Delta Electronics Q48SX Specifications, Part Numbering System, Model List, Mechanical Drawing

SPECIFICATIONS

GENERAL SPECIFICATIONS			OUTPUT SPECIFICATIONS
Input Voltage		36~75V	Voltage Accuracy	Typical (3.3V)	±1%
Switching Frequency	Typical (3.3V)	300KHz	Line Regulation	Typical (3.3V)	±0.05%
Isolation Voltage	In/Out	1500 Vdc	Load Regulation	Typical (3.3V)	±0.05%
MTBF	Bellcore (3.3V)	1.9M hours	Ripple & Noise	Typical (3.3V)	18 mV
OTP	Typical	110°C	Current Limits	Typical (3.3V)	110%
Size (w/o heatspreader)	(2.28”x1.45”x0.37”)	57.9x36.8x9.5mm	Voltage Trim		+10%, -20%
Size (with heatspreader)	(2.28”x1.45”x0.50”)	57.9x36.8x12.7mm

PART NUMBERING SYSTEM

Q	48	S	X	3R3	35	N	R		A
Type of	Input	Number of	Product	Output	Output	ON/OFF	Pin		Option Code
Product	Voltage	Outputs	Series	Voltage	Current	Logic	Length/type
Q – Quarter	48V	S - Single	X – Xena	3R3 – 3.3V	25 – 25A	N – Negative	R – 0.170”	Space-RoHS 5/6	A – Standard
Brick				050 – 5.0V	35 – 35A	P – Positive	N – 0.145”	F- RoHS 6/6	H - Heatspreader
							K – 0.110”
							M - SMD	(Lead Free)

MODEL LIST

MODEL NAME	INPUT			OUTPUT		EFF @ 100% LOAD
Q48SX3R335NR A	36V~75V	4.2A	3.3V		35A	90.5%
Q48SX05025NR A	36V~75V	4.5A	5.0V		25A	91.0%

MECHANICAL DRAWING

CONTACT: www.delta.com.tw/dcdc

USA:	Europe:	Asia & the rest of world:
Telephone:	Phone: +41 31 998 53 11	Telephone: +886 3 4526107 ext 6220
East Coast: (888) 335 8201	Fax: +41 31 998 53 53	Fax: +886 3 4513485
West Coast: (888) 335 8208	Email: DCDC@delta-es.com	Email: DCDC@delta.com.tw
Fax: (978) 656 3964
Email: DCDC@delta-corp.com

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