Silicon Avalanche Diodes
278
www.littelfuse.com
1500W Surface Mount Transient Voltage Supressors
1.5SMC Series
FEATURES
• RoHS compliant
• For surface mounted applications in order to optimize
board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low Inductance
• Excellent clamping capability
• Repetition Rate (duty cycle):0.05%
• Fast response time: typically less than 1.0ps from 0 Volts to
BV min.
• Typical IR less than 1µA above 10V
• High temperature soldering: 250˚C/10 seconds at terminals
DEVICES FOR BIPOLAR APPLICATION
For Bidirectional use Suffix CA for types 1.5SMC6.8CA thru types
1.5SMC550CA
Electrical characteristics apply in both directions
MAXIMUM RATINGS AND CHARACTERISTICS
@25˚C AMBIENT TEMPERATURE (unless otherwise noted)
PARAMETER
Peak pulse power Dissipation on
10/1000µs waveform (Note 1.2,FIG.1)
Peak pulse current of on 10/1000µs
waveform (Note 1, FIG.3)
Peak Forward Surge Current,
8.3ms Single Half Sine-Wave
Superimposed on Rated Load,
(JEDEC Method)(Note3)
Operating junction and Storage
Temperature Range
VALUE
Min
1500
See Table 1
200
-55 to +150
UNIT
Watts
Amps
Amps
°C
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above
T
A
= 25˚C per Fig.2
2. Mounted on 8.0mm
2
Copper Pads to each terminal
3. 8.3ms single half sine-wave, or equivalent square wave,
Duty cycle = 4 pulses per minutes maximum
SYMBOL
P
PPM
I
PPM
I
FSM
T
j,
T
sTG
Mechanical Specifications:
Weight: 0.007 ounce, 0.21 gram
Case: JEDEC DO214AB. Molded plastic over
glass passivated junction
Mounting Position: Any
Polarity: Color band denoted positive end
(cathode) except Bidirectional
Terminal: Solder plated, solderable per MIL-STD-
750, Method 2026
Standard Packaging: 16mm tape (EIA STD RS-481)
1.5SMC
CA
Voltage
Bi-Directional
5% Voltage Tolerance
T = Tape and reeled (3000 pcs)
ORDERING INFORMATION
Agency Approvals: Recognized under the Components Program
of Underwriters Laboratories.
Agency File Number: E128667
RoHS