SMDJ Series
Transient Voltage Suppressors
Stand-off Voltage : 5 to 440 V
Peak Pulse Power : 3000 W
PINNING
PIN
1
DESCRIPTION
Cathode
Anode
2
Features
• 3000 W peak pulse power capability on 10 /1000 µs
• Excellent clamping capability
• Fast response time: typically less than 1 ps from
0 V to V(BR) for unidirectional types
1
2
Mechanical Data
• Case: SMC (DO-214AB) molded plastic
• Epoxy: UL 94V-0 rate flame retardant
• Terminals: Solder plated
Top view
Plastic Package : SMC(DO-214AB)
• Polarity: Color band denotes cathode end
Types for Bidirectional Applications
• For bidirectional use CA suffix for types SMDJ5.0A thru types SMDJ440A (e.g. SMDJ5.0A, SMDJ440CA)
• Electrical characteristics apply in both directions
Maximum Ratings and Electrical Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified. Single phase, half wave, 50 Hz, resistive or inductive load.
For capacitive load, derate by 20%
Parameter
Symbol
PPPM
IPPM
Value
Min. 3000
See Next Table
6.5
Unit
W
Peak Pulse Power Dissipation with a 10/1000 µs Waveform 1) 2)
Peak Pulse Current with a 10/1000 µs Waveform 1)
Power Dissipation On Infinite Heatsink At TL = 50 ℃
A
PD
W
Peak Forward Surge Current, 8.3 ms Single Half Sine-wave
Unidirectional only 3)
IFSM
300
A
Maximum Instantaneous Forward Volatge At 100 A For
Unidirectional Only 4)
VF
3.5/6.5
V
Operating Junction and Storage Temperature Range
Tj, Tstg
℃
- 55 to + 150
1) Non-repetitive current pulse. per Fig 3 and derated above Ta = 25℃ per Fig. 2
2) Mounted on copper pad area of 0.31x0.31" (8.0 x 8.0mm) to each terminal.
3) Measured on 8.3ms single half sine wave or eguivalent square wave for unidirectional device only,duty cycle=4 per minute maximum.
4) VF<3.5V for devices of VBR<200V and VF<6.5V for devices of VBR>201V.
Thermal Characteristics
Parameter
Symbol
Value
75
Unit
℃/W
℃/W
Typical Thermal Resistance from Junction to Ambient
Typical Thermal Resistance Junction to Lead
RθJA
RθJL
15
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Dated : 16/05/2023 JD Rev : 02