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DATA SHEET
Product specification
Supersedes data of 1996 Apr 17
1999 Apr 19
DISCRETE SEMICONDUCTORS
BZX284 series
Voltage regulator diodes
book, halfpage
M3D154
background image
1999 Apr 19
2
Philips Semiconductors
Product specification
Voltage regulator diodes
BZX284 series
FEATURES
•
Total power dissipation:
max. 400 mW
•
Two tolerance series:
±
2% and
±
5%
•
Working voltage range:
nom. 2.4 to 75 V (E24 range).
APPLICATIONS
•
General regulation functions.
DESCRIPTION
Low-power voltage regulator diodes in a small ceramic SMD SOD110 package.
The diodes are available in the normalized E24
±
2% (BZX284-B) and
±
5%
(BZX284-C) tolerance range. The series consists of 37 types with nominal
working voltages from 2.4 to 75 V.
Fig.1 Simplified outline (SOD110) and symbol.
handbook, 4 columns
MAM219
k
a
cathode mark
top view
side view
bottom view
a
k
MARKING
TYPE
NUMBER
MARKING
CODE
TYPE
NUMBER
MARKING
CODE
TYPE
NUMBER
MARKING
CODE
TYPE
NUMBER
MARKING
CODE
BZX284-B2V4
WO
BZX284-B15
XH
BZX284-C2V4
YO
BZX284-C15
ZH
BZX284-B2V7
WP
BZX284-B16
XI
BZX284-C2V7
YP
BZX284-C16
ZI
BZX284-B3V0
WQ
BZX284-B18
XJ
BZX284-C3V0
YQ
BZX284-C18
ZJ
BZX284-B3V3
WR
BZX284-B20
XK
BZX284-C3V3
YR
BZX284-C20
ZK
BZX284-B3V6
WS
BZX284-B22
XL
BZX284-C3V6
YS
BZX284-C22
ZL
BZX284-B3V9
WT
BZX284-B24
XM
BZX284-C3V9
YT
BZX284-C24
ZM
BZX284-B4V3
WU
BZX284-B27
XN
BZX284-C4V3
YU
BZX284-C27
ZN
BZX284-B4V7
WV
BZX284-B30
XO
BZX284-C4V7
YV
BZX284-C30
ZO
BZX284-B5V1
WW
BZX284-B33
XP
BZX284-C5V1
YW
BZX284-C33
ZP
BZX284-B5V6
WX
BZX284-B36
XQ
BZX284-C5V6
YX
BZX284-C36
ZQ
BZX284-B6V2
WY
BZX284-B39
XR
BZX284-C6V2
YY
BZX284-C39
ZR
BZX284-B6V8
WZ
BZX284-B43
XS
BZX284-C6V8
YZ
BZX284-C43
ZS
BZX284-B7V5
XA
BZX284-B47
XT
BZX284-C7V5
ZA
BZX284-C47
ZT
BZX284-B8V2
XB
BZX284-B51
XU
BZX284-C8V2
ZB
BZX284-C51
ZU
BZX284-B9V1
XC
BZX284-B56
XV
BZX284-C9V1
ZC
BZX284-C56
ZV
BZX284-B10
XD
BZX284-B62
XW
BZX284-C10
ZD
BZX284-C62
ZW
BZX284-B11
XE
BZX284-B68
XX
BZX284-C11
ZE
BZX284-C68
ZX
BZX284-B12
XF
BZX284-B75
XY
BZX284-C12
ZF
BZX284-C75
ZY
BZX284-B13
XG
−
−
BZX284-C13
ZG
−
−
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1999 Apr 19
3
Philips Semiconductors
Product specification
Voltage regulator diodes
BZX284 series
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Note
1. Device mounted on a printed-circuit board: 11
×
25
×
1.6 mm.
ELECTRICAL CHARACTERISTICS
Total BZX284-B and C series
T
j
= 25
°
C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
I
F
continuous forward current
−
250
mA
I
ZSM
non-repetitive peak reverse current
t
p
= 100
µ
s; square wave;
T
amb
= 25
°
C prior to surge
see Tables 1 and 2
P
tot
total power dissipation
T
amb
= 25
°
C; note 1
−
400
mW
T
stg
storage temperature
−
65
+150
°
C
T
j
junction temperature
−
150
°
C
SYMBOL
PARAMETER
CONDITIONS
MAX.
UNIT
V
F
forward voltage
I
F
= 10 mA; see Fig.4
0.9
V
I
F
= 100 mA; see Fig.4
1.1
V
I
R
reverse current
BZX284-B/C2V4
V
R
= 1 V
50
µ
A
BZX284-B/C2V7
V
R
= 1 V
20
µ
A
BZX284-B/C3V0
V
R
= 1 V
10
µ
A
BZX284-B/C3V3
V
R
= 1 V
5
µ
A
BZX284-B/C3V6
V
R
= 1 V
5
µ
A
BZX284-B/C3V9
V
R
= 1 V
3
µ
A
BZX284-B/C4V3
V
R
= 1 V
3
µ
A
BZX284-B/C4V7
V
R
= 2 V
3
µ
A
BZX284-B/C5V1
V
R
= 2 V
2
µ
A
BZX284-B/C5V6
V
R
= 2 V
1
µ
A
BZX284-B/C6V2
V
R
= 4 V
3
µ
A
BZX284-B/C6V8
V
R
= 4 V
2
µ
A
BZX284-B/C7V5
V
R
= 5 V
1
µ
A
BZX284-B/C8V2
V
R
= 5 V
700
nA
BZX284-B/C9V1
V
R
= 6 V
500
nA
BZX284-B/C10
V
R
= 7 V
200
nA
BZX284-B/C11
V
R
= 8 V
100
nA
BZX284-B/C12
V
R
= 8 V
100
nA
BZX284-B/C13
V
R
= 8 V
100
nA
BZX284-B/C15 to 75
V
R
= 0.7V
Znom
50
nA
background image
1999
Apr
19
4
Philips Semiconductors
Product specification
V
oltage regulator diodes
BZX284 series
Table 1
Per type BZX284-B/C2V4 to B/C24
T
j
= 25
°
C unless otherwise specified.
BZX284-
B or C
XXX
WORKING VOLTAGE
V
Z
(V)
at I
Ztest
= 5 mA
DIFFERENTIAL RESISTANCE
r
dif
(
Ω
)
TEMP. COEFF.
S
Z
(mV/K)
at I
Ztest
= 5 mA
(see Figs 5 and 6)
DIODE CAP.
C
d
(pF)
at f = 1 MHz;
V
R
= 0 V
NON-REPETITIVE PEAK
REVERSE CURRENT
I
ZSM
(A) at t
p
= 100
µ
s;
T
amb
= 25
°
C
Tol.
±
2% (B)
Tol.
±
5% (C)
at I
Ztest
= 1 mA
at I
Ztest
= 5 mA
MIN.
MAX.
MIN.
MAX.
TYP.
MAX.
TYP.
MAX.
TYP.
MAX.
MAX.
2V4
2.35
2.45
2.2
2.6
275
400
70
100
−
1.6
450
12.0
2V7
2.65
2.75
2.5
2.9
300
450
75
100
−
2.0
440
12.0
3V0
2.94
3.06
2.8
3.2
325
500
80
95
−
2.1
425
12.0
3V3
3.23
3.37
3.1
3.5
350
500
85
95
−
2.4
410
12.0
3V6
3.53
3.67
3.4
3.8
375
500
85
90
−
2.4
390
12.0
3V9
3.82
3.98
3.7
4.1
400
500
85
90
−
2.5
370
12.0
4V3
4.21
4.39
4.0
4.6
410
600
80
90
−
2.5
350
12.0
4V7
4.61
4.79
4.4
5.0
425
500
50
80
−
1.4
325
12.0
5V1
5.00
5.20
4.8
5.4
400
480
40
60
−
0.8
300
12.0
5V6
5.49
5.71
5.2
6.0
80
400
15
40
1.2
275
12.0
6V2
6.08
6.32
5.8
6.6
40
150
6
10
2.3
250
12.0
6V8
6.66
6.94
6.4
7.2
30
80
6
15
3.0
215
12.0
7V5
7.35
7.65
7.0
7.9
15
80
2
10
4.0
170
4.0
8V2
8.04
8.36
7.7
8.7
20
80
2
10
4.6
150
4.0
9V1
8.92
9.28
8.5
9.6
20
100
2
10
5.5
120
3.0
10
9.80
10.20
9.4
10.6
20
150
2
10
6.4
110
3.0
11
10.80
11.20
10.4
11.6
25
150
2
10
7.4
108
2.5
12
11.80
12.20
11.4
12.7
25
150
2
10
8.4
105
2.5
13
12.70
13.30
12.4
14.1
25
170
2
10
9.4
103
2.5
15
14.70
15.30
13.8
15.6
25
200
3
15
11.4
99
2.0
16
15.70
16.30
15.3
17.1
25
200
4
20
12.4
97
1.5
18
17.60
18.40
16.8
19.1
25
225
4
20
14.4
93
1.5
20
19.60
20.40
18.8
21.2
30
225
4
20
16.4
88
1.5
22
21.60
22.40
20.8
23.3
30
250
5
25
18.4
84
1.25
24
23.50
24.50
22.8
25.6
30
250
6
30
20.4
80
1.25
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1999
Apr
19
5
Philips Semiconductors
Product specification
V
oltage regulator diodes
BZX284 series
Table 2
Per type BZX284-B/C27 to B/C75
T
j
= 25
°
C unless otherwise specified.
BZX284-
B or C
XXX
WORKING VOLTAGE
V
Z
(V)
at I
Ztest
= 2 mA
DIFFERENTIAL RESISTANCE
r
dif
(
Ω
)
TEMP. COEFF.
S
Z
(mV/K)
at I
Ztest
= 2 mA
DIODE CAP.
C
d
(pF)
at f = 1 MHz;
V
R
= 0 V
NON-REPETITIVE PEAK
REVERSE CURRENT
I
ZSM
(A) at t
p
= 100
µ
s;
T
amb
= 25
°
C
Tol.
±
2% (B)
Tol.
±
5% (C)
at I
Ztest
= 0.5 mA
at I
Ztest
= 2 mA
MIN.
MAX.
MIN.
MAX.
TYP.
MAX.
TYP.
MAX.
TYP.
MAX.
MAX.
27
26.50
27.50
25.1
28.9
35
250
8
40
23.4
73
1.0
30
29.40
30.60
28.0
32.0
35
250
10
40
26.6
66
1.0
33
32.30
33.70
31.0
35.0
40
275
11
40
29.7
60
0.9
36
35.30
36.70
34.0
38.0
40
300
15
60
33.0
59
0.8
39
38.20
39.80
37.0
41.0
40
300
25
75
36.4
58
0.7
43
42.10
43.90
40.0
46.0
45
325
30
80
41.2
56
0.6
47
46.10
47.90
44.0
50.0
45
325
30
90
46.1
55
0.5
51
50.00
52.00
48.0
54.0
45
350
35
110
51.0
52
0.4
56
54.90
57.10
52.0
60.0
50
375
40
120
57.0
49
0.3
62
60.80
63.20
58.0
66.0
60
400
50
140
64.4
44
0.3
68
66.60
69.40
64.0
72.0
75
400
55
160
71.7
40
0.25
75
73.50
76.50
70.0
79.0
85
400
70
175
80.2
35
0.2
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1999 Apr 19
6
Philips Semiconductors
Product specification
Voltage regulator diodes
BZX284 series
THERMAL CHARACTERISTICS
Note
1. Device mounted on a printed-circuit board: 11
×
25
×
1.6 mm.
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient
note 1
315
K/W
MOUNTING
Reflow soldering
Follow standard reflow soldering techniques to ensure
correct application of solder paste and placement of the
SOD110 package (see Fig.2).
Dimensions in mm.
Fig.2 SOD110 reflow soldering pattern.
handbook, halfpage
MGC119
,,
,,
,,,
,,,
3.00
1.25
1.00
1.00
,,
,,
,,,
,,,
Wave soldering
Before wave soldering, attach SOD110 packages to the
printed-circuit boards using a small dot of thermo-setting
epoxy or UV-curing adhesive centred between the
soldering lands (see Fig.3).
Dimensions in mm.
Fig.3 SOD110 wave soldering pattern.
handbook, halfpage
MGC126
,,
,,
3.40
1.25
1.10
,,
,,
,,,
,,,
1.10
,,,
,,,
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1999 Apr 19
7
Philips Semiconductors
Product specification
Voltage regulator diodes
BZX284 series
GRAPHICAL DATA
Fig.4
Forward current as a function of forward
voltage; typical values.
handbook, halfpage
0.6
1.0
300
100
0
200
MBG781
0.8
VF (V)
IF
(mA)
T
j
= 25
°
C.
Fig.5
Temperature coefficient as a function of
working current; typical values.
BZX284-B/C2V4 to B/C4V3.
T
j
= 25 to 150
°
C.
handbook, halfpage
0
60
0
−
2
−
3
−
1
MBG783
20
40
IZ (mA)
SZ
(mV/K)
4V3
3V9
3V6
3V0
2V4
2V7
3V3
Fig.6
Temperature coefficient as a function of
working current; typical values.
BZX284-B/C4V7 to B/C12.
T
j
= 25 to 150
°
C.
handbook, halfpage
0
20
16
10
0
−
5
5
MBG782
4
8
12
IZ (mA)
SZ
(mV/K)
4V7
12
11
10
9V1
8V2
7V5
6V8
6V2
5V6
5V1
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1999 Apr 19
8
Philips Semiconductors
Product specification
Voltage regulator diodes
BZX284 series
PACKAGE OUTLINE
DEFINITIONS
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
UNIT
A
max.
REFERENCES
OUTLINE