BC557B ON Semiconductor, BC557B Datasheet - Page 175

• 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

1. A transient suppressor is normally selected according to the Working Peak Reverse Voltage (V
2. V
3. 10 x 1000 ms exponential decay surge waveform.
TVS − IN SURFACE MOUNT
1SMA Series Bidirectional Zener Overvoltage Transient Suppressors; 400 W Peak Power @ 1 ms Surge (10 x
1000 ms)
ELECTRICAL CHARACTERISTICS
ON Semiconductor Selector Guide − Diodes
1SMA10CA
1SMA12CA
1SMA13CA
1SMA15CA
1SMA16CA
1SMA18CA
1SMA20CA
1SMA24CA
1SMA26CA
1SMA28CA
1SMA30CA
1SMA33CA
1SMA36CA
1SMA40CA
1SMA48CA
1SMA58CA
1SMA60CA
1SMA70CA
1SMA78CA
greater than the DC or continuous peak operating voltage level.
BR
Device
measured at pulse test current I
Voltage V
(V) (Note 1)
Working
Reverse
Peak
10
12
13
15
16
18
20
24
26
28
30
33
36
40
48
58
60
70
78
RWM
T
at ambient temperature of 25°C.
CASE 403B
(V) (Min)
Breakdown Voltage
(Note 2)
(T
PLASTIC
A
V
11.1
13.3
14.4
16.7
17.8
22.2
26.7
28.9
31.1
33.3
36.7
44.4
53.3
64.4
66.7
77.8
86.7
20
40
SMA
BR
(continued)
= 25°C unless otherwise noted)
mA
I
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
http://onsemi.com
T
Reverse Voltage
174
(Clamping
Maximum
Voltage)
@ I
V
113.0
126.0
17.0
19.9
21.5
24.4
26.0
29.2
32.4
38.9
42.1
45.4
48.4
53.3
58.1
64.5
77.4
93.6
96.8
C
RSM
(V)
I RSM
I RSM
2
Surge Current Characterisitcs
0
Surge Current
Maximum
Reverse
1 2
(Note 3)
I
PP
Time
20.1‘
23.5
18.6
16.4
15.4
13.7
12.3
10.3
9.5
8.8
8.3
7.5
6.9
6.2
5.2
4.3
4.1
3.5
3.2
(A)
3
4
RWM
(ms)
5
) which should be equal to or
Reverse Leakage
6
Maximum
@ V
I
R
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
(mA)
RWM
Marking
Device
QXC
REC
RGC
RMC
RPC
SGC
SMC
SRC
TGC
RTC
RVC
RZC
SEC
SKC
SPC
SXC
TKC
TPC
TSC