DS30361 Rev. 4 - 2 1 of 4 TB0640M - TB3500M
www.diodes.com
Features
· 50A Peak Pulse Current @ 10/1000ms
· 250A Peak Pulse Current @ 8/20ms
· 58 - 320V Stand-Off Voltages
· Oxide-Glass Passivated Junction
· Bi-Directional Protection In a Single Device
· High Off-State impedance and Low On-State
Voltage
· Helps Equipment Meet GR-1089-CORE, IEC
61000-4-5, FCC Part 68, ITU-T K.20/K.21, and
UL497B
· UL Listed Under Recognized Component Index,
File Number 156346
Mechanical Data
· Case: SMB, Molded Plastic
· Plastic Material: UL Flammability
Classification Rating 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Solder Plated Terminal -
Solderable per MIL-STD-202, Method 208
· Polarity: None; Bi-Directional Devices Have No
Polarity Indicator
· Weight: 0.093 grams (approx.)
· Marking: Date Code and Marking Code (See Page 4)
· Ordering Information: See Page 4
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
B
A
C
D
F
H
E
G
Characteristic Symbol Value Unit
Non-Repetitive Peak Impulse Current @10/1000us
I
pp
50 A
Non-Repetitive Peak On-State Current @8.3ms (one-half cycle)
I
TSM
30 A
Junction Temperature Range
T
j
-40 to +150 °C
Storage Temperature Range
T
STG
-55 to +150 °C
Thermal Resistance, Junction to Lead
R
qJL
20 °C/W
Thermal Resistance, Junction to Ambient
R
qJA
100 °C/W
Typical Positive Temperature Coefficient for Breakdown Voltage
DVBR/DT
j
0.1 %/°C
SMB
Dim Min Max
A
4.06 4.57
B
3.30 3.94
C
1.96 2.21
D
0.15 0.31
E
5.21 5.59
F
0.05 0.20
G
2.01 2.50
H
0.76 1.52
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Maximum Rated Surge Waveform
Waveform Standard Ipp (A)
2/10 us GR-1089-CORE 300
8/20 us IEC 61000-4-5 250
10/160 us FCC Part 68 150
10/700 us ITU-T, K.20/K.21 100
10/560 us FCC Part 68 75
10/1000 us GR-1089-CORE 50
0
TIME
100
50
0
I , PEAK PULSE CURRENT (%)
PP
Peak Value (I )
pp
Half Value
t = rise time to peak value
r
t = decay time to half value
p
t
r
t
p
TCUDORPWEN
TB0640M - TB3500M
50A BI-DIRECTIONAL SURFACE MOUNT THYRISTOR
SURGE PROTECTIVE DEVICE