Philips Semiconductors
Product specification
Voltage regulator diodes
FEATURES
•
Total power dissipation:
max. 500 mW
•
Three tolerance series:
±1%, ±2%,
and approx.
±5%
•
Working voltage range:
nom. 2.4 to 75 V (E24 range)
•
Non-repetitive peak reverse power
dissipation: max. 40 W.
APPLICATIONS
•
Low voltage stabilizers or voltage
references.
The diodes are type branded.
BZX79 series
DESCRIPTION
Low-power voltage regulator diodes in hermetically sealed leaded glass
SOD27 (DO-35) packages. The diodes are available in the normalized E24
±1%
(BZX79-A),
±2%
(BZX79-B), and approx.
±5%
(BZX79-C) tolerance
range. The series consists of 37 types with nominal working voltages from
2.4 to 75 V.
handbook, halfpage
k
a
MAM239
Fig.1 Simplified outline (SOD27; DO-35) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
I
F
I
ZSM
P
tot
P
ZSM
T
stg
T
j
Notes
1. Device mounted on a printed circuit-board without metallization pad; lead length max.
2. Tie-point temperature
≤
50
°C;
max. lead length 8 mm.
PARAMETER
continuous forward current
non-repetitive peak reverse current
total power dissipation
non-repetitive peak reverse power
dissipation
storage temperature
junction temperature
t
p
= 100
µs;
square wave;
T
j
= 25
°C
prior to surge
T
amb
= 50
°C;
note 1
T
amb
= 50
°C;
note 2
t
p
= 100
µs;
square wave;
T
j
= 25
°C
prior to surge; see Fig.3
−
−
−
−65
−65
CONDITIONS
−
MIN.
MAX.
250
see Tables
1, 2, 3 and 4
400
500
40
+200
+200
mW
mW
W
°C
°C
UNIT
mA
1999 May 25
2
Philips Semiconductors
Product specification
Voltage regulator diodes
ELECTRICAL CHARACTERISTICS
Total BZX79-A, B and C series
T
j
= 25
°C
unless otherwise specified.
SYMBOL
V
F
I
R
PARAMETER
forward voltage
reverse current
BZX79-A/B/C2V4
BZX79-A/B/C2V7
BZX79-A/B/C3V0
BZX79-A/B/C3V3
BZX79-A/B/C3V6
BZX79-A/B/C3V9
BZX79-A/B/C4V3
BZX79-A/B/C4V7
BZX79-A/B/C5V1
BZX79-A/B/C5V6
BZX79-A/B/C6V2
BZX79-A/B/C6V8
BZX79-A/B/C7V5
BZX79-A/B/C8V2
BZX79-A/B/C9V1
BZX79-A/B/C10
BZX79-A/B/C11
BZX79-A/B/C12
BZX79-A/B/C13
BZX79-A/B/C15 to 75
V
R
= 1 V
V
R
= 1 V
V
R
= 1 V
V
R
= 1 V
V
R
= 1 V
V
R
= 1 V
V
R
= 1 V
V
R
= 2 V
V
R
= 2 V
V
R
= 2 V
V
R
= 4 V
V
R
= 4 V
V
R
= 5 V
V
R
= 5 V
V
R
= 6 V
V
R
= 7 V
V
R
= 8 V
V
R
= 8 V
V
R
= 8 V
V
R
= 0.7V
Znom
50
20
10
5
5
3
3
3
2
1
3
2
1
700
500
200
100
100
100
50
CONDITIONS
I
F
= 10 mA; see Fig.4
BZX79 series
MAX.
0.9
UNIT
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
nA
nA
nA
nA
nA
nA
nA
1999 May 25
3
电源技术
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