin axial leads, solderable per

JESD22-B102.

Dimensions

Dimensions

Inches Millimeters

Min Max Min Max

A 1.000 - 25.40 -

B 0.160 0.205 4.10 5.20

C 0.028 0.034 0.71 0.86

D 0.080 0.107 2.00 2.70

D

A

A

C

B

Cathode Band

(for Uni-directional products only)

DO-204AL (DO-41)

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

Flow/Wave Soldering (Solder Dipping)

Peak Temperature : 260

O

C

Dipping Time : 5 seconds

Soldering : 1 time

Environmental Speciﬁcations

High Temp. Storage JESD22-A103

HTRB JESD22-A108

Temperature Cycling JESD22-A104

H3TRB JESD22-A101

RSH JESD22-B106

1 2 3 4 5 6

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