Rated40W
Peak55W
SNP-H04x-M Series

MedicalGeneral Purpose

Features:●

Design for BF application●

Safety Class II & EMI Class B●

High mechanical torque start-up●-20oC to +70oC operating temperature●

3,000m operation altitude●

Convection cooling for rated load

2" x 3" x 0.91"

General Specifications:
Input voltage ......................................... 90 VAC to 264 VAC
Input frequency ............................................. 47 Hz to 63 Hz
Inrush current ................................ < 30/60A at 115/230VAC
Hold up time ................................................................. 16ms
Over load/Short citcuit protection ................... auto recovery
Over voltage protection ............................................ latch off
Operating temperature ..................................... -20oC to 70oC
derating: 2.5% / oC > 50oC
Storage temperature ..................................... -40oC to +85oC

EMI .......................................... EN55011 "B", EN61000-3-3
Harmonics............................................ EN61000-3-2, class A
EMS...................................... EN61000-4-2,-3,-4,-5,-6,-8,-11
Safety ................. ANSI/AMMI/CSA/EN60601-1, 3rd edition
CB report, CE mark, RM report/file

Mechanical Specifications:76.2(3")

Notes:
1.
50.8(2")

2.
3.
4.

23.1 max.
(0.91")-Hui-MAY 2015

5.

Size:
2" x 3" x 0.91"
Mounting Hole:
44.5 x 69.9 (mm)Connectors:
AC input: Molex 5277-02A or equivalent
DC output: Molex 5273-04A or equivalent
Output Pin assignment:
1234Vo

Vo

GND

GND

Packing:
Net weight: 88.5 g approx. / unit
Gross weight: 11.4 kg approx. / carton, 100 units / carton
Carton size (mm): 412 (L) x 382 (W) x 225 (H)10 years Warranty (contact Skynet's Distributors for details)** This data sheet is only for models selection. For business, engineering specification by model must be used.

4-1

MedicalGeneral Purpose

Rated40W
Peak55W
SNP-H04x-M Series

Output Specifications:MODEL

OUTPUT			 LOADRAIL

INITIALRATED		 MAX.

PEAK

ACCURACYRIPPLEMIN.

SNP-H047 -M+12V0A

3.33A		

4.7A

+11.0V~+12.1V

100mVpp

82% typ.

SNP-H049 -M

+24V

0A

1.66A		

2.4A

+23.7V~+24.3V<150mVpp

84% typ.

NO.

NOISE

EFFICIENCY

Note:
1.
2.

3.

Peak Load Duration:
Peak 55W can last for 5 sec.
Isolation Grade:Primary ←→ Ground : 1MOPP (1500Vac)
Primary ←→ Secondary : 2MOPP (4000Vac)
Secondary ←→ Ground		 : 1MOPP (1500Vac)
Leakage Current:
Touch current < 100uA-Hui-4-2** This data sheet is only for models selection. For business, engineering specification by model must be used.

MAY 2015

Rated40W
Peak55W
SNP-H04x-M Series

MedicalGeneral Purpose

Performance for SNP-H047-M:
1. Switching frequency ripple

2. Line frequency ripple+12V/3.33A+12V/3.33A

50mV/div, 5ms/div

50mV/div, 5us/div

3. Output turn on wave form4. Output turn off wave form

+12V/3.33A+12V/3.33A

5.0V/div, 10ms/div

5.0V/div, 10ms/div

5. Hold-up time

6. Over voltage protection
Trip point around 14.2V

60% Rated load

5.0V/div

Primary DC

100V/div

10ms/div

5.0V/div, 10ms/div-Hui-MAY 2015** This data sheet is only for models selection. For business, engineering specification by model must be used.

4-3

MedicalGeneral Purpose

7. +12V step response

Rated40W
Peak55W
SNP-H04x-M Series

8. FCC B Class I+12V

200ms/div, 2md/div+12V step from 0.666A to 3.33A

9. CISPR 22 B Class I

10. FCC B Class II

11. CISPR 22 B Class II

12. Power derating curve-Hui-4-4** This data sheet is only for models selection. For business, engineering specification by model must be used.

MAY 2015