1N5227B

1N5227B Datasheet

1N5221 thru 1N5281B, e3 DO-35

Part	Datasheet
1N5227B	1N5227B (pdf)

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SCOTTSDALE DIVISION 1N5221 thru 1N5281B, e3 DO-35 500 mW GLASS AXIAL-LEAD ZENER DIODES .COM APPEARANCE The popular 1N5221 thru 1N5281B series of watt Zener Voltage Regulators provides a selection from to 200 volts in standard 5% or 10% tolerances as well as tighter tolerances identified by different suffix letters on the part number. These glass axial-leaded DO-35 Zeners are also available in various military screening levels by adding a prefix identifier as described in the Features section. Microsemi also offers numerous other Zener products to meet higher and lower power applications. IMPORTANT For the most current data, consult MICROSEMI’s website: DO-35 DO-204AH APPLICATIONS / BENEFITS • JEDEC registered 1N5221 to 1N5281B • Internal bonds optionally available with “-1” suffix • Options for screening in accordance with MIL-PRF19500 for JAN, JANTX, JANTXV, and JANS are available by adding MQ, MX, MV, or MSP prefixes respectively to part numbers with “-1” suffix. • Surface mount equivalents available as MLL5221 to MLL5281B in the DO-213AA MELF style package including “-1” suffix options consult factory for others • RoHS Compliant devices available by adding “e3” suffix • DO-7 glass body axial-leaded Zener equivalents are also available • Regulates voltage over a broad operating current and temperature range • Extensive selection from to 200 V • Standard voltage tolerances are plus/minus 5% with B suffix, 10 % with A suffix identification • Tight tolerances available in plus or minus 2% or 1% with C or D suffix respectively • Flexible axial-lead mounting terminals • Nonsensitive to ESD MIL-STD-750 Method 1020 • Minimal capacitance see Figure 2 • Inherently radiation hard per MicroNote 050 MAXIMUM RATINGS • Power dissipation at 25ºC watts also see derating in Figure • Operating and Storage temperature -65ºC to +175ºC • Thermal Resistance 250 ºC/W junction to lead at 3/8 10 mm lead length from body, or 310ºC/W junction to ambient when mounted on FR4 PC board 1 oz Cu with 4 mm2 copper pads and track width 1 mm, length 25 mm • Steady-State Power watts at TL < 50oC 3/8 inch 10 mm from body or W at TA < 25ºC when mounted on FR4 PC board as described for thermal resistance above also see Figure1 • Forward voltage mA volts maximum • Solder Temperatures 260 ºC for 10 s max MECHANICAL AND PACKAGING • CASE Hermetically sealed axial-lead glass DO35 DO-204AH package • FINISH Tin-Lead or RoHS Compliant annealed matte-Tin plating solderable per MIL-STD-750, method 2026 • POLARITY Cathode indicated by band. Diode to be operated with the banded end positive with respect to the opposite end for Zener regulation • MARKING Part number • TAPE & REEL option Standard per EIA-296 add “TR” suffix to part number • WEIGHT grams See package dimensions on last page ELECTRICAL CHARACTERISTICS 25°C JEDEC Type No. Note 1 Nominal Zener Voltage VZ IZT Volts Test Current IZT mA Max Zener Impedance A & B Suffix Only Note 2 ZZT IZK Ohms

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SCOTTSDALE DIVISION
1N5221 thru 1N5281B, e3 DO-35
500 mW GLASS AXIAL-LEAD ZENER DIODES
.COM

APPEARANCE

The popular 1N5221 thru 1N5281B series of watt Zener Voltage Regulators provides a selection from to 200 volts in standard 5% or 10% tolerances as well as tighter tolerances identified by different suffix letters on the part number. These glass axial-leaded DO-35 Zeners are also available in various military screening levels by adding a prefix identifier as described in the Features section. Microsemi also offers numerous other Zener products to meet higher and lower power applications.

IMPORTANT For the most current data, consult MICROSEMI’s website:

DO-35

DO-204AH

APPLICATIONS / BENEFITS
• JEDEC registered 1N5221 to 1N5281B
• Internal bonds optionally available with “-1” suffix
• Options for screening in accordance with MIL-PRF19500 for JAN, JANTX, JANTXV, and JANS are available by adding MQ, MX, MV, or MSP prefixes respectively to part numbers with “-1” suffix.
• Surface mount equivalents available as MLL5221 to MLL5281B in the DO-213AA MELF style package including “-1” suffix options consult factory for others
• RoHS Compliant devices available by adding “e3” suffix
• DO-7 glass body axial-leaded Zener equivalents are also available
• Regulates voltage over a broad operating current and temperature range
• Extensive selection from to 200 V
• Standard voltage tolerances are plus/minus 5%
with B suffix, 10 % with A suffix identification
• Tight tolerances available in plus or minus 2% or
1% with C or D suffix respectively
• Flexible axial-lead mounting terminals
• Nonsensitive to ESD MIL-STD-750 Method 1020
• Minimal capacitance see Figure 2
• Inherently radiation hard per MicroNote 050

MAXIMUM RATINGS
• Power dissipation at 25ºC watts also see derating in Figure
• Operating and Storage temperature -65ºC to +175ºC
• Thermal Resistance 250 ºC/W junction to lead at 3/8
10 mm lead length from body, or 310ºC/W junction to ambient when mounted on FR4 PC board 1 oz Cu with 4 mm2 copper pads and track width 1 mm, length 25 mm
• Steady-State Power watts at TL < 50oC 3/8 inch 10 mm from body or W at TA < 25ºC when mounted on FR4 PC board as described for thermal resistance above also see Figure1
• Forward voltage mA volts maximum
• Solder Temperatures 260 ºC for 10 s max

MECHANICAL AND PACKAGING
• CASE Hermetically sealed axial-lead glass DO35 DO-204AH package
• FINISH Tin-Lead or RoHS Compliant annealed matte-Tin plating solderable per MIL-STD-750, method 2026
• POLARITY Cathode indicated by band. Diode to be operated with the banded end positive with respect to the opposite end for Zener regulation
• MARKING Part number
• TAPE & REEL option Standard per EIA-296 add “TR” suffix to part number
• WEIGHT grams See package dimensions on last page

ELECTRICAL CHARACTERISTICS 25°C

JEDEC Type No.

Note 1

Nominal Zener Voltage

VZ IZT Volts

Test Current

IZT mA

Max Zener Impedance A & B Suffix Only Note 2

ZZT IZK Ohms

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Datasheet ID: 1N5227B 648562