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BC856BDW1T3G

Dual General Purpose Transistors PNP Duals

ON Semiconductor 

BC856BDW1T1G, BC857BDW1T1G Series, BC858CDW1T1G Series

1.0

D = 0.5

0.2

0.1

0.1

0.05

0.02

0.01 0.01

SINGLE PULSE

0.001

0

1.0

P(pk)

t1

t2

DUTY CYCLE, D = t1/t2

ZqJA(t) = r(t) RqJA

RqJA = 328°C/W MAX

D CURVES APPLY FOR POWER

PULSE TRAIN SHOWN

READ TIME AT t1

TJ(pk) − TC = P(pk) RqJC(t)

10

100

1.0 k

10 k

t, TIME (ms)

Figure 13. Thermal Response

100 k

1.0 M

-200

1s

3 ms

-100

-50

TA = 25°C TJ = 25°C

-10

-5.0

-2.0

-1.0

BC558

BC557

BC556

BONDING WIRE LIMIT

THERMAL LIMIT

SECOND BREAKDOWN LIMIT

-5.0 -10

-30 -45 -65 -100

VCE, COLLECTOR-EMITTER VOLTAGE (V)

Figure 14. Active Region Safe Operating Area

The safe operating area curves indicate IC−VCE limits

of the transistor that must be observed for reliable operation.

Collector load lines for specific circuits must fall below the

limits indicated by the applicable curve.

The data of Figure 14 is based upon TJ(pk) = 150°C; TC

or TA is variable depending upon conditions. Pulse curves

are valid for duty cycles to 10% provided TJ(pk) ≤ 150°C.

TJ(pk) may be calculated from the data in Figure 13. At high

case or ambient temperatures, thermal limitations will

reduce the power that can be handled to values less than the

limitations imposed by the secondary breakdown.

ORDERING INFORMATION

Device

Device Marking

Package

Shipping†

BC856BDW1T1G

3B

SOT−363

(Pb−Free)

3,000 / Tape & Reel

BC856BDW1T3G

3B

SOT−363

(Pb−Free)

10,000 / Tape & Reel

BC857BDW1T1G

3F

SOT−363

(Pb−Free)

3,000 / Tape & Reel

BC857CDW1T1G

3G

SOT−363

(Pb−Free)

3,000 / Tape & Reel

BC858CDW1T1G

3L

SOT−363

(Pb−Free)

3,000 / Tape & Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

http://onsemi.com

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