beautypg.com

Teccor, Brand thyristors, Soldering parameters – Littelfuse Qxx35xHx Series User Manual

Page 5

background image

155

Revised: 09/23/13

©2013 Littelfuse, Inc

Specifications are subject to change without notice.

Teccor

®

brand Thyristors

35 Amp Standard & 30 / 35 Amp Alternistor (High Commutation) Triacs

Qxx30xHx & Qxx35xx & Qxx35xHx Series

1

10

100

1000

10

Surge Current Duration – Full Cycles

1

Peak Surge (Non-repetitive) On-State Current

(I

TSM

) – Amps

100

1000

Qxx35RH5

Qxx35NH5

Qxx35P5

Qxx30LH5
Qxx30LH3

Figure 8: Surge Peak On-State Current vs. Number of Cycles

Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State [I

T(RMS)

]: Max Rated Value at

Specific Case Temperature

Notes:
1) Gate control may be lost during and

immediately following surge current interval.

2) Overload may not be repeated until junction

temperature has returned to steady-state
rated value.

Soldering Parameters

Reflow Condition

1Co'SFFBTTFNCMZ

Pre Heat

- Temperature Min (T

s (min)

)

150°C

- Temperature Max (T

s (max)

)

200°C

- Time (min to max) (t

s

)

oTFDT

Average ramp up rate (Liquidus Temp)
(T

L

) to peak

5°C/second max

T

S(max)

to T

L

- Ramp-up Rate

5°C/second max

Reflow

- Temperature (T

L

) (Liquidus)

217°C

- Time (min to max) (t

s

)

oTFDPOET

Peak Temperature (T

P

)

260

+0/-5

°C

Time within 5°C of actual peak
Temperature (t

p

)

oTFDPOET

Ramp-down Rate

5°C/second max

Time 25°C to peak Temperature (T

P

)

8 minutes Max.

Do not exceed

280°C

Note: xx = voltage

Time

T

emperature

T

P

T

L

T

S(max)

T

S(min)

25

t

P

t

L

t

S

time to peak temperature

Preheat

Preheat

Ramp-up

Ramp-up

Ramp-down

Ramp-do