Technical Specification
S25-48-3.3, S25-48-3.3N
48Vin 3.3Vout 7A
BTCPower
TM
CONVERTER SELECTION
Typical @ T
a
=+25°C under nominal line voltage and full load conditions.
Input
Voltage (Volts)
Model
S25-48-3.3
Nominal
48
Range
36-75
Current (A)
No load
0.050
Full load
0.585
Output
Voltage
(Volts)
3.3
Current
(Amps)
7.0
Efficiency
75% Load
(%)
88
Consult factory for other output voltage configurations.
Outline Information and Summary Specifications
Pin Connection
Pin# Single Output
1
On/Off
2
3
4
5
6
Vin -
Vin +
Vout +
Vout -
Trim
All dimensions are in inches [mm]
All pins are dia. 0.040 [1.02]
Pin material: Brass
Pin finish: Gold plated
Insulator pad around pins: Silicone rubber
Case: Aluminum m aterial with anodized finish
Weight: 39.2 (1.4oz)
Tolerance
Inches
•XX
±
0.020
•XXX
±
0.010
Pin:
±
0.002
Millimeters
•X
±
0.5
•XX
±
0.25
±
0.05
Thermal derating for vertical orientation, Vin=54V
Output
Voltage
(Volts)
3.3
Output Current at 40°C (Amps)
Free Air
7.0
200 LFM
7.0
300 LFM
7.0
Output Current at 60°C (Amps)
Free Air
5.8
200 LFM
7.0
300 LFM
7.0
Output Current at 80°C (Amps)
Free Air
3.1
200 LFM
4.1
300 LFM
5.5
The information and specifications contained in the specification are believed to be accurate and reliable at the time
of publication. Specifications are subject to change without notice.
Broadband TelCom Power, Inc. –
1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
P 2 of 11
Tel.: 714-259-4888 • Fax: 714-259-0840 • www.btcpower.com • Email: sales@btcpower.com
PS S25-48-3.3 Rev 3 16-1-04
BTCPOWER [ BROADBAND TELCOM POWER, INC. ]
