RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
TVS
TFMAJ
SERIES
SURFACE MOUNT GPP
GPP TRANSIENT VOLTAGE SUPPRESSOR
400 WATT PEAK POWER 1.0 WATT STEADY STATE
FEATURES
*
*
*
*
*
*
Plastic package has underwriters laboratory
Glass passivated chip construction
400 watt surage capability at 1ms
Excellent clamping capability
Low zener impedance
Fast response time
0.067 (1.70)
0.051 (1.29)
DO-214AC
0.110 (2.79)
0.086 (2.18)
0.180(4.57)
0.160(4.06)
MECHANICAL DATA
* UL listed the recognized component directory (QVGQ2), file
#E211196
Ratings at 25
o
C ambient temperature unless otherwise specified.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
0.091 (2.31)
0.067 (1.70)
0.059 (1.50)
0.035 (0.89)
0.209 (5.31)
0.185 (4.70)
0.012 (0.305)
0.006 (0.152)
0.008 (0.203)
0.004 (0.102)
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA suffix for types TFMAJ5.0 thru TFMAJ170
Electrical characteristics apply in both direction
MAXIMUM RATINGS
(At T
A
= 25 C unless otherwise noted)
RATINGS
Peak Power Dissipation with a 10/1000uS (Note 1,2,5 Fig.1)
Peak Pulse Current with a 10/1000uS waveform ( Note 1, Fig.2 )
Steady State Power Dissipation (Note 3)
Peak Forward Surge Current per Fig.5 (Note 3)
Maximum Instantaneous Forward Voltage at 25A (Note 4)
Operating and Storage Temperature Range
SYMBOL
P
PPM
I
PPM
P
M
(
AV
)
I
FSM
V
F
T
J
, T
STG
VALUE
Minimum 400
SEE TABLE 1
1.0
40
3.5
-55 to + 150
UNITS
Watts
Amps
Watts
Amps
Volts
0
o
C
2002-12
NOTES : 1. Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25
o
C per Fig.2.
2. Mounted on 0.2 X 0.2”( 5.0 X 5.0mm ) copper pad to each terminal.
3. Lead temperature at T
L
= 25
o
C
4. Measured on 8.3mS single half sine-wave duty cycle = 4 pules per minute maximum.
5. Peak pulse power waveform is 10/1000uS.
RATING AND CHARACTERISTIC CURVES ( TFMAJ5.0 THRU TFMAJ170CA )
FIG. 1 - PEAK PULSE POWER RATING CURVE
FIG. 2 - PULSE DERATING CURVE
PEAK PULSE POWER (PPP) OR CURRENT
PPPM, PEAK PULSE POWER, kW
100
Non-Repetitive
Pulse Waveform
Shown in Fig.3
TA = 25
1.00
(IPP) DERATING IN PERCENTAGE,%
.75
10
.50
1.0
.25
0.1
0.1uS
0
0
25
50
75
100 125 150
175 200
)
T
A
, AMBIENT TEMPERATURE,(
1.0uS
10uS
100uS
1.0mS
10mS
T
P
, PULSE WIDTH, sec
FIG. 3 - PULSE WAVEFORM
150
I
PPM
, PEAK PULSE CURRENT,%
tr = 10usec.
Peak Value
IPPM
Pulse Width (td) is Defined
as the Point Where the Peak
Current Decays to 50% of IPPM
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
10000
f = 1.0 MHz
Vsig = 50mVp-p
TJ = 25
C
J
, CAPACITANCE, pF
100
I
PPM
HALF VALUE -
2
10/1000usec. Waveform
as Defined by R.E.A.
1000
Measured at
Zero Bias
50
100
Measured at
Stand off
Voltage,VWM
td
0
0
1.0
2.0
t, TIME,mS
3.0
4.0
10
1.0
10
100 200
V(
BR
), BREAKDOWN VOLTACE, VOLTS
FIG. 6 - MAXIMUM NON-REPETITIVE FORWARD
I
FSM
, PEAK FORWARD SURGE
CURRENT AMPERES
SURGE CURRENT UNIDIRECTIONAL
8.3ms Single Half Sine-Wave
(JEDED Method)
T J = T J max.
50
40
30
20
10
0
1
10
100
NUMBER OF CYCLES AT 60 Hz
RECTRON
TRANSIENT VOLTAGE SUPPRESSORS
400W SERIES TVS DIODES/DO-214AC ( CASE 2 ) 400W
Breakdown Voltage
VBR
@IT
(Volts)
MIN.
SMAJ40
SMAJ40A
SMAJ43
SMAJ43A
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
SMAJ78A
SMAJ85
SMAJ85A
SMAJ90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
TFMAJ40
TFMAJ40A
TFMAJ43
TFMAJ43A
TFMAJ45
TFMAJ45A
TFMAJ48
TFMAJ48A
TFMAJ51
TFMAJ51A
TFMAJ54
TFMAJ54A
TFMAJ58
TFMAJ58A
TFMAJ60
TFMAJ60A
TFMAJ64
TFMAJ64A
TFMAJ70
TFMAJ70A
TFMAJ75
TFMAJ75A
TFMAJ78
TFMAJ78A
TFMAJ85
TFMAJ85A
TFMAJ90
TFMAJ90A
TFMAJ100
TFMAJ100A
TFMAJ110
TFMAJ110A
TFMAJ120
TFMAJ120A
TFMAJ130
TFMAJ130A
TFMAJ150
TFMAJ150A
TFMAJ160
TFMAJ160A
TFMAJ170
TFMAJ170A
44.4
44.4
47.8
47.8
50.0
50.0
53.3
53.3
56.7
56.7
60.0
60.0
64.4
64.4
66.7
66.7
71.1
71.1
77.8
77.8
83.3
83.3
86.7
86.7
94.4
94.4
100
100
111
111
122
122
133
133
144
144
167
167
178
178
189
189
MAX.
54.3
49.1
58.4
52.8
61.1
55.3
65.1
58.9
69.3
62.7
73.3
66.3
78.7
71.2
81.5
73.7
86.9
78.6
95.1
86.0
102
92.1
106
95.8
115
104
122
111
136
123
149
135
163
147
176
159
204
185
218
197
231
209
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Reverse
Stand off
Voltage
VWM
(Volts)
40
40
43
43
45
45
48
48
51
51
54
54
58
58
60
60
64
64
70
70
75
75
78
78
85
85
90
90
100
100
110
110
120
120
130
130
150
150
160
160
170
170
Maximum
Reverse
Leakage
at VWM
ID(uA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Peak Pulse
Current
IPPM
(Amps)
5.6
6.2
5.2
5.8
5.0
5.5
4.7
5.2
4.4
4.9
4.2
4.6
3.9
4.3
3.7
4.1
3.5
3.9
3.2
3.5
3.0
3.3
2.9
3.2
2.0
2.2
1.9
2.1
1.7
1.9
1.5
1.7
1.4
1.6
1.3
1.4
1.1
1.2
1.0
1.2
0.99
1.09
Maximum
Clamping
Voltage
at IPPM
VC (Volts)
71.4
64.5
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103
93.6
107
96.8
114
103
125
113
134
121
139
126
151
137
160
146
179
162
196
177
214
193
231
209
268
243
287
259
304
275
Rectron
Industry No.
Rectron
House No.
Notes :
1. V
BR
measured after I
T
applied for 300ms. I
T
= square pulse or equivalent.
2. For bidirectional use C or CA suffixs for all types (ex. SMAJ5.0C,SMAJ170CA)
electrical characteristics apply in both directions.
3. For bidirectional types having V
WM
of 10 volts and less, the I
D
limit is doubled.
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