Philips BAS17 Datasheet
DISCRETE SEMICONDUCTORS
DATA SH EET
ook, halfpage
M3D088
BAS17
Low-voltage stabistor
Product specification
Supersedes data of 1996 Mar 20
1999 May 31
Philips Semiconductors Product specification
Low-voltage stabistor BAS17
FEATURES
• Low-voltage stabilization
• Forward voltage range:
580 to 960 mV
• Total power dissipation:
max. 250 mW.
PINNING
PIN DESCRIPTION
1 anode
2 not connected
3 cathode
APPLICATIONS
• Low-voltage stabilization e.g.
handbook, halfpage
21
– Bias stabilizer in class-B output
stages
– Clipping
– Clamping
– Meter protection.
DESCRIPTION
Low-voltage stabilization diode in a
Marking code: A91.
Fig.1 Simplified outline (SOT23), pin configuration and symbol.
small SOT23 plastic package.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
3
2
n.c.
1
3
MAM185
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
R
I
F
P
tot
T
stg
T
j
continuous reverse voltage − 5V
continuous forward current − 200 mA
total power dissipation T
=25°C − 250 mW
amb
storage temperature −65 +150 °C
junction temperature − 150 °C
ELECTRICAL CHARACTERISTICS
=25°C unless otherwise specified.
T
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
F
I
R
r
dif
S
F
C
d
forward voltage see Fig.2
I
= 0.1 mA 580 − 660 mV
F
I
= 1 mA 665 − 745 mV
F
I
= 5 mA 725 − 805 mV
F
I
= 10 mA 750 − 830 mV
F
= 100 mA 870 − 960 mV
I
F
reverse current VR=4V −−5µA
differential resistance IF= 0.5 mA − 120 −Ω
I
=2mA − 80 −Ω
F
temperature coefficient IF=1mA −−1.8 − mV/K
diode capacitance VR=0V; f=1MHz −−140 pF
1999 May 31 2
Philips Semiconductors Product specification
Low-voltage stabistor BAS17
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS VALUE UNIT
R
th j-tp
R
th j-a
Note
1. Device mounted on a FR4 printed-circuit board.
GRAPHICAL DATA
thermal resistance from junction to tie-point 330 K/W
thermal resistance from junction to ambient note 1 500 K/W
2
10
handbook, halfpage
I
F
(mA)
10
1
−1
10
Tj=25°C.
(1) Minimum values.
(2) Maximum values.
(1) (2)
0.75
MBG517
VF (V)
Fig.2 Forward current as a function of forward
voltage.
1.00.5
1999 May 31 3
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