SMAJ5.0 thru 440CA
Surface Mount Transient Voltage Suppressors
Peak Pulse Power 400W Stand Off Voltage 5.0 to 440V
Features
ꢀ Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
ꢀ Optimized for LAN protection applications
ꢀ Ideal for ESD protection of data lines in accordance with
IEC 1000-4-2 (IEC801-2)
ꢀ Ideal for EFT protection of data lines in accordance with
IEC 1000-4-4 (IEC801-4)
ꢀ Low profile package with built-in strain relief for surface
mounted applications
ꢀ Glass passivated junction
ꢀ Low incremental surge resistance, excellent clamping capability
ꢀ 400W peak pulse power capability with a 10/1000us wave-
form, repetition rate (duty cycle): 0.01% (300W above 78V)
ꢀ Very fast response time
ꢀ High temperature soldering guaranteed:
250oC/10 seconds at terminals
Mechanical Data
ꢀ Case: JEDEC DO-214AC(SMA) molded plastic over passivated
chip
ꢀ Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
ꢀ Polarity: For uni-directional types the band denotes the cathode,
which is positive with respect to the anode under normal TVS
operation
ꢀ Mounting Position: Any
ꢀ Weight: 0.002oz., 0.064g
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. SMAJ10CA). Electrical characteristics apply in both directions.
Maximum Ratings and Thermal Characteristics
(Ratings at 25oC ambient temperature unless otherwise specified.)
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with
PPPM
IPPM
400
See Next Table
40
W
A
a 10/1000us waveform (1,2) (see Fig. 1)
Peak pulse current with a 10/1000us waveform (1)
Peak forward surge current, 8.3ms single half sine-wave
uni-directional only (2)
IFSM
A
Typical thermal resistance, junction to ambient (3)
RθJA
RθJL
120
30
oC/W
oC/W
oC
Typical thermal resistance, junction to lead
Operating junction and storage temperature range
TJ, TSTG
-55 to +150
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25oC per Fig. 2. Rating is 300W above 78V
2. Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
3. Mounted on minimum recommended pad layout
572
GOOD-ARK [ GOOD-ARK ELECTRONICS ]
