VT171P

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Vishay Semiconductors

Rev. 1.2, 09-Dec-2025

5

Document Number: 80507

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Fig. 13 - Relative Collector Current vs. Vertical Displacement

Fig. 14 - Rise / Fall Time vs. Collector Current

Fig. 15 - Application example

REFLOW SOLDER PROFILE

Fig. 16 - Lead (Pb)-free Reflow Solder Profile

According to J-STD-020

FLOOR LIFE

No time limit.

Moisture sensitivity level (MSL) 1, according to JEDEC®,

J-STD-020.

0.0

0.2

0.6

0.8

1.0

-1.5

-1

-0.5

0

0.5

1

1.5

S - Vertical Displacement (mm)

0

10

20

30

40

50

60

70

80

90

0

500

1000

1500

2000

I

C - Collector Current (μA)

T

amb = 25 °C

100

t

f

t

r

13887

74HCT14

GND

IF = 15 mA

+ VC = 5 V

10 k

Ω

VE

U Q

240 °C

Max. 260 °C

217 °C

255 °C

19841-1

10

100

1000

10000

0

100

200

300

0

50

100

150

200

300

Axis Title

Time (s)

50

150

250

250

245 °C

Max. 100 s

Max. 30 s

Max. 120 s

Max. ramp down 6 °C/s

Max. ramp up 3 °C/s