Surface Mount Transient Voltage Suppressors
Reflow Condition
-Temperature Min (Ts(min)
Lead–free assembly
150°C
TP
)
Critical Zone
TL to TP
Ramp-up
-Temperature Max (Ts(max)
)
200°C
Pre Heat
TL
TS(max)
- Time (min to max) (ts)
60 -180 Seconds
Ramp-down
Average ramp up rate ( Liquidus Temp TL)
to peak
3°C/second max
TS(min)
TS(max) to TL - Ramp-up Rate
3°C/second max
217°C
Preheat
- Temperature (TL) (Liquidus)
Reflow
25
Time to peak temperature
Time
(t 25℃ to peak)
- Time (min to max) (ts)
60 -150 Seconds
260 +0/-5°C
Peak Temperature (TP)
Time within 5°C of actual peak
Temperature (tp)
20 -40 Seconds
Ramp-down Rate
6°C/second max
8 minutes Max
260°C
Time 25°C to peak Temperature (TP)
Do not exceed
Inches
Millimeters
DO-214AB (SMC)
Cathode Band
Dimensions
Min
0.114
0.260
0.220
0.079
0.030
-
Max
0.126
0.280
0.245
0.103
0.060
0.008
0.320
0.012
-
Min
2.86
6.520
5.520
1.980
0.750
-
Max
3.160
7.020
6.150
2.590
1.510
0.203
8.020
0.305
-
A
B
C
D
E
F
G
H
I
0.305
0.006
0.129
0.094
-
7.640
0.152
3.300
2.400
-
J
-
-
K
L
0.165
-
4.200
-
0.094
2.400
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Revision December 19, 2019
4 / 4
UNSEMI [ UN Semiconducctor INC ]
