SGS Thomson Microelectronics SMAJ100A-TR, SMAJ10A-TR, SMAJ10CA-TR, SMAJ100CA-TR, SMAJ12A-TR Datasheet
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SMA J 5.0A-TR,CA-TR
SMA J 188A -TR,CA -TR
TRANSIL
TM
®
PEAK PULSE POW ER : 400 W (10/1000µs)
STAND OFF VOLTAGE RANGE :
From 5V to 188V.
UNI AND BID IRECTIONA L T YPES
LOW CLAMPING FACTO R
FAST RESPONSE TIME
JEDEC REGISTERED PACKAGE OUTLINE
FEATURES
SMA
(JEDEC D0214 AC)
Symbol Parameter Value Unit
P
PP
Peak pulse power dissipation (see note 1) Tj initial = T
amb
400 W
P Power dissipation on infinite heatsink T
amb = 50
°C3.3W
I
FSM
Non repetitive surge peak forward
current for unidirectional types
tp = 10ms
Tj initial = T
amb
40 A
T
stg
T
j
Storage temperature range
Maximum junction temperature
- 65 to + 175
150
°C
°C
T
L
Maximum lead temperature for soldering during 10 s. 260 °C
Note 1
: For a surge greater than the maximum valu es, the diode wil l fail in short-ci rcuit.
ABSOL UTE M AXIMU M RA TIN GS (T
amb
= 25°C)
DESCRIPTION
The SMAJ series are TRANSIL
TM
diodes designed
specifically for protecting sensitive equipment
against transient overvoltages. The SMA package
allows save spacing on high density printed circuit
boards.
Transil diodes provide high overvoltage protection
by clamping action. Their instantaneous response
to trans ient over voltage s makes them pa rticula rly
suite d to prot ect volt age sensit ive devic es such
as MOS Technology and low voltage supplied
IC’s.
September 1998 Ed: 5A
Symbol Parameter Value Unit
R
th (j-l)
Junction to leads 30 °C/W
R
th (j-a)
Junction to ambient on printed circuit on recommended pad
layout
120 °C/W
THERMAL RE SISTA NC ES
1/5
I
I
F
V
F
VV
CLVBR
V
RM
I
PP
I
RM
V
Symbol Parameter
V
RM
Stand-off voltage
V
BR
Breakdown voltage
V
CL
Clamping voltage
I
RM
Leakage current @ V
RM
I
PP
Peak pulse current
α
T Voltage temperature coefficient
V
F
Forward voltage drop
ELECTRICAL CHARACTERISTICS (T
amb
= 25°C)
Types
I
RM
@ VRMVBR @ IRVCL @ I
PPVCL
@ I
PP
α
TC
max min max max max typ
note2 10/1000µs 8/20µs note3 note4
Unidirectional Mark. Bidirectional Mark. µAV VmAV A V A10
-4
/°CpF
SMAJ5.0A-TR AE SMAJ5.0CA-TR AA 800 5.0 6 .4 10 9 .2 43.5 13.4 174 5.7 3500
SMAJ6.0A-TR DUB SMAJ6.0CA-TR DBB 800 6.0 6.7 10 10.3 38.8 13.7 170 5.9 3300
SMAJ6.5A-TR DUC SMAJ6.5CA-TR DBC 500 6.5 7.2 10 11.2 35.7 14.5 160 6.1 3100
SMAJ8.5A-TR DUH SMAJ8.5CA-TR DBH 10 8.5 9 .44 1 14.4 27.7 18.6 124 7.3 2000
SMAJ10A-TR AX SMAJ10CA-TR AC 5 10 11.1 1 17 23.5 21.7 106 7.8 1550
SMAJ12A-TR DUK SMAJ12CA-TR DBK 5 12 13.3 1 19.9 20.1 25.3 91 8.3 1325
SMAJ13A-TR BG SMAJ13CA-TR BH 1 13 14.4 1 21.5 18.6 27.2 85 8.4 1200
SMAJ15A-TR BM SMAJ15CA-TR AJ 1 15 16.7 1 24.4 16.4 32.5 71 8.8 975
SMAJ18A-TR DUQ SMAJ18CA-TR DBQ 1 18 20 1 29.2 13.7 39.3 59 9.2 800
SMAJ20A-TR DUR SMAJ20CA-TR DBR 1 20 22.2 1 32.4 12.3 42.8 54 9.4 725
SMAJ22A-TR DUS SMAJ22CA-TR DBS 1 22 24.4 1 35.5 11.2 48.3 48 9.6 625
SMAJ24A-TR DUT SMAJ24CA-TR DBT 1 24 26.7 1 38.9 10.3 50 46 9.6 600
SMAJ26A-TR DUU SMAJ26CA-TR DBU 1 26 28.9 1 42.1 9.5 53.5 43 9.7 575
SMAJ28A-TR CG SMAJ28CA-TR CH 1 28 31.1 1 45.4 8.8 59 39 9.8 510
SMAJ30A-TR CK SMAJ30CA-TR CL 1 30 33.3 1 48.4 8.3 64.3 36 9.9 480
SMAJ33A-TR CM SMAJ33CA-TR CN 1 33 36.7 1 53.3 7.5 69.7 33 10.0 450
SMAJ40A-TR DUZ SMAJ40CA-TR DBZ 1 40 44.4 1 64.5 6.2 84 27 10.1 370
SMAJ43A-TR EUA SMAJ43CA-TR EBA 1 43 47.8 1 69.4 5.7 91 25 10.2 350
SMAJ48A-TR CX SMAJ48CA-TR CY 1 48 53.3 1 77.4 5.2 100 23 10.3 320
SMAJ58A-TR EUF SMAJ58CA-TR EBF 1 58 64.4 1 93.6 4.3 121 19 10.4 270
SMAJ70A-TR EUI SMAJ70CA-TR EBI 1 70 77.8 1 113 3.5 146 16 10.5 230
SMAJ85A-TR EUL SMAJ85CA-TR EBL 1 85 94.4 1 137 2.9 178 13 10.6 200
SMAJ100A-TR EUN SMAJ100CA-TR EBN 1 100 111 1 162 2.5 212 11 10.7 170
SMAJ130A-TR EUQ SMAJ130CA-TR EBQ 1 130 144 1 209 1.9 265 9 10.8 145
SMAJ154A-TR EUT SMAJ154CA-TR EBT 1 154 171 1 246 1.6 317 7 10.8 125
SMAJ170A-TR SR SMAJ170CA-TR SS 1 170 189 1 275 1.4 353 6.5 10.8 120
SMAJ188A-TR EUV SMAJ188CA-TR EBV 1 188 209 1 328 1.4 388 6 10.8 110
Note 2 :
Pulse test : tp < 50 ms.
Note 3 :
∆
VBR = αT * (T
amb
- 25) * VBR(25°C).
Note 4 :
VR = 0 V, F = 1 MHz. For bidirectional types,
capacitance value is divided by 2.
10 s
1000 s
%I
PP
50
0
t
PULSE WAVEFORM 10/1000 s
100
SMAJxxxA-TR, CA-TR
2/5
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