器件名称: MMSZ5257B
功能描述: 500mW SURFACE MOUNT ZENER DIODE
文件大小: 61.94KB 共3页
简 介:MMSZ5221B - MMSZ5259B
500mW SURFACE MOUNT ZENER DIODE Features
Planar Die Construction 500mW Power Dissipation General Purpose, Medium Current Ideally Suited for Automated Assembly Processes
H G D
SOD-123 Dim A
J
Min 3.55 2.55 1.40 — 0.25 — 0°
Max 3.85 2.85 1.70 1.35 — 0.10 8°
Mechanical Data
Case: SOD-123, Plastic UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: See Below Weight: 0.01grams (approx.) Ordering Information: See Page 2
B C D E G
A B
0.55 Typical 0.11 Typical
C
E
H J a
All Dimensions in mm
Maximum Ratings
Forward Voltage (Note 2) Power Dissipation
@ TA = 25°C unless otherwise specified Symbol @ IF = 10mA (Note 1) (Note 1) VF Pd RqJA Tj, TSTG Value 0.9 500 350 -65 to +150 Unit V mW °C/W °C
Characteristic
Thermal Resistance, Junction to Ambient Air Operating and Storage Temperature Range Notes:
1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2. 2. Short duration test pulse used to minimize self-heating effect.
Marking Information
XX = Product Type Marking Code (See Page 2) YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September)
XX
Date Code Key Year Code Month Code Jan 1 1998 J Feb 2 1999 K March 3
YM
2000 L Apr 4
2001 M May 5 Jun 6
2002 N Jul 7 Aug 8
2003 P Sep 9
2004 R Oct O Nov N
2005 S Dec D
DS18010 Rev. 7 - 2
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MMSZ5221B - MMSZ525……