Switch Mode Power Supply Model PAM250 Medical Grade Certifications Highly H.A.L.T. 250 Watts output power Accelerated max 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% Load Regulation: ± 0.5% Thermal Shutdown Standard PARD: <1% or 50mV; DC OK: Standard; Open Collector 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 Output Polarity: Output is floating after 1/2-hour warm up Minimum Load: 0% of rated load Isolation: >20 MΩ @ 100 VDC between output terminals and chassis ground Transient Response: 3% for 25% load change @ 1A/µs; 50% duty cycle 50/60 Hz AC Power Fail: TTLLOW logic “0” at least 2 ms before 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 Remote On/Off: Optional rating Leakage Current: < 300 μA Efficiency: Up to 85% MTBF: MIL-STD-HDBK 217E >200,000 hours @ 25°C Highly Accelerated Life Testing A vailable Volta ge Outpu ts* 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 (back) - V1 - P AM250 - X - ABC.... Example: Part Number PAM250-6-OR= 250W Power Factor Corrected, 24V @ 10.5A with an OR-ring Diode and Remote On/Off. See 3rd page for PAM250 CODE TABLE AND AVAILABLE OPTIONS.

Model PAM250 Options (code) Surge & ESD Test Levels EN61000-4-5 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) CISPR 11 and 22 FCC Part 15 Class B (conducted) Single Wire Current Share ±5% (I) Square Current Limit (J) Molex Connector (K) Metric Mounting (M) Physical Specifications OR-ing Diode (O) Remote On/Off (R) Remote On/Off Invert (S) Dimensions: (HxWxL) 1.5" x 4.0" x 7" (cid:54)(cid:68)(cid:73)(cid:72)(cid:87)(cid:92)(cid:3)(cid:38)(cid:82)(cid:80)(cid:83)(cid:79)(cid:76)(cid:68)(cid:81)(cid:70)(cid:72) Operating Temp: 0 to 70°C; rated power to 50°C Recognition to UL60601-1 derate linearly to 50% at 70°C. CSA C22.2 No. 601.1 Relative Humidity: 5% to 90%, non-condensing BAUART Certification to EN60601-1 CB Test Report in Accordance with IEC60601-1 Storage: -50 to 85°C/20-90% RH CE Decleration to Low Voltage Directive 2006/95/EC 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 920 29-1951 (951) 699-1270 / Fax: (951) 676-9482 (800) 472-6624 www.tamuracorp.com FM 32227

PRODUCT CODE TABLE PAM250 Series Power Supply Standard Models Tailored Models Custom Models PAS250-X-Y …Y PAS250-60ZZZ PAS250-61ZZZ 1 n Voltage and Current Ratings Standard Options X Volts Amps Y Code Descriptions Codes A 12Vdc, 0.5A Auxiliary Output** 1 Not Available B Droop Share* C Fan Assembly** 2 Not Available E DCOK Invert F PF Invert 3 Not Available G Field configurable options – B, I, and J I Single Wire Share* J Square Current Limit 4 12.0 21.0 K Molex Connector, 7A max. (#8 stud standard) M Metric Mounting 5 15.0 17.0 O ORing Diode R Remote On/Off (closed is OFF) 6 24.0 10.5 S Remote On/Off Invert (open is OFF) 7 28.0 9.0 *Includes Option J **Options A and C are not available together 8 36.0 7.2 Tailored Units (no safety changes) 9 48.0 5.5 60ZZZ, where ZZZ = Factory Assigned Number Harnesses Added, Special test data, Etc. Custom Units (safety critical changes) 61ZZZ, where ZZZ = Factory Assigned Number Page 1 of 1 39188 Rev. C