Dated : 22/02/2005
J
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
SS32 THRU SS3A
SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage – 20 to 100 Volts
Forward Current – 3.0 Amperes
Features
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
• Metal silicon junction, majority carrier conduction
• For surface mount applications
• Low power loss, high efficiency
• High current capability, Low forward voltage drop.
• Low profile package
• Built-in strain relief, ideal for automated placement
• For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
• High temperature soldering guaranteed:
250/10sec at terminals
Mechanical Data
• Case: JEDEC DO-214AA, molded plastic body
• Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
• Polarity: Color band denotes cathode end
Absolute Maximum Ratings and Characteristics
Ratings at 25
oC ambient temperature unless otherwise specified. Single phase, half wave, resistive or inductive load .For
capactive load , derate by 20%.
Symbols SS32 SS33 SS34 SS35 SS36 SS38 SS3A Units
Maximum repetitive peak reverse voltage
VRRM
20
30
40
50
60
80
100
V
Maximum RMS voltage
VRMS
14
21
28
35
42
57
71
V
Maximum DC blocking voltage
VDC
20
30
40
50
60
80
100
V
Maximum average forward rectified current
at 0.375”(9.5mm) lead length
IF(AV)
3.0
A
Peak forward surge current
8.3ms single half sine-wave superimposed
on rated load (JEDEC Method)
IFSM
80
A
Maximum Instantaneous forward voltage
at 3.0A (Note 1)
VF
0.50
0.75
0.85
V
1.5
Maximum instantaneous reverse
Current at rated DC blocking
at voltage (Note 1)
at TA = 25℃
at TA = 100℃
IR
IR
20
10
mA
Typical junction capacitance
Ctot
250
160
pF
Typical thermal resistance (Note 2)
RθJA
RθJA
55.0
17.0
OC/W
Operating junction temperature range
TJ
-65 to +125
-65 to +150
OC
Storage temperature range
TS
-65 to +150
OC
Notes: 1. Pulse test: 300µs pulse width, 1% duty cycle
2.
P.C.B. mounted 0.55X.0.55”(14X14mm) copper pad areas