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<strong>ITT</strong><br />

1N5226 THROUGH 1N5257<br />

ZEN ER DIODES<br />

- -----<br />

SEMICONDUCTORS<br />

500mW, 3.3 VOLTS TO 33 VOLTS<br />

SILICON GLASS ZENER DIODES<br />

FEATURES<br />

• Hermetically sealed<br />

• Rugged construction<br />

• Planar, nitride passivated<br />

• Low dynamic impedance<br />

• Weldable leads<br />

<strong>ITT</strong>'s glass zeners are inherently reliable and<br />

are ideally suited for use under stringent environmental<br />

conditions. The applications include:<br />

Computers, Instruments, Automotive, Industrial<br />

and Entertainment markets.<br />

ABSOLUTE MAXIMUM RATINGS<br />

Max power dissipation @Tl.=75°C .... 500mW<br />

Derating factor above 75°C ...... 4.0mW;oC<br />

Max forward voltage @ 200 ma .... 1.1 volts<br />

Operating and storage temperature<br />

range .................. -65°C to 200°C<br />

ELECTRICAL SPECIFICATIONS @ 25 C<br />

v made ohms p, v<br />

1N5226 3.3 20 28 25 0.95<br />

1N5227 3.6 20 24 15 0.95<br />

1N5228 3.9 20 23 10 0.95<br />

1N5229 4.3 20 22 5 0.95<br />

1N5230 4.7 20 19 5 1.9<br />

1 N5231 5.1 20 17 5 1.9<br />

1N5232 5.6 20 11 5 2.9<br />

1N5233 6.0 20 7 5 3.3<br />

1N5234 6.2 20 7 5 3.8<br />

1N5235 6.8 20 5 3 4.8<br />

1N5236 7.5 20 6 3 5.7<br />

1N5237 8.2 20 8 3 6.2<br />

1N5238 8.7 20 8 3 6.2<br />

1N5239 9.1 20 10 3 6.7<br />

1N5240 10 20 17 3 7.6<br />

13-8<br />

Maxi- Maximum<br />

mum<br />

Oy- Re- IR Test<br />

Regu- namic verse ~oltage<br />

lator Test Imped- Current (VR)<br />

Type Voltage Current ance (IR) (For A<br />

Number (Vz) (Iz.,,) (Z~T) 25°C Suffix)<br />

Maximum<br />

Maxi- Oy-<br />

IR Test mum namic Typical<br />

Voltage Regu- Knee Temper-<br />

(VR) lator Imped- ature<br />

(For B Current ance Coeffi-<br />

Suffix) (b,) Zzk cient<br />

v ma ohms %/oC<br />

1.0 138 1600 -.070<br />

1.0 126 1700 -.065<br />

1.0 115 1900 -.060<br />

1.0 106 2000 -.055<br />

2.0 97 1900 ±.030<br />

2.0 89 1600 ±.030<br />

3.0 81 1600 +.038<br />

3.5 76 1600 +.038<br />

4.0 73 1000 +.045<br />

5.0 67 750 +.050<br />

6.0 61 500 +.058<br />

6.5 55 500 +.062<br />

6.5 52 600 +.065<br />

7.0 50 600 +.068<br />

8.0 45 600 +.075

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