BC557B ON Semiconductor, BC557B Datasheet - Page 5

• Manufacturer Part Number: BC557B
• Description: TRANS AMP PNP 45V 100MA TO-92
• Manufacturer: ON Semiconductor

Specifications of BC557B

• Transistor Type: PNP
• Current - Collector (ic) (max): 100mA
• Voltage - Collector Emitter Breakdown (max): 45V
• Vce Saturation (max) @ Ib, Ic: 650mV @ 5mA, 100mA
• Current - Collector Cutoff (max): 100nA
• Dc Current Gain (hfe) (min) @ Ic, Vce: 180 @ 2mA, 5V
• Power - Max: 625mW
• Frequency - Transition: 320MHz
• Mounting Type: Through Hole
• Package / Case: TO-92-3 (Standard Body), TO-226
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: BC557BOS

−200
−100
−5.0
−2.0
−50
−10
−1.0
0.07
0.05
0.03
0.02
0.01
1.0
0.7
0.5
0.3
0.2
0.1
Figure 14. Active Region − Safe Operating Area
0.1
0.2
D = 0.5
0.2
0.1
V
CE
BONDING WIRE LIMIT
THERMAL LIMIT
SECOND BREAKDOWN LIMIT
, COLLECTOR−EMITTER VOLTAGE (V)
0.05
−5.0
T
0.5
A
= 25°C
1.0
SINGLE PULSE
−10
T
SINGLE PULSE
BC558
BC557
BC556
J
1 s
= 25°C
BC556B, BC557A, B, C, BC558B, C
2.0
−30 −45 −65 −100
Figure 13. Thermal Response
5.0
3 ms
http://onsemi.com
10
20
5
t, TIME (ms)
transistor that must be observed for reliable operation. Collector
load lines for specific circuits must fall below the limits indicated by
the applicable curve.
variable depending upon conditions. Pulse curves are valid for
duty cycles to 10% provided T
calculated from the data in Figure 13. At high case or ambient
temperatures, thermal limitations will reduce the power than can
be handled to values less than the limitations imposed by second
breakdown.
The safe operating area curves indicate I
The data of Figure 14 is based upon T
P
(pk)
DUTY CYCLE, D = t
50
t
1
100
t
2
200
1
/t
2
500
J(pk)
Z
R
Z
R
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t
T
qJC
qJA
J(pk)
qJC
qJA
≤ 150°C. T
1.0 k
J(pk)
(t) = (t) R
(t) = r(t) R
= 200°C/W MAX
= 83.3°C/W MAX
− T
= 150°C; T
C
C
−V
= P
2.0 k
qJC
CE
qJA
(pk)
J(pk)
1
limits of the
R
qJC
C
may be
(t)
or T
5.0 k
A
is
10