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Littelfuse |
Silicon Avalanche Diodes
600W Surface Mount Transient Voltage Suppressors
SMBJ Series
Protect sensitive electronics against voltage transients induced
by inductive load switching and lightning. Ideal for the
protection of I/O interfaces, Vcc bus and other integrated
circuits.
FEATURES
• Stand-off Voltage Range 5.0 to 170 Volts
• Uni-directional and Bi-directional
• Glass passivated junction
• Jedec package designed to meet SM assembly needs
• Low head inductance
• 100% surge tested
• UL recognised
MAXIMUM RATING
• Peak Pulse Power (Ppk) 600 Watts (10 x 1000µs)@25°C
(see diagram on page 3 for wave form)
• 1.5 watt steady state
• Response time: 1 x 10-12 secs (theoretical)
• Forward surge rating: 100A, 8.3 ms single half sine-wave
(Uni-directional only)
• Operating & storage temp.: -55°C to +150°C
MECHANICAL CHARACTERISTICS
• Case: DO-214AA moulded plastic over glass
passivated junction UL94V(O) (Thermoset) Epoxy
• Terminals: Solder plated solderable per MIL-STD-750
Method 2026
• Solderable leads: 230°C for 10 seconds.
• Marking: cathode band (positive terminal, uni-directional
devices only), device code, logo
Agency Approvals: Recognized under the Components Program
of Underwriters Laboratories.
Agency File Numbers: E128662
ORDERING INFORMATION
SMBJ
CA
Voltage
Bi-Directional
5% Voltage Tolerance
®
6
2.0 3.30/
3.94
2.16 2.74 2.16
2.26
Solder Pads
All dimensions in mm
www.littelfuse.com
267
Silicon Avalanche Diodes
600W Surface Mount Transient Voltage Supressors
SMBJ Series
10000
1000
Cj (pf)
100
@ Stand-off Voltage
10
1 10 100 1000
Device Stand-off Voltage - Volts
Figure 1 - Capacitance
®
100kw
20kw
Pp 5kw
(kw) 2kw
500w
100w
1µs
10µs
100µs 1ms
Pulse Time (tp)
Figure 2 - Peak Pulse Power vs. Pulse Time
10ms
268 w w w . l i t t e l f u s e . c o m
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