NPN 2N6515 2N6517 PNP 2N6520

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6

Figure 16. Switching Time Test Circuit

0.01

0.02

0.03

0.05

0.07

0.1

0.2

0.3

0.5

0.7

1.0

10k

0.1

0.2

0.5

1.0

2.0

5.0

10

20

50

100

200

500

1.0k

2.0k

5.0k

t, TIME (ms)

Figure 17. Thermal Response

500

200

100

50

20

10

5.0

2.0

1.0

0.5

0.5 1.0

2.0

5.0

10

20

50 100 200

500

VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)

Figure 18. Active Region Safe Operating Area

Design Note: Use of Transient Thermal Resistance Data

FIGURE A

tP

PP

PP

t1

1/f

DUTY CYCLE + t1 f +

t1

tP

PEAK PULSE POWER = PP

TA = 25°C

1.0 ms

10 µs

TC = 25°C

100 µs

100 ms

+10.8 V

-9.2 V

+VCC

2.2 k

20 k

50

50 Ω SAMPLING SCOPE

1/2MSD7000

1.0 k

VCC ADJUSTED

FOR VCE(off) = 100 V

APPROXIMATELY

-1.35 V

(ADJUST FOR V(BE)off = 2.0 V)

PULSE WIDTH ≈ 100 µs

tr, tf ≤ 5.0 ns

DUTY CYCLE ≤ 1.0%

FOR PNP TEST CIRCUIT,

REVERSE ALL VOLTAGE POLARITIES

D = 0.5

0.2

0.1

0.05

SINGLE PULSE

SINGLE PULSE

ZθJC(t) = r(t) • RθJC TJ(pk) - TC = P(pk) ZθJC(t)

ZθJA(t) = r(t) • RθJA TJ(pk) - TA = P(pk) ZθJA(t)

CURRENT LIMIT

THERMAL LIMIT

(PULSE CURVES @ TC = 25°C)

SECOND BREAKDOWN LIMIT

CURVES APPLY

BELOW RATED VCEO

2N6515

2N6517, 2N6520