SAC5.0 thru SAC50
Series
Low Capacitance T
RANS
Z
ORB
®
Transient Voltage Suppressor
Peak Pulse Power
500W
Stand-off Voltage
5.0 to 50V
DO-204AC (DO-15)
0.034 (0.86)
0.028 (0.71)
DIA.
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Glass passivated junction
• 500W peak pulse power capabililty with a
10/1000µs waveform, repetition rate (duty cycle):
0.01%
• Excellent clamping capability
• Low incremental surge resistance
• Very fast response time
• Ideal for data line applications
• High temperature soldering guaranteed:
265
O
C/10 seconds, 0.375” (9.5mm) lead length,
5lbs. (2.3 kg) tension
1.0 (25.4)
min.
0.300 (7.6)
0.230 (5.8)
0.140 (3.6)
0.104 (2.6)
Dia.
1.0 (25.4)
min.
Mechanical Data
Case:
JEDEC DO-204AC molded plastic body over
passivated junction
Terminals:
Solder plated axial leads, solderable
per MIL-STD-750, Method 2026
Polarity:
Color band denotes TVS cathode
Mounting Position:
Any
Weight:
0.015 ounce, 0.4 gram
Packaging codes/options:
1/4K per Bulk Box, 40K per box
4/4K per 13” Reel, 16K per box
23/2K per Ammo mag., 18K per box
Dimensions in inches and (millimeters)
Schematic
Diode
Transient
Voltage
Suppressor
Maximum Ratings and Thermal Characteristics
(T
Parameter
Peak pulse power dissipation with a 10/1000µs waveform
Steady state power dissipation at T
L
= 75
O
C with
lead lengths or 0.375” (9.5mm)
Peak pulse power surge current with a
10/1000µs waveform (Fig. 3)
Operating junction and storage temperature range
Symbol
P
PPM
P
M(AV)
I
PPM
T
J
, T
STG
A
= 25°C unless otherwise noted)
Limit
Minimum 500
(1)
3.0
See Next Table
(1)
–55 to +175
Unit
W
W
A
O
C
Notes:
(1) Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25°C per Fig. 2
7/20/00
SAC5.0 thru SAC50
Series
Low Capacitance T
RANS
Z
ORB
®
Transient Voltage Suppressor
Ratings and
Characteristic Curves
(T
100
P
PPM
, Peak Pulse Power (kW)
A
= 25°C unless otherwise noted)
Fig. 1 - Peak Pulse Power
Rating Curve
1.0
0.5
Fig. 2 - Power Derating Curve
100
Percentage of Rated Power (%)
Average Power
Impulse Exponential
Decay
Half Sine
td
td
75
10
Peak Power
(single pulse)
td
Square
Current Waveforms
50
1.0
Non- Repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25°C
25
0.1
0
10ms
0
50
100
150
T
L
Lead Temperature (°C)
175
0.1µs 1.0µs 10µs 100µs 1.0ms
td, Pulse Width (sec.)
Fig. 3 - Pulse Waveform
150
I
PPM
, Peak Pulse Current (%)
Pulse width (td) is defined as the
point where the peak current decays
to 50% of I
PP
tr = 10µsec.
Peak Value
I
PPM
Half Value
-I
PP
10/1000µsec.
2
waveform as defined
by R.E.A.
Fig. 4 - AC Line Protection Application
100
Low Capacitance
TVS
50
0
0
td
1.0
2.0
3.0
td, Pulse Width (sec.)
4.0
Application Note:
Device must be used
with two units in parallel, opposite in polarity
as shown in circuit for AC signal line
protection.
单片机
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