Surface Mount Voltage Regulating Diode GOODWORK 1SMA4731A with Molded Plastic Case and UL 94V 0 Epoxy

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Product Description

Product Overview

The 1SMA4728A THRU 1SMA4777A series are surface mount power voltage-regulating diodes designed for high-temperature soldering applications. They offer fast response times, excellent clamping capability, and low leakage current. These diodes are ideal for voltage regulation and transient suppression in various electronic circuits.

Product Attributes

Application: Surface mount
Soldering: High temperature guaranteed: 260 C / 10 seconds at terminals
Response Time: Typically less than 1.0ps from 0 volt to BV min.
Leakage Current: Typical IR less than 1mA above 10V
Features: Built-in strain relief, excellent clamping capability, low profile package
Case: Molded plastic, Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-202, method 208 guaranteed
Polarity: Color band denotes cathode end except Bidirectional
Mounting Position: Any
Weight: 0.063 grams

Technical Specifications

Parameter	Symbol	1SMA4728A	1SMA4729A	1SMA4730A	1SMA4731A	1SMA4732A	1SMA4733A	1SMA4734A	1SMA4735A	1SMA4736A	1SMA4737A	1SMA4738A	1SMA4739A	1SMA4740A	1SMA4741A	1SMA4742A	1SMA4743A	1SMA4744A	1SMA4745A	1SMA4746A	1SMA4747A	1SMA4748A	1SMA4749A	1SMA4750A	1SMA4751A	1SMA4752A	1SMA4753A	1SMA4754A	1SMA4755A	1SMA4756A	1SMA4757A	1SMA4758A	1SMA4759A	1SMA4760A	1SMA4761A	1SMA4762A	1SMA4763A	1SMA4764A	1SMA4765A	1SMA4766A	1SMA4767A	1SMA4768A	1SMA4769A	1SMA4770A	1SMA4771A	1SMA4772A	1SMA4773A	1SMA4774A	1SMA4775A	1SMA4776A	1SMA4777A
Zener Voltage Range VZT (at IZT) (V)	VZ	4.84 - 5.36	5.32 - 5.92	5.86 - 6.51	6.46 - 7.18	7.12 - 7.88	7.79 - 8.67	8.60 - 9.59	9.50 - 10.5	10.4 - 11.6	11.4 - 12.6	12.4 - 14.1	13.8 - 15.8	15.2 - 17.1	16.8 - 19.2	19.0 - 21.2	20.8 - 23.3	22.8 - 26.0	25.3 - 28.9	28.2 - 31.3	31.3 - 34.9	34.2 - 37.9	37.2 - 41.5	40.0 - 45.0	45.0 - 50.0	50.0 - 55.0	55.0 - 60.0	60.0 - 65.0	65.0 - 70.0	70.0 - 75.0	75.0 - 80.0	80.0 - 85.0	85.0 - 90.0	90.0 - 95.0	95.0 - 100.0	100.0 - 110.0	110.0 - 120.0	120.0 - 135.0	135.0 - 150.0	150.0 - 165.0	165.0 - 180.0	180.0 - 190.0	190.0 - 205.0	205.0 - 220.0	220.0 - 240.0	240.0 - 260.0	260.0 - 280.0	280.0 - 300.0	300.0 - 330.0	330.0 - 360.0	360.0 - 390.0
Reverse Leakage Current IR at VR Max (A)	IR	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0
Maximum Zener Impedance ZZT (at IZT) ()	ZZT	186	170	154	140	127	116	104	95	86	79	71	63	58	52	47	43	38	35	32	28	26	24	23	21	20	18	17	15	14	13	12	11	10	9.5	8.5	7.5	7.0	6.5	6.0	5.5	5.0	4.5	4.0	3.7	3.4	3.1	2.8	2.5	2.3	2.0
Admissible Zener Current IZM (mA)	IZM	186	170	154	140	127	116	104	95	86	79	71	63	58	52	47	43	38	35	32	28	26	24	23	21	20	18	17	15	14	13	12	11	10	9.5	8.5	7.5	7.0	6.5	6.0	5.5	5.0	4.5	4.0	3.7	3.4	3.1	2.8	2.5	2.3	2.0
Maximum steady state power dissipation at TL = 75 C (mW)	Ptot	1000 (1)
Maximum steady state power dissipation at TA = 25 C (mW)	Ptot	500 (2)
Maximum instantaneous forward voltage at 200 mA (V)	VF	1.5
Operating junction and storage temperature range (C)	TJ, TSTG	-65 to +150
Typical thermal resistance, junction to lead (C/W)	JL	50 (1)
Typical thermal resistance, junction to ambient (C/W)	JA	250 (2)