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1N5908RL
TRANSIL
1N5908
SM5908TRANSILTM
UNIDIRECTIONAL TRANSIL DIODE
PEAK PULSE POWER : 1500 W (10/1000μs)
REVERSE STAND OFF VOLTAGE : 5 V
LOW CLAMPING FACTOR
FAST RESPONSE TIME
UL RECOGNIZED
FEATURES
Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit.
ABSOLUTE MAXIMUM RATINGS (Tamb = 25°C).
DESCRIPTIONThe 1N5908 and SM5908 are dedicated to the 5 V
logic circuit protection (TTL and CMOS technologies).
Their low clamping voltage at high current level
guarantees excellent protection for sensitive
components.
August 1999 Ed : 2A
THERMAL RESISTANCES1/6
ELECTRICAL CHARACTERISTICS(Tamb = 25°C)
Fig. 1: Peak pulse power dissipation versusinitial junction temperature (printed circuit board).
Note 2 : Pulse test : tp < 50ms
Note 3 : ΔVBR = αT*(Tamb-25)* VBR (25°C).
Note 4 : VR = 0V, F = 1 MHz
1N5908/SM59082/6
Fig. 2 : Peak pulse power versus exponential pulse duration.
Fig. 3 : Clamping voltage versus peak pulse current.
Exponential waveform tp = 10 ms...............
tp = 1 ms-------------
tp = 20 μs________
Note : The curves of the figure 3 are specified for a junction temperature of 25 °C before surge. The given results may be extrapolated for other junction temperatures by using the following formula :
ΔVBR = αT *(Tamb - 25) * VBR (25°C).
1N5908/SM59083/6
Fig. 6b : SMC Package.Mounting on FR4 PC Board with recommended
pad layout.
Fig. 5 : Peak forward voltage drop versus peakforward current.
Fig. 6a : CB429 Package. (For FR4 PC Board with L lead = 10 mm)
Fig. 4 : Capacitance versus reverse applied
voltage (typical values).
Fig. 6a/6b : Transient thermal impedance junction-ambient versus pulse duration.
Fig. 7 : Relative variation of leakage current versus junction temperature.
1N5908/SM59084/6
MARKING : Logo, type code and cathode band
Packaging : Standard packaging is in tape and reel.
PACKAGE MECHANICAL DATA
SMC (Plastic)
Weight = 0.25 g.
FOOT PRINT (in millimeters)
ORDER CODE
1N5908/SM59085/6
. consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 1999 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia
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http://CB429 (Plastic)
Weight = 0.85 g.
PACKAGE MECHANICAL DATA
Packaging : Standard packaging is in tape and reel.
1N5908/SM59086/6
