SMF54A 查看數據表（PDF） - Littelfuse, Inc

零件编号

产品描述 (功能)

生产厂家

SMF54A

Transient Voltage Suppression Diodes

Littelfuse, Inc 

Transient Voltage Suppression Diodes

Surface Mount – 200W > SMF Series

Soldering Parameters

Reflow Condition

- Temperature Min (Ts(min))

Pre Heat - Temperature Max (Ts(max))

- Time (min to max) (ts)

Average ramp up rate (Liquidus Temp (TA)

to peak

TS(max) to TA - Ramp-up Rate

Reflow

- Temperature (TA) (Liquidus)

- Time (min to max) (ts)

Peak Temperature (TP)

Time within 5°C of actual peak

Temperature (tp)

Ramp-down Rate

Time 25°C to peak Temperature (TP)

Do not exceed

Lead–free

assembly

150°C

200°C

60 – 180 secs

3°C/second max

3°C/second max

217°C

60 – 150 seconds

260+0/-5 °C

20 – 40 seconds

6°C/second max

8 minutes Max.

260°C

Physical Specifications

Case

Polarity

Terminal

SOD-123FL plastic over glass passivated

junction

Color band denotes cathode except

bipolar

Matte tin-plated leads, solderable per

JESD22-B102

Dimensions - SOD-123FL Package

F

C

D

Mounting Pad Layout

1.6 (0.062)

1.3 (0.051)

1.4 (0.055)

TP

TL

Ts(max)

Ts(min)

25˚C

Ramp-up

tp

tL

Critical Zone

TL to TP

ts

Preheat

Ramp-down

t 25˚C to Peak

Time (t)

Environmental Specifications

High Temp. Storage

HTRB

Temperature Cycling

MSL

H3TRB

RSH

JESD22-A103

JESD22-A108

JESD22-A104

JEDEC-J-STD-020, Level 1

JESD22-A101

JESD22-A111

Dimensions

A

B

C

D

E

F

G

H

Millimeters

Min

Max

2.50

2.90

3.40

3.90

0.70

1.20

1.50

2.00

0.35

0.90

0.05

0.26

0.00

0.10

0.95

1.10

Inches

Min

Max

0.0984

0.1142

0.1339 0.1535

0.0275 0.0472

0.0591 0.0787

0.0138 0.0354

0.0020

0.0102

0.000

0.0039

0.0374 0.0433

© 2017 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 12/06/17

Share Link: