BPW38
HERMETIC SILICON PHOTODARLINGTON
FEATURES
PACKAGE DIMENSIONS
• Hermetically sealed package
• Narrow reception angle
• European “Pro Electron” registered
0.209 (5.31)
0.184 (4.67)
DESCRIPTION
0.030 (0.76)
0.255 (6.48)
• The BPW38 is a silicon photodarlington
mounted in narrow angle TO-18 package.
NOM
0.50 (12.7)
MIN
SCHEMATIC
C
0.020 (0.51) 3X
Base
B
0.100 (2.54)
0.050 (1.27)
Emitter
Collector
(Case)
E
0.040 (1.02)
0.040 (1.02)
Ø0.100 (2.54)
45°
1. Derate power dissipation linearly 3.00 mW/°C above 25°C ambient.
2. Derate power dissipation linearly 6.00 mW/°C above 25°C case.
3. RMA flux is recommended.
4. Methanol or isopropyl alcohols are recommended as cleaning
agents.
NOTES:
5. Soldering iron tip 1/16” (1.6mm) minimum from housing.
6. As long as leads are not under any stress or spring tension.
7. Light source is a GaAs LED emitting light at a peak wavelength of
940 nm.
1. Dimensions for all drawings are in inches (mm).
2. Tolerance of .010 (.25) on all non-nominal dimensions
unless otherwise specified.
(T = 25°C unless otherwise specified)
ABSOLUTE MAXIMUM RATINGS
A
Parameter
Operating Temperature
Storage Temperature
Soldering Temperature (Iron)(3,4,5 and 6)
Soldering Temperature (Flow)(3,4 and 6)
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Power Dissipation (TA = 25°C)(1)
Power Dissipation (TC = 25°C)(2)
Symbol
TOPR
TSTG
TSOL-I
TSOL-F
VCEO
VCBO
VEBO
PD
Rating
-65 to +125
-65 to +150
240 for 5 sec
260 for 10 sec
25
Unit
°C
°C
°C
°C
V
V
V
mW
mW
25
12
300
600
PD
2001 Fairchild Semiconductor Corporation
DS300280
3/15/01
1 OF 4
www.fairchildsemi.com