Network cabinet fan controller

SMAJ SERIES 
Revision：12-Apr-16                                                                www.brightking.com 
 
Transient Voltage Suppressors (TVS) Data Sheet 
 
Features 
 
■ For surface mounted applications in order to optimize board space 
■ Low profile package 
■ Glass passivated junction 
■ Low inductance 
■ Excellent clamping capability 
■ 400W peak pulse power capability at 10/1000μs waveform,  
repetition rate (duty cycle): 0.01% 
■ Fast response time 
■ Typical IR less than 1μA above 10V 
■ High Temperature soldering: 260
/10 seconds at 
℃
terminals 
■ Plastic package has underwriters laboratory flammability 94V-0 
■ Meets MSL level 1, per J-STD-020 
■ Safety certification:  UL: E244458 
■ AEC-Q101 qualified (SMAJ11~SMAJ440) 
 
Mechanical Data 
 
■ Case: JEDEC DO-214AC. Molded plastic over glass passivated junction 
■ Terminal: Solder plated, solderable per MIL-STD-750, Method 2026 
■ Polarity: Color band denotes cathode except bi-directional models 
■ Standard Packaging: 12mm tape (EIA STD RS-481) 
■ Weight: 0.07g 
 
Applications 
 
■ I/O interface                              ■ AC/DC power supply 
■ Low frequency signal transmission line (RS232, RS485, etc.) 
 
Maximum Ratings and Characteristics 
 
Ratings at 25℃ ambient temperature unless otherwise specified. 
Rating 
Symbol 
Value 
Units 
Peak pulse power dissipation at 10/1000μs waveform 
(Note1, Note2, Fig.1) 
PPPM 
Minimum 400 
Watts 
Peak pulse current of at 10/1000μs waveform (Note 1, Fig.3) 
IPPM 
See Table 
Amps 
Steady state power dissipation at TA=50℃ (Fig.5) 
PM(AV) 
3.3 
Watts 
Peak forward surge current, 8.3ms single half sine-wave 
superimposed on rated load, (JEDEC Method) (Note3, Fig.6) 
IFSM 
40 
Amps 
Operating junction and Storage Temperature Range. 
TJ,TSTG 
-65 to +150 
℃ 
Typical thermal resistance junction to lead 
RθJL 
30 
℃/W 
Typical thermal resistance junction to ambient 
RθJA 
120 
℃/W 
 Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25℃ per Fig.2. 
2. Mounted on 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal. 
3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum. 

SMAJ SERIES 
Revision：12-Apr-16                                                                www.brightking.com 
Dimensions (SMA/DO-214AC) 
 
 
Symbol
Millimeters 
Inches 
Min. 
Max. 
Min. 
Max. 
L 
3.99 
4.50 
0.157 
0.177 
D 
2.54 
2.79 
0.100 
0.110 
D1 
1.25 
1.65 
0.049 
0.065 
T 
4.93 
5.28 
0.194 
0.208 
T1 
0.76 
1.52 
0.030 
0.060 
d 
- 
0.203 
- 
0.008 
H 
2.00 
2.50 
0.079 
0.098 
H1 
1.98 
2.29 
0.078 
0.090 
 
Electrical Characteristics (TA=25℃) 
 
Part Number 
Device 
Marking 
Code 
Reverse
Stand-Off
Voltage 
Breakdown 
Voltage 
@IT 
Test 
Current
Maximum 
Clamping 
Voltage 
@IPP 
Peak 
Pulse 
Current
Reverse
Leakage
@VRWM
Unidirectional Bidirectional 
UNI 
BI 
VRWM(V) 
VBR(V) 
IT(mA)
VC(V) 
IPP(A) 
IR(μA) 
SMAJ5.0A 
SMAJ5.0CA 
AE 
WE 
5.0 
6.40~7.00 
10 
9.2 
43.5 
800 
SMAJ6.0A 
SMAJ6.0CA 
AG 
WG 
6.0 
6.67~7.37 
10 
10.3 
38.8 
800 
SMAJ6.5A 
SMAJ6.5CA 
AK 
WK 
6.5 
7.22~7.98 
10 
11.2 
35.7 
500 
SMAJ7.0A 
SMAJ7.0CA 
AM 
WM 
7.0 
7.78~8.60 
10 
12.0 
33.3 
200 
SMAJ7.5A 
SMAJ7.5CA 
AP 
WP 
7.5 
8.33~9.21 
1 
12.9 
31.0 
100 
SMAJ8.0A 
SMAJ8.0CA 
AR 
WR 
8.0 
8.89~9.83 
1 
13.6 
29.4 
50 
SMAJ8.5A 
SMAJ8.5CA 
AT 
WT 
8.5 
9.44~10.40 
1 
14.4 
27.8 
20 
SMAJ9.0A 
SMAJ9.0CA 
AV 
WV 
9.0 
10.00~11.10 
1 
15.4 
26.0 
10 
SMAJ10A 
SMAJ10CA 
AX 
WX 
10.0 
11.10~12.30 
1 
17.0 
23.5 
5 
SMAJ11A 
SMAJ11CA 
AZ 
WZ 
11.0 
12.20~13.50 
1 
18.2 
22.0 
1 
SMAJ12A 
SMAJ12CA 
BE 
XE 
12.0 
13.30~14.70 
1 
19.9 
20.1 
1 
SMAJ13A 
SMAJ13CA 
BG 
XG 
13.0 
14.40~15.90 
1 
21.5 
18.6 
1 
SMAJ14A 
SMAJ14CA 
BK 
XK 
14.0 
15.60~17.20 
1 
23.2 
17.2 
1 
SMAJ15A 
SMAJ15CA 
BM 
XM 
15.0 
16.70~18.50 
1 
24.4 
16.4 
1 
SMAJ16A 
SMAJ16CA 
BP 
XP 
16.0 
17.80~19.70 
1 
26.0 
15.4 
1 
SMAJ17A 
SMAJ17CA 
BR 
XR 
17.0 
18.90~20.90 
1 
27.6 
14.5 
1 
SMAJ18A 
SMAJ18CA 
BT 
XT 
18.0 
20.00~22.10 
1 
29.2 
13.7 
1 
SMAJ20A 
SMAJ20CA 
BV 
XV 
20.0 
22.20~24.50 
1 
32.4 
12.3 
1 
SMAJ22A 
SMAJ22CA 
BX 
XX 
22.0 
24.40~26.90 
1 
35.5 
11.3 
1 
SMAJ24A 
SMAJ24CA 
BZ 
XZ 
24.0 
26.70~29.50 
1 
38.9 
10.3 
1 
 
 

SMAJ SERIES 
Revision：12-Apr-16                                                                www.brightking.com 
Electrical Characteristics (TA=25℃) 
 
Part Number 
Device 
Marking 
Code 
Reverse
Stand-Off
Voltage 
Breakdown 
Voltage 
@IT 
Test 
Current
Maximum 
Clamping 
Voltage 
@IPP 
Peak 
Pulse 
Current
Reverse
Leakage
@VRWM
Unidirectional Bidirectional 
UNI 
BI 
VRWM(V) 
VBR(V) 
IT(mA)
VC(V) 
IPP(A) 
IR(μA) 
SMAJ26A 
SMAJ26CA 
CE 
YE 
26.0 
28.90~31.90 
1 
42.1 
9.5 
1 
SMAJ28A 
SMAJ28CA 
CG 
YG 
28.0 
31.10~34.40 
1 
45.4 
8.8 
1 
SMAJ30A 
SMAJ30CA 
CK 
YK 
30.0 
33.30~36.80 
1 
48.4 
8.3 
1 
SMAJ33A 
SMAJ33CA 
CM 
YM 
33.0 
36.70~40.60 
1 
53.3 
7.5 
1 
SMAJ36A 
SMAJ36CA 
CP 
YP 
36.0 
40.00~44.20 
1 
58.1 
6.9 
1 
SMAJ40A 
SMAJ40CA 
CR 
YR 
40.0 
44.40~49.10 
1 
64.5 
6.2 
1 
SMAJ43A 
SMAJ43CA 
CT 
YT 
43.0 
47.80~52.80 
1 
69.4 
5.8 
1 
SMAJ45A 
SMAJ45CA 
CV 
YV 
45.0 
50.00~55.30 
1 
72.7 
5.5 
1 
SMAJ48A 
SMAJ48CA 
CX 
YX 
48.0 
53.30~58.90 
1 
77.4 
5.2 
1 
SMAJ51A 
SMAJ51CA 
CZ 
YZ 
51.0 
56.70~62.70 
1 
82.4 
4.9 
1 
SMAJ54A 
SMAJ54CA 
RE 
ZE 
54.0 
60.00~66.30 
1 
87.1 
4.6 
1 
SMAJ58A 
SMAJ58CA 
RG 
ZG 
58.0 
64.40~71.20 
1 
93.6 
4.3 
1 
SMAJ60A 
SMAJ60CA 
RK 
ZK 
60.0 
66.70~73.70 
1 
96.8 
4.1 
1 
SMAJ64A 
SMAJ64CA 
RM 
ZM 
64.0 
71.10~78.60 
1 
103.0 
3.9 
1 
SMAJ70A 
SMAJ70CA 
RP 
ZP 
70.0 
77.80~86.00 
1 
113.0 
3.5 
1 
SMAJ75A 
SMAJ75CA 
RR 
ZR 
75.0 
83.30~92.10 
1 
121.0 
3.3 
1 
SMAJ78A 
SMAJ78CA 
RT 
ZT 
78.0 
86.70~95.80 
1 
126.0 
3.2 
1 
SMAJ85A 
SMAJ85CA 
RV 
ZV 
85.0 
94.40~104.00 
1 
137.0 
2.9 
1 
SMAJ90A 
SMAJ90CA 
RX 
ZX 
90.0 
100.00~111.00
1 
146.0 
2.7 
1 
SMAJ100A 
SMAJ100CA 
RZ 
ZZ 
100.0 
111.00~123.00
1 
162.0 
2.5 
1 
SMAJ110A 
SMAJ110CA 
SE 
VE 
110.0 
122.00~135.00
1 
177.0 
2.3 
1 
SMAJ120A 
SMAJ120CA 
SG 
VG 
120.0 
133.00~147.00
1 
193.0 
2.1 
1 
SMAJ130A 
SMAJ130CA 
SK 
VK 
130.0 
144.00~159.00
1 
209.0 
1.9 
1 
SMAJ150A 
SMAJ150CA 
SM 
VM 
150.0 
167.00~185.00
1 
243.0 
1.6 
1 
SMAJ160A 
SMAJ160CA 
SP 
VP 
160.0 
178.00~197.00
1 
259.0 
1.5 
1 
SMAJ170A 
SMAJ170CA 
SR 
VR 
170.0 
189.00~209.00
1 
275.0 
1.5 
1 
SMAJ180A 
SMAJ180CA 
ST 
VT 
180.0 
201.00~222.00
1 
292.0 
1.4 
1 
SMAJ190A 
SMAJ190CA 
SU 
YU 
190.0 
211.00~233.00
1 
308.0 
1.3 
1 
SMAJ200A 
SMAJ200CA 
SV 
VV 
200.0 
224.00~247.00
1 
324.0 
1.2 
1 
SMAJ210A 
SMAJ210CA 
SW 
YW 
210.0 
237.00~263.00
1 
340.0 
1.2 
1 
SMAJ220A 
SMAJ220CA 
GE 
VX 
220.0 
246.00~272.00
1 
356.0 
1.1 
1 
SMAJ250A 
SMAJ250CA 
SZ 
VZ 
250.0 
279.00~309.00
1 
405.0 
1.0 
1 
SMAJ300A 
SMAJ300CA 
TE 
UE 
300.0 
335.00~371.00
1 
486.0 
0.8 
1 
SMAJ350A 
SMAJ350CA 
TG 
UG 
350.0 
391.00~432.00
1 
567.0 
0.7 
1 
SMAJ400A 
SMAJ400CA 
TK 
UK 
400.0 
447.00~494.00
1 
648.0 
0.6 
1 
SMAJ440A 
SMAJ440CA 
TM 
UM 
440.0 
492.00~543.00
1 
713.0 
0.6 
1 
Notes: For bidirectional type having VRWM of 10V and less, the IR limit is double. 
 
 

SMAJ SERIES 
Revision：12-Apr-16                                                                www.brightking.com 
Ratings and Characteristic Curves (TA=25℃ unless otherwise noted) 
 
Figure 1. Peak Pulse Power Rating Curve 
 
Figure 2. Pulse Derating Curve 
 
0
25
50
75
100
125
150
0
20
40
60
80
100
TA-Ambient Temperature (℃) 
175
 
Figure 3. Pulse Waveform 
 
Figure 4. Typical Junction Capacitance 
0
0
50
t-Time (ms) 
1.0
3.0
2.0
4.0
TJ=25℃
Pulse Width(td) is defined as 
the point where the peak 
current decays to 50% of IPPM
tr=10µs
100
Peak Value IPPM 
Half Value IPPM (IPPM/2)
td
10/1000µs Waveform 
as defined by R.E.A
150
 
 
Figure 5. Steady State Power Dissipation Derating
Curve 
 
Figure 6. Maximum Non-Repetitive Forward 
        Surge Current Uni-Directional Only 
 
 

SMAJ SERIES 
Revision：12-Apr-16                                                                www.brightking.com 
Recommended Soldering Conditions 
 
Reflow Soldering 
 
 
Recommended Conditions 
 
 
Profile Feature 
Pb-Free Assembly 
Average ramp-up rate (TL to TP) 
3℃/second max. 
Preheat 
-Temperature Min (TS min) 
-Temperature Max (TS max) 
-Time (min to max) (tS) 
 
150℃ 
200℃ 
60-180 seconds 
TS max to TL 
  -Ramp-up Rate 
 
3℃/second max. 
Time maintained above: 
-Temperature (TL) 
-Time (tL) 
 
217℃ 
60-150 seconds 
Peak Temperature (TP) 
260℃ 
Time within 5℃ of actual Peak Temperature (tP) 
20-40 seconds 
Ramp-down Rate 
6℃/second max. 
Time 25℃ to Peak Temperature 
8 minutes max. 
 
Marking Code 
 
                
 

SMAJ SERIES 
Revision：12-Apr-16                                                                www.brightking.com 
Part Number Code 
 
 
 
Packaging 
 
Tape 
 
 
 
Symbol 
Dimension (mm) 
W 
12.00±0.20 
P0 
4.00±0.10 
P1 
4.00±0.10 
P2 
2.00±0.10 
D0 
Φ1.5±0.10 
D1 
Φ1.5±0.10 
E 
1.75±0.10 
F 
5.50±0.05 
A0 
2.79±0.10 
B0 
5.33±0.10 
K0 
2.55±0.15 
T 
0.25±0.05 
7” Reel 
 
D2 
Φ178.0±2.0 
D3 
Φ50.0Min. 
D4 
Φ13.0±0.5 
W1 
16.0±2.0 
Quantity: 1000PCS 
13” Reel 
 
D5 
Φ330.0±2.0 
D6 
Φ13.5±0.5 
H 
2.5±1.0 
W2 
16.0±2.0 
Quantity: 5000PCS