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DATA SHEET
LQSD103A~LQSD103C
SMALL SIGNAL SCHOTTKY BARRIES SWITCHING DIODES
VOLTAGE
20 to 40 Volts
CURRENT
0.35 Amperes
QUADRO-MELF
Unit : inch (mm)
FEATURES
* Low Forward Voltage Drop * Guard Ring Construction for Transient Protection * Low Reverse Recovery Time * Low Reverse Capacitance * Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above
.0
67
(1
.7
)
MECHANICAL DATA
* Case: Molded Quadro Melf, Glass * Terminals: Solderable per MIL-STD-202E, Method 208 * Polarity: See Diagram Below * Approx. Weight: 0.03 grams * Mounting Position: Any * Packing information T/R - 2.5K per 7" plastic Reel
.020(0.5) .012(0.3) .146(3.7) .130(3.3) .020(0.5) .012(0.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25C unless otherwise noted)
PA RA M E TE R P e a k R e p e t i t i ve R e ve r s e V o l t a g e R M S R e ve r s e V o l t a g e M a x. A ve r a g e R e c t i f i e d C ur r e nt P e a k F o r w a r d S ur g e C ur r e nt , t < 0 . 3 m s P o w e r D i s s i p a t i o n D e r a t e A b o ve 2 5 O C M a x i m u m F o r w a r d V o l t a g e , IF = 2 0 m A IF = 2 0 0 m A M a xi m um R e ve r s e C ur r e nt Ty p i c a l J u n c t i o n C a p a c i t a n c e ( N o t e 1 ) Ty p i c a l R e v e r s e R e c o v e r y ( N o t e 2 ) M a xi m um The r m a l R e s i s t a nc e S t o r a g e Te m p e r a t u r e R a n g e S YM B O L V RRM V RM S IO IF S M PD VF IR CJ TRR R J A TS TG 5@30V L QS D 1 0 3 A 40 28 L QS D 1 0 3 B 30 21 350 15 400 0 .3 7 0 .6 0 5@20V 50 10 250 - 6 5 TO + 1 7 5
O
L QS D 1 0 3 C 20 14
.063(1.6) .055(1.4)DIA.
U N IT S V V mA A mW V
5@10V
uA pF ns C/W
O
C
NOTE: 1. CJ at VR=0, f=1MHZ 2. From IF=50mA to IR=200mA, RL=100 STAD-JUL.30.2004 PAGE . 1
RATING AND CHARACTERISTIC CURVES
1000
500
FORWARD CURRENT, mA
10
POWER DISSIPATION, mW
100
400
300
1.0
200
0.1
100
0.01
0
0.5
FORWARD VOLTAGE, VOLTS
1.0
0
0
100
200
AMBIENT TEMPERATURE, OC
Fig.1 FORWARD CHARACTERISTICS
Fig.2- POWER DISSIPATION DERATING CURVE
100
C J , CAPACITANCE (pF)
10
1.0
0.1 0 10 20 30 40 50
V R , REVERSE VOLTAGE (V)
Fig.3 TYPICAL CAPACITANCE vs REVERSE VOLATGE
STAD-JUL.30.2004
PAGE . 2

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