BC557B ON Semiconductor, BC557B Datasheet - Page 179

• 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.
4. 1/2 sine wave (or equivalent square pulse, PW = 8.3 ms, duty cycle = 4 pulses per minute.
ON Semiconductor Selector Guide − Diodes
TVS − IN SURFACE MOUNT
P6SMB Series Unidirectional Overvoltage Transient Suppressors; 600 W Peak Power @ 1 ms Surge
(10 x 1000 ms)
ELECTRICAL CHARACTERISTICS
P6SMB6.8A
P6SMB7.5A
P6SMB8.2A
P6SMB9.1A
P6SMB10A
P6SMB12A
P6SMB13A
P6SMB15A
P6SMB16A
P6SMB18A
P6SMB20A
P6SMB22A
P6SMB24A
P6SMB27A
P6SMB30A
P6SMB33A
P6SMB36A
P6SMB39A
P6SMB43A
P6SMB47A
P6SMB51A
P6SMB56A
P6SMB62A
P6SMB68A
P6SMB75A
P6SMB82A
P6SMB91A
P6SMB100A
P6SMB120A
P6SMB130A
P6SMB150A
P6SMB160A
P6SMB180A
P6SMB200A
greater than the DC or continuous peak operating voltage level.
BR
measured at pulse test current I
Device
6.45
7.13
7.79
8.65
12.4
14.3
15.2
17.1
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
Min
11.4
114
124
143
152
171
190
9.5
19
95
Breakdown Voltage
Nom
(V) (Note 2)
100
120
130
150
160
180
200
6.8
7.5
8.2
9.1
10
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
V
BR
T
@ I
at ambient temperature of 25°C.
Max
7.14
7.88
8.61
9.55
10.5
12.6
13.7
15.8
16.8
18.9
23.1
25.2
28.4
31.5
34.7
37.8
45.2
49.4
53.6
58.8
65.1
71.4
78.8
86.1
95.5
105
126
137
158
168
189
210
(T
21
41
T
CASE 403A
A
PLASTIC
(continued)
= 25°C unless otherwise noted) (V
SMB
(mA)
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Working
Reverse
(Note 1)
Voltage
http://onsemi.com
V
Peak
7.02
7.78
8.55
10.2
11.1
12.8
13.6
15.3
17.1
18.8
20.5
23.1
25.6
28.2
30.8
33.3
36.8
40.2
43.6
47.8
58.1
64.1
70.1
77.8
85.5
102
128
136
154
171
111
RWM
(V)
5.8
6.4
53
178
Maximum
Leakage
@ V
Reverse
1000
(mA)
500
200
50
10
I
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
R
RWM
F
= 3.5 V Max, I
I RSM
I RSM
Maximum
2
Reverse
Current
(Note 3)
Surge
14.4
13.2
11.2
10.1
I
(A)
9.3
8.6
7.8
7.1
6.5
5.8
5.3
4.8
4.4
3.6
3.3
2.9
2.7
2.4
2.2
57
53
50
45
41
36
33
28
27
24
22
20
18
16
12
PP
Surge Current Characterisitcs
0
1 2
Time
F
(Clamping
Maximum
= 50 A for all types) (Note 4)
Reverse
Voltage)
Voltage
@ I
3
10.5
11.3
12.1
13.4
14.5
16.7
18.2
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
103
113
125
137
165
179
207
219
246
274
(V)
V
77
85
92
C
PP
4
(ms)
RWM
5
) which should be equal to or
6
Temperature
Coefficient
of V
0.057
0.061
0.065
0.068
0.073
0.078
0.081
0.084
0.086
0.088
0.092
0.094
0.096
0.097
0.098
0.099
0.101
0.101
0.102
0.103
0.104
0.104
0.105
0.105
0.106
0.106
0.107
0.107
0.108
0.108
0.108
0.108
%/°C
0.09
0.1
BR
Marking
Device
6V8A
7V5A
8V2A
9V1A
100A
120A
130A
150A
160A
180A
200A
10A
12A
13A
15A
16A
18A
20A
22A
24A
27A
30A
33A
36A
39A
43A
47A
51A
56A
62A
68A
75A
82A
91A