Circuit Protection
Product Specification
5
8
SMAJ
Transient Voltage Suppressors
Electrical Characteristics (TA=25℃)
Maximum
Clamping
Voltage
@IPP
Device
Marking
Code
Reverse
Stand-Off
Voltage
Breakdown
Voltage
@IT
Peak
Pulse
Current @VRWM
Reverse
Leakage
Test
Current
Part Number
UNI
BI
VT
YU
VV
YW
VX
VZ
UE
UG
UK
UM
VRWM(V)
180.0
190.0
200.0
210.0
220.0
250.0
300.0
350.0
400.0
440.0
VBR(V)
IT(mA)
VC(V)
292.0
308.0
324.0
340.0
356.0
405.0
486.0
567.0
648.0
713.0
IPP(A)
1.4
1.3
1.2
1.2
1.1
1.0
0.8
0.7
0.6
0.6
IR(μA)
Unidirectional Bidirectional
SMAJ180A
SMAJ190A
SMAJ200A
SMAJ210A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
SMAJ180CA
SMAJ190CA
SMAJ200CA
SMAJ210CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
ST
SU
SV
SW
GE
SZ
TE
TG
TK
TM
201.00~222.00
211.00~233.00
224.00~247.00
237.00~263.00
246.00~272.00
279.00~309.00
335.00~371.00
391.00~432.00
447.00~494.00
492.00~543.00
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Notes: For bidirectional type having VRWM of 10V and less, the IR limit is double.
Ratings and Characteristic Curves (TA=25℃ unless otherwise noted)
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Derating Curve
10
100
80
60
1
40
20
0
0.2×0.2″(5.0×5.0mm)
Copper Pad Area
0.1
1
10
100
1000
0
25
50
75
100 125 150
175
TA-Ambient Temperature (℃)
td-Pulse Width (µs)
www.yageo.com
Apr. 29, 2019 V.0