1N5225B to 1N5267B Voltage regulator diodes
Product specification Supersedes data of April 1992 1996 Apr 26
Philips Semiconductors
Product specification
Voltage regulator diodes
FEATURES · Total power dissipation: max. 500 mW · Tolerance series: ±5% · Working voltage range: nom. 3.0 to 75 V · Non-repetitive peak reverse power dissipation: max. 40 W.
handbook, halfpage
1N5225B to 1N5267B
DESCRIPTION Low-power voltage regulator diodes in hermetically sealed leaded glass SOD27 (DO-35) packages. The series consists of 43 types with nominal working voltages from 3.0 to 75 V.
k
a
MAM239
APPLICATIONS · Low-power voltage stabilizers or voltage references.
The diodes are type branded.
Fig.1 Simplified outline (SOD27; DO-35) and symbol.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL IF IZSM Ptot PARAMETER continuous forward current non-repetitive peak reverse current total power dissipation tp = 100 µs; square wave; Tj = 25 °C prior to surge Tamb = 50 °C; lead length max.; note 1 Lead length 8 mm; note 2 PZSM non-repetitive peak reverse power dissipation tp = 100 µs; square wave; Tj = 25 °C prior to surge; see Fig.3 tp = 8.3 ms; square wave; Tj 55 °C prior to surge Tstg Tj Notes 1. Device mounted on a printed circuit-board without metallization pad. 2. Tie-point temperature 75 °C. ELECTRICAL CHARACTERISTICS Table 1 Tj = 25 °C; unless otherwise specified. SYMBOL VF PARAMETER forward voltage CONDITIONS IF = 200 mA; see Fig.4 MAX. 1.1 UNIT V storage temperature junction temperature CONDITIONS MIN. - MAX. 250 UNIT mA
see Table "Per type" - - - - -65 -65 400 500 40 10 +200 +200 mW mW W W °C °C
1. VZ is measured with device at thermal equilibrium while held in clips at 10 mm from body in still air at 25 °C. 2. For types 1N5225B to 1N5242B the IZ current is 7.5 mA; for 1N5243B and higher IZ = IZtest. SZ values valid between 25 °C and 125 °C.
Product specification
Philips Semiconductors
Product specification
Voltage regulator diodes
THERMAL CHARACTERISTICS SYMBOL Rth j-tp Rth j-a Note 1. Device mounted on a printed circuit-board without metallization pad. PARAMETER
1N5225B to 1N5267B
CONDITIONS
VALUE 300 380
UNIT K/W K/W
thermal resistance from junction to tie-point lead length 10 mm thermal resistance from junction to ambient lead length max.; see Fig.2 and note 1