Technical Reference Notes
ALD12/18/20/25 Series
(Single Output 16th Brick)
PART NUMBERING SCHEME
TH PIN
LENGTH
O/P VOLTAGE
CONSTRUCTION
O/P CURRENT
Vin
Enable
TERMINATION
A
W
D
xx
y
48
N
-
6
S
L = Open frame
E = Baseplate
12 = 12A
18 = 18A
20 = 20A
25 = 25A
25 = 25A
25 = 25A
A = 5.0V
F = 3.3V
G = 2.5V
Y = 1.8V
M = 1.5V
K = 1.2V
N = Negative
Blank = Positive
6 = 3.7mm
Blank = 5mm (Consult with Factory)
default Blank = (TH) thru-hole
S = SMT Termination
Note: 1) For Through Hole termination: - Std pin length is 5mm nominal (min: 0.189 [4.8]; max: 0.205 [5.2] / in [mm])
- “-6” option is 3.7mm nominal (min: 0.137 [3.5]; max: 0.152 [3.9] / in [mm])
- Pins 4&8 diameter: = 0.062 [1.57], others: = 0.04 [1.0] (6X)
2) For SMT termination:
- Recommended surface mount pad = 0.11 [2.79] ± 0.005 [0.13] (in [mm])
Please call 1-888-41-ASTEC for further inquiries or visit
us at www.astecpower.com
MODEL: ALD12/18/20/25 SERIES
AUGUST 17, 2005 – REVISION C
SHEET 20 OF 20
ASTEC [ Astec America, Inc ]
