Philips Semiconductors
Voltage regulator diodes
Product specification
BZX55 series
FEATURES
• Total power dissipation:
max. 500 mW
• Tolerance series: ±5%
• Working voltage range:
nom. 2.4 to 75 V (E24 range)
• Non-repetitive peak reverse power
dissipation: max. 40 W.
DESCRIPTION
Low-power voltage regulator diodes in hermetically sealed leaded glass
SOD27 (DO-35) packages.
The diodes are available in the normalized E24 ±5% tolerance range.
The series consists of 37 types with nominal working voltages from 2.4 to 75 V
(BZX55-C2V4 to BZX55-C75).
APPLICATIONS
• Low voltage stabilizers or voltage
references.
handbook, halfpage k
a
MAM239
The diodes are type branded.
Fig.1 Simplified outline (SOD27; DO-35) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
IF
continuous forward current
IZSM
non-repetitive peak reverse current
Ptot
total power dissipation
PZSM
non-repetitive peak reverse power
dissipation
Tstg
storage temperature
Tj
junction temperature
CONDITIONS
tp = 100 µs; square wave;
Tj = 25 °C prior to surge
Tamb = 50 °C; note 1
Tamb = 50 °C; note 2
tp = 100 µs; square wave;
Tj = 25 °C prior to surge
tp = 8.3 ms; square wave;
Tj ≤ 150 °C prior to surge
MIN. MAX.
−
250
see Table
“Per type”
−
400
−
500
−
40
−
30
−65 +200
−
200
Notes
1. Device mounted on a printed circuit-board without metallization pad; lead length max.
2. Tie-point temperature ≤ 50 °C; lead length 8 mm.
UNIT
mA
mW
mW
W
W
°C
°C
ELECTRICAL CHARACTERISTICS
Total series
Tj = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
VF
forward voltage
CONDITIONS
IF = 100 mA; see Fig.4
MIN.
−
MAX. UNIT
1.0 V
1996 Apr 26
2