Datasheet

ManualsBrandsSTMICROELECTRONICS ManualsDiodesTVS Diode

November 2003 - Ed: 7C 1/5

Symbol Parameter Value Unit

Peak pulse load dump overvoltage

See note 1

amb

= 85°C 100 V

P Power dissipation on infinite heatsink T

amb

= 100°C 5 W

FSM

Non repetitive surge peak forward current. T

initial = 25°C

tp=10ms

500 A

stg

Storage temperature range. - 65 to + 175 °C

Maximum operating temperature 175 °C

Maximum lead temperature for soldering

during 10 sec at 4 mm from case.

230 °C

ABSOLUTE RATINGS (limiting values)

DESCRIPTION

Transient voltage suppressor diodes especially

useful in protecting integrated circuits, MOS, hy-

brids and other overvoltages sensitive semicon-

ductors and components.

TRANSIENT VOLTAGE SUPPRESSOR

DIODE ESPECIALLY DESIGNED FOR

LOAD DUMP PROTECTION

COMPLIANT WITH MAIN STANDARDS

SUCH AS:

ISO / DTR 7637

FEATURES

Symbol Parameter Value Unit

(j-a) Junction ambient thermal resistance on infinite heatsink

lead

=10mm

15 °C/W

THERMAL RESISTANCES

Note 1: For surges greater than the maximum values, the diode will present a short-circuit Anode - Cathode.

LDP24A

LOAD DUMP

TRANSIENT PROTECTION

Summary of content (5 pages)

PAGE 1
LDP24A ® TRANSIENT PROTECTION LOAD DUMP FEATURES n n TRANSIENT VOLTAGE SUPPRESSOR DIODE ESPECIALLY DESIGNED FOR LOAD DUMP PROTECTION COMPLIANT WITH MAIN STANDARDS SUCH AS: ISO / DTR 7637 DESCRIPTION Transient voltage suppressor diodes especially useful in protecting integrated circuits, MOS, hybrids and other overvoltages sensitive semiconductors and components.
PAGE 2
LDP24A I ELECTRICAL CHARACTERISTICS Symbol Parameter VRM Stand-off voltage. VBR Breakdown voltage. VCL Clamping voltage. IPP Peak pulse current. αT Temperature coefficient of VBR. C IF VCL VBR V RM VF V I RM Capacitance IRM Leakage current at VRM VF Peak forward voltage drop I PP Symbol Test Conditions Ipp Pulse duration: 40ms IRM Tj = 25°C Tj = 85°C VRM = 24 V VRM = 24 V VBR Tj = 25°C IR = 1mA VCL Tj = 85°C Min. Typ.
PAGE 3
LDP24A Fig. 1: Peak pulse power versus exponential pulse duration (Tj initial=85°C). Fig. 2 : Peak pulse current versus exponential pulse duration (Tj initial=85°C). Ppp(kW) Ipp(A) 200 10.0 5.0 100 2.0 50 1.0 0.5 20 0.2 0.1 tp(ms) tp(ms) 1 2 5 10 20 50 10 100 Fig. 3: Relative variation of peak pulse power versus junction temperature. 6 1.0 5 0.8 4 0.6 3 0.4 2 0.
PAGE 4
LDP24A Fig. 7: Non repetitive surge peak forward current versus sinusoidal pulse duration and corresponding value of I2t. Fig. 8: Junction capacitance versus reverse applied voltage.
PAGE 5
LDP24A PACKAGE MECHANICAL DATA R6 (Plastic) B A B DIMENSIONS REF. Millimeters Min. ∅D ∅C n Inches Typ. Max. 9.1 Min. Typ. Max. 0.338 0.358 A 8.6 B 25.4 ∅C 8.6 9.1 0.338 0.358 ∅D 1.2 1.3 0.047 0.051 1 Type Marking Package Weight Base qty Delivery mode LDP24A LDP24A R6 2.048 g 100 Ammopack LDP24ARL LDP24A R6 2.048 g 1000 Tape & Reel Resin meets UL94-V0 Information furnished is believed to be accurate and reliable.