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Sidactor, Protection thyristors, Broadband optimized – Littelfuse TwinChip Series DO-15 User Manual

Page 3: Protection

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SIDACtor

®

Protection Thyristors

51

Revised: February 22, 2011

© 2011 Littelfuse, Inc.
Specifications are subject to change without notice.

Please refer to www.littelfuse.com for current information.

Broadband Optimized

Protection

Soldering Parameters

Reflow Condition

Pb-Free assembly
(see Figure 1)

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

- Temperature (t

L

)

60-150 seconds

Peak Temperature (T

P

)

¡$

Time within 5°C of actual peak
Temperature (t

p

)

30 seconds max

Ramp-down Rate

6°C/second max

Time 25°C to peak Temperature (T

P

)

8 minutes max

Do not exceed

260°C

Physical Specifications

Lead Material

Copper Alloy

Terminal Finish

100% Matte-Tin Plated

Body Material

UL recognized epoxy meeting flammability
classification 94V-0

Environmental Specifications

High Temp Voltage
Blocking

80% Rated V

DRM

(V

AC

1FBL¡$PS¡$

504 or 1008 hrs. MIL-STD-750 (Method 1040)
JEDEC, JESD22-A-101

Temp Cycling

¡$UP¡$ NJOEXFMM VQUP
cycles. MIL-STD-750 (Method 1051) EIA/
JEDEC, JESD22-A104

Biased Temp &
Humidity

52 V

DC

¡$3) VQUPIST

EIA/JEDEC, JESD22-A-101

High Temp Storage

¡$IST.*-45% .FUIPE
1031) JEDEC, JESD22-A-101

Low Temp Storage

-65°C, 1008 hrs.

Thermal Shock

¡$UP¡$ NJOEXFMM TFDUSBOTGFS
10 cycles. MIL-STD-750 (Method 1056)
JEDEC, JESD22-A-106

Autoclave (Pressure
Cooker Test)

¡$ 3) BUN VQUPIST
EIA/JEDEC, JESD22-A-102

Resistance to Solder
Heat

¡$ TFDT.*-45% .FUIPE
2031)

Moisture Sensitivity
Level

3) ¡$ IST SFnPXDZDMFT
¡$QFBL+&%&$+45% -FWFM

Time

Temper

at

ur

e

T

P

T

L

T

S(max)

T

S(min)

25

t

P

t

L

t

S

time to peak temperature

(t 25ºC to peak)

Ramp-down

Ramp-up

Preheat

Critical Zone

T

L

to T

P

Figure 1