P4SMA6.8CA

P4SMA Series Transient Voltage Suppressors Description The P4SMA series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features t
)BMPHFO'SFF t
3P)4
DPNQMJBOU t
'
PS
TVSGBDF
NPVOUFE
applications to optimize board space t

-PX
QSPmMF
QBDLBHF t

#VJMUJO
TUSBJO
SFMJFG t
5ZQJDBM
NBYJNVN
temperature coefficient t
'BTU
SFTQPOTF
UJNF
typically less than 1.0ps from 0V to BV min t
&YDFMMFOU
DMBNQJOH
capability t
-PX
JODSFNFOUBM
TVSHF
resistance t
5ZQJDBM
*R less than 1μA above 12V t
)JHI
5FNQFSBUVSF
soldering guaranteed: 260°C/40 seconds at terminals t
1MBTUJD
QBDLBHF
IBT
Underwriters Laboratory Flammability 94V-O t
.BUUF
5JO
-FBEoGSFF
1MBUFE ΔVBR = 0.1% x VBR@25°C x ΔT t
(MBTT
QBTTJWBUFE
DIJQ
junction t
8
QFBL
QVMTF
QPXFS
capability at 10×1000μs waveform, repetition rate (duty cycles):0.01% Maximum Ratings and Thermal Characteristics (TA =25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation at TA=25ºC by 10x1000μs waveform (Fig.1)(Note 1), (Note 2) PPPM 400 W Power Dissipation on infinite heat sink at TA=50OC PM(AV) 3.3 W 40 A 3.5V/6.5 V -65 to 150 °C Peak Forward Surge Current, 8.3ms IFSM Single Half Sine Wave (Note 3) Maximum Instantaneous Forward Voltage at 25A for Unidirectional VF only (Note 4) Operating Junction and Storage TJ , TSTG Temperature Range SMA(DO-214AC) Typical Thermal Resistance Junction to Lead R uJL 30 °C/W Typical Thermal Resistance Junction to Ambient R uJA 120 °C/W Notes: 1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2 . 2. Mounted on 0.2x0.2” (5.0 x 5.0mm) copper pad to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. 4. V F