SP4021 datasheet(4/5 Pages) LITTELFUSE

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TVS Diode Arrays (SPA®Diodes)

Specifications are subject to change without notice.

Revised: 05/04/17

Lightning Surge Protection- SP4021 Series

Time

TS(max)

TS(min)

time to peak temperature

Preheat

Ramp-up

Ramp-down

Ramp-do

Critical Zone

TL to TP

Critical Zone

TL to TP

Reflow Condition

Pb – 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

L) to peak

3°C/second max

S(max) to TL - Ramp-up Rate

3°C/second max

Reflow

-Temperature (T

L) (Liquidus)

217°C

-Temperature (t

60 – 150 seconds

PeakTemperature (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 peakTemperature (T

8 minutes Max.

Do not exceed

260°C

Soldering Parameters

Product Characteristics

Lead Plating

Matte Tin

Lead Material

Iron Alloy

Lead Coplanarity

0.0004 inches (0.102mm)

Substitute Material

Silicon

Body Material

Molded Epoxy

Flammability

UL 94 V-0

Notes :

1. All dimensions are in millimeters

2. Dimensions include solder plating.

3. Dimensions are exclusive of mold flash & metal burr.

4. Blo is facing up for mold and facing down for trim/form, i.e. reverse trim/form.

5. Package surface matte finish VDI 11-13.

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