Name: SMDJ78C
Brand: Littelfuse Inc.
SKU: SMDJ78C
Availability: InStock
Rating: 5 (78 reviews)

SMDJ78C

Nur als Referenz

Teilenummer	SMDJ78C
Hersteller	Littelfuse Inc.
Beschreibung	TVS DIODE 78VWM 132.3VC SMD
Datenblatt	SMDJ78C Datenblatt
Paket	DO-214AB, SMC
ECAD
Auf Lager	6.552 piece(s)
Stückpreis	Request a Quote
Lieferzeit	Um bestätigt zu werden
Geschatte Leveringstijd	Nov 28 - Dez 3 (Kies voor snelle verzending)
Angebot anfordern

Zahlungsarten
Lieferservice

Wir bieten SMDJ78C zum günstigen Preis auf dem Weltmarkt, senden Sie uns eine Quote Anfrage Preis bitte. Danke!
Um Ihren RFQ verarbeiten, fügen Sie bitte SMDJ78C mit Menge in den BOM. Heisener.com erfordert keine Registrierung, um ein Angebot von SMDJ78C fordern.

SMDJ78C Spezifikationen

Hersteller	Littelfuse Inc.
Rubrik	Überspannung, Überstrom, Temperaturbausteine - TVS - Dioden
Paket	DO-214AB, SMC
ECAD
Serie	SMDJ
Art	Zener
Unidirektionale Kanäle	-
Bidirektionale Kanäle	1
Spannung - Reverse Standoff (Typ)	78V
Spannung - Ausfall (Min.)	82.13V
Spannung - Spannung (Max) @ Ipp	132.3V
Strom - Spitzenpuls (10 / 1000μs)	23.8A
Leistung - Spitzenpuls	3000W (3kW)
Stromleitungsschutz	No
Anwendungen	General Purpose
Kapazität @ Frequenz	-
Betriebstemperatur	-65°C ~ 150°C (TJ)
Befestigungsart	Surface Mount
Paket / Fall	DO-214AB, SMC
Lieferantengerätepaket	DO-214AB (SMCJ)

SMDJ78C Datenblatt

SMDJ78C Packaging

SMDJ78C FAQ

1. How to order SMDJ78C on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that SMDJ78C is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SMDJ78C. All suppliers must pass our qualification reviews before they can publish their products including SMDJ78C on Heisener; we pay more attention to the channels and quality of SMDJ78C products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SMDJ78C price and inventory displayed accurate?

The price and inventory of SMDJ78C fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of SMDJ78C?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SMDJ78C we delivered, we will accept the replacement or return of the SMDJ78C only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SMDJ78C.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as SMDJ78C pin diagram, SMDJ78C datasheet?

If you need any after-sales service, please do not hesitate to contact us.

SMDJ78C Verwandte Produkte

GRM0335C1E300GA01D	Murata, CAP CER 30PF 25V NP0 0201, 0201 (0603 Metric), SMDJ	Aussicht
C0603C102K4RACTU	KEMET, CAP CER 1000PF 16V X7R 0603, 0603 (1608 Metric), SMDJ	Aussicht
BZT52C12-HE3-08	Vishay Semiconductor Diodes Division, DIODE ZENER 12V 410MW SOD123, SOD-123, SMDJ	Aussicht
SN74ALS33AD	Texas Instruments, IC GATE NOR 4CH 2-INP 14-SOIC, 14-SOIC (0.154", 3.90mm Width), SMDJ	Aussicht
V660LS10PX2855	Littelfuse Inc., VARISTOR 1080V 2.5KA DISC 10MM, Disc 10mm, SMDJ	Aussicht
OL1815E-R52	Ohmite, RES 180 OHM 1/2W 5% AXIAL, Axial, SMDJ	Aussicht
ASPI-104S-181M-T	Abracon LLC, FIXED IND 180UH 700MA 663 MOHM, Nonstandard, SMDJ	Aussicht
0190540091	Molex, LLC, CONN RING CIRC 14-16AWG #6 CRIMP, -, SMDJ	Aussicht
BACC63BV24H30SN	Cinch Connectivity Solutions, CONN RCPT FMALE 30 POS GOLD CRMP, -, SMDJ	Aussicht
D38999/20ZG39PD	Amphenol Aerospace Operations, CONN RCPT MALE 39POS GOLD CRIMP, -, SMDJ	Aussicht
RSA44DTBD	Sullins Connector Solutions, CONN EDGE DUAL FMALE 88POS 0.125, -, SMDJ	Aussicht
530004-7	TE Connectivity AMP Connectors, TERM EDGE DUOTYNE 22-26AWG CRIMP, -, SMDJ	Aussicht

SMDJ78C Garantien

Servicegarantien

Wir garantieren 100% Kundenzufriedenheit.

Unser erfahrenes Verkaufsteam und unser technisches Support-Team unterstützen unsere Dienstleistungen, um alle unsere Kunden zufriedenzustellen.

Qualitätsgarantien

Wir bieten 90 Tage Garantie.

Wenn die Artikel, die Sie erhalten haben, nicht in perfekter Qualität sind, sind wir für Ihre Rückerstattung oder den Ersatz verantwortlich. Die Artikel müssen jedoch in ihrem ursprünglichen Zustand zurückgesandt werden.

Globale Lieferketten - Zuverlässige und autorisierte Distributorenressourcen

Teilenummer	Hersteller	Beschreibung	Lager
SMDJ78CA-T13 D# V36:1790_23709830	ProTek Devices	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMD T/R RoHS: Compliant	0
SMDJ78C-T500 D# V36:1790_23710553	ProTek Devices	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMD T/R RoHS: Compliant	0
SMDJ78CA-T7 D# V72:2272_06471161	Littelfuse Inc	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMC T/R	0
5.0SMDJ78CA-T7 D# E02:0323_06130673	Littelfuse Inc	TVS Diode Single Bi-Dir 78V 5KW 2-Pin DO-214AB T/R	0
SMDJ78CA-T500 D# V36:1790_23710554	ProTek Devices	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMD T/R RoHS: Compliant	0
5.0SMDJ78CA D# V72:2272_21735327	Bourns Inc	TVS Diode Single Bi-Dir 78V 5KW 2-Pin SMC T/R	0
5.0SMDJ78CA-H D# V72:2272_21735352	Bourns Inc	TVS Diode Single Bi-Dir 78V 5KW 2-Pin SMC T/R	0
SMDJ78C-T13 D# V36:1790_23709828	ProTek Devices	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMD T/R RoHS: Compliant	0
5.0SMDJ78CA-Q D# V72:2272_23727125	Bourns Inc	TVS Diode Single Bi-Dir 78V 5KW Automotive 2-Pin SMC T/R	0
SMDJ78CA D# V72:2272_06471160	Littelfuse Inc	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMC T/R	0
5-0SMDJ78CA D# V72:2272_25514772	Eaton Corporation	TVS Diode Single Bi-Dir 78V 5KW 2-Pin SMC T/R RoHS: Compliant	0

Teilenummer	Hersteller	Beschreibung	Lager
SMDJ78CA-AT/TR13 D# SMDJ78CA-AT/TR13	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 3kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: SMDJ78CA-AT/TR13)	0
5-0SMDJ78CA D# 5-0SMDJ78CA	Eaton Corporation	- Tape and Reel (Alt: 5-0SMDJ78CA)	0
5.0SMDJ78CA-AT/TR7 D# 5.0SMDJ78CA-AT/7	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA-AT/7)	0
SMDJ78CA/TR7 D# SMDJ78CA/TR7	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 3kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: SMDJ78CA/TR7)	0
5.0SMDJ78CA/TR13 D# 5.0SMDJ78CA/TR13	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA/TR13)	0
SMDJ78CA-AT/TR7 D# SMDJ78CA-AT/TR7	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 3kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: SMDJ78CA-AT/TR7)	0
5.0SMDJ78CA-QH D# 5.0SMDJ78CA-QH	Bourns Inc	TVS Diode Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA-QH)	0
SMDJ78CA/TR13 D# SMDJ78CA/TR13	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 3kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: SMDJ78CA/TR13)	0
5.0SMDJ78CA-AT/TR13 D# 5.0SMDJ78CA-AT/13	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA-AT/13)	0
5.0SMDJ78CA D# 5.0SMDJ78CA	Bourns Inc	Diode TVS Single Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA) RoHS: Compliant	0
5.0SMDJ78CA-Q D# 5.0SMDJ78CA-Q	Bourns Inc	TVS Diode Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA-Q)	0
5.0SMDJ78CA/TR7 D# 5.0SMDJ78CA/TR7	YAGEO Corporation	Transient Voltage Suppressor Bi-Directional 78V 5kW 2-Pin DO-214AB T/R - Tape and Reel (Alt: 5.0SMDJ78CA/TR7)	0

Teilenummer

Hersteller

Beschreibung

Lager

5.0SMDJ78CA-Q

D# 5.0SMDJ78CA-Q

Bourns Inc

TVS Diode Bi-Directional 78V 5kW 2-Pin DO-214AB T/R (Alt: 5.0SMDJ78CA-Q)

RoHS: Compliant

5.0SMDJ78CA

D# 5.0SMDJ78CA

Bourns Inc

Diode TVS Single Bi-Directional 78V 5kW 2-Pin DO-214AB T/R (Alt: 5.0SMDJ78CA)

RoHS: Compliant

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA

Littelfuse Inc

562

Teilenummer	Hersteller	Beschreibung	Lager
SMDJ78C	Littelfuse Inc	Min Qty 4	562
5.0SMDJ78CA	Littelfuse Inc	TVS Diodes - Transient Voltage Suppressors 78V 5KW 5% BI DO-214AB	0
SMDJ78CA-T7	Littelfuse Inc	Diode TVS Single Bi-Dir 78V 3KW 2-Pin DO-214AB T/R	28000
5.0SMDJ78CA-T7	Littelfuse Inc	TVS Diodes - Transient Voltage Suppressors 78V 5KW 5% BI DO-214AB	0
SMDJ78CA	Littelfuse Inc	Min Qty 4	562

Teilenummer	Hersteller	Beschreibung	Lager
5.0SMDJ78CA	BrightKing Inc	Bidirectional 78V 86.7V 126V 39.7A SMC(DO-214AB) TVS RoHS	6
SMDJ78CA-AT	BrightKing Inc	Bidirectional 78V 86.7V 126V 23.8A SMC(DO-214AB) TVS RoHS	26
SMDJ78CA	Shandong Jingdao Microelectronics Co Ltd	Bidirectional SMC TVS RoHS	2476

Teilenummer	Hersteller	Beschreibung	Lager
5.0SMDJ78CA-Q D# 118-5.0SMDJ78CA-QCT-ND	Bourns Inc	TVS DIODE	2968
5.0SMDJ78CA D# 5.0SMDJ78CACT-ND	Bourns Inc	DIO TVS VWM 78V 5KW BIDIR SMC	12123
SMDJ78CA D# SMDJ78CACT-ND	Littelfuse Inc	TVS DIODE 78V 126V DO214AB	2063
SMDJ78CA-T7 D# SMDJ78CA-T7-ND	Littelfuse Inc	TVS DIODE 78V 126V DO214AB	0
8.0SMDJ78CA-T7 D# 8.0SMDJ78CA-T7TR-ND	Littelfuse Inc	TVS DIODE 8KW 78V 5%BI DO-214AB	0
5.0SMDJ78CA-T7 D# 18-5.0SMDJ78CA-T7CT-ND	Littelfuse Inc	TVS DIODE 78V 126V DO214AB	490
5.0SMDJ78CA-H D# 5.0SMDJ78CA-HTR-ND	Bourns Inc	DIO TVS VWM 78V 5KW BIDIR SMC	0

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA

LITTELFUSE

In stock shipping within 2days

55525

Teilenummer	Hersteller	Beschreibung	Lager
SMDJ78CA-T13	ProTek Devices	RoHS: Compliant pbFree: Yes	0
SMDJ78CA	Littelfuse Inc	SMDJ Series 86.7 V 3000 W Surface Mount Bi-Directional TVS Diode - DO-214AB RoHS: Compliant pbFree: Yes	0
SMDJ78C-T500	ProTek Devices	RoHS: Compliant pbFree: Yes	0
SMDJ78CA-T500	ProTek Devices	RoHS: Compliant pbFree: Yes	0
5.0SMDJ78CA-T7	Littelfuse Inc	TVS 5KW 78V 5% BI DO-214AB TR07 RoHS RoHS: Compliant pbFree: Yes	500
SMDJ78C-T13	ProTek Devices	RoHS: Compliant pbFree: Yes	0
5.0SMDJ78CA	Littelfuse Inc	5.0SMDJ Series 6.5 W 95.8 V Bi-Directional Surface Mount TVS Diode - SMC RoHS: Compliant pbFree: Yes	0

Teilenummer	Hersteller	Beschreibung	Lager
5.0SMDJ78CA D# C522713	BrightKing Inc		6
SMDJ78CA D# C310158	BrightKing Inc		1003
SMDJ78CA-AT D# C523521	BrightKing Inc		26

Teilenummer

Hersteller

Beschreibung

Lager

5.0SMDJ78CA

Bourns Inc

RoHS: Not Compliant

5.0SMDJ78CA-Q

Bourns Inc

RoHS: Not Compliant

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA-HRA

Littelfuse Inc

OEM/CM Immediate delivery

99200

SMDJ78CA

Littelfuse Inc

OEM/CM Immediate delivery

879448

Teilenummer	Hersteller	Beschreibung	Lager
8.0SMDJ85A D# 576-8.0SMDJ85A	Littelfuse Inc	ESD Suppressors / TVS Diodes TVS 8KW 85V 5%UNI RoHS: Compliant	2949
SMDJ78CA-T7 D# 576-SMDJ78CA-T7	Littelfuse Inc	ESD Suppressors / TVS Diodes 3kW 78V 5% Bi-Directional RoHS: Compliant	190
5.0SMDJ78CA-T7 D# 576-5.0SMDJ78CA-T7	Littelfuse Inc	ESD Suppressors / TVS Diodes 5kW 78V 5% Bi-Directional RoHS: Compliant	500
5.0SMDJ78CA-QH D# 652-5.0SMDJ78CA-QH	Bourns Inc	ESD Suppressors / TVS Diodes TVS 5KW BI RoHS: Compliant	280
5.0SMDJ78CA D# 576-5.0SMDJ78CA	Littelfuse Inc	ESD Suppressors / TVS Diodes 5kW 78V 5% Bi-Directional RoHS: Compliant	1214
8.0SMDJ78CA D# 576-8.0SMDJ78CA	Littelfuse Inc	ESD Suppressors / TVS Diodes TVS 8KW 78V 5%BI RoHS: Compliant	2823
SMDJ78CA D# 576-SMDJ78CA	Littelfuse Inc	ESD Suppressors / TVS Diodes 3kW 78V 5% Bi-Directional RoHS: Compliant	4109

Teilenummer

Hersteller

Beschreibung

Lager

5.0SMDJ78CA-T7

D# XSFP00000203535

Littelfuse Inc

1000

Teilenummer	Hersteller	Beschreibung	Lager
SMDJ78CA D# 32M3725	Littelfuse Inc	TVS 3KW 78V 5%BI DO-214AB TR13 RoHS / TR RoHS Compliant: Yes RoHS: Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
SMDJ78CA-T7 D# 90T9177	Littelfuse Inc	TVS 3KW 78V 5%BI DO-214AB TR07 RoHS / TR RoHS: Not Compliant Min Qty: 500 Container: TAPE & REEL - FULL	0
8.0SMDJ78CA-T7 D# 40AH0307	Littelfuse Inc	TVS 8KW 78V 5%BI DO-214AB TR7 ROHS / TR RoHS: Not Compliant Min Qty: 500 Container: TAPE & REEL - FULL	0
8.0SMDJ85A D# 40AH0308	Littelfuse Inc	TVS 8KW 85V 5%UNI DO-214AB TR13 ROHS / TR RoHS: Not Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
5.0SMDJ78CA-T7 D# 91T4235	Littelfuse Inc	TVS 5KW 78V 5% BI DO-214AB TR07 RoHS / TR RoHS: Not Compliant Min Qty: 500 Container: TAPE & REEL - FULL	0
5.0SMDJ78CA D# 65W3256	Littelfuse Inc	TVS 5KW 78V 5%BI DO-214AB TR13 RoHS / TR RoHS: Not Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
8.0SMDJ78CA D# 40AH0306	Littelfuse Inc	TVS 8KW 78V 5%BI DO-214AB TR13 ROHS / TR RoHS: Not Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
SMDJ78C D# 32M3724	Littelfuse Inc	TVS 3KW 78V 10%BI DO-214AB TR13 RoHS / TR RoHS: Not Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
5.0SMDJ78CA-Q D# 33AH9686	Bourns Inc	DIO TVS VWM 78V 5KW BIDIR SMC AEC-Q RoHS: Not Compliant Min Qty: 6000 Container: Bulk	0

Teilenummer	Hersteller	Beschreibung	Lager
5.0SMDJ78CA D# NS-5.0SMDJ78CA	Littelfuse Inc	OEM/CM ONLY	8917
SMDJ78CA-T7 D# NS-SMDJ78CA-T7	Littelfuse Inc	OEM/CM ONLY	4458
SMDJ78CA D# NS-SMDJ78CA	Littelfuse Inc	OEM/CM ONLY	3975
5.0SMDJ78CA-T7 D# NS-5.0SMDJ78CA-T7	Littelfuse Inc	OEM/CM ONLY	8731

Teilenummer

Hersteller

Beschreibung

Lager

5.0SMDJ78CA-Q

Bourns Inc

RoHS: Not Compliant

5.0SMDJ78CA

Bourns Inc

RoHS: Not Compliant

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA

Littelfuse Inc

449

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA

Littelfuse Inc

OEM/CM ONLY

7159

5.0SMDJ78CA

Bourns Inc

OEM/CM ONLY

446

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA-HRA

Littelfuse Inc

IN stock Immediate delivery

99185

SMDJ78CA

Littelfuse Inc

IN stock Immediate delivery

879433

Teilenummer	Hersteller	Beschreibung	Lager
5.0SMDJ78CA	Littelfuse Inc	ESD Suppressors / TVS Diodes 5kW 78V 5% Bi-Directional	0
SMDJ78CA	Littelfuse Inc	ESD Suppressors / TVS Diodes 3kW 78V 5% Bi-Directional	0
8.0SMDJ85A	Littelfuse Inc	ESD Suppressors / TVS Diodes TVS 8KW 85V 5%UNI pbFree: Pb-Free	0
5.0SMDJ78CA-Q	Bourns Inc	ESD Suppressors / TVS Diodes TVS 5KW BI pbFree: Pb-Free	0
8.0SMDJ78CA-T7	Littelfuse Inc	ESD Suppressors / TVS Diodes TVS 8KW 78V 5%BI pbFree: Pb-Free	0
5.0SMDJ78CA-QH	Bourns Inc	ESD Suppressors / TVS Diodes TVS 5KW BI pbFree: Pb-Free	0
5.0SMDJ78CA-H	Bourns Inc	ESD Suppressors / TVS Diodes 78V 5kW BIDIR SMC pbFree: Pb-Free	0
8.0SMDJ78CA	Littelfuse Inc	ESD Suppressors / TVS Diodes TVS 8KW 78V 5%BI pbFree: Pb-Free	0

Teilenummer

Hersteller

Beschreibung

Lager

SMDJ78CA-HRA

Littelfuse Inc

shipping today

99199

SMDJ78CA

Littelfuse Inc

shipping today

149999

Teilenummer	Hersteller	Beschreibung	Lager
5.0SMDJ78CA-T7 D# 44704873	Littelfuse Inc	TVS Diode Single Bi-Dir 78V 5KW 2-Pin DO-214AB T/R	0
5.0SMDJ78CA D# 29057073	Bourns Inc	TVS Diode Single Bi-Dir 78V 5KW 2-Pin SMC T/R	0
5.0SMDJ78CA-H D# 29057044	Bourns Inc	TVS Diode Single Bi-Dir 78V 5KW 2-Pin SMC T/R	0
SMDJ78CA D# 31079552	Littelfuse Inc	TVS Diode Single Bi-Dir 78V 3KW 2-Pin SMC T/R	0

Quick Inquiry

SMDJ78C

Zertifizierte Qualität

Das Qualitätsversprechen von Heisener hat unsere Prozesse für Beschaffung, Prüfung, Versand und jeden Schritt dazwischen geprägt. Diese Grundlage liegt jeder Komponente zugrunde, die wir verkaufen.

ISO9001:2015, ICAS, IAF, UKAS