Glass Passivated Die Construction
400W Peak Pulse Power Dissipation
5.5V – 513V Standoff Voltage
Uni- and Bi-Directional Versions Available
Excellent Clamping Voltage
Typical Response Time < 1nS
Plastic Case Material has UL Flammability
Classification Rating 94V-0
Case: DO-41, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band Except Bi-Directional
Weight: 0.35 grams (approx.)
Mounting Position: Any
Marking: Type Number
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 6
400W TRANSIENT VOLTAGE SUPPRESSOR
Dim Min Max
A 25.4 —
B 4.06 5.21
C 0.71 0.864
D 2.00 2.72
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Peak Pulse Power Dissipation on 10/1000µS Waveform (Note 1, 2, 5)
Peak Pulse Current on 10/1000µS Waveform (Note 1)
Peak Forward Surge Current (Note 2, 3)
Maximum Instantaneous Forward Voltage at 25A (Note 3, 4)
Power Dissipation at TL = 75°C (Note 2)
Typical Thermal Resistance, Junction to Ambient (Note 2)
Typical Thermal Resistance, Junction to Lead (Note 2)
Operating and Storage Temperature Range
See Table 1
3.5 / 5.0
-55 to +150
Note: 1. Non-repetitive current pulse per Figure 5 and derated above TA = 25°C per Figure 1.
2. Mounted on 40 x 40 x 1.0mm thick copper pads to each terminal that maintained at a distance of 9.5mm from the case.
3. Measured on 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum. For uni-directional devices only.
4. VF < 3.5V for VBR ≤ 200V and VF < 5.0V for VBR ≥ 201V.
5. Peak pulse power waveform is 10/1000µS.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012