U1ZB6.8 Datasheet, PDF (3/5 Pages) Toshiba Semiconductor – CONSTANT VOLTAGE REGULATION TRANSIENT SUPPRESSORS

U1ZB6.8~U1ZB390
TYPE
U1ZB270
ZENER CHARACTERISTICS
TEMPERATURE
ZENER
VOLTAGE
V_Z (V)
MIN TYP. MAX
ZENER
IMPEDANCE
rd (Ω)
MAX.
MEASURE-
MENT
CURRENT
I_Z (mA)
COEFFICIENT
OF ZENER
VOLTAGE
α_T (mV / °C)
TYP. MAX
243 270 297
243
385
FORWARD
VOLTAGE
V_F (V)
MAX
MEASURE−
MENT
CURRENT
I_F (A)
U1ZB270−X 250 260 270
U1ZB270−Y 260 270 280
5000
221
350
0.5
1.2
0.2
228
362
U1ZB270−Z 270 280 290
236
374
U1ZB300 270 300 330
270
428
U1ZB300−X 280 290 300
U1ZB300−Y 290 300 310
5000
244
388
0.5
1.2
0.2
253
402
U1ZB300−Z 300 310 320
261
415
U1ZB330 297 330 363
296
470
U1ZB330−X 310 320 330
U1ZB330−Y 320 330 340
5000
270
428
0.5
1.2
0.2
278
441
U1ZB330−Z 330 340 350
287
455
U1ZB390 351 390 429
10000
0.5
350
555
1.2
0.2
REVERSE
CURRENT
IR (µA)
MAX
MEASURE−
MENT
VOLTAGE
V_R (V)
216
234
10
243
252
240
261
10
270
279
264
288
10
297
306
10
312
3
2001-07-11