Switch Mode Power Supply
Model
PAS250
Highly
Accelerated
250 Watts output power
max
H . A . L . T. Life
Power Factor Correction
TESTED
Testing
Single Output
Electrical Specifications
Input Voltage: 85-132/180-264 VAC, 47-63 Hz, 1 phase
Input Current: <6A RMS @ 115 VAC @ full load
<3A RMS @ 230 VAC @ full load
Inrush Current: <35A, pk @ 265 VAC @ cold start
<75A, pk @ 132 VAC @ cold start
Harmonic Distortion: Meets EN61000-3-2 for Class A
EMI Filtering: Meets CISPR 11 and 22 and FCC Part 15
Class B (conducted)
Input Protection: Internal AC line fuse; 250 VAC, 8A
Output Power: 250W with 25CFM air; 130W Convection
Line Regulation: 0.3%
Thermal Shutdown Standard
Load Regulation: 0.5%
DC OK: Standard; Open Collector
PARD: <1% or 50mV;
20MHz bandwidth
Turn-on Delay: <1 second after application of AC Input
Hold-up Time: 16 ms @ full load (120 VAC)
Stability: <0.1% for 8 hours
after 1/2-hour warm up
Output Polarity: Output is floating
Isolation: >20 M @ 100 VDC between output
Minimum Load: 0% of rated load
terminals and chassis ground
Transient Response: 3% for 25% load change @ 1A/s;
AC Power Fail: TTL logic 0 at least 2 ms before
50% duty cycle 50/60 Hz
LOW
output drops 5%; Open Collector
Output Rise Time: <100 ms (10% to 90%)
Overvoltage Protect: Factory set, 125% 5%,
Current Limit: 105-130% of rated current; Hiccup
cycle AC to reset
Remote Sense: Compensates for up to 250mV of total cable
Reverse Voltage: Output has reverse voltage protection;
drop
Reverse current limited to 100% of output
rating
Remote On/Off: Optional
Efficiency: Up to 85%
MTBF: MIL-STD-HDBK 217E
>200,000 hours @ 25C
Highly Accelerated Life Testing
Available Voltage Outputs*
Continuous
Voltage Voltages Current
Codes (Volts) (Amps)
-4 12.0 21
-5 15.0 17
-6 24.0 10.5
-7 28.0 9.0
-8 36.0 7.2
-9 48.0 5.5
* Consult factory for other voltages and OEM quantities.
Note: Standard models are shown bold
PART # STRUCTURE:
MODEL - VOLTAGE CODE - OPTION CODES (See back)
- V1 -
PAS250 - X - ABC....
Example: Part Number PAS250-7-GS= 250W Power Factor Corrected, 28V @ 9A with Field Configuable Options (Droop Share,
Single Wire Share and Square Current Limit) and Remote On/Off Invert.
See 3rd page for PAS250 CODE TABLE AND AVAILABLE OPTIONS.
Model
PAS250
Options Surge & ESD Test Levels
N61000-4-5 Level 3 EN61000-4-2 Level 2
12V@0.5A Aux./Fan Drive (A) Droop Current Share 10% (B)
EN61000-3-2 for Class A EN61000-4-2 Level 3 (Air Only)
Fan Assembly (C) DC OK Invert (E)
EN61000-4-4 Level 3 EN61000-4-11
PF Invert (F) Field-Configurable (G)
Meets Class B conducted limits per CISPR 11/22 and 47 CFR 15 subpt B
Single Wire Current Share 5% (I) Square Current Limit (J)
Molex Connector (K) Metric Mounting (M)
OR-ing Diode (O) Remote On/Off (R)
Physical Specifications
Remote On/Off Invert (S)
Dimensions: (HxWxL) 1.5" x 4.0" x 7"
Safety Compliance
Operating Temp: 0 to 70C; rated power to 50C
IEC / EN / UL / CSA 60950-1
derate linearly to 50% at 70C.
CE Declaration to Low Voltage Directive 2006/95/EC and
Relative Humidity: 5% to 90%, non-condensing
RoHS Directive 2011/65/EU
Storage: -50 to 85C/20-90% RH
Altitude: 6561
40,000' storage
Copyright 2011 TAMURA CORPORATION OF AMERICA. Specifications subject to change without notice.
TAMURA CORPORATION OF AMERICA
1040 South Andreasen Drive, STE. 100 Escondido, CA 92029-1951
(951) 699-1270 / Fax: (951) 676-9482
(800) 472-6624 www.tamuracorp.com